期刊
DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY
卷 56, 期 19-20, 页码 1616-1621出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.dsr2.2009.05.008
关键词
9 degrees 50 ' N East Pacific rise; Diffuse flow chemistry; Riftia pachyptila; Bathymodiolus thermophilus; Tevnia jerichonana
类别
资金
- Division Of Ocean Sciences
- Directorate For Geosciences [937395] Funding Source: National Science Foundation
- Division Of Ocean Sciences
- Directorate For Geosciences [0937324] Funding Source: National Science Foundation
The spatial and temporal distributions of hydrothermal vent organisms are considered to be controlled by a combination of chemical and biological interactions. However, the degree of habitat specificity imposed by fluid chemistry on hydrothermal vent-endemic siboglinid tubeworms Tevnia jerichonana and Riftia pachyptila, as well as the mussel Bathymodiolus thermophilus, remains largely unknown. A comparison of time-series sulfide and temperature data reveals that T. jenichonana primarily inhabit higher temperatures and sulfide concentrations, that B. thermophilus primarily inhabit lower temperatures and sulfide concentrations, and that R. pachyptila habitats overlap the range of temperature and sulfide concentrations observed. Based on these data in combination with previous laboratory studies, we speculate on potential in situ uptake rates of oxygen and sulfide by R. pachyptila. These estimates suggest that R. pachyptila potentially experiences both oxygen and sulfide limitations. The mean uptake rates for areas inhabited by R. pachyptila are favorable for R. pachyptila, while those inhabited by B. thermophilus and T jerichonana appear to be sulfide and oxygen limited, respectively. (C) 2009 Elsevier Ltd. All rights reserved.
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