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- Title
Why geese benefit from the transition from natural vegetation to agriculture.
- Authors
Fox, Anthony; Abraham, Kenneth
- Abstract
The energy and nutrient content of most agricultural crops are as good as or superior to natural foods for wild geese and they tend to be available in agricultural landscapes in far greater abundance. Artificial grasslands (fertilised native swards and intensively managed reseeds) offer far superior quality forage and higher intake rates than seminatural or natural grasslands. The availability of such abundant artificial food explains the abandonment of traditional habitats for farmland by geese over the last 50-100 years and favours no reduction in current levels of exploitation of agriculture. Continental scale spatial and temporal shifts among geese undergoing spring fattening confirm their flexibility to respond rapidly to broadscale changes in agriculture. These dramatic changes support the hypothesis that use of agricultural landscapes has contributed to elevated reproductive success and that European and North American farmland currently provides unrestricted winter carrying capacity for goose populations formerly limited by wetlands habitats prior to the agrarian revolution of the last century.
- Subjects
GOOSE behavior; ANIMAL nutrition; VEGETATION management; AGRICULTURE; ARTIFICIAL foods
- Publication
AMBIO - A Journal of the Human Environment, 2017, Vol 46, p188
- ISSN
0044-7447
- Publication type
Article
- DOI
10.1007/s13280-016-0879-1