Population Limitation in Birds
This book meets the demand for a comprehensive introduction to understanding the processes of population limitation. Recognized world-wide as a respected biologist and communicator, Dr. Ian Newton has now written a clear and detailed treatise on local scale population limiting factors in birds. It is based almost entirely on results from field studies, though it is set in a contemporary theoretical framework. The 16 chapters fall under three major section headings: Behavior and Density Regulation; Natural Limiting Factors; and Human Impacts. Population Limitation in Birds serves as a needed resource expanding on Dr. David Lacks research in this area of ornithology in the 1950s. It includes numerous line diagrams and beautiful illustrations by acclaimed wildlife artist Keith Brockie.
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abundance Accipiter adults annual areas bird numbers bird populations bird species birds Black Grouse Blue Tits breeding density breeding numbers breeding season breeding success Britain cause changes Chapter chicks Cliff Swallows Coal Tit colonies competition density-dependent depends disease ducks effects eggs evidence example experimental experiments extinction factors Falco feeding females Figure fluctuations Flycatcher food-shortage food-supply forest geese Grey Partridge gulls habitat patches harvest host House Sparrow hunting increased individuals influence insects involved islands killed Lagopus limited loss mainly males metapopulation mortality natural nest success nest-boxes nest-sites Newton non-breeding non-territorial North America occupied occur organochlorines Oystercatcher pairs parasites Partridge patterns Perdix period pesticides population decline population levels predation prey proportion range raptors rates Red Grouse reduced regions removed reproductive result Ring-necked Pheasant seabirds songbirds Sparrow Sparrowhawk studies survival Tawny Owl territorial behaviour Tit Parus major trees various Warbler waterfowl Willow Tit winter woods
Page 2 - The aim of this book, as stated in the preface, is "to present an engineering text on frequency modulation covering both basic principles and the design of commercial apparatus.
Page 27 - One of the most urgent requirements in avian population research is for more work in extensive areas of natural habitat before such areas are gone forever. Only then can we tell the full extent of human influence on population phenomena, and view our findings in a more appropriate perspective.
Page 40 - Roosts near the smallest mud flats were smaller, but also included a higher proportion of juveniles, immatures and males (which are smaller than females). There was other evidence that these roosts contained birds of poorer quality - birds of each age-class were, on average, significantly below their expected weight - and also contained more birds with deformed bills.
Page 42 - Larus atricilla were found to be much less successful than adults when plunge diving for fish, slightly less successful when aerial dipping, and equally successful when catching offal in the air (Burger & Gochfield 1983).
Page ix - The Natural Regulation of Animal Numbers' (1954) and 'Population studies of birds' (1966), did much to stimulate research on bird populations years ago.