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Image for Towards Developing the Thresholds for Waterbirds That Take into Account Turnover

Towards Developing the Thresholds for Waterbirds That Take into Account Turnover

Atkinson, Phil W., Choquet, R., Frederiksen, M., Gillings, Simon, Pradel, R., Rehfisch, M. M.
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To attain international importance and thus protection as a Ramsar site or as a Special Protection Area (SPA), a wetland site must either "regularly" support at least 20,000 waterbirds or seabirds, or 1 percent of the individuals of a population of a species or subspecies of waterbird.

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Product Details
British Trust for Ornithology
1906204225 / 9781906204228
Hardback
639.978
06/07/2007
United Kingdom
30 pages, 2 tables
210 x 295 mm
Professional & Vocational Learn More
PSVW6 Birds (ornithology), WNCB Wildlife: birds & birdwatching
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