Reproducibility of the multi-component aspect of species diversity across different areas and scales: towards the constitution of a shortlist of complementary indices for monitoring fish diversity?

Type Article
Date 2010-12
Language English
Author(s) Gaertner Jean-Claude1, Merigot Bastien1, Relini Giulio2, Bertrand Jacques3, Mazouni Nabila4, Politou Chrissi-Yianna5, Gil De Sola Luis6, Kallianiotis Argyris7, Carpentieri Paolo8, Murenu Matteo9, Durbec Jean-Pierre1, Vrgoc Nedo10, Ungaro Nicola11
Affiliation(s) 1 : Univ Aix Marseille 2, Ctr Oceanol Marseille, LMGEM, UMR CNRS 6117, FR-13009 Marseille, France.
2 : Univ Genoa, IT-16126 Genoa, Italy.
3 : Res Ctr Martinique FWI, IFREMER, FR-97231 Pointe Ft, Le Robert, France.
4 : Univ Polynesie Francaise, Lab Biodivers Terr & Marine BIOTEM, Faaa Aeroport 98702, Tahiti, Fr Polynesia.
5 : Hellen Ctr Marine Res, Inst Marine Biol Resources, GR-16777 Agios Kosmas, Helliniko, Greece.
6 : Ctr Oceanog Malaga IEO, ES-29640 Fuengirola, Malaga, Spain.
7 : Natl Agr Res Fdn, Fisheries Res Inst, GR-64007 Kavala, Greece.
8 : Univ Roma La Sapienza, Dept Anim & Human Biol, IT-00185 Rome, Italy.
9 : Univ Cagliari, Dept Anim Biol & Ecol, IT-09126 Cagliari, Italy.
10 : Split Inst Oceanog & Fisheries, HR-21000 Split, Croatia.
11 : Univ Bari, Dept Anim Prod, IT-70125 Bari, Italy.
Source Ecography (0906-7590) (Wiley-blackwell Publishing, Inc), 2010-12 , Vol. 33 , N. 6 , P. 1123-1135
DOI 10.1111/j.1600-0587.2009.06259.x
WOS© Times Cited 15
Abstract Recent theoretical and field studies conducted in both terrestrial and marine ecosystems have suggested that diversity could be a more complex and multi-component concept than previously thought. However, it is still poorly understood to what extent the information provided by the various indices is complementary with regard to diversity, and to what extent this complementarity is reproducible in different situations or at different scales of observation. In the present work, we have analysed the reproducibility of the empirical relationships between 11 diversity indices related to four major aspects (components) of species diversity (species richness, rarity, evenness and species taxonomy) in order to determine whether there is a general pattern of redundancy or complementarity in diversity measures that holds across years, areas and spatial scales. We have applied this approach to groundfish diversity through the analysis of 2404 trawl hauls collected during the first large-scale annual surveys carried out using a single sampling design throughout the northern Mediterranean Sea (ranging from 36.3 to 45.7 degrees N, and 5.3 degrees W to 28 degrees E). Whatever the years, areas and scales studied, we found a strong reproducibility in the number and the nature of the main complementary components of diversity. The whole set of diversity indices considered may be roughly split into 6 complementary groups of descriptors. This result highlights that, in contrast to what is still the usual practice, monitoring diversity should not be based on only one or two of the most widely used components, even at large scale. Finally, in a context where developing tools for monitoring diversity is considered as a high priority worldwide, the strong reproducibility of the relationships between diversity indices we observed offers a basis for discussion of the feasibility and relevance of proposing a general shortlist of indices for monitoring diversity at different management scales.
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Gaertner Jean-Claude, Merigot Bastien, Relini Giulio, Bertrand Jacques, Mazouni Nabila, Politou Chrissi-Yianna, Gil De Sola Luis, Kallianiotis Argyris, Carpentieri Paolo, Murenu Matteo, Durbec Jean-Pierre, Vrgoc Nedo, Ungaro Nicola (2010). Reproducibility of the multi-component aspect of species diversity across different areas and scales: towards the constitution of a shortlist of complementary indices for monitoring fish diversity? Ecography, 33(6), 1123-1135. Publisher's official version : , Open Access version :