Open AccessBook
Population Limitation in Birds
Ian Newton,Keith Brockie +1 more
TLDR
This book discusses Habitat and Density Regulation, Habitat Fragments and Metapopulations, and Interactions Between Different Limiting Factors.Abstract:
Preview. Behaviour and Density Regulation: Social Systems and Status. Habitat and Density Regulation. Territorial Behaviour and Density Limitation. Density Dependence in Bird Populations. Habitat Fragments and Metapopulations. Natural Limiting Factors: Food-Supply. Nest-Sites. Predation. Parasites and Pathogens. Weather. Inter-Specific Competition. Interactions Between Different Limiting Factors. Human Impacts: Hunting and Pest Control. Pesticides and Pollutants. Extinction. Bibliography. Index.read more
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Seasonal changes in plasma glucocorticoid concentrations in free-living vertebrates.
TL;DR: This review examines the growing evidence that GC concentrations in free-living reptiles, amphibians, and birds, but not mammals, are commonly elevated during the breeding season and test three hypotheses with different focuses on GC's energetic or behavioral effects, as well as onGC's role in preparing the animal for subsequent stressors.
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The Effects of Urban Patterns on Ecosystem Function
TL;DR: In this article, urban ecological systems are characterized by complex interactions among social, economic, institutional, and environmental variables, and these interactions generate complex human-dominated landscapes, which are then exploited to create complex humandominated landscapes.
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Variation in survivorship of a migratory songbird throughout its annual cycle
TL;DR: Seasonal and annual survival estimates from resightings of colour-ringed individuals on breeding grounds in New Hampshire, USA and on winter quarters in Jamaica, West Indies from 1986 to 1999 were used to calculate warbler survival for the migratory periods.
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The Reactive Scope Model - a new model integrating homeostasis, allostasis, and stress.
TL;DR: The Reactive Scope Model is proposed, an alternate graphical model that builds on the strengths of allostasis and traditional concepts of stress yet addresses many of the criticisms and should be useful to both biomedical researchers studying laboratory animals and humans, as well as ecologists studying stress in free-living animals.
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Declines in insectivorous birds are associated with high neonicotinoid concentrations
TL;DR: The hypothesis that the most widely used neonicotinoid insecticide, imidacloprid, has a negative impact on insectivorous bird populations is investigated and it is shown that, in the Netherlands, local population trends were significantly more negative in areas with higher surface-water concentrations of imidcloprid.