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Gorda Ridge pp 265-278 | Cite as

Regional-Scale Features of Northeast Pacific, East Pacific Rise, and Gulf of Aden Vent Communities

  • S. Kim Juniper
  • Verena Tunnicliffe
  • Daniel Desbruyères
Conference paper

Abstract

Increasing exploration of sea floor spreading centers is revealing regional-scale differences in the nature of hydrothermal venting. Fluid physicochemical properties, mineral deposition, vent field geology, and recent volcanic history can vary considerably between regions. Comparison of northeast Pacific vent biocenoses with sites at 13° N and 17° S on the EPR and in the westernmost Gulf of Aden reveals differences in community structure and ecological strategies that can be related to interregional differences in venting characteristics. The most distinctive environmental influence on northeast Pacific sites is the extensive mineral deposition, which affects fluid flows, alters the substratum, and poses fouling and detoxication problems for vent organisms. This is likely to be an important habitat feature at active vents on Gorda Ridge, where mineral deposition is also very heavy. Biogeographical constraints are also likely to be an important in determining the nature of Gorda Ridge vent communities.

Keywords

Hydrothermal Activity Hydrothermal Vent Seafloor Spreading Fuca Ridge Guaymas Basin 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag New York Inc. 1990

Authors and Affiliations

  • S. Kim Juniper
  • Verena Tunnicliffe
  • Daniel Desbruyères

There are no affiliations available

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