“Anchoring” and Research Priorities: Factors that Depress Bird Population Estimates?

[摘要] Acknowledgments.—R. I. G. Morrison contributed his time to discuss these issues with me in considerable detail. B. Andres, B. Cade, C. Handel, J. Jorgensen, R. Lanctot, W. Norling, S. Skagen, and T. Stanley reviewed and contributed to earlier versions. R. Lanctot and W. Norling granted permission to cite their unpublished work.—ADRIAN H. FARMER, U.S. Geological Survey, Fort Collins Science Center, 2150 Centre Avenue, Building C, Fort Collins, Colorado 80526, USA. E-mail: [e-mail]

[学科分类] 动物科学