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Temporal and spatial variation in the reproductive ecology of the vent-endemic amphipod Ventiella sulfuris in the eastern Pacific

Publication ,  Journal Article
Sheader, M; Van Dover, CL
Published in: Marine Ecology Progress Series
February 16, 2007

Populations of the vent-endemic amphipod Ventiella sulfuris were compared from 6 East Pacific Rise (EPR) vent sites of different ages, 3 from the northern EPR and 3 from the southern EPR. Although vent age affected amphipod abundance, with no individuals at the oldest vent, other population/reproductive parameters were found to be site dependent rather than vent age dependent. There was little within-site variation in population structure and reproductive output, probably the result of high within-site motility. However, there were significant between-site and between-field differences, indicating a high degree of population and reproductive variability and a moderate degree of vent fidelity. Since population structure and reproductive output varied between sites, the possibility of their use as biomarkers of vent 'condition' is discussed. The reproductive ecology of V. sulfuris is described for the first time and compared to that of other vent amphipod species. Unlike other species studied, reproductive output is relatively high. Adults move to the periphery of vents to reproduce and brood; after brooding, they moult again, return to feed at vent habitats (e.g. mussel and tube worm beds), and undergo a new phase of gonad maturation and emigration. © Inter-Research 2007.

Duke Scholars

Published In

Marine Ecology Progress Series

DOI

ISSN

0171-8630

Publication Date

February 16, 2007

Volume

331

Start / End Page

181 / 194

Related Subject Headings

  • Marine Biology & Hydrobiology
  • 4102 Ecological applications
  • 3109 Zoology
  • 3103 Ecology
  • 0608 Zoology
  • 0602 Ecology
  • 0405 Oceanography
 

Citation

APA
Chicago
ICMJE
MLA
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Sheader, M., & Van Dover, C. L. (2007). Temporal and spatial variation in the reproductive ecology of the vent-endemic amphipod Ventiella sulfuris in the eastern Pacific. Marine Ecology Progress Series, 331, 181–194. https://doi.org/10.3354/meps331181
Sheader, M., and C. L. Van Dover. “Temporal and spatial variation in the reproductive ecology of the vent-endemic amphipod Ventiella sulfuris in the eastern Pacific.” Marine Ecology Progress Series 331 (February 16, 2007): 181–94. https://doi.org/10.3354/meps331181.
Sheader, M., and C. L. Van Dover. “Temporal and spatial variation in the reproductive ecology of the vent-endemic amphipod Ventiella sulfuris in the eastern Pacific.” Marine Ecology Progress Series, vol. 331, Feb. 2007, pp. 181–94. Scopus, doi:10.3354/meps331181.
Journal cover image

Published In

Marine Ecology Progress Series

DOI

ISSN

0171-8630

Publication Date

February 16, 2007

Volume

331

Start / End Page

181 / 194

Related Subject Headings

  • Marine Biology & Hydrobiology
  • 4102 Ecological applications
  • 3109 Zoology
  • 3103 Ecology
  • 0608 Zoology
  • 0602 Ecology
  • 0405 Oceanography