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Andréfouët Serge, Hamel Mélanie A., Dalleau M. (2012). Distinction between effective pattern-based and selection-based biodiversity surrogates is essential : caveats for managers. Marine Ecology : Progress Series, 452, 287-295. ISSN 0171-8630

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Titre
Distinction between effective pattern-based and selection-based biodiversity surrogates is essential : caveats for managers
Année de publication2012
Type de documentArticle référencé dans le Web of Science WOS:000303213900021
AuteursAndréfouët Serge, Hamel Mélanie A., Dalleau M.
SourceMarine Ecology : Progress Series, 2012, 452, p. 287-295. ISSN 0171-8630
RésuméEcological concepts and data may justify the selection of biodiversity conservation plans among different options, but can also lead to poor conservation guidelines if not properly used. The use and meaning of the 'surrogate' concept in ecology and conservation planning contexts is a typical example. Surrogates are entities such as species, environmental variables or habitats, which are used to represent a target entity such as genes, species, ecosystems or related metrics. 'Pattern-based surrogacy' identifies effective surrogates using statistical congruence, while 'selection-based surrogacy' identifies effective surrogates through a notional conservation plan or prioritization analysis where sites are added to a set of protected areas, often using a complementarity criterion between sites. With this clear framework in mind, an investigation of the coral reef literature revealed that most published studies on surrogates of reef biodiversity refer in fact to pattern-based surrogates. Fundamentally, there is nothing wrong with both approaches. However, efficient pattern-based surrogates are often recommended for conservation planning, implying that they could be efficient selection-based surrogates. In fact, efficient pattern-based surrogates are not necessarily efficient selection-based surrogates and vice versa. The reason is the complementarity rules used by selection algorithms. We call for more clarity from authors on the context in which effective surrogates have to be used, and more caution from managers when surrogates are to be used in conservation plans.
Plan de classementEcologie, systèmes aquatiques [036] ; Télédétection [126]
LocalisationFonds IRD [F B010055862]
Identifiant IRDfdi:010055862
Lien permanenthttp://www.documentation.ird.fr/hor/fdi:010055862

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