Population changes of breeding waders on farmland in relation to agri-environment management

Autor:	Jeremy D. Wilson, Mark G. O’Brien
Rok vydání:	2011
Předmět:	education.field_of_study Population response biology Ecology Population biology.organism_classification Vanellus Geography Positive response Abundance (ecology) Tringa Wader education Environment management Ecology Evolution Behavior and Systematics Nature and Landscape Conservation
Zdroj:	Bird Study. 58:399-408
ISSN:	1944-6705 0006-3657
DOI:	10.1080/00063657.2011.608117
Popis:	Capsule Population response of breeding waders to agri-environment management varied between management options and species; implementation has been on too small a scale to reverse national population declines. Aims To test whether numbers of five breeding wader species have shown a more positive response between 1992 and 2005, at sites with appropriate agri-environment management, than at sites that have remained outside such schemes. Methods Using data from 60 pairs of farmland study areas in Scotland first surveyed in 1992/93, before agri-environment scheme (AES) implementation, and again in 2005, after scheme implementation, we tested at both site and field scales whether changes in the abundance of five breeding wader species were associated with AES management options designed to benefit these species. Results Changes in breeding wader abundance were more positive on sites in AES, especially for Northern Lapwings Vanellus vanellus and Common Redshanks Tringa totanus, even though management had not b...
Databáze:	OpenAIRE
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