期刊
ICES JOURNAL OF MARINE SCIENCE
卷 65, 期 8, 页码 1520-1526出版社
OXFORD UNIV PRESS
DOI: 10.1093/icesjms/fsn155
关键词
abundance; food supply; indicator; marine health; principal components analysis; productivity; sandeel; seabirds
资金
- Scottish Natural Heritage (SNH)
- Natural Environment Research Council [CEH010021] Funding Source: researchfish
We report on the development of seabird indicators that support the Scottish Biodiversity Strategy. The application of high-quality monitoring data on breeding abundance and productivity in Scotland was explored in three ways: as indicators of seabird status in its own right, as indicators of the health of the marine environment, and as indicators of the food supply of vertebrate predators. Data on breeding productivity of seabirds, which responds more immediately to environmental variation than adult abundance, provided a novel supplement to indicators based solely on abundance trends. Grouping of species according to ecological guilds provided indicators of change in particular aspects of the marine environment. The role of seabird indicators in relation to policy frameworks is discussed, with a look to further developments at the UK and regional scales.
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