Benthic Communities in Portions of Coos Bay, Oregon Slated for Shipping Channel Expansion and Mitigation

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dc.contributor.advisorYoung, Craig
dc.contributor.authorDePaolis, Matthew
dc.date.accessioned2021-09-13T18:43:12Z
dc.date.available2021-09-13T18:43:12Z
dc.date.issued2021-09-13
dc.description.abstractBenthic communities at four proposed dredge areas within the main navigation channel of the Coos Bay estuary were sampled in November 2020 and February 2021. Trawls and grabs were used to survey benthic and infaunal organisms, respectively. Neither distance from the estuary mouth nor depth were significant variables in predicting the presence of any species surveyed. There was a significant correlation in the November trawls between the presence of the flatfish Pleuronectes vetulus and the shrimp Lissocrangon stylirostris. Dungeness crab, Metacarcinus magister, P. vetulus and L. stylirostris presence were similarly significantly correlated during the February trawls. Shoot density, blade area, and epibiont communities were compared between two eelgrass beds slated for dredging and transplantation. Sites were statistically different in both shoot density and blade area. The sites also exhibited different epibiont communities, one being dominated by Arthropoda and the mitigation site occupied mainly by gastropod molluscs and their egg masses.en_US
dc.identifier.urihttps://hdl.handle.net/1794/26679
dc.language.isoen_US
dc.publisherUniversity of Oregon
dc.rightsAll Rights Reserved.
dc.subjectBenthicen_US
dc.subjectCoos Bayen_US
dc.subjectOregonen_US
dc.subjectDredgeen_US
dc.subjectInfaunalen_US
dc.subjectTransplanten_US
dc.subjectZoestera Marinaen_US
dc.titleBenthic Communities in Portions of Coos Bay, Oregon Slated for Shipping Channel Expansion and Mitigation
dc.typeElectronic Thesis or Dissertation
thesis.degree.disciplineDepartment of Biology
thesis.degree.grantorUniversity of Oregon
thesis.degree.levelmasters
thesis.degree.nameM.S.

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