Biological models for monitoring species decline: the construction and use of data bases
Open Access
- 29 April 1994
- journal article
- Published by The Royal Society in Philosophical Transactions Of The Royal Society B-Biological Sciences
- Vol. 344 (1307) , 69-75
- https://doi.org/10.1098/rstb.1994.0053
Abstract
We describe procedures for designing ecological surveys and analysing survey data which more accurately estimate the spatial distribution patterns of species than the opportunistic or ad hoc biological field collections generally available. Surveys should be based on an environmental stratification, and the data collected should be sufficient to enable statistical estimates of wider spatial distribution patterns to be made from the point sample sites of the survey itself. Without such ecological data bases of high quality, accurate estimates of extinction rates will remain problematical, that is, confined to single populations and geographically restrictedKeywords
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