期刊
BIODIVERSITY AND CONSERVATION
卷 19, 期 12, 页码 3459-3469出版社
SPRINGER
DOI: 10.1007/s10531-010-9907-9
关键词
Agriculture; Donana; Migration; Shorebird; Wetland
资金
- Junta de Andalucia
- I3P-CSIC grant for the formation of Researchers
Rice fields are an alternative habitat for waterbirds and provide food and shelter for many avian species, but there is a lack of information about how the use of rice fields translates into population level effects. The aim of this study was to test the relationship between the use of rice fields by European waterbirds and trends in their populations. We tested this relationship during the autumn migration season and during the breeding season. Based on counts conducted over the last 23 years in natural marshes and areas of rice fields in Doana (SW Spain), an index of rice field use was constructed for 76 bird species, which was then compared to these species' European population trends obtained from the literature. A positive relationship was found between waterbird population trends and the use of rice fields during autumn migration season. Our study suggests that changes in the Common Agriculture Policy in Europe leading to reductions in areas of rice cultivation may have important effects on waterbirds. The restoration of former marsh areas and the maintenance of rice cultivation would seem to be more environmentally friendly approaches than the use of these areas to grow alternative crops or solar farms.
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