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Natural diet and grazing rate of the temperate sponge Dysidea avara (Demospongiae, Dendroceratida) throughout an annual cycle
The results show the importance of particle type (size) for selective uptake in sponges, as well as the relevance of phytoplankton in the sponge diet. Expand
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) Mediterranean… Expand
Reproduction and cycle of gonadal development in the Mediterranean gorgonian Paramuricea clavata
The reproductive biology of this species was studied from 1990 to 1992 off the Medes Islands and spawned eggs adhered, through the action of a mucous coating, to the outer surfaces of the female colonies. Expand
Benthic suspension feeders: their paramount role in littoral marine food webs.
It is proposed that benthic suspension feeders can self-organize to enhance food capture and thus establish boundary systems capable of successfully exploiting a less structured system, namely, the plankton. Expand
Size distribution, density and disturbance in two Mediterranean gorgonians: Paramuricea clavata and Eunicella singularis
The distribution and demography of two representative Mediterranean gorgonian species are examined along a regional spatial scale as well as their response to disturbances, providing insights into management needs in face of the difficulty of having to deal with the population dynamics of very slow-growing threatened species. Expand
Feeding and prey capture cycles in the aposymbiontic gorgonian Paramuhcea clavata
The prey capture rates recorded during a die1 cycle, when extrapolated to an annual cycle, suggest that gorgonians play an important role in littoral food webs and particularly in the flow of energy from the plankton to the benthos. Expand
Temporal variability in abundance of the sea urchins Paracentrotus lividus and Arbacia lixula in the northwestern Mediterranean: comparison between a marine reserve and an unprotected area
Sea urchin populations were monitored in the Medes Islands Marine Reserve (NW Mediterranean) and an adjacent unprotected area in order to (1) describe temporal variability in abundance and population… Expand
Heterogeneous feeding in benthic suspension feeders: the natural diet and grazing rate of the temperate gorgonian Paramuricea clavata (Cnidaria: Octocorallia) over a year cycle
Paramuricea clavata Risso, 1826 (Cnidaria: Octocorallia) is a characteristic species of Mediterranean benthic fauna. The natural diet and prey capture rate of the species were studied in the field at… Expand
Functional convergence of microbes associated with temperate marine sponges.
Most marine sponges establish a persistent association with a wide array of phylogenetically and physiologically diverse microbes. To date, the role of these symbiotic microbial communities in the… Expand