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• W1987907817 abstract "MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsTheme Sections MEPS 406:211-222 (2010) - DOI: https://doi.org/10.3354/meps08521 Taxonomic resolution needed to describe invertebrate assemblages and to detect harvesting effects on coral reef ecosystems H. Jimenez1,*, P. Dumas1, L. Bigot2, J. M. Amouroux3, J. Ferraris4 1Institut de Recherche pour le Développement (IRD), Centre IRD de Noumea, BP A5, 98848 Noumea Cedex, New Caledonia 2Laboratoire d’Ecologie Marine, ECOMAR, Université de La Réunion, Avenue René Cassin, BP 7151, 97715 Saint Denis Cedex, Reunion Island, France 3Laboratoire d’Océanographie Biologique de Banyuls, UMR 7621, CNRS–Université Paris VI, BP 44, 66651 Banyuls-sur-Mer Cedex, France 4Institut de Recherche pour le Développement (IRD), Université de Perpignan, 52 avenue Paul Alduy, 66860 Perpignan, France *Email: haizea.jimenez@ird.fr ABSTRACT: Due to the cost and time required for species identification, the taxonomic sufficiency approach has been developed in order to detect community response to a disturbance, using high taxonomic level without great loss of information. This concept has been widely applied to pollution monitoring studies but rarely to other forms of perturbations such as anthropogenic exploitation of marine resources. We applied this method both to soft-bottom (seagrasses) and hard-bottom (coralline) tropical invertebrate communities in New Caledonia, South Pacific. The objective was to test whether intermediate or high taxonomic levels (genus, family, class or phylum instead of species) are good descriptors of community patterns and changes in assemblages related to harvesting, by comparing harvested to non-harvested areas for the 2 habitats. We pooled species data into coarser taxonomic categories (from genus to phylum) and showed that matrices at different taxonomic resolutions were highly correlated, particularly for genus and family level for both habitats. Differences between harvested and non-harvested locations appeared to be clearly habitat-dependent; for soft habitats, genus and family resolution allowed the detection of changes between exploited and protected assemblages, while for hard habitats, the separation between harvested and non-harvested areas was less clear at high taxonomic level and required species-level identifications. These results suggest that the taxonomic sufficiency approach could be carefully applied to poorly known environments. Family level is a good descriptor of community composition for tropical reef invertebrates. Detecting changes due to anthropogenic exploitation requires different taxonomic resolutions depending on the considered habitat. KEY WORDS: Taxonomic resolution · Data transformation · Tropical reef invertebrates · Harvesting effect · Marine protected areas Full text in pdf format PreviousNextCite this article as: Jimenez H, Dumas P, Bigot L, Amouroux JM, Ferraris J (2010) Taxonomic resolution needed to describe invertebrate assemblages and to detect harvesting effects on coral reef ecosystems. Mar Ecol Prog Ser 406:211-222. https://doi.org/10.3354/meps08521Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in MEPS Vol. 406. Online publication date: May 10, 2010 Print ISSN: 0171-8630; Online ISSN: 1616-1599 Copyright © 2010 Inter-Research." @default.
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• W1987907817 title "Taxonomic resolution needed to describe invertebrate assemblages and to detect harvesting effects on coral reef ecosystems" @default.
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