Seed predation by birds and small mammals in semiarid Chile
Article Abstract:
The spatial and temporal patterns in foraging activity among diurnal birds and nocturnal mammals are investigated at a semiarid site in northern Chile. Avian foraging is highly seasonal due to the migration of birds to the Andean prepuna or to Patagonia during the austral summer.
Publisher: Blackwell Publishers Ltd.
Publication Name: Oikos
Subject: Environmental issues
ISSN: 0030-1299
Year: 2004
Chile, Evaluation, Behavior, Mammals, Birds, Foraging, Foraging (Animal feeding behavior)
Publication Name: Oikos
Subject: Environmental issues
ISSN: 0030-1299
Year: 2004
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Explaining variable costs of the immune response: selection for specific versus non-specific immunity and facultative life history change
Article Abstract:
The cost of immune response provides sufficient selective pressure to produce adaptations that minimize costs under high infection prevalence. The possible mechanisms for maintenance of variation in responses that covary with costs are described.
Publisher: Blackwell Publishers Ltd.
Publication Name: Oikos
Subject: Environmental issues
ISSN: 0030-1299
Year: 2003
Immune response, Immune response regulation
Publication Name: Oikos
Subject: Environmental issues
ISSN: 0030-1299
Year: 2003
User Contributions:
Comment about this article or add new information about this topic:
Subjects list: Analysis, Animal ecology
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