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    The sensory mediation of symbiosis between hyperiid amphipods and salps

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    Diebel_thesis.pdf (4.393Mb)
    Date
    1988-03
    Author
    Diebel, Carol E.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/4623
    Location
    Western North Atlantic
    Central North Atlantic
    Tongue of the Ocean
    DOI
    10.1575/1912/4623
    Keyword
     Salpa; Hyperiidae; Oceanus (Ship : 1975-) Cruise OC177; Oceanus (Ship : 1975-) Cruise OC165; Oceanus (Ship : 1975-) Cruise OC170; Calanus (Ship) Cruise 87-07; Calanus (Ship) Cruise 85-07 
    Abstract
    Hyperiid amphipods are open ocean crustaceans which use gelatinous planktonic animals for food, shelter, and brooding space for their offspring. These associations involve varying degrees of host specificity; and there are few obvious correlations between gross morphology of the amphipods and the types of host they choose. The mechanisms which allow hyperiids to find and select specific hosts in the water column were investigated through the sensory and behavioral basis of these symbioses in three genera of hyperiids, Vibilia, Lycaea, and Phronima, which differ in the nature of their association with a common host - salps. The investigation included the description of the distribution and morphology of sensilla on the dorsal surface of the exoskeleton and antennules of the three genera of hyperiids with speculation on their functions. The ultrastructure of the aesthetasc. sensilla of Vibilia sp. was determined for comparison with other crustacean aesthetasc sensilla, making a chemosensory function plausible. Behavioral experiments were conducted at sea which demonstrated a chemosensory basis for the host-specific associations between species of Vibilia and Lycaea and salps. Observations on the internal anatomy and behavior of Phronima are described which underscore the importance of salps to their general ecology.
    Description
    Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution March 1988
    Collections
    • Biology
    • WHOI Theses
    Suggested Citation
    Thesis: Diebel, Carol E., "The sensory mediation of symbiosis between hyperiid amphipods and salps", 1988-03, DOI:10.1575/1912/4623, https://hdl.handle.net/1912/4623
     

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