Graduate Project
 

Identification and Distribution of Subtidal and Intertidal Shellfish Populations in Tillamook Bay, Oregon

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https://ir.library.oregonstate.edu/concern/graduate_projects/ks65hj42w

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  • An increase in the commercial and recreational harvest of clams in Tillamook Bay, Oregon, coupled with a general lack of knowledge about the bay's ecology, served as the impetus for a shellfish survey undertaken in the summer of 1995. Commercial clam harvest has increased twelve fold since 1978 (Carter et al 1994). Recreational harvest has nearly tripled since 1993, although it is still far below the recreational harvest from the early 1970s (Johnson pers corn 1995). The 1995 survey served as a precursor to a more extensive survey to be completed in 1996, and was designed to provide a qualitative assessment of clam distribution in the bay. By identifying those areas of the bay that support relatively dense populations of commercially and recreationally important species of clams, this report will assist in the design of the 1996 survey. It encompassed the northern half of the bay, and provided additional information about substrate type, flora, and fauna in the surveyed areas.
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