Identification of Putative Wintering Areas and Ecological Determinants of Population Dynamics of Common House-Martin (Delichon urbicum) and Common Swift (Apus apus) Breeding in Northern Italy
To identify the causes of population decline in migratory birds, researchers must determine the relative influence of environmental changes on population dynamics while the birds are on breeding grounds, wintering grounds, and en route between the two. This is problematic when the wintering areas of...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Resilience Alliance
2011-06-01
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Series: | Avian Conservation and Ecology |
Subjects: | |
Online Access: | http://www.ace-eco.org/vol6/iss1/art3/ |