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Filtering by: Creator Hartman, Terryl J. Degree Level Master's Non-Academic Affiliation Oregon State University. Sea Grant College Program

Assessing the Impact of Fishery Bait on Spatiotemporal Variation in the Feeding Ecology of Dungeness Crab (Cancer magister) Using Stable Isotopes, Gut Content Analysis & Fishermen Interviews

Creator:

Harbison, Toby N.

Abstract:

The commercial Dungeness crab (Cancer magister) fishery is Oregon’s largest trap-based fishery. Each year, crab vessels discard millions of pounds of bait, including squid, razor clams, and sardines, into the near-coastal ocean. Although the fishery season typically runs from December 1st through August 14th, most landings occur within the first...

Resource Type:

Masters Thesis

Full Text:

(Gregory 1976). Hartman and Letterman (1978) found diatoms in the guts of Dungeness crab zoea. Those zoea