Complementarity as a biodiversity indicator strategy. Export

@article{citeulike:3859114, abstract = {Richness, rarity, endemism and complementarity of indicator taxon species are often used to select conservation areas, which are then assumed to represent most regional biodiversity. Assessments of the degree to which these indicator conservation areas coincide across different taxa have been conducted on a variety of vertebrate, invertebrate and plant groups at a national scale in Britain, Canada, USA and South Africa and at a regional scale in Cameroon, Uganda and the USA. A low degree of spatial overlap among and within these selected indicator conservation areas has been demonstrated. These results tend to suggest that indicator conservation areas display little congruence across different taxa. However, some of these studies demonstrate that many conservation areas for indicator taxa capture a high proportion of non-target species. Thus it appears that indicator conservation areas might sample overall biodiversity efficiently. These indicator conservation areas may, however, exclude species essential for effective conservation, e.g. rare, endemic or endangered species. The present study investigated the value of indicator taxa as biodiversity surrogates using spatial congruence and representativeness of different indicator priority conservation areas. The conservation status of species excluded by the indicator approaches is also assessed. Indicator priority conservation areas demonstrate high land area requirements in order to fully represent non-target species. These results suggest that efficient priority area selection techniques must reach a compromise between maximizing non-target species gains and minimizing land-use requirements. Reserve selection procedures using indicator-based complementarity appear to be approaches which best satisfy this trade-off.}, author = {Reyers, B. and van Jaarsveld, A. S. and Kr\"{u}ger, M.}, citeulike-article-id = {3859114}, citeulike-linkout-0 = {http://dx.doi.org/10.1098/rspb.2000.1029}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/10737409}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=10737409}, day = {7}, doi = {10.1098/rspb.2000.1029}, issn = {0962-8452}, journal = {Proceedings. Biological sciences / The Royal Society}, keywords = {biodiversity, complementarity, conservation, indicator, surrogate}, month = {March}, number = {1442}, pages = {505--513}, posted-at = {2009-01-08 01:55:54}, priority = {2}, title = {Complementarity as a biodiversity indicator strategy.}, url = {http://dx.doi.org/10.1098/rspb.2000.1029}, volume = {267}, year = {2000} }

TY - JOUR ID - citeulike:3859114 L3 - citeulike-article-id:3859114 N2 - Richness, rarity, endemism and complementarity of indicator taxon species are often used to select conservation areas, which are then assumed to represent most regional biodiversity. Assessments of the degree to which these indicator conservation areas coincide across different taxa have been conducted on a variety of vertebrate, invertebrate and plant groups at a national scale in Britain, Canada, USA and South Africa and at a regional scale in Cameroon, Uganda and the USA. A low degree of spatial overlap among and within these selected indicator conservation areas has been demonstrated. These results tend to suggest that indicator conservation areas display little congruence across different taxa. However, some of these studies demonstrate that many conservation areas for indicator taxa capture a high proportion of non-target species. Thus it appears that indicator conservation areas might sample overall biodiversity efficiently. These indicator conservation areas may, however, exclude species essential for effective conservation, e.g. rare, endemic or endangered species. The present study investigated the value of indicator taxa as biodiversity surrogates using spatial congruence and representativeness of different indicator priority conservation areas. The conservation status of species excluded by the indicator approaches is also assessed. Indicator priority conservation areas demonstrate high land area requirements in order to fully represent non-target species. These results suggest that efficient priority area selection techniques must reach a compromise between maximizing non-target species gains and minimizing land-use requirements. Reserve selection procedures using indicator-based complementarity appear to be approaches which best satisfy this trade-off. IS - 1442 JF - Proceedings. Biological sciences / The Royal Society SN - 0962-8452 EP - 513 TI - Complementarity as a biodiversity indicator strategy. VL - 267 SP - 505 KW - biodiversity KW - complementarity KW - conservation KW - indicator KW - surrogate AU - Reyers, B AU - van Jaarsveld, AS AU - Krüger, M PY - 2000/03/07/ UR - http://dx.doi.org/10.1098/rspb.2000.1029 ER -