Chemosynthetic ecosystems study. Final report. Volume 2. Technical report
Technical Report
·
OSTI ID:273205
Volume II presents detailed findings of a three year investigation of the geology, chemistry and biology of chemosynthetic ecosystems in the Gulf of Mexico. These dense assemblages of tube worms, mussels and/or clams are primarly dependent upon chemical conditions generated by natural oil and gas seeps. Hydrocarbon seeps produce a variety of distinctive geological features including carbonate rock, mud volcanoes and hydrate mounds, which tend to be localized to areas less than 1 km. The interaction of the sediment bacteria with the hydrocarbons in the seafloor yields a highly specialized chemical environment featuring high levels of hydrogen sulfide and degraded oils. The biological community is supported by chemoautotrophic bacteria that live symbiotically with tube worms, mussels and clams. The bacteria derive energy for fixing new carbon by oxidizing sulfides or methane.
- Research Organization:
- Texas A and M Univ., College Station, TX (United States). Geochemical and Environmental Research Group
- OSTI ID:
- 273205
- Report Number(s):
- PB--96-185798/XAB; CNN: Contract MMS-14-35-0001-30555
- Country of Publication:
- United States
- Language:
- English
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