Abstract
Within the endemic invertebrate faunas of hydrothermal vents, five biogeographic provinces are recognized. Invertebrates at two Indian Ocean vent fields (Kairei and Edmond) belong to a sixth province, despite ecological settings and invertebrate-bacterial symbioses similar to those of both western Pacific and Atlantic vents. Most organisms found at these Indian Ocean vent fields have evolutionary affinities with western Pacific vent faunas, but a shrimp that ecologically dominates Indian Ocean vents closely resembles its Mid-Atlantic counterpart. These findings contribute to a global assessment of the biogeography of chemosynthetic faunas and indicate that the Indian Ocean vent community follows asymmetric assembly rules biased toward Pacific evolutionary alliances.
Publication types
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Animals
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Bacteria / classification
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Bacteria / isolation & purification
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Bacterial Physiological Phenomena*
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Biological Evolution
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Biomass
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Decapoda / classification
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Decapoda / physiology
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Ecosystem*
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Euryarchaeota / classification
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Euryarchaeota / isolation & purification
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Euryarchaeota / physiology
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Geography
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Geologic Sediments* / microbiology
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Hot Temperature
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Invertebrates / classification
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Invertebrates / microbiology
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Invertebrates / physiology*
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Molecular Sequence Data
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Mollusca / classification
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Mollusca / physiology
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Oceans and Seas
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Seawater
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Symbiosis
Associated data
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GENBANK/AF399959
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GENBANK/AF399960
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GENBANK/AF399961
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GENBANK/AF399962
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GENBANK/AF399963
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GENBANK/AF399964
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GENBANK/AF401175
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GENBANK/AY045277
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GENBANK/AY045278
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GENBANK/AY045279