Graduate Project

 

A rapid survey method for native blue mud shrimp (Upogebia pugettensis) and its associated parasitic isopod, Orthione griffenis, in Alsea Bay, Oregon and alternative applications of this methodology Public Deposited

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https://ir.library.oregonstate.edu/concern/graduate_projects/mp48sj411

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  • Declines or extinctions of the native intertidal estuary blue mud shrimp, Upogebia pugettensis, have been observed or are suspected in all of its populations over the species’ range. These declines are associated with the introduced Asian bopyrid isopod parasite, Orthione griffenis, which effectively castrates females. Baseline estimates of population abundances and distributions to measure overall change over their entire species ranges however, are lacking due, in part, to the massive efforts they require. We partially tested a simple rapid method for estimating total numbers and the structures of U. pugettensis and O. griffenis populations in Alsea Bay, Oregon that can be applied to many more populations and may more times per population than was previously possible. Additionally, portions of this novel methodology were used to develop middle school math and science curriculum using guidelines from the Oregon Department of Education's common core state standards. The curriculum will be a valuable addition to the STEM (Science, Technology, Engineering, and Mathematics) initiative, which seeks to develop analytical and problem solving skills of students in these target disciplines through project-based learning.
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