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Predatory bird populations in the East Mojave Desert, California
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Monitoring Bird Populations by Point Counts
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Impact of pesticides on bird populations
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Effect of forest fragmentation on breeding bird populations in the Piedmont of the mid-Atlantic region
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Monitoring bird population trends in North America
Se ofrece un nuevo metodo para computar las oscilaciones demograficas de las aves a lo largo de los anos. Con los datos suministrados por el proyecto 'Aves nidificantes en Norteamerica' , se indican en la Tabla 1 las pautas de cambio numerico de una serie seleccionada de aves holarticas.
Breeding and wintering bird populations at Cylburn Park and vicinity before the construction of Coldspring Town
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Role of banding data in migratory bird population studies
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Effects of urbanization and type of urban development on bird populations
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Capture-recapture methods for bird population studies
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Migration banding data: A source of information on bird population trends?
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Comparisons of winter bird populations in extensive neotropical forest and in isolated fragments
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Trends in Appalachian bird populations, some speculative notes on the causes, and some thoughts on conservation directions for the region
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Biological objectives for bird populations
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Winter bird-population study. 24. Lightly grazed brackish marsh
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Winter bird population study. 26. Lightly grazed brackish marsh
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