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Mass mortality in Northwestern Mediterranean rocky benthic communities: effects of the 2003 heat wave
Late in summer 2003, extensive mass mortality of at least 25 rocky benthic macro-invertebrate species (mainly gorgonians and sponges) was observed in the entire Northwestern (NW) MediterraneanExpand
Survey of deep-dwelling red coral (Corallium rubrum) populations at Cap de Creus (NW Mediterranean)
This study presents, the first quantitative data on the spatial distribution and structure of a population extending between 50 (common SCUBA limits) and 230 m depth, and compared it with shallow populations previously studied in the same area, to confirm that C. rubrum populations above 50 m Depth are exposed to a higher harvesting intensity than deeper populations in thesame area. Expand
The Antarctic-Magellan connection: Macrobenthos ecology on the shelf and upper slope, a progress report
SUMMARY: Ecological work carried out on the Antarctic and Magellan shelves since the first IBMANT conference held at the UMAG, Punta Arenas in 1997 is summarized to identify areas where progress hasExpand
Distribution and reproductive ecology of the Antarctic octocoral Ainigmaptilon antarcticum in the Weddell Sea
The spatial distribution, density and reproductive ecology of Ainigmaptilon antarcticum was studied using samples collected during the EASIZ cruises I, II, and III, using samples taken using Agassiz and bottom trawls in conjunction with a Remotely Operated Vehicle (ROV, video recording transects). Expand
Recovery in Antarctic benthos after iceberg disturbance: trends in benthic composition, abundance and growth forms
Competence, coverage, number of patches and area of sessile benthic fauna, faunal heterogeneity using MDS ordination and identifies 'structural taxa' of each recovery stage are described and changes of growth-form patterns during Antarctic recovery are analyzed. Expand
Missing link in the Southern Ocean: sampling the marine benthic fauna of remote Bouvet Island
Samples taken during the RV “Polarstern" cruise ANTXXI/2 on 3 days in November 2003 and January 2004 are reported to contribute to identifying the role of Bouvet in the faunal exchange between the Sub- and high Antarctic. Expand
A unique assemblage of epibenthic sessile suspension feeders with archaic features in the high-Antarctic
We suggest that the epibenthic communities of passive suspension feeders that dominate some high-Antarctic seafloors present unique archaic features that are the result of long isolation, togetherExpand
A new trophic link between the pelagic and benthic systems on the Antarctic shelf
The results suggest that salps may play an important role as a direct grazer of the phytoplankton produced in the top layers of the water column which, in turn, would be directly transferred to A. bathyproctus. Expand
Persistent natural acidification drives major distribution shifts in marine benthic ecosystems
The results suggest that in addition of significant changes at species level, moderate ocean acidification may entail major shifts in the distribution and dominance of key benthic ecosystems at regional scale, which could have broad ecological and socio-economic implications. Expand
Spatial pattern quantification of Antarctic benthic communities using landscape indices
Antarctic benthos exhibits highly complex communities showing a wide array of spatial patterns at several scales which are poorly quantified. In this study, we introduce the use of methods borrowedExpand