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Creator:: Wones, Andrew G.
Abstract:: Carter Lake, a freshwater, coastal dune-margin lake, was sampled at the beginning and end of the summer of 1986 to determine the sediment characteristics and benthic macroinvertebrate abundance, biomass, variety, and diversity. The distributions of major benthic habitats were estimated by snorkeling in June and July, 1986. Water temperature and...
Resource Type:: Masters Thesis
Full Text:: a coastal dune margin lake (Carter Lake, Douglas County, Oregon) AN ABSTRACT OF THE THESIS OF

Creator:: Whitmire, Curt E.
Abstract:: Dramatic declines in many species of demersal fishes off the West Coast have resulted in the designation of nine commercially important species as being overfished. While the causes of those declines are not clearly understood, the fact remains that a paucity of life history and abundance data exists for many...
Resource Type:: Masters Thesis
Full Text:: , Oregon Abstract approved: J. Wright Dramatic declines in many species of demersal fishes off the West

Creator:: Erman, Lisa T.
Abstract:: Hopper dredge disposal of coarse grained sediment was investigated between May and September, 1986, at a designated disposal area, Site G, in Coos Bay, Oregon. The objectives of the study were to: (a) identify and describe the benthic macrofaunal community structure at Site G during May and September, 1986; (b)...
Resource Type:: Masters Thesis
Full Text:: benthic macrofaunal communities in Coos Bay, Oregon Lisa T. Erman AN ABSTRACT OF THE THESIS OF for the

Creator:: Strom, Natalie A.
Abstract:: Structure-forming invertebrates belong to a polyphyletic group of primarily sessile and sedentary megafauna that can significantly enhance the complexity of physical habitats. A number of these organisms, including cold-water corals and sponges, are known to be slow growing and vulnerable to physical disturbance. In addition, as filter feeders, these invertebrates...
Resource Type:: Masters Thesis
Full Text:: Distributions on the Continental Margin of Oregon and Washington. Abstract Approved

Creator:: Lanier, Andrew S.
Abstract:: Multibeam sonar data was collected on Nehalem Bank, off of the Oregon Coast with the purpose of increasing the spatial resolution of our knowledge of the area and delineating seafloor habitats. The system used was the Kongsberg Simrad EM-300 operating at 30 kHz. The data set collected includes both topographic...
Resource Type:: Masters Thesis
Full Text:: , Oregon Abstract approved: Chris Goldfinger Multibeam sonar data was collected on Nehalem

Creator:: Lee, Timothy Seung-chul
Abstract:: Macroinvertebrates constitute the backbone of megafaunal communities in benthic ecosystems around the globe. Many macroinvertebrates have vital roles in benthic ecosystems, ranging from enhancing habitat complexity to providing staple food sources for other organisms. Regardless of how familiar macroinvertebrates are to the general public, very few studies have attempted to...
Resource Type:: Masters Thesis
Full Text:: subtidal macroinvertebrate assemblages off Washington and Oregon based on species-substrata associations

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