A Brine Seep at the East Flower Garden Bank, Northwestern Gulf of Mexico

Autor:	James M. Brooks, Ray D. Lauer, Thomas J. Bright, Paul A. LaRock
Rok vydání:	1980
Předmět:	Flower garden biology Ecology Coralline algae Aquatic Science biology.organism_classification Anoxic waters chemistry.chemical_compound Petroleum seep chemistry Brining Algae Carbonate General Agricultural and Biological Sciences Ecology Evolution Behavior and Systematics Seabed Geology
Zdroj:	Internationale Revue der gesamten Hydrobiologie und Hydrographie. 65:535-549
ISSN:	1522-2632 0020-9309
DOI:	10.1002/iroh.19800650413
Popis:	Dissolution of Triassic-Jurassic, intrusive salt deposits within 150 m of the sea floor produces a hypersaline brine seep (∼200 0/00) at 71 m water depth on the East Flower Garden Bank. The anoxic, sulfide-rich brine supports large populations of sulfur oxidizing bacteria. Toxic effects of the brine on surrounding epifauna, infauna and fishes are limited to the brine and a very narrow surrounding zone. Leafy algae, coralline algae, foraminifers, sponges, bryozoans, anemones, polychaetes, sipunculids, amphipods and pelecypods live on the hard substratum within 2 cm of the brine-seawater interface. Sixty meters from the brine outflow, at dilutions of 50 to 1, the carbonate sand harbors polychaetes, ostracods, nematodes, amphipods, tanaidaceans, isopods, copepods, pelecypods and gastropods. Certain species of fish momentarily enter the brine and brine-seawater mixtures.
Databáze:	OpenAIRE
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