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Shell Selection and Invasion Rates of Some Pacific Hermit Crabs
|Title:||Shell Selection and Invasion Rates of Some Pacific Hermit Crabs|
|Authors:||Orians, Gordon H.|
King, Charles E.
|Issue Date:||Jul 1964|
|Publisher:||University of Hawai'i Press|
|Citation:||Orians GH, King CE. 1964. Shell selection and invasion rates of some Pacific hermit crabs. Pac Sci 18(3): 297-306.|
|Abstract:||Three species of littoral hermit crabs from Horseshoe Cove, Bodega
Head, Sonoma County, California, and three sublittoral pagurids from Chinimi
Island, Eniwetok Atoll, Marshall Islands, have been examined with respect to their
shell selection and invasion rates.
Periodic removal of crabs from marked areas resulted in immigrations of
surprising magnitude. By comparison of actual collection patterns with those
predictable from the alternates of density dependence and density independence,
there is an indication that the observed immigration rates result from density dependent
dispersal. While our data are not conclusive, the method presented is of
interest and of possible utility for examining problems of this nature.
Shell selection is discussed from the bases of both laboratory and field observations.
Each of the species is shown to utilize the shells of different gastropods with
Finally, behavioral aspects are examined as they relate to the distribution of the
California hermit crabs.
|Appears in Collections:||Pacific Science Volume 18, Number 3, 1964|
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