2024-03-29T07:15:56Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/588612018-07-20T07:56:40Zcom_10261_88com_10261_8col_10261_341
DIGITAL.CSIC
author
Labrune, C.
author
Grémare, Antoine
author
Amouroux, J. M.
author
Sardá, Rafael
author
Gil, João
author
Taboada, S.
2012-10-25T08:42:17Z
2012-10-25T08:42:17Z
2008-02-15
Helgoland Marine Research 62(3) : 201-214 (2008)
1438-387X
http://hdl.handle.net/10261/58861
10.1007/s10152-008-0108-9
Samples of soft-sediment macrobenthos from
92 sites between 10 and 50 m depth were used to assess (1)
the main soft-bottom macrofauna communities in the Gulf
of Lions, (2) the different components of the diversity of
benthic macrofauna in this area, and (3) the relevance of
the use of major taxonomic groups as surrogates for the
analysis of the structure and diversity of total macrofauna.
Three main communities were identified by cluster analysis
and associated procedures. These communities corresponded well to the assemblages recently identified on the
basis of polychaete composition. The a-diversity indices
were in accordance with those reported for similar communities in the Mediterranean. Conversely, the b-diversity
value was higher than the few other data available in the
literature for marine soft-bottom macrofauna. The total
number of species in the studied area estimated by the
‘‘total species accumulation curve’’ (TS) method was
2,319, which was only 10% higher than the number
obtained by extrapolation of the species–area curve. The
similarity matrix based on polychaetes correlated best with
the one based on total macrofauna. Polychaetes and crustaceans were also the best surrogates of total macrofauna
when assessing a-diversity (except in the case of D*).
Conversely, molluscs were the best surrogates of total
macrofauna b-diversity. Our results show that the choice of
an optimal surrogate for total benthic macrofauna depends
on the characteristic of the benthic macrofauna to be
studied. Moreover, this choice is also dependent on the
environment to be studied
eng
openAccess
Macrobenthos
Community structure
Surrogates
Diversity
Gulf of Lions
Structure and diversity of shallow soft-bottom benthic macrofauna in the Gulf of Lions (NW Mediterranean).
artículo
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