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Shallow-water sponge grounds along the Apulian coast (central Mediterranean Sea)
Strano, F.; Micaroni, V.; Costa, G.; Bertocci, I.; Bertolino, M. (2020). Shallow-water sponge grounds along the Apulian coast (central Mediterranean Sea). Mar. Biodiv. 50(1): 7. https://dx.doi.org/10.1007/s12526-019-01026-x
In: Marine Biodiversity. Springer: Heidelberg; Berlin. ISSN 1867-1616; e-ISSN 1867-1624, meer
Peer reviewed article  
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    Marien/Kust
Auteurs  Top | Dataset 
  • Strano, F.
  • Micaroni, V.
  • Costa, G.
  • Bertocci, I., meer
  • Bertolino, M.
Abstract
    Sponge grounds are complex three-dimensional benthic habitats dominated by sponges. These sponge-dominated assemblages have been reported worldwide, from the intertidal zone to the deep sea. In shallow euphotic waters, dense sponge aggregations have been mainly found in tropical areas, and their presence is in some cases related to environmental degradation and coral decline. The Mediterranean Sea is globally recognised as a biodiversity hotspot, where light-exposed rocky reefs are typically dominated by photophilous algae. However, high local anthropogenic pressures, coupled with climate change, are leading to the reorganisation of benthic communities and the occurrence of regime shifts in several areas. Here we report the first description of unusual, shallow-water sponge grounds in Mediterranean light-exposed rocky reefs, in an area previously impacted by the destructive date-mussel fishery. These assemblages, found along the Apulian coast (central Mediterranean Sea), are now (2017) characterised by a mean coverage of sponges ranging between 3% and 33%, with maximum values up to 85%. Variation in the structure of assemblages and in the abundance of individual taxa between depths has been tested by multivariate and univariate techniques. The spatial characterisation has been complemented with the taxonomic analysis of the sponge assemblages, which resulted in the identification of 14 sponge taxa. These findings are compared with results of previous research in the same area and discussed with particular reference to the potential variables involved in sponge dominance and spatial distribution in the present system and elsewhere.
Dataset
  • Linares, Cristina; Figuerola, Laura; Gómez-Gras, Daniel; Pagès-Escolà, Marta; Olvera, Àngela, Aubach, Àlex; Amate, Roger; Figuerola, Blanca; Kersting, Diego; Ledoux, Jean-Baptiste; López-Sanz, Àngel; López-Sendino, Paula; Medrano, Alba; Garrabou, Joaquim; (2020); CorMedNet- Distribution and demographic data of habitat-forming invertebrate species from Mediterranean coralligenous assemblages between 1882 and 2019, meer
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