USGS
USGS Western Ecological Research Center

John Takekawa with captured scoter.

John Y Takekawa

Research Wildlife Biologist

USGS

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Phone: (707) 562-2000
Fax: (707) 562-3001
Email: john_takekawa@usgs.gov

John Takekawa established the USGS San Francisco Bay Estuary Field Station in 1995 under the Western Ecological Research Center, co-located with the San Pablo Bay National Wildlife Refuge. His research focuses on the wintering and migratory ecology of waterbirds through radio telemetry, and ecological processes in San Francisco Bay. His studies have focused on projects in the San Francisco Bay estuary, California wetlands, and Pacific Rim countries including Russia, Japan, and Mexico.
 

SCIENTIFIC EXPERTISE
  • Avian Ecology
  • Biodiversity
  • Bioenergetics
  • Bird capture and handling
  • Ecological implications of contaminants
  • Migratory bird biology
  • Ornithology
  • Restoration ecology
  • Species/Population management
  • Telemetry (radio and/or satellite)
  • Waterfowl Ecology
EDUCATION
  • Ph.D. 1987, Animal Ecology, Iowa State University, Ames, IA
  • M.S. 1982, Wildlife Resources, University of Idaho, Moscow, ID
  • B.S. 1979, Forestry/Wildlife Science, University of Washington, Seattle, WA
PROFESSIONAL SOCIETIES
  • British Ornithological Union
  • National Estuaries Federation
  • The Wildlife Society (national, Western Section, and San Francisco Bay Chapter)
SCIENCE ADVISORY COMMITTEES
  • San Francisco Bay Ecosystem Wetlands Goals Project
  • Bay Conservation Development Commission Subtidal Habitats Committee
  • NOAA SFO Airport Runways Panel
  • Wetlands Regional Monitoring Program
PROFESSIONAL EXPERIENCE
  • Research Wildlife Biologist / Station Chief, USGS, Western Ecological Research Center, S.F. Bay Estuary Field Station, Vallejo, CA, Oct 1997-present
  • Research Wildlife Biologist / Station Chief, National Biological Service, Calif. Sci. Center, S.F. Bay Estuary Field Sta., Vallejo, CA, Aug 1995-Sep 1997
  • Wildlife Biologist (Research), National Biological Service, California Pacific Science Center, Dixon, CA, Jan 1995-Aug 1995
  • Wildlife Biologist (Research), National Biological Survey, California Pacific Science Center, Dixon, CA, Oct 1993-Dec 1994
  • Wildlife Biologist (Research), USFWS, Northern Prairie Wildlife Research Center, Dixon, CA, Oct 1986-Oct 1993
PRODUCTS

Takekawa, J. Y., R. I. Leyva, and E. E. Klaas. In press. Comparing radio and satellite telemetry to assess movements and habitat use of Arctic nesting geese in northern Mexico. Proc. Of the 2nd International Congr. On Limnology and Aquatic Birds. Universidad Autonoma de Yucatan, Merida, Mexico. [Proceedings]

Takekawa, J. Y., and N. Warnock. In press. Long-billed Dowitcher, Limnodromous scolopaceus. In, A. Poole and F. Gill (eds.), Birds of North America. The Birds of North America, Inc., Philadelphia. PA. [Book Chapter]

Ackerman, JT, JY Takekawa, CA Eagles-Smith, and SA Iverson. 2008. Mercury contamination and effects on survival of American avocet and black-necked stilt chicks in San Francisco Bay. Ecotoxicology 17:103-116. [Journal Article]

Casazza,M.L., C.T. Overton, J.Y. Takekawa, T. Rohmer, and K. Navarre. 2008. Breeding behavior and dispersal of radio-marked California Clapper Rails. Western Birds. 39:101-106. [Journal Article]

Ackerman, JT, CA Eagles-Smith, JY Takekawa, JD Bluso, and TL Adelsbach. 2008. Mercury concentrations in blood and feathers of pre-breeding Forster’s terns in relation to space use of San Francisco Bay habitats. Environmental Toxicology and Chemistry 27:897-908. [Journal Article]

Ackerman, JT, JY Takekawa, JD Bluso, JL Yee, and CA Eagles-Smith. 2008. Gender identification of Caspian terns using external morphology and discriminant function analysis. Wilson Journal of Field Ornithology 120:378-383. [Journal Article]

Tsao Melcer, A.K. Miles, J.Y. Takekawa, and I.Woo. In press. Potential effects of mercury on threatened California black rails. Archives of Environmental Contamination and Toxicology. [Journal Article]

Woo, I., J. Y. Takekawa and R. Gardiner. 2008. Guadalcanal Tidal Marsh Restoration: 2007 Annual Report. Data Summary Report, U. S. Geological Survey, Western Ecological Research Center, San Francisco Bay Estuary Field Station, Vallejo, CA. 62 pp. [Technical Report]

Woo, I., J. Y. Takekawa, A. Rowan, L. Dembosz, and R. Gardiner. 2008. The Benicia- Martinez (BenMar) Restoration Project: 2007 Annual Report, U. S. Geological Survey, Western Ecological Research Center, San Francisco Bay Estuary Field Station, Vallejo, CA. 44pp. [Technical Report]

Mason, JW, GJ McChesney, WR McIver, HR Carter, JY Takekawa, RT Golightly, JT Ackerman, DL Orthmeyer, WM Perry, JL Yee, MO Pierson, and MD McCrary. 2007. At-sea distribution and abundance of seabirds off southern California: a 20-year comparison. Studies in Avian Biology 33: 1-101. [Journal Article]

Ackerman, JT, CA Eagles-Smith, GH Heinz, SE Wainwright-De La Cruz, JY Takekawa, TL Adelsbach, AK Miles, DJ Hoffman, SE Schwarzbach, TH Suchanek, and TC Maurer. 2007. Mercury in birds of the San Francisco Bay-Delta: trophic pathways, bioaccumulation, and ecotoxicological risk to avian reproduction. 2006 Annual Administrative Report, U. S. Geological Survey, Western Ecological Research Center, Davis, CA, and U. S. Fish and Wildlife Service, Environmental Contaminants Division, Sacramento, CA, 44 pp. [Technical Report]

Woo, I., J. Y. Takekawa, and D. Tsao-Melcer. 2007. Methylmercury concentrations of invertebrates in tidal marshes and food web relations to the California Black Rail. Oral presentation. Society of Wetland Scientists, June 2007. Sacramento, CA [Presentation]

Ackerman, JT, CA Eagles-Smith, JY Takekawa, SA Demers, TL Adelsbach, JD Bluso, AK Miles, N Warnock, TH Suchanek, and SE Schwarzbach. 2007. Mercury concentrations and space use of pre-breeding American avocets and black-necked stilts in San Francisco Bay. Science of the Total Environment 384: 452-466. [Journal Article]

Woo, I., J. Y. Takekawa, A. Rowan, R. Gardiner, R. Melcer, and L. Parsons. 2007. Baseline avian surveys at the Giacomini Restoration Project and local reference marshes in the Golden Gate National Recreation Area. Data Summary Report. U. S. Geological Survey, Western Ecological Research Center, San Francisco Bay Estuary Field Station, Vallejo, CA. 66pp [Technical Report]

Ackerman J., J.Y. Takekawa, C. Eagles-Smith, C. Marn, and T. Adelsbach. 2006. Survival of American avocet and black-necked stilt chicks in relation to mercury contamination in San Francisco Bay. Eighth International Conference on Mercury as a Global Pollutant, Madison, Wisconsin, August 6-11. [Abstract]

Wainwright-De La Cruz, SE, CA Eagles-Smith, TL Adelsbach, JT Ackerman, GH Heinz, SE Schwarzbach, TH Suchanek, JY Takekawa, AK Miles, DJ Hoffman, and TC Maurer. 2006. Mercury in birds of the San Francisco Bay-Delta: trophic pathways, bioaccumulation and ecotoxicological risk to avian reproduction. San Francisco Estuary Institute Third Annual San Francisco Bay Mercury Coordination Meeting, Oakland, California, February 22. (talk) [Presentation]

Melcer-Tsao, D., J.Y. Takekawa, A.K. Miles, and I. Woo. 2006. Home range, habitat use, and mercury concentrations of California Black Rails (Laterallus jamaicensis coturniculus) along the Petaluma River, California. The Wildlife Society Western Section Conference, Sacramento, California, February 9. [Poster with Abstract]

Eagles-Smith, C., J. Ackerman, S. Wainwright-De La Cruz, T. Adelsbach, J.Y. Takekawa, and A.K. Miles. 2006. Mercury concentrations vary among waterbird foraging guilds and locations in San Francisco Bay. Eighth International Conference on Mercury as a Global Pollutant, Madison, Wisconsin, August 6-11. [Abstract]

Ackerman, J., J. Y. Takekawa, D. L. Orthmeyer, J. P. Fleskes, J. L Yee, and K. L. Kruse. 2006. Spatial use by wintering greater white-fronted geese relative to a decade of habitat change in California's Central Valley. Journal of Wildlife Management 70(4):965-976. [Journal Article]

Haukos, D.A., M.R. Miller, D.L. Orthmeyer, J.Y. Takekawa, J.P. Fleskes, M.L. Casazza, W.M. Perry, and J.A. Moon. 2006. Spring Migration of Northern Pintails from Texas and New Mexico, USA. Waterbirds 29:127-136. [Journal Article]

Ackerman, JT, CA Eagles-Smith, JY Takekawa, and AK Miles. 2006. Mercury in birds of the San Francisco Bay-Delta: trophic pathways, bioaccumulation and ecotoxicological risk to avian reproduction. Don Edwards San Francisco Bay National Wildlife Refuge, Newark, California, January 23. (talk) [Presentation with Abstract]

Demers, SA, M Colwell, JY Takekawa, and JT Ackerman. 2006. Space use and habitat selection of American avocets (Recurvirostra americana) in the South San Francisco Bay, California. The Wildlife Society, Western Section, Sacramento, California, February 8-10. (poster) [Poster]

Bluso, JB, M Colwell, JY Takekawa, and JT Ackerman. 2006. Space Use of Foraging Forster's terns (Sterna forsteri) in South San Francisco Bay, California. The Wildlife Society, Western Section, Sacramento, California, February 8-10. (talk) [Presentation]

Schwarzbach, SE, JT Ackerman, CA Eagles-Smith, JY Takekawa, AK Miles, SE Wainwright-De La Cruz, TL Adelsbach, and TH Suchanek. 2006. Mercury legacy to aquatic birds in the San Francisco Estuary: declines from 19th century levels remain insufficient to eliminate mercury risks to some bird species. Eighth International Conference on Mercury as a Global Pollutant, Madison, Wisconsin, August 6-11. (talk) [Presentation with Abstract]

Ackerman, J. T., J. Y. Takekawa, C. Strong, N. Athearn, and A. Rex. 2006. California Gull distribution, abundance, and predation on waterbird eggs and chicks in South San Francisco Bay. Final Report, U. S. Geological Survey, Western Ecological Research Center, Davis and Vallejo, CA 61 pp. [Technical Report]

Demers, SA, M Colwell, JY Takekawa, and JT Ackerman. 2006. Space use and habitat selection of American avocets (Recurvirostra americana) in the South San Francisco Bay, California. Shorebird Science in the Western Hemisphere, Boulder, Colorado, February 22-March 2. (poster) [Poster]

Eagles-Smith, CA, JT Ackerman, TL Adelsbach, JY Takekawa, and CM Marn. 2006. Mercury concentrations in chicks versus adult avocet and stilts: spatially explicit bioaccumulation inferred via radio telemetry. Eighth International Conference on Mercury as a Global Pollutant, Madison, Wisconsin, August 6-11. [Poster with Abstract]

TAKEKAWA, J. Y., B. N. SACKS, I. WOO, M. L. JOHNSON, AND G. D. WYLIE. 2006. TIDAL SALTMARSH FRAGMENTATION AND PERSISTENCE OF SAN PABLO SONG SPARROWS (MELOSPIZA MELODIA SAMUELIS): ASSESSING BENEFITS OF WETLAND RESTORATION IN SAN FRANCISCO BAY. Studies in Avian Biology 32:238–246 [Journal Article]

Bluso, JD, JT Ackerman, JY Takekawa, and JL Yee. 2006. Using morphological measurements to sex Forster’s terns. Waterbirds, 29(4): 511-516. [Journal Article]

Takekawa, J. Y., I. Woo, H. Spautz, N. Nur, J. L. Grenier, K. Malamud-Roam, J. C. Nordby, A. N. Cohen, F. Malamud-Roam, and S. E. Wainwright-De La Cruz. 2006. Environmental threats to tidal marsh vertebrates in the San Francisco Bay estuary. Studies in Avian Biology 32:176-197. [Journal Article]

Eagles-Smith, CA, JT Ackerman, S Wainwright-De La Cruz, TL Adelsbach, JY Takekawa, and AK Miles. 2006. Mercury concentrations differ among five species of waterbirds in San Francisco Bay. Fish and Wildlife Service Environmental Contaminants Program National Meeting, Colorado Springs, Colorado, July 31-August 4. [Poster]

Takekawa, JY, JT Ackerman, CA Eagles-Smith, S Wainwright-De La Cruz, TL Adelsbach, AK Miles, G Heinz, D Hoffman, S Schwarzbach, T Suchanek, T Maurer, C Strong, and N Warnock. 2006. Mercury in birds of the San Francisco Bay-Delta: trophic pathways, bioaccumulation and ecotoxicological risk to avian reproduction. South Bay Science Symposium, San Jose State University, California, June 6. [Presentation]

Bluso, JD, MA Colwell, JY Takekawa, and JT Ackerman. 2006. Space use of foraging Forster's terns in South San Francisco Bay, California. South Bay Science Symposium, San Jose State University, California, June 6. [Poster]

Ackerman, JT, JY Takekawa, S Wainwright-De La Cruz, AK Miles, JR Lovvorn, JL Yee, and D Tsao-Melcer. 2006. Diet of San Francisco Bay diving ducks after invasion by the Asian clam. Fourth North American Dusk Symposium, Bismarck, North Dakota, August 23-26. [Poster with Abstract]

Demers, SA, M Colwell, JY Takekawa, and JT Ackerman. 2006. Space use and habitat selection of American avocets (Recurvirostra americana) in the South San Francisco Bay, California. South Bay Science Symposium, San Jose State University, California, June 6. [Poster]

Eagles-Smith, CA, JT Ackerman, S Wainwright-De La Cruz, TL Adelsbach, JY Takekawa, and AK Miles. 2006. Mercury concentrations differ among five species of waterbirds in San Francisco Bay. South Bay Science Symposium, San Jose State University, California, June 6. [Poster]

Eagles-Smith, CA, JT Ackerman, S De la Cruz, TL Adelsbach, JY Takekawa, AK Miles, and R Keister. 2005. Mercury concentrations vary among waterbird foraging guilds and locations in San Francisco Bay. CALFED review panel and California Bay-Delta Authority, Sacramento, California, November 29-December 1 [Poster]

Demers, SA, M Colwell, JY Takekawa, and JT Ackerman. 2005. Space use of breeding female American avocets in the San Francisco Bay Estuary. The 7th Biennial State of the Estuary Conference, Oakland, California, October 4-6. [Poster with Abstract]

Ackerman, JT, CM Marn, and JY Takekawa. 2005. Life and death on a salt pond: avocets and stilts survive amidst mercury pollution and invasive gulls. Tideline, Winter 2005, Vol. 25, No. 4: 1-3. [Popular Publication]

Schwarzbach, SE, TH Suchanek, GH Heinz, JT Ackerman, CA Eagles-Smith, TL Adelsbach, JY Takekawa, AK Miles, DJ Hoffman, SE Wainwright-De La Cruz, SE Spring, MA Ricca, and TC Maurer. 2005. Mercury in birds of the San Francisco Bay-Delta: trophic pathways, bioaccumulation and ecotoxicological risk to avian reproduction. CALFED review panel and California Bay-Delta Authority, Sacramento, California, November 29-December 1. [Presentation]

Bluso, JB, M Colwell, JY Takekawa, and JT Ackerman. 2005. Space use of foraging Forster's terns (Sterna forsteri) in South San Francisco Bay, California. The 7th Biennial State of the Estuary Conference, Oakland, California, October 4-6. [Poster with Abstract]

Bluso, JB, M Colwell, JY Takekawa, and JT Ackerman. 2005. Foraging areas of Forster's terns at three colony sites in San Francisco Bay. CALFED review panel and California Bay-Delta Authority, Sacramento, California, November 29-December 1. [Poster]

Demers, SA, M Colwell, JY Takekawa, and JT Ackerman. 2005. Foraging patterns of American avocets in San Francisco Bay. CALFED review panel and California Bay-Delta Authority, Sacramento, California, November 29-December 1. [Poster]

Ackerman, JT, and JY Takekawa. 2005. Impacts of gulls: predation on shorebird and tern nests and chicks. South Bay Salt Pond Restoration Project, Bird Workshop 3: Invasive and Nuisance Species, Don Edwards San Francisco Bay National Wildlife Refuge, California, November 18. [Presentation]

Ackerman, JT, JY Takekawa, JP Fleskes, and DL Orthmeyer. 2005. White-fronted geese respond well to Joint Venture's habitat improvements. Valley Ventures, Spring 2005: 10-13. [Popular Publication]

Miller, M. R., J. Y. Takekawa, J. P. Fleskes, D. L. Orthmeyer, M. L. Casazza, D. A. Haukos, and W. M. Perry. 2005. Flight speeds of northern pintails during migration determined by satellite telemetry. Wilson Bulletin 117(4): 364-374. [Journal Article]

Ackerman, JT, JY Takekawa, DL Orthmeyer, JP Fleskes, JL Yee, and KL Kruse. 2005. Response of greater white-fronted geese to the Central Valley Joint Venture: changes in wintering ecology over a decade. 11th North American Arctic Goose Conference and Workshop, Reno, Nevada, January 5–8. [Poster]

Schwarzbach, SE, TH Suchanek, GH Heinz, JT Ackerman, CA Eagles-Smith, TL Adelsbach, JY Takekawa, AK Miles, DJ Hoffman, SE Wainwright-De La Cruz, SE Spring, MA Ricca, and TC Maurer. 2005. Mercury in birds of the San Francisco Bay-Delta: trophic pathways, bioaccumulation and ecotoxicological risk to avian reproduction. 2005 Annual Report, U. S. Geological Survey, Western Ecological Research Center, and U. S. Fish and Wildlife Service, Sacramento Fish and Wildlife Office, 17pp. [Technical Report]

Ackerman, JT, JY Takekawa, and C Marn. 2005. Survival of American avocet and black-necked stilt chicks in the South San Francisco Bay: variable risks of gull predation. The 7th Biennial State of the Estuary Conference, Oakland, California, October 4-6. [Poster with Abstract]

Miller, M. R., J. Y. Takekawa, J. P. Fleskes, D. L. Orthmeyer, M. L. Casazza, and W. M. Perry. 2005. Spring migration of northern pintails from California's Central Valley wintering area tracked by satellite telemetry: routes, timing, and destinations. Canadian Journal of Zoology 83(10): 1314-1332. [Journal Article]

Takekawa, J.Y., A.K. Miles, N.D. Athearn, S.E. Spring, M.K. Saiki, F. Mejia, I. Woo, and K.S. Goodenough. 2005. Habitat Restoration Monitoring for the Napa-Sonoma Marsh Restoration Project, 2005. Unpubl. Prog. Rep.,U.S. Geological Survey, Vallejo, CA. 78pp. [Technical Report]

Eagles-Smith, CA, TL Adelsbach, JT Ackerman, SE Schwarzbach, TH Suchanek, GH Heinz, JY Takekawa, AK Miles, SE Wainwright-De La Cruz, JD Henderson, SE Spring, L Bowen, JD Bluso, SA Demers, M Ricca, C Marn, C Strong, N Warnock, M Wilson, and T Maurer. 2005. Mercury in birds of the San Francisco Bay-Delta: trophic pathways, bioaccumulation and ecotoxicological risk to avian reproduction. The 7th Biennial State of the Estuary Conference, Oakland, California, October 4-6. [Poster with Abstract]

Takekawa, JY, JL Yee, and JT Ackerman. 2005. Estimating identification error for similar subspecies: distinguishing tule greater white-fronted geese in the Pacific flyway. 11th North American Arctic Goose Conference and Workshop, Reno, Nevada, January 5–8. [Poster]

Takekawa, J.Y., A.K. Miles, D.H. Schoellhamer, B. Jaffe, N.D. Athearn, S.E. Spring, G.G. Shellenbarger, M.K. Saiki, F. Mejia, and M.A. Lionberger. 2005. South Bay Salt Ponds Restoration Project Short-term Data Needs, 2003-2005. Unpubl. Final Rep., U.S. Geological Survey, Vallejo, CA. 270pp. [Technical Report]

Fleskes, J.P., J.L. Yee, M.L. Casazza, M.R. Miller, J.Y. Takekawa, and D.L. Orthmeyer. 2005. Waterfowl distribution, movements, and habitat use relative to recent habitat changes in the Central Valley of California: A cooperative project to investigate impacts of the Central Valley Joint Venture and changing agricultural practices on the ecology of wintering waterfowl. Final Report. U.S. Geological Survey-Western Ecological Research Center, Dixon Field Station, Dixon, California. [Technical Report]

Ackerman, JT, JY Takekawa, JP Fleskes, and DL Orthmeyer. 2005. Decade of change: a tracking study shows how white-fronted geese responded to recent habitat changes in the Central Valley. California Waterfowl, April/May 2005: 16–17 & 58. [Popular Publication]

Ackerman, JT, JY Takekawa, KL Kruse, DL Orthmeyer, JL Yee, CR Ely, DH Ward, KS Bollinger, and DM Mulcahy. 2005. Heart rates of tule greater white-fronted geese in response to human disturbance using radio telemetry. 11th North American Arctic Goose Conference and Workshop, Reno, Nevada, January 5–8. [Poster]

Ackerman, JT, JY Takekawa, KL Kruse, DL Orthmeyer, JL Yee, CR Ely, DH Ward, KS Bollinger, and DM Mulcahy. 2004. Using radiotelemetry to monitor cardiac response of free-living tule greater white-fronted geese (Anser albifrons elgasi) to human disturbance. Wilson Bulletin 116(2): 146–151. [Journal Article]

Miles, A. K., J. Y. Takekawa, D. H. Schoellhamer, S. E. Spring, N. D. Athearn, G. G. Shellenbarger, and D. C. Tsao. 2004. San Francisco Bay Estuary Salt Ponds Progress Report 2001 - 2003, Priority Ecosystem Science Program, USGS/USFWS (CNO)Science Support Program. Unpubl. Prog. Rep., U.S. Geological Survey, Davis and Vallejo, CA. 67pp. [Technical Report]

Takekawa, JY, HR Carter, DL Orthmeyer, RT Golightly, JT Ackerman, GJ McChesney, JW Mason, J Adams, WR McIver, MO Pierson, and CD Hamilton. 2004. At-Sea Distribution and Abundance of Seabirds and Marine Mammals in the Southern California Bight: 1999–2003. Unpublished summary report, U.S. Geological Survey, Western Ecological Research Center, Vallejo, CA; and Humboldt State University, Department of Wildlife, Arcata, CA 309 pp. [Technical Report]

Ackerman, JT, J Adams, JY Takekawa, HR Carter, DL Whitworth, SH Newman, RT Golightly, and DL Orthmeyer. 2004. Effects of radio transmitters on the reproductive performance of Cassin’s auklets. Wildlife Society Bulletin 32(4): 1229-1241. [Journal Article]

Mason, JW, GJ McChesney, WR McIver, HR Carter, JY Takekawa, RT Golightly, JT Ackerman, DL Orthmeyer, WM Perry, JL Yee, MO Pierson, and MD McCrary. 2004. At-sea aerial surveys of seabirds in the Southern California Bight: 1999–2002. Pages 11–109 in Takekawa, JY, HR Carter, DL Orthmeyer, RT Golightly, JT Ackerman, GJ McChesney, JW Mason, J Adams, WR McIver, MO Pierson, and CD Hamilton. 2004. At-sea distribution and abundance of seabirds and marine mammals in the Southern California Bight: 1999–2003. Unpublished summary report, U. S. Geological Survey, Western Ecological Research Center, Vallejo, CA; and Humboldt State University, Department of Wildlife, Arcata, CA 309 pp. [Technical Report]

Ackerman, JT, JW Mason, and JY Takekawa. 2004. Seabirds off Southern California–surveys reveal patterns in abundance and distribution. Sound Waves, November 2004, Vol. FY 2005, No. 67: 6–7. [Popular Publication]

Ackerman, JT, J Adams, JY Takekawa, HR Carter, DL Whitworth, SH Newman, RT Golightly, and DL Orthmeyer. 2004. Radio transmitter effects on breeding Cassin’s auklets at the California Channel Islands. Pacific Seabird Group, 31st Annual Meeting, La Paz, Mexico, January 21–25. [Poster]

Mason, JW, GJ McChesney, WR McIver, HR Carter, JY Takekawa, RT Golightly, JT Ackerman, DL Orthmeyer, WM Perry, JL Yee, MO Pierson, and MD McCrary. 2004. Distribution and abundance of seabirds off southern California: a twenty-year comparison. Pacific Seabird Group, 31st Annual Meeting, La Paz, Mexico, January 21–25. [Poster]

Ackerman, JT, J Adams, JY Takekawa, HR Carter, DL Whitworth, SH Newman, RT Golightly, and DL Orthmeyer. 2004. Radio transmitter effects on Cassin’s Auklets breeding on the California Channel Islands. Pages 279–303 in Takekawa, JY, HR Carter, DL Orthmeyer, RT Golightly, JT Ackerman, GJ McChesney, JW Mason, J Adams, WR McIver, MO Pierson, and CD Hamilton. 2004. At-sea distribution and abundance of seabirds and marine mammals in the Southern California Bight: 1999–2003. Unpublished summary report, U.S. Geological Survey, Western Ecological Research Center, Vallejo, CA; and Humboldt State University, Department of Wildlife, Arcata, CA 309 pp. [Technical Report]

Takekawa, J. Y., Long-term Productivity of Canvasbacks in a Snowpack-Driven Desert Marsh (March 2004) [Publication Brief]

Warnock, N., M.A. Bishop, J.Y. Takekawa, and T.D. Williams. 2004. Pacific Flyway Shorebird Migration Program: Spring Western Sandpiper Migration, Northern Baja California, Mexico to Alaska - Final Report 2004. Unpubl. Prog. Rep., PRBO Conservation Science, Stinson Beach, CA; Prince William Sound Science Center, Cordova, AK; U.S. Geological Survey, Vallejo, CA; and Simon Fraser University, Burnaby, B.C. [Technical Report]

Takekawa, J.Y. 2004. Winter distribution and survival of a high-desert breeding population of canvasbacks. U.S. Geological Survey Publication Brief for Resource Managers. March 2004: 1pp. [Fact Sheet]

Poulton, V.K., J.R. Lovvorn, and J.Y. Takekawa. 2004. Spatial and overwinter changes in clam populations of San Pablo Bay, a semiarid estuary with highly variable freshwater inflow. Estuarine, Coastal and Shelf Science 59: 459-473. [Journal Article]

Takekawa, J.Y., D.H. Schoellhamer, A.K. Miles, G.G. Shellenbarger, N.D. Athearn, S.E. Spring, M.K. Saiki, C.A. Jannusch. 2004. Initial biophysical changes after breaching a salt pond levee: final report on the Napa-Sonoma Wildlife Area Pond 3 breach. Unpubl. Progr. Rep., U.S. Geological Survey, Vallejo, CA. 42pp. [Technical Report]

Bishop, M.A., N. Warnock and J.Y. Takekawa. 2004. Differential spring migration by male and female Western Sandpipers at interior and coastal stopover sites. Ardea 92(2): 185-196. [Journal Article]

Takekawa, J. T., Winter Distribution and Survival of a High-Desert Breeding Population of Canvasbacks (March 2004) [Publication Brief]

Henkel, L.A., E.E. Burkett, and J.Y. Takekawa. 2004. At-sea activity and diving behavior of a radio-tagged Marbled Murrelet in central California. Waterbirds 27(1):9-12. [Journal Article]

Adams, J., J.Y. Takekawa, and H. R. Carter. 2004. Foraging distance and home range of Cassin's auklets nesting at two colonies in the California Channel Islands. Condor 106:618-637. [Journal Article]

Fleskes, J. P., M. L. Casazza, J. G. Mensik, M. R. Miller, D.O. Orthmeyer, J. Y. Takekawa, J. L. Yee, and D. R. Yparraguirre. December 2003. Impacts of landscape changes on waterfowl wintering in the Central Valley of California. 3rd International Wildlife Mamagement Congress Christchurch, New Zealand. [Poster with Abstract]

Fleskes, J. P., M. L. Casazza, M. R. Miller, J. Y. Takekawa, J. L. Yee, D.O. Orthmeyer, J. G. Mensik, and D. R. Yparraguirre. November 2003. Impacts of landscape changes on waterfowl wintering in the Central Valley of California. 3rd North American Duck Symposium.Sacramento, CA. [Presentation with Abstract]

Downard, G.T., J.Y. Takekawa, and I. Woo. 2003. The Tubbs Setback Restoration Project: Establishment of Tidal Marsh Plants. Unpubl. Rep. of the San Pablo Bay NWR, Vallejo, CA. 19pp. [Technical Report]

Takekawa, J. Y., M. A. Bias, I. Woo, S. A. Demers, and E. E. Boydston. 2003. Small mammal survey at Big Lagoon, Muir Beach, Marin County, CA. Unpubl. Progr. Rep., U. S. Geological Survey, Vallejo, CA. 25pp. [Technical Report]

Miller, M. R., J.Y. Takekawa, D.L. Orthmeyer, J. P. Fleskes, M.L. Casazza, M.W. Perry. 2003. Tracking spring migration of northern pintails with satellite telemetry. Discovery for Recovery: An international pintail research initiative. Final Report. U.S. Geological Survey, Dixon, California. 63 pp. [Technical Report]

Fleskes, J. P., M. R. Miller, and J. Y. Takekawa. 2003. Science support for managing migratory waterfowl. April 8, 2003. USGS WERC Fact Sheet. [Fact Sheet]

Contaminant concentrations in diving ducks of the San Francisco Bay estuary. Miles, A.K., Takekawa, J.Y., Wainwright-de la Cruz, S., Lovvorn, J.R. 3rd North American Duck Symposium, Sacramento, CA 2003. Poster Presentation. [Poster with Abstract]

Kruse, K.L., J.R. Lovvorn, J.Y. Takekawa, and J. Mackay. 2003. Long term productivity of canvasbacks (Aythya valisineria) in a snowpacked-driven desert marsh. Auk 120(1):107-119. [Journal Article]

Takekawa, J.Y., I. Woo, S.A. Demers, and G.T. Downard. 2003. The Tubbs Setback Restoration Project: Assessing Early Tidal Marsh Development. Unpubl. Rep., U.S. Geological Survey. Western Ecological Research Center. San Francisco Bay Estuary Field Station. Vallejo, CA. 36pp. [Technical Report]

Javed, S.,H. Higuchi, M. Nagendran, and J.Y. Takekawa. 2003. Satellite telemetry and wildlife studies in India: Advantages, options and challenges. Current Science. 85(10): 1439-1443. [Journal Article]

Ackerman, JT, J Adams, JY Takekawa, HR Carter, DL Whitworth, SH Newman, RT Golightly, and DL Orthmeyer. 2003. Effects of radio transmitters on breeding Cassin’s auklets. Minerals Management Service, Camarillo, California, September 9. [Presentation]

Mason, JW, GJ McChesney, WR McIver, HR Carter, RT Golightly, DL Orthmeyer, JY Takekawa, JT Ackerman, W Perry, JL Yee, MO Pierson, and MD McCrary. 2003. Distribution, abundance, and colony counts of seabirds off Southern California. Minerals Management Service, Camarillo, California, September 9. [Presentation]

Adams, J, JW Mason, GJ McChesney, WR McIver, HR Carter, RT Golightly, DL Orthmeyer, JY Takekawa, JT Ackerman, W Perry, and JL Yee. 2003. Integrating seabird use and ocean features: an example with Cassin’s auklets. Minerals Management Service, Camarillo, California, September 9. [Presentation]

Warnock, N. and Takekawa, J.Y. 2003. Use of radio telemetry in studies of shorebirds: past contributions and future directions. Wader Study Group Bull. 100:138-150. [Journal Article]

Takekawa, J.Y., S.E. Wainwright-De La Cruz, R.L. Hothem, and J. Yee. 2002. Relating body condition to inorganic contaminant concentrations of diving ducks wintering in coastal California. Arch. Environ. Contam. Toxicol. 42:60-70. [Journal Article]

Miller, M.R., J.Y. Takekawa, D.O. Orthmeyer, J.P. Fleskes, M.L. Casazza, and W.M. Perry. 2002. The efficiency of the May Survey to account for pintails: Hiding in plain sight. The Wildlife Society, Annual Conference, Bismarck, ND, September 2002. [Abstract]

Miller, M.R., J.Y. Takekawa, D.L. Orthmeyer, J.P. Fleskes, M.L. Casazza, and W.M. Perry. 2002. Tracking Spring Migration of Northern Pintails with Satellite Telemetry. Progress Report 2002. U.S.G.S., Western Ecological Research Center, Dixon and San Francisco Bay Estuary Field Stations, California. [Technical Report]

Warnock, N., M. A. Bishop, and J. Y. Takekawa. 2002. Spring shorebird migration from Mexico to Alaska: Final Report 2002. Unpubl. Prog. Rep., Point Reyes Bird Observatory, Stinson Beach, CA, and U. S. Geological Survey, Vallejo, CA, 22pp. [Technical Report]

Miller, M., J. Fleskes, D. Orthmeyer, J. Takekawa, M. Casazza, and B. Perry. 2002. Pintails on the move. California Waterfowl Aug/Sep 2002: 8, 10-13. [Popular Publication]

Takekawa, J. Y., M. A. Bias, I. Woo, S. A. Demers, and G. T. Downard. 2002. Restoration research and monitoring in bayland wetlands of the San Francisco Bay Estuary: The Tolay Creek Project. U. S. Geological Survey, Unpubl. Prog. Rep. Vallejo, CA. 69pp. [Technical Report]

Poulton, V.K., J.R. Lovvorn, and J.Y. Takekawa. 2002. Clam density and scaup feeding behavior in San Pablo Bay, California. Condor 104:518-527. [Journal Article]

Nebel, S., D.B. Lank, P.D. O'Hara, G. Fernández, B. Haase, F. Delgado, F.A. Estela, L.J. Evans Ogden, B. Harrington, B.E. Kus, J.E. Lyons, F. Mercier, B. Ortego, J.Y. Takekawa, N. Warnock & S.E. Warnock. 2002. Western Sandpipers (Calidris mauri) during the non-breeding season: spatial segregation on a hemispheric scale. Auk 119: 922-928. [Journal Article]

Warnock, N., G. W. Page, T. D. Ruhlen, N. Nur, J. Y. Takekawa, and J. T. Hanson. 2002. Management and conservation of San Francisco Bay salt ponds: effects of pond salinity, area, tide, and season on Pacific Flyway waterbirds. Waterbirds 25: 79-92. [Journal Article]

Winton, B. R., and J. Y. Takekawa. 2002. Transportation impacts to wildlife on state route 37 in northern San Pablo Bay, California. Trans. W. Sec. Wildl. Soc. 37: 55-60. [Journal Article]

Takekawa, J. Y., N. Warnock, G. M. Martinelli, A. K. Miles, and D. C. Tsao. 2002. Waterbird use of bayland wetlands in the San Francisco Bay estuary: movements of long-billed dowitchers during the winter. Waterbirds 25: 93-105. [Journal Article]

Takekawa, J.Y. 2002. Teamwork Sheds Light on Shorebird-Migration Mysteries. Sound Waves, 40:3-4. [Popular Publication]

Miller, M.R., Takekawa, J.Y., Orthmeyer, D.L., Fleskes, J.P., Casazza, M.L., and W.M. Perry. 2001. PINSAT 2001 Progress Report. [Technical Report]

Emerson, S. J., M. A. Bias, G. T. Downard, and J. Y. Takekawa. 2001. Biophysical monitoring of a tidal salt marsh rehabilitation in the San Francisco Bay estuary. Society of Wetland Scientists. Chicago. [Abstract]

Kruse, K. L. (J. Takekawa, committee member). 2001. Long-term productivity, non-breeding survival, and winter site fidelity of canvasbacks breeding at Ruby Lake National Wildlife Refuge, Nevada. Unpubl. Master's Thesis. University of Wyoming. Laramie, WY. 78pp. [Thesis/Dissertation]

Winton, B. R., L. A. Vicencio, J. Y. Takekawa, and C. Morton. 2001. Wildlife mortality on Highway 37 traversing tidal marshes, seasonal wetlands, and diked baylands in northern San Pablo Bay, California. Wildlife Society 8th Annual Conference. Reno, NV. [Abstract]

Wainwright-De La Cruz, S. E., J. Y. Takekawa, A. K. Miles, and J. R. Lovvorn. 2001. Home ranges and foraging depth preferences of scaup in the San Francisco Bay estuary. Wildlife Society 8th Annual Conference. Reno, NV. [Abstract]

Carter, H. R., R. T. Golightly, J. Y. Takekawa, and D. L. Orthmeyer. 2001. Foraging ecology of Cassin's auklets in Southern California. Oiled Wildlife Care Symposium, Davis, CA. [Abstract]

Adams, J., J. Y. Takekawa, and H. R. Carter. 2001. At-sea distribution of breeding Cassin's auklets (Ptychoramphus aleuticus) off the northern Channel Islands in 1999-2000. Western Section of the Wildlife Society. Sacramento, CA. [Abstract]

Miller, M. R., J. P. Fleskes, J. Y. Takekawa, D. L. Orthmeyer, M. L. Casazza, and W. M. Perry. 2001. Satellite tracking of northern pintail spring migration from California, USA: the route to Chukotka, Russia. Casarca 7: 229-233. [Journal Article]

Hui, C. A. , J. Y. Takekawa, and S. E. Warnock. 2001. Contaminant profiles of two species of shorebirds foraging together at two neighboring sites in south San Francisco Bay, California. Environmental Monitoring and Assessment 71:107-121. [Journal Article]

Fleskes, J. P., M. L. Casazza, D. S. Gilmer, J. G. Mensik, M. R. Miller, D.O. Orthmeyer, J. Y. Takekawa, J. L. Yee and D. R. Yparraguirre. 2001. Waterfowl ecology relative to recent habitat changes in the Central Valley of California. The Wildlife Society-The Western Section. Feb. 2001. Sacramento, CA. [Abstract]

Takekawa, J.Y., S.E. Wainwright-De La Cruz, R.L. Hothem, and J. Yee. 2001. Relating body condition and contaminant burdens of diving ducks wintering in coastal California. Eighth Annual Conference of The Wildlife Society, September 25-29, 2001, Reno, NV. [Poster with Abstract]

Orthmeyer, D.L., J.Y. Takekawa, and J.L. Yee. 2001. Distribution and nearest neighbor analyses comparing two Lessor Snow goose populations wintering the Sacramento Valley of California. The Wildlife Society 2001 Annual Conference Reno, Nevada. [Abstract]

Fleskes, J.P., M.L. Casazza. D.S. Gilmer, J.G. Mensik, M.R. Miller, D.L. Orthmeyer, J.Y. Takekawa, J.L. Yee and D.R. Yparraguirre. 2001. Waterfowl ecology relative to recent habitat changes in the Central Valley of California. The Wildlife Society 2001 Annual Conference Reno, Nevada. [Poster]

Miller, M.R. D.L. Orthmeyer, J. Fleskes, M. Casazza, W. Perry, and J. Takekawa. 2001. Spring migration strategies of northern pintails documented with satellite telemetry. The Wildlife Society 2001 Annual Conference Reno, Nevada. [Poster]

Fleskes, J. P., M. L. Casazza, D. S. Gilmer, J. G. Mensik, M. R. Miller, D.O. Orthmeyer, J. Y. Takekawa, J. L. Yee, and D. R. Yparraguirre. 2001. Waterfowl ecology relative to recent habitat changes in the Central Valley of California. The Wildlife Society-2001 Annual Meeting, Reno, NV. Sept. 2001. [Abstract]

Orthmeyer, D.L., J.Y. Takekawa, and J.L. Yee. 2001. Movement, home range, and nearest neighbor analysis comparing two Lessor Snow goose populations wintering in the Sacramento Valley. 10th North American Artic Goose Conference. Quebec City, Quebec CANADA. [Abstract]

Steere, J. T., and N. Schaefer. 2001. Restoring the estuary: implementation strategy of the San Francisco Bay Joint Venture. San Francisco Bay Joint Venture, Oakland, CA. 124pp. (J. Takekawa, contributing author). [Technical Report]

Orthmeyer, D. L., H. R. Carter, J. Y. Takekawa, and R. T. Golightly (eds.). 2001. At-sea distribution of seabirds and marine mammals in the Southern California Bight. 2001 Published Progress Report. 117pp. [Technical Report]

Takekawa, J. Y., C. T. Lu, and R. T. Pratt. 2001. Avian communities in baylands and artificial salt evaporation ponds of the San Francisco Bay estuary. Hydrobiologia 466: 317-328. [Journal Article]

Fleskes, J. P., M. L. Casazza, D. S. Gilmer, J. G. Mensik, M. R. Miller, D.O. Orthmeyer, J. Y. Takekawa, J. L. Yee, and D. R. Yparraguirre. Waterfowl use patterns and energetics relative to Central Valley Habitat Joint Venture Habitat goals. Central Valley Habitat Joint Venture Strategic Planning Meeting. May 21-22, 2001. Sacramento, CA. (Invited Oral presentation) [Presentation]

Carter, H. R., U. W. Wilson, R. W. Lowe, M. S. Rodway, D. A. Manuwal, J. E. Takekawa, and J. L. Yee. 2001. Population trends of the common murre (Uria aalge californica). Pages 33–132 in D. A. Manuwal, H. R. Carter, T. S. Zimmerman, and D. L. Orthmeyer, editors. Biology and conservation of the common murre in California, Oregon, Washington, and British Columbia. Volume 1: Natural history and population trends. U.S. Geological Survey, Information and Technology Report USGS/BRD/ITR–2000-0012, Washington, D.C. [Technical Report]

Takekawa, J.Y., and D.L. Orthmeyer. 2001. Application of radio telemetry in studies of cranes. Pages 85-98 in R.L. Johnson, Z. Hongfei, and R.C. Stendell, (eds.). Cranes in East Asia: Proceedings of the Symposium held in Hardin, People's Republic of China. June 9-18, 1998. U.S. Geological Survey, Midcontinent Ecological Science Center, Fort Collins. CO. Open File Report 01-403. 98pp. [Popular Publication]

Takekawa, J.Y. and D.L. Orthmeyer. 2001. Application of radio telemetry in studies of cranes. Pages 85-98 in R.L. Johnson, Z. Hongfei, and R.C. Stendell (eds.). Cranes in East Asia: Proceedings of the Symposium held in Harbin, People's Republic of China. June 9-18, 1998. U.S. Geological Survey, Midcontinent Ecological Science Center, Fort Collins, CO. Open File Report 01-403. 98pp. [Technical Report]

Fleskes, J. P., M. L. Casazza, D. S. Gilmer, J. G. Mensik, M. R. Miller, D.O. Orthmeyer, J. Y. Takekawa, J. L. Yee and D. R. Yparraguirre. Waterfowl ecology relative to recent habitat changes in the Central Valley of California. The Wildlife Society-The Western Section. Feb. 2001. Sacramento, CA. [Abstract]

Poulton, V. K., J. R. Lovvorn, and J. Y. Takekawa. 2001. Clam density and diurnal feeding behavior of scaup in northern San Francisco Bay. Wildlife Society 8th Annual Conference. Reno, NV. [Abstract]

Kruse, K. L., J. R. Lovvorn, J. Y. Takekawa, and J. MacKay. 2001. Factors that affect nest success of canvasbacks at Ruby Lake National Wildlife Refuge, Nevada. Wildlife Society 8th Annual Conference. Reno, NV. [Abstract]

Adams, J., J. Y. Takekawa, and H. R. Carter. 2001. At-sea distribution of Cassin's auklets (Ptychoramphus aleuticus) nesting in the California Channel Islands. Wildlife Society 8th Annual Conference. Reno, NV. [Abstract]

Warnock, N., G. W. Page, N. Nur, J. Y. Takekawa, and J. T. Hanson. 2001. Bird populations in the San Francisco Bay: what does the future hold? Fifth Biennial State of the Estuary Conference. San Francisco. [Abstract]

Takekawa, J. Y. 2001. Wintering ecology of Arctic nesting geese in the Central Valley. Central Valley Birding Symposium. Stockton, CA. [Abstract]

Warnock, N., M. A. Bishop, and J. Y. Takekawa. 2001. Spring migration of dunlin and dowitchers along the Pacific Flyway. Unpubl. Prog. Rep., Point Reyes Bird Observatory. Stinson Beach, CA. 16pp. [Technical Report]

Miller, M. R., J. Takekawa, D. Orthmeyer, J. Fleskes, and M. Casazza. 2000. Spring migration of northern pintails: an application of satellite telemtry. 3rd Annual Pacific Flyway Symposium. Mar. 2000, Otter Crest, OR. [Abstract]

Fleskes, J. P., M. L. Casazza, D. S. Gilmer, J. G. Mensik, M. R. Miller, D.O. Orthmeyer, J. Y. Takekawa, J. L. Yee and D. R. Yparraguirre. 2000. Waterfowl ecology relative to recent habitat changes in the Central Valley of California. CALFED Bay-Delta Program Science Conference 2000. Oct. 2000. Sacramento, CA. [Abstract]

Takekawa, J.Y., M. Kurechi, D.L. Orthmeyer, Y. Sabano, S. Uemura, W.M. Perry, and J.L. Yee. 2000. A Pacific spring migration route and breeding range expansion for greater white-fronted geese wintering in Japan. Global Environ. Res. (4) (2000) 2:155-168. [Journal Article]

Miller, M.R., Takekawa, J.Y., Orthmeyer, D.L., Fleskes, J.P., Casazza, M.L., and W.M. Perry. 2000. PINSAT 2000 Progress Update Report. [Technical Report]

Takekawa, J.Y. 2000. Diving ducks need salt ponds. Page 52 in A.R. Okamoto (ed.). State of the estuary 2000 restoration primer: San Francisco Bay Sacramento-San Joaquin River Delta estuary. U.S. EPA, San Francisco Estuary Project. Oakland, CA 76pp. [Popular Publication]

Carter, H. R., D. L. Whitworth, J. Y. Takekawa, T. W. Keeney, and P. R. Kelly. 2000. At-sea threats to Xantus' murrelets (Synthliborampus hypoleucus) in the Southern California Bight. Pages 435-447. In D. R. Browne, K. L. Mitchell, and H. W. Chaney (eds.). Proc. of the Fifth Calif. Islands Symposium. 29 March to 1 April 1999. U. S. Minerals Management Service. Camarillo, CA. [Proceedings]

Whitworth, D. L., J. Y. Takekawa, H. R. Carter, S. H. Newman, T. W. Keeney, and P. R. Kelly. 2000. Distribution of Xantus' murrelet Synthliboramphus hypoleucus at sea in the Southern California Bight, 1995-1997. Ibis 142:268-279. [Journal Article]

Miller, M.R., D.L. Orthmeyer, J. Fleskes, M. Casazza, W. Perry, and J. Takekawa. 2000. Spring migration of northern pintails: an application of satellite telemetry. Second North American Duck Symposium and Workshop. Oct 11-15, 2000. Saskatoon, Saskatchewan, CANADA. [Abstract]

Fleskes, J. P., M. L. Casazza, D. S. Gilmer, J. G Mensik, M. R. Miller, D.O. Orthmeyer, J. Y. Takekawa, J. L. Yee and D. R. Yparraguirre. 2000. Waterfowl ecology relative to recent habitat changes in the Central Valley of California. Second North American Duck Symposium. Oct. 2000. Saskatoon, Saskatchewan, Canada. [Poster]

Takekawa, J. Y., A. K. Miles, D. H. Schoellhamer, G. M. Martinelli, M. K. Saiki, and W. G. Duffy. 2000. Science support for wetland restoration in the Napa-Sonoma salt ponds, San Francisco Bay estuary, 2000 Progress Report. Unpubl. Prog. Rep., U. S. Geological Survey, Davis and Vallejo, CA. 66pp. [Technical Report]

M. R. Miller, D. L. Orthmeyer, J. P. Fleskes, M. L. Casazza, W. M. Perry and J. Y. Takekawa. 2000. Spring migration of northern pintails: an application of satellite telemetry. Second North American Duck Symposium. Oct. 2000. Saskatoon, Saskatchewan, Canada. [Abstract]

Fleskes, J.P., M.L. Casazza. D.S. Gilmer, J.G. Mensik, M.R. Miller, D.L. Miller, J.Y. Takekawa, J.L. Yee and D.R. Yparriguirre. 2000. Waterfowl Ecology relative to recent habitat changes in the Central Valley, California. Second North American Duck Symposium and Workshop. Oct 11-15, 2000. Saskatoon, Saskatchewan, CANADA. [Abstract]

Miles, A. K., J. Y. Takekawa, D. H. Schoellhamer, C. T. Lu, W. G. Duffy, and M. K. Saiki. 2000. Science support for wetland restoration in the Napa-Sonoma salt ponds, San Francisco Bay estuary, 1999 progress report. Unpubl. Prog. Rep., U. S. Geological Survey, Davis and Vallejo, CA. 57pp. [Technical Report]

Bias, M. A., J. Takekawa, G. Downard, S. Emerson, and F. Reid. 2000. Guadalcanal Village tidal marsh mitigation annual monitoring report, December 2000. Unpubl. Rep., Calif. Dept. Trans., Oakland, CA. 45pp. [Technical Report]

Adams, J., J. Y. Takekawa, H. R. Carter, D. L. Whitworth, and G. J. McChesney. 2000. At-sea distribution of radio-marked Cassin's auklets breeding at Prince Island, California in 1999. Pacific Seabird Group Meeting. Hawaii. [Abstract]

Javed, S., J. Y. Takekawa, D. C. Douglas, A. R. Rahmani, Y. Kanai, M. Nagendran, B. C. Choudhury, and S. Sharma. 2000. Tracking the spring migration of a bar-headed goose (Anser indicus) across the Himalaya with satellite telemetry. Global Environmental Res. 4(2): 195-205. [Journal Article]

Hickey, C., N. Warnock, and J. Takekawa. 2000. Space and habitat use of black-necked stilts in the San Francisco Bay estuary. Colonial Waterbirds Meeting. Boston, MA. [Abstract]

Whisson, D. A., and J. Y. Takekawa. 2000. Testing the effectiveness of an aquatic hazing device on waterbirds in the San Francisco Bay estuary of California. Waterbirds 23(1): 56-63. [Journal Article]

Javed, S., J. Y. Takekawa, D. C. Douglas, A. R. Rahmani, B. C. Choudhury, S. L. Landfried, and S. Sharma. 2000. Documenting trans-Himalayan migration through satellite telemetry: a report on capture, deployment, and tracking of bar-headed goose (Anser indicus) from India. Dep. of Wildlife Sciences, AMU Aligarh and Wildlife Institute of India, Dehradun. [Technical Report]

Samuel, M. D., J. Y. Takekawa, V. V. Baranyuk, and D. L. Orthmeyer. 1999. Effects of avian cholera on survival of lesser snow geese Anser caerulescens: an experimental approach. Bird Study 46: 239-247. [Proceedings]

Samuel, M.D., J.Y. Takekawa, V.V. Baranyuk, D.L. Orthmeyer. 1999. Effects of avian cholera on Lesser Snow geese Anser caerulescens: an experimental approach. Bird Study. 46: 239-247. [Journal Article]

Kruse, K. L., and J. Y. Takekawa. 1999. The canvasback from Ruby Lake National Wildlife Refuge. Tideline. [Newsletter]

Laird, R. E., J. Y. Takekawa, and M. A. Bias. 1999. Challenges in rehabilitating a tidal salt marsh fragment in a diked agricultural bayland. ERF Conf., Richmond, VA. [Poster]

Newman, S. H., J. Y. Takekawa, D. L. Whitworth, and E. E. Burkett. 1999. Subcutaneous anchor attachment increases retention of radio transmitters on Xantus' and marbled murrelets. J. Field Ornithol. 70(4): 520-534. [Journal Article]

Samuel, M. D., J. Y. Takekawa, G. Samelius, and D. R. Goldberg. 1999. Avian cholera mortality in lesser snow geese nesting at Banks Island, Northwest Territories. Wildl. Soc. Bull. 27: 780-787. [Journal Article]

Page, G., J. Takekawa, and N. Warnock. 1999. Salt marsh rehabilitation in the San Francisco Bay estuary and implications for migratory waterbirds of the Pacific Flyway. Fourth Biennial State of the Estuary Conference. San Francisco. [Abstract]

Bias, M. A., J. Y. Takekawa, R. E. Laird, M. Eagan, M. Hulst, and L. Vicencio. 1999. Easier said than done: lessons learned from a tidal restoration in San Pablo Bay. Soc. For Ecol. Restor. Conf. 119th Annual Mtg., San Francisco. [Poster]

Orthmeyer, D. L., H. R. Carter, J. Y. Takekawa, and R. T. Golightly (eds.). 1999. At-sea distribution of seabirds and marine mammals in the Southern California Bight: 1999. Published Progress Report 73pp. [Technical Report]

Baranyuk, V. V., and J. Y. Takekawa. 1998. Migration of the snow geese in Chukotka and St. Lawrence Island. Casarca 4:169-187 (in Russian). [Journal Article]

Kuznetsov, S. B, V. V. Baranyuk, and J. Y. Takekawa. 1998. Genetic differentiation between wintering populations of lesser snow geese nesting on Wrangel Island, Russia. Auk. 115(4):1053-1057. [Journal Article]

Orthmeyer, D. L., J. Y. Takekawa, C. R. Ely, J. G. Mensik, M. St. Louis, T. Rothe, and D. Yparraguirre. 1998. Comparing population size estimators for the vulnerable tule greater white-fronted goose subspecies from counts, collar observations, and radio locations. Ninth North American Arctic Goose Conf. Victoria, BC. [Poster]

Orthmeyer, D.L., J Y. Takekawa, C R. Ely, M.St Louis, J.G. Mensik, T. Rothe, D. Yparraguirre 1998. Comparing Population Size Estimators On The Vulnerable Tule Greater White-fronted Goose Population Using Total Counts, Collar Observations, and Radio Telemetry Data. Ninth North American Arctic Goose Conference, Vancouver, BC. [Poster]

Jasper, J., J. Y. Takekawa, and W. L. Perry. 1998. Wild Wings: Heading North. National Audubon Society and USGS. http://north.audubon.org/ [Web Page]

Perry, W. M., and J. Y. Takekawa. 1998. Tracking the migration of lesser snow geese on the internet with satellite telemetry: a geographic information system project. USGS Western Region Open House, Menlo Park, CA. [Poster]

Whisson, D. A., and J. Y. Takekawa. 1998. Testing the effectiveness of an aquatic hazing device on waterbirds in San Francisco Bay, California. Unpubl. Rep. to the Calif. Dep. Fish and Game, Oil Spill Prevention and Response. Univ. of California, Davis. 41pp. [Technical Report]

Hui, Clifford A., John Y. Takekawa, V.V. Baranyuk and K.V. Litvin. 1998. Trace element concentrations in two subpopulations of lesser snow geese from Wrangel Island, Russia. Archives of Environmental Contamination and Toxicology 34: 197-203. [Journal Article]

Whisson, D.A. and J.Y. Takekawa. 1998. Testing the effectiveness of an aquatic hazing device on waterbirds in San Francisco Bay, California. Unpubl. Rep. to the Calif. Dep. Fish and Game, Oil Spill Prevention and Response. Univ. of California, Davis. 41p. [Technical Report]

Takekawa, J.Y., D.L. Orthmeyer, M.D. Samuel, and V.V. Baranyuk.1998. Over-winter survival of Lesser Snow Geese populations in California: Can we explain this exception to overabundance. 9th North American Arctic Goose Conference and Workshop. January 7-11,1998. Victoria, British, Columbia. [Abstract]

Samuel, M.D. J.Y. Takekawa, V.V. Baranyuk, D.L. Orthmeyer, and E.G. Cooch. 1998. Effects of avian cholera on survival of Lessor Snow Geese in the Pacific Flyway. 9th North American Arctic Goose Conference and Workshop. January 7-11,1998. Victoria, British, Columbia. [Abstract]

Whitworth, D. L., J. Y. Takekawa, H. R. Carter, and W. R. McIver. 1997. A night-lighting technique for at-sea capture of Xantus? Murrelets. Colonial Waterbirds 20:525-531. [Journal Article]

Takekawa, J. Y., and C. R. Ely. 1997. Tracking white-fronted geese from Bristol Bay, Alaska, to Mexico. California Waterfowl (October/November):36-37. [Popular Publication]

Ely, C. R., D. C. Douglas, A. C. Fowler, C. A. Babcock, D. V. Derksen, and J. Y. Takekawa. 1997. Migration behavior of tundra swans from the Yukon-Kuskokwim Delta, Alaska. Wilson Bull. 109(4):679-692. [Journal Article]

Ely, C. R., and J. Y. Takekawa. 1996. Geographic variation in migratory behavior of greater white-fronted geese (Anser albifrons). Auk 113(4):889-901. [Journal Article]

Warnock, S. E., and J. Y. Takekawa. 1996. Wintering site fidelity and movement patterns of western sandpipers Calidris mauri in the San Francisco Bay estuary. Ibis 138:160-167. [Journal Article]

Sabano, Y., S. Uemura, S. Iwabuchi, M. Kurechi, A. V. Andreev, A. V. Kondratyev, E. V. Syroeckovsky, K. E. Litvin, V. V. Baranyuk, J. Y. Takekawa, and D. L. Orthmeyer. 1996. Restoration of lesser snow geese Anser caerulescens to East Asia, an international conservation project. Gibier Faune Savage Game Wildl. Vol 13 September 1996 p 1181-1190 [Journal Article]

Hui, Clifford A., J.Y. Takekawa, Ye.V. Litvin, and V.V. Baranyuk. 1995. Contaminants burdens of two subpopulations of lesser snow geese from Wrangel Island, Russia. Society of Environmental Toxicology and Chemistry Annual Meeting. Vancouver, British Columbia, Nov 5-9, 1995. [Poster with Abstract]

Warnock, S. E., and J. Y. Takekawa. 1995. Habitat preferences of wintering shorebirds in a temporally changing environment: western sandpipers in the San Francisco Bay estuary. Auk 112:920-930. [Journal Article]

Takekawa, John Y., S.E. Warnock, and C.A. Hui. 1995. Risks of contaminant exposure in wintering shorebirds of the San Francisco Bay estuary. The Wildlife Society Second Annual Conference, Portland, OR, Sept 12-17, 1995. [Abstract]

Kurechi, M. Y. Sabano, S. Iwabuchi, E. Syroechkovsky, V. V. Baranyuk, A. Andreev, A. Kondratyev, J. Y. Takekawa, and N. Mita. 1995. Study on the restoration of snow geese to northeast Asia using a miniature satellite transmitter. Telecommunication Advancement Foundation Res. 9:518-541 (in Japanese). [Journal Article]

Orthmeyer, D. L, and J. Y. Takekawa. 1995. Habitat preferences for greater white-fronted geese in the Sacramento Valley, California. Eighth North American Arctic Goose Conference. Albuquerque, NM. [Poster]

Hohman, W. L, G. M. Haramis, D. G. Jorde, C. E. Korschgen, and J. Y. Takekawa. 1995. Canvasback ducks. Pages 40-43 in E. T. LaRoe, G. S. Farris, C. F. Puckett, P. D. Doren, and M. J. Mac (eds.). Our living resources. U. S. Dep. Int., Nat. Biol. Serv., Washington, D. C. [Book Chapter]

Orthmeyer, D. L., J. Y. Takekawa, C. R. Ely, M. L. Wege, and W. E. Newton. 1995. Morphological differences in Pacific coast populations of greater white-fronted geese. Condor 97:123-132. [Journal Article]

Brault, S., S. Boyd, F. Cooke, and J. Y. Takekawa. 1994. Population models as tools for research cooperation and management: the Wrangel Island snow geese. Trans. N. Am. Wildl. Natur. Resour. Conf. 59:79-90. [Proceedings]

Takekawa, J. Y., and H. R. Carter. 1994. Conserving Beringia's avian legacy. Coast and Ocean (Autumn):28-37. [Popular Publication]

Takekawa, J. Y., M. Kurechi, E. Syroechkovsky, V. V. Baranyuk, A. Andreev, D. L. Orthmeyer, Y. Sabano, and K. Litvin. 1994. Restoration of lesser snow geese to East Asia: a North Pacific Rim conservation project. Transactions of the North American Wildlife and Natural Resources Conference 59:132-145. [Journal Article]

Takekawa, J. Y., and D. L. Orthmeyer. 1993. A simple morphometric method to distinguish tule and Pacific subspecies of greater white-fronted geese. U. S. Fish and Wildl. Serv., Research Information Bulletin. No. 84. 2pp. [Technical Report]

Ely, C. R., J. Y. Takekawa, and M. L. Wege. 1993. Distribution, abundance, and age ratios of Wrangel Island lesser snow geese Anser caerulescens during autumn migration on the Yukon-Kuskokwim Delta, Alaska. Wildfowl 44:24-32. [Journal Article]

Konrad, P. M. 1993. Satellite ornithology: researchers track snow geese from Russia to California by satellite radio telemetry -- an interview with John Takekawa, Ph.D. Wild Bird 7(4):32-33. [Popular Publication]

Fleskes, J., J. Takekawa and D. Orthmeyer. 1992. A simplified radio-controlled detonator for rocket net traps. U.S. Fish Wildl. Serv., Research Information Bulletin. No. 10. 3pp. [Newsletter]

Douglas, D., J. Y. Takekawa, and M. Udevitz. 1992. Successful performance of satellite transmitters attached to migrating lesser snow geese. U. S. Dep. Int., Fish and Wildl. Serv. Res. Info. Bull. 92-30. [Technical Report]

Frederick, R. B., W. R. Clark, and J. Y. Takekawa. 1992. Application of a computer simulation model to migrating white-fronted geese in the Klamath Basin. Pages 696-706 in D. R. McCollough and R. H. Barrett (eds.), Wildlife 2001: populations. Elsevier, NY. [Book Chapter]

Greenier, J. L., and J. Y. Takekawa. 1992. Growth models and food conversion of cultured juvenile red abalone (Haliotis rufescens). Pages 527-537 in S. A. Shepherd, M. J. Tegner, and S. A. Guzman del Proo (eds.). Abalone of the world. Blackwell Scientific Publ. Ltd. Oxford. [Book Chapter]

Mensik, G. R., and J. Y. Takekawa. 1991. White-fronts...on the way back! California Waterfowl 17(2):36-38. [Popular Publication]

Orthmeyer, D. L., J. Y. Takekawa, M. R. Miller, J. P. Fleskes, D. S. Gilmer, M. L. Casazza, L. Strong. 1990. Dynamics of wintering waterfowl habitats in the Sacramento Valley and Sacramento-San Joaquin river delta, 1989-1990. Progress report. U.S. Fish and Wildlife Service, Northern Prairie Wildlife Research Center, Dixon Field Station, Dixon,CA. 33pp. [Technical Report]

Takekawa, J. Y., and C. R. Ely. 1990. Distribution of Pacific Flyway greater white-fronted geese in Mexico. U. S. Dep. Int., Fish and Wildl. Serv., Res. Info. Bull. 90-81. 4pp. [Technical Report]

Takekawa, J.Y. 1990. San Francisco Bay Aerial Waterfowl Surveys 1988-1990. (Database). [Database Spatial]

Orthmeyer, D. L., J.Y.Takekawa, M. R. Miller, J. P. Fleskes, D. S. Gilmer, M. L. Casazza, L. Strong. 1989. Dynamics of wintering waterfowl habitats in the Sacramento Valley and Sacramento-San Joaquin river delta 1988-1989. Progress report. U.S. Fish and Wildlife Service, Northern Prairie Wildlife Research Center, Dixon Field Station, Dixon,CA. 33pp. [Technical Report]

Takekawa, J.Y., K.A. Gonzalez, D.L. Orthmeyer, J.P. Fleskes, D.S. Gilmer, W.R. Clark, R.B. Frederick, and E.E. Klaas. 1989. Dynamics and energetics of the Pacific greater white-fronted goose population wintering in California. Progress report. Wildlife Research Field Station, Dixon, California. 58 pp. [Technical Report]

Miller, M.R., J. Takekawa, J. Fleskes, and D. Orthmeyer. 1988. U.S. Fish & Wildlife Service continues pintail and white-fronted goose telemetry studies in California. Page 50 in California Waterfowl, Fall 1988. [Popular Publication]

Takekawa, J. Y. 1987. Energetics of canvasbacks staging on an upper Mississippi River pool during fall migration. Ph.D. Dissertation. Iowa State University. Ames. 189pp. [Thesis/Dissertation]

Miller, M. R., J. Y. Takekawa, and J. P. Fleskes. 1987. Follow that bird! California Waterfowl 13(2):5. [Popular Publication]

Takekawa, J. Y., and E. O. Garton. 1984. How much is an evening grosbeak worth? J. Forestry 82(7):426-427. [Journal Article]

Garton, E. O., L. A. Langelier, and J. Y. Takekawa. 1984. Insects may develop immunity to pesticides--not to being eaten. Focus on Renewable Resources 9:7. [Popular Publication]

Takekawa, J. Y. 1982. The potential for biological control management of forest insects with avian predators. Unpubl. Master's Thesis. University of Idaho. Moscow. 88pp. [Thesis/Dissertation]

Takekawa, J. Y., E. O. Garton, and L. A. Langelier. 1982. Biological control of forest insect outbreaks: the use of avian predators. Trans. N. Am. Wild. Conf. 47:393-409. [Proceedings]


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