Role of salps in the flux of organic matter to the bottom of the Ligurian Sea |
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Authors: | R. J. Morris Q. Bone R. Head J. C. Braconnot P. Nival |
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Affiliation: | (1) Institut of Oceanographic Sciences, Wormley, GU8 5UB Godalming, Surrey, England;(2) The Laboratory, Marine Biological Association, Citadel Hill, PL1 2PB Plymouth, Devon, England;(3) Station Zoologique, F-06230 Villefranche-sur-Mer, France |
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Abstract: | Sediment-trap samples were collected during and after the occurrence of a salp (Salpa fusiformis) bloom in the Bay of Villefranche, Mediterranean Sea, in April/May 1985. Large amounts of organic aggregates and faecal pellets were collected during the bloom. The aggregates were rich in carbohydrates and mineral grains and had similar rates of sedimentation (900 to 2 100 m d-1) to those of the faecal pellets (1 000 to 2 000 m d-1). The results of mineralogical and organic chemical analyses indicate the potential effect of these mucus-rich aggregates on local biogeochemical fluxes. |
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