Index Catalog // ScholarsArchive@OSU

A bioenergetics model to evaluate demographic consequences of disturbance in marine mammals applied to gray whales

Creator:: Villegas-Amtmann, S., Schwarz, L. K., Sumich, J. L., and Costa, D. P.
Abstract:: While sophisticated tools are used to monitor behavioral changes of large marine vertebrates, determining whether these changes are meaningful for management and conservation is challenging. The Population Consequences of Disturbance model proposed a bioenergetics model to detect biologically meaningful population responses, where disturbance costs are linked to lost energy. The...
Resource Type:: Article
Full Text:: estimated from the relationship between M, girth (G in meters), and L M ¼ 28:5 � G1:17 � L1:73: ð4Þ This

Recruitment, Growth and Mortality of an Antarctic Hexactinellid Sponge, Anoxycalyx joubini

Creator:: Dayton, Paul K., Kim, Stacy, Jarrell, Shannon C., Oliver, John S., Hammerstrom, Kamille, Fisher, Jennifer L., O'Connor, Kevin, Barber, Julie S., Robilliard, Gordon, Barry, James, Thurber, Andrew R., and Conlan, Kathy
Abstract:: Polar ecosystems are sensitive to climate forcing, and we often lack baselines to evaluate changes. Here we report a nearly 50-year study in which a sudden shift in the population dynamics of an ecologically important, structure-forming hexactinellid sponge, Anoxycalyx joubini was observed. This is the largest Antarctic sponge, with individuals...
Resource Type:: Article
Full Text:: States of America, 3 Hatfield Marine Science Center, Newport, Oregon, United States of America, 4

Circumpolar Diversity and Geographic Differentiation of mtDNA in the Critically Endangered Antarctic Blue Whale (Balaenoptera musculus intermedia)

Creator:: Sremba, Angela L., Hancock-Hanser, Brittany, Branch, Trevor A., LeDuc, Rick L., and Baker, C. Scott
Abstract:: The Antarctic blue whale (Balaenoptera musculus intermedia) was hunted to near extinction between 1904 and 1972, declining from an estimated initial abundance of more than 250,000 to fewer than 400. Here, we describe mtDNA control region diversity and geographic differentiation in the surviving population of the Antarctic blue whale, using...
Resource Type:: Article
Full Text:: Department of Fisheries and Wildlife and Marine Mammal Institute, Oregon State University, Hatfield Marine

Density Can Be Misleading for Low-Density Species: Benefits of Passive Acoustic Monitoring

Creator:: Rogers, Tracey L., Ciaglia, Michaela B., Klinck, Holger, and Southwell, Colin
Abstract:: Climate-induced changes may be more substantial within the marine environment, where following ecological change is logistically difficult, and typically expensive. As marine animals tend to produce stereotyped, long-range signals, they are ideal for repeatable surveying. In this study we illustrate the potential for calling rates to be used as a...
Resource Type:: Article
Full Text:: , Hatfield Marine Science Center, Newport, Oregon, United States of America, 3 Australian Antarctic Division

Long-term individual sighting history database: an effective tool to monitor satellite tag effects on cetaceans

Creator:: Gendron, D., Serrano, I. Martinez, de la Cruz, A. Ugalde, Calambokidis, J., and Mate, B.
Abstract:: During the last 3 decades, tagging technology has been used to study different aspects of cetacean ecology. Tags implanted in animal’s blubber, muscle and surrounding tissue have produced successful results, providing information on long-term movements. However, apart from the reports of ‘divots’ (depressions) and swelling at the tag sites in...
Resource Type:: Article
Full Text:: 4th Ave, Olympia, Washington 98501, USA 4Marine Mammal Institute, Oregon State University, Hatfield

Elemental Markers in Elasmobranchs: Effects of Environmental History and Growth on Vertebral Chemistry

Creator:: Smith, Wade D., Miller, Jessica A., and Heppell, Selina S.
Abstract:: Differences in the chemical composition of calcified skeletal structures (e.g. shells, otoliths) have proven useful for reconstructing the environmental history of many marine species. However, the extent to which ambient environmental conditions can be inferred from the elemental signatures within the vertebrae of elasmobranchs (sharks, skates, rays) has not been...
Resource Type:: Article
Full Text:: Department of Fisheries and Wildlife, Hatfield Marine Science Center, Oregon State University, Newport

Critically low abundance and limits to human-related mortality for the Maui's dolphin

Creator:: Hamner, Rebecca M., Wade, Paul, Oremus, Marc, Stanley, Martin, Brown, Phillip, Constantine, Rochelle, and Baker, C. Scott
Abstract:: The New Zealand endemic Maui’s dolphin Cephalorhynchus hectori maui is characterized by several life history traits thought to be important predictors of extinction risk in marine mammals, including a slow rate of reproduction, small geographic range, small group size, and coastal distribution. We continued the genetic monitoring of the remnant...
Resource Type:: Article
Full Text:: Mammal Institute and Department of Fisheries and Wildlife, Oregon State University, Hatfield Marine

Farm Zoning and Fairness in Oregon 1964 - 2014

Creator:: Richmond, Henry R. and Houchen, Timothy G.
Abstract:: Senate Bill 100 (1973) and the Oregon Land Conservation and Development Commission’s (LCDC) goals (1975) required: - Cities to adopt urban growth boundaries (UGBs) to contain sprawl, and - Counties to use zoning to limit 15.6 million acres of farmland to farm use, and 8.0 million acres of forest land...
Resource Type:: Technical Report
Full Text:: Institute Portland, Oregon by Henry R. Richmond Timothy G. Houchen February 19, 2015 Dedication

The α-Tocopherol Transfer Protein Is Essential for Vertebrate Embryogenesis

Creator:: Miller, Galen W., Ulatowski, Lynn, Labut, Edwin M., Lebold, Katie M., Manor, Danny, Atkinson, Jeffrey, Barton, Carrie L., Tanguay, Robert L., and Traber, Maret G.
Abstract:: The hepatic α-tocopherol transfer protein (TTP) is required for optimal α-tocopherol bioavailability in humans; mutations in the human TTPA gene result in the heritable disorder ataxia with vitamin E deficiency (AVED, OMIM #277460). TTP is also expressed in mammalian uterine and placental cells and in the human embryonic yolk-sac, underscoring...
Resource Type:: Article
Full Text:: , Danny Manor6,7, Jeffrey Atkinson8, Carrie L. Barton4, Robert L. Tanguay2,4,5, Maret G. Traber1,2,3,5

A Phylogenetic Perspective on the Individual Species- Area Relationship in Temperate and Tropical Tree Communities

Creator:: Yang, Jie, Swenson, Nathan G., Cao, Min, Chuyong, George B., Ewango, Corneille E. N., Howe, Robert, Kenfack, David, Thomas, Duncan, Wolf, Amy, and Lin, Luxiang
Abstract:: Ecologists have historically used species-area relationships (SARs) as a tool to understand the spatial distribution of species. Recent work has extended SARs to focus on individual-level distributions to generate individual species area relationships (ISARs). The ISAR approach quantifies whether individuals of a species tend have more or less species richness...
Resource Type:: Article
Full Text:: Individual Species- Area Relationship in Temperate and Tropical Tree Communities Jie Yang1,2, Nathan G

ScholarsArchive@OSU

A bioenergetics model to evaluate demographic consequences of disturbance in marine mammals applied to gray whales

Recruitment, Growth and Mortality of an Antarctic Hexactinellid Sponge, Anoxycalyx joubini

Circumpolar Diversity and Geographic Differentiation of mtDNA in the Critically Endangered Antarctic Blue Whale (Balaenoptera musculus intermedia)

Density Can Be Misleading for Low-Density Species: Benefits of Passive Acoustic Monitoring

Long-term individual sighting history database: an effective tool to monitor satellite tag effects on cetaceans

Elemental Markers in Elasmobranchs: Effects of Environmental History and Growth on Vertebral Chemistry

Critically low abundance and limits to human-related mortality for the Maui's dolphin

Farm Zoning and Fairness in Oregon 1964 - 2014

The α-Tocopherol Transfer Protein Is Essential for Vertebrate Embryogenesis

A Phylogenetic Perspective on the Individual Species- Area Relationship in Temperate and Tropical Tree Communities

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