Cold-water coral reefs and adjacent sponge grounds: hotspots of benthic respiration and organic carbon cycling in the deep sea
Cold-water coral reefs and adjacent sponge grounds are distributed widely in the deep
ocean, where only a small fraction of the surface productivity reaches the seafloor as
detritus. It remains elusive how these hotspots of biodiversity can thrive in such a food-
limited environment, as data on energy flow and organic carbon utilization are critically
lacking. Here we report in situ community respiration rates for cold-water coral and sponge
ecosystems obtained by the non-invasive aquatic Eddy Correlation technique. Oxygen …
ocean, where only a small fraction of the surface productivity reaches the seafloor as
detritus. It remains elusive how these hotspots of biodiversity can thrive in such a food-
limited environment, as data on energy flow and organic carbon utilization are critically
lacking. Here we report in situ community respiration rates for cold-water coral and sponge
ecosystems obtained by the non-invasive aquatic Eddy Correlation technique. Oxygen …
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