Poster (Scientific congresses and symposiums)
The functional-biogeography of the reef fishes in the Gulf of California: over-importance of a handful of sites
Olivier, Damien; Reyes Bonilla, Hector
2016XIV Congreso de la asociación de investigadores del mar de Cortés, A.C., y VII Simposium internacional sobre el mar de Cortés
 

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Keywords :
conservation; biodiversity; sea of Cortés
Abstract :
[en] Functional biogeography is a new discipline allowing to link biogeographical patterns of trait and species diversity. This new area of research has a role in conservation policy because it permits to create functional maps to highlight hotspots of biodiversity. In this study, we evaluate the taxonomic and functional diversity of the reef-fishes in 30 “archipelagoes” widespread along the Gulf of California (GOC). The question before us is to highlight areas requiring a particular intention in conservation policy because they represent a large part of the legacy of reef-fish diversity in the GOC. To do so, we used a recently developed method to classify the reef-fishes species of the GOC in functional entities (FEs). The FEs are based on unique combinations of six categorical traits known to influence the functional role of fishes (e.g. size, diet…) and their number represent the level of functional diversity of the community. The results showed that the Baja California Sur has the most diversified reef-fishes community, both taxonomically and functionally (more than 90% of the species and of the functional diversity are represented). This result is mainly due to four archipelagoes that present a dazzling diversity, i.e. Carmen, San José, Espiritu Santo and Cerralvo. Each of these islands includes 60% or more of the taxonomic and functional diversity of the GOC. Two of these archipelagoes benefit of a protection level through the National Parks of Loreto and Espiritu Santo. However, the former is poorly functioning and the latter is under evaluation. The outcomes of the present study provide a global map of the reef-fishes diversity through the GOC, in term of species number and functional diversity. These results allow the identification of four major hotspots of diversity that should require a particular attention to preserve the legacy of reef-fishes diversity in the GOC.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Olivier, Damien ;  Université de Liège > R&D Direction : Chercheurs ULiège en mobilité
Reyes Bonilla, Hector;  Universidad Autónoma de Baja California Sur, La Paz (Mexico) > Biología Marina > Laboratorio de Sistema arrecifale
Language :
English
Title :
The functional-biogeography of the reef fishes in the Gulf of California: over-importance of a handful of sites
Publication date :
03 October 2016
Number of pages :
90x60 cm
Event name :
XIV Congreso de la asociación de investigadores del mar de Cortés, A.C., y VII Simposium internacional sobre el mar de Cortés
Event organizer :
La asociación de investigadores del mar de Cortés
Event place :
La Paz, Mexico
Event date :
03/10/2016-06/10/2016
Audience :
International
Name of the research project :
Eco-functional responses of rocky reef fish communities to different levels of human influences.
Funders :
Marie-Curie COFUND
Available on ORBi :
since 11 October 2016

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