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CIFOR-ICRAF s’attaque aux défis et aux opportunités locales tout en apportant des solutions aux problèmes mondiaux concernant les forêts, les paysages, les populations et la planète.

Nous fournissons des preuves et des solutions concrètes pour transformer l’utilisation des terres et la production alimentaire : conserver et restaurer les écosystèmes, répondre aux crises mondiales du climat, de la malnutrition, de la biodiversité et de la désertification. En bref, nous améliorons la vie des populations.

CIFOR–ICRAF publishes over 750 publications every year on agroforestry, forests and climate change, landscape restoration, rights, forest policy and much more – in multiple languages.

CIFOR–ICRAF addresses local challenges and opportunities while providing solutions to global problems for forests, landscapes, people and the planet.

We deliver actionable evidence and solutions to transform how land is used and how food is produced: conserving and restoring ecosystems, responding to the global climate, malnutrition, biodiversity and desertification crises. In short, improving people’s lives.

Shortcuts for Biodiversity Conservation Planning: The Effectiveness of Surrogates

Exporter la citation

Biodiversity is not completely known anywhere, so conservation planning is always based on surrogates for which data are available and, hence, assumed effective for the conservation of unknown biodiversity. We review the literature on the effectiveness of surrogates for conservation planning based on complementary representation. We apply a standardized approach based on a Species Accumulation Index of surrogate effectiveness to compare results from 575 tests in 27 studies. Overall, we find positive, but relatively weak, surrogacy power. Cross-taxon surrogates are substantially more effective than surrogates based on environmental data. Within cross-taxon tests, surrogacy was higher for tests within the same realm (terrestrial, marine, freshwater). Surrogacy was higher when extrapolated (rather than field) data were used. Our results suggest that practical conservation planning based on data for well-known taxonomic groups can cautiously proceed under the assumption that it captures species in less well-known taxa, at least within the same realm.

DOI:
https://doi.org/10.1146/annurev.ecolsys.38.091206.095737
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    Année de publication

    2007

    Auteurs

    Rodrigues, A.S.; Brooks, T.M.

    Langue

    English

    Mots clés

    biodiversity, species, data, conservation, surrogacy

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