Index Catalog // ScholarsArchive@OSU

Activity patterns and behavior of free-living Nuttall's cottontails

Creator:: Gehman, Steven D.
Abstract:: Population attributes, behavior, and activity patterns of Nuttall's cottontails (Sylvilagus nuttallii) inhabiting a juniper-sagebrush scabland community in central Oregon were studied between June 1980 and August 1981. Cottontails were trapped, marked for individual recognition, and released at their sites of capture. Data collected by periodic trapping and censusing of cottontails...
Resource Type:: Masters Thesis
Full Text:: Activity patterns and behavior of free-living Nuttall's

All in a DNA's work : conservation genetics and monitoring of the New Zealand endemic Maui's and Hector's dolphins

Creator:: Hamner, Rebecca Marie
Abstract:: The critically endangered Maui's dolphin (Cephalorhynchus hectori maui) and the endangered Hector's dolphin (C. h. hectori) are endemic to the coastal waters of New Zealand, where their primary threat is fisheries-related mortality. The Maui's dolphin is among the most critically endangered cetaceans in the world, with its remnant population primarily...
Resource Type:: Dissertation
Full Text:: of this work contributed to the decision by the New Zealand Department of Conservation and Ministry

An analysis of avian communities on a dredged material island

Creator:: Edwards, Daniel K.
Resource Type:: Masters Thesis
Full Text:: stages of an upland plant community near Raleigh, North Carolina. He determined that early successional

An analysis of guild structure of avian communities, Columbia River, Oregon

Creator:: Noyes, Cecilia Lea Barham
Abstract:: Effects of habitat and season on guild structure of avian communities were examined for islands in the estuary zone of the Columbia River, Oregon. Bird species were classified into guilds according to their major food item, typical foraging substrate, and foraging behavior. Variation in community structure indices (number of guilds,...
Resource Type:: Masters Thesis
Full Text:: thorough review of this thesis. Faculty and staff of the Dept. of Fisheries and Wildlife provided various

Applications of slow-moving autonomous platforms for passive acoustic monitoring and density estimation of marine mammals

Creator:: Fregosi, Selene
Abstract:: Advances in mobile autonomous vehicles for oceanographic sensing provide new opportunities for passive acoustic monitoring of marine mammals. Acoustically equipped mobile autonomous platforms, including gliders, deep-water profiling floats, and drifting surface buoys can survey for a variety of marine mammal species over intermediate spatiotemporal scales. Additionally, such mobile platforms may...
Resource Type:: Dissertation
Full Text:: conservation and management Marine mammals are an important component of the marine ecosystem, but

Arribada nesting of olive ridley sea turtles (Lepidochelys olivacea) at La Escobilla, Mexico

Creator:: Ocana, Melissa Ann S.
Abstract:: Olive ridley sea turtles (Lepidochelys olivacea) present an interesting case study of the conservation of wildlife species that aggregate in high densities and have served as resources for human consumption. Ridleys exhibit synchronized mass-nesting behavior, during events called "arribadas," where thousands of females lay eggs together in a small area...
Resource Type:: Masters Thesis
Full Text:: case study of the conservation of wildlife species that aggregate in high densities and have served

Aspects of the foraging ecology of humpback whales (Megaptera novaeangliae) in Frederick Sound and Stephens Passage, Southeast Alaska

Creator:: Szabo, Andrew R.
Abstract:: The North Pacific humpback whale (Megaptera novaeangliae) population has been increasing at an average annual rate of ~6% since the early 1990s. In northern Southeast Alaska alone, there are now more whales than estimated for the entire North Pacific several decades ago. An understanding of how this growing population is...
Resource Type:: Dissertation
Full Text:: the North Pacific migrate to one of three principal wintering areas – Asia, Hawaii and Mexico – to

Assessing Apparent Effects on Survival and Movement of Desert Bighorn Sheep (Ovis canadensis nelsoni) Following a Pneumonia Outbreak

Creator:: Dekelaita, Daniella J.
Abstract:: In the western United States, bighorn sheep (Ovis canadensis) have suffered major die-offs in every state since the mid-1800s, and disease from domestic sheep (Ovis aries) has been a primary factor in these events. Beginning in the early 1900s, poly-factorial, poly-microbial pneumonia was identified as a major disease affecting bighorn...
Resource Type:: Dissertation
Full Text:: movement and consequently potential transmission risk. Conservation of bighorn sheep will likely

Assessing biological values of Wetland Reserve Program wetlands for wintering waterfowl

Creator:: Evans-Peters, Graham, R.
Abstract:: The Wetland Reserve Program (WRP) is one conservation tool that mitigates national wetland loss and a primary goal for the program includes optimizing wildlife habitat by restoring wetland functions and values. Few studies have evaluated the WRP, which limits our understanding of its impact on wildlife populations. I assessed the...
Resource Type:: Masters Thesis
Full Text:: and North American Waterfowl Management Plan (NAWMP), which support long term conservation of

Assessment of drainwater evaporation ponds as waterfowl habitat in the San Joaquin Valley, California

Creator:: Euliss, Ned H.
Resource Type:: Dissertation
Full Text:: iamaicensis), 2) the ecology and standing crop of aquatic invertebrates and plants, and 3) the proximate

ScholarsArchive@OSU

Activity patterns and behavior of free-living Nuttall's cottontails

All in a DNA's work : conservation genetics and monitoring of the New Zealand endemic Maui's and Hector's dolphins

An analysis of avian communities on a dredged material island

An analysis of guild structure of avian communities, Columbia River, Oregon

Applications of slow-moving autonomous platforms for passive acoustic monitoring and density estimation of marine mammals

Arribada nesting of olive ridley sea turtles (Lepidochelys olivacea) at La Escobilla, Mexico

Aspects of the foraging ecology of humpback whales (Megaptera novaeangliae) in Frederick Sound and Stephens Passage, Southeast Alaska

Assessing Apparent Effects on Survival and Movement of Desert Bighorn Sheep (Ovis canadensis nelsoni) Following a Pneumonia Outbreak

Assessing biological values of Wetland Reserve Program wetlands for wintering waterfowl

Assessment of drainwater evaporation ponds as waterfowl habitat in the San Joaquin Valley, California

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