Browsing by Author "Krueger, William"

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

Szabo, Andrew, 1974- (2011-05-09)

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 estimate ...

Cattle behavior and distribution on the San Joaquin Experimental Range in the foothills of central California

Harris, Norman Rex (2001-06-18)

Small herds of cows were observed and spatially mapped over continuous twenty-four hour periods. Treatments were implemented that investigated the effect of water site and supplementation on animal distribution pattern ...

Comparisons of fish assemblages and habitat associations in littoral zones of reservoirs in the Willamette Basin, Oregon

Bennett, Paul Michael (2002-04-19)

The littoral zones of seven reservoirs in the southern Willamette Valley of Oregon were sampled with a boat electroshocker during the summer months of 1995 and 1996. Shoreline substrates were inventoried before samplin ...

Defining habitat preferences of pelagic loggerhead sea turtles (Caretta caretta) in the North Atlantic through analysis of behavior and bycatch

McCarthy, Abigail L. (2007-02-05)

For many species of marine turtle the characteristics that define pelagic habitat have yet to be fully identified. A better understanding of these habitat characteristics is critical to reduce high seas fisheries inter ...

Ecological relationships between cervid herbivory and understory vegetation in old-growth Sitka spruce-western hemlock forests in western Washington

Happe, Patricia Jenkins (1993-09-16)

The relationships between black-tailed deer (Odocoileus hemionus columbianus) and Roosevelt elk (Cervus elaphus roosevelti) herbivory and understory vegetation in unmanaged forests in Olympic National Park were studied f ...

The effects of vegetation type and grazing system on the performance, diet and intake of yearling cattle

Holechek, Jerry (1979)

Grazing relationships of elk, deer and cattle on seasonal rangelands in northeastern Oregon

Sheehy, Dennis Patrick (1987-12-18)

Identification of restoration potential on southwestern Oregon rangelands

Barrington, Mack R. (1994-12-16)

The objectives of this research were to 1) evaluate the establishment and peak standing crop of Berber Orchardgrass (Dactylis glomerata var. "Berber"), Palestine Orchardgrass (Dactylis glomerata var. "Palestine"), and ...

Lamb production differences of bighorn sheep on Hart Mountain, Oregon

Cottam, Douglas F. (1984-06-08)

Quantification of state-and-transition model components utilizing long-term ecological response data following one-seed juniper treatment on a deep sand savannah ecological site

Shaver, Patrick L. (2010-02-26)

A proposed state-and-transition model (STM) for the Deep Sand Savannah ecological site in central New Mexico was developed using historical data and expert knowledge. This STM was tested utilizing data from short and lon ...

Quantification of vegetation diversity and variation on intact and degraded rangelands

Dysart, Patricia L. (2001-07-27)

Vegetation diversity in the Wyoming big sagebrush/Thurber needlegrass (Artemisia tridentata Nutt. ssp. wyomingensis Beetle & Young/Achnatherum thurberianum (Piper) Barkworth. syn. Stipa thurberiana Piper) plant associa ...

Relationships between vegetative structure and predation rates of artificial sage grouse nests

DeLong, Anita Kang (1993-07-19)

Seasonal movements and home ranges of mule deer at Lava Beds National Monument

Purcell, Alice (1979-12-12)

Stand development of Cordia alliodora (Boraginaceae), a neotropical secondary forest tree in northern Costa Rica (1992-1996)

Hummel, Susan Stevens (1997-06-06)

Cordia alliodora is used for reforestation programs and farm income in northern Costa Rica. This study investigated: 1) responses of C. alliodora associated with stand density, or trees/ha (TPH), and 2) plant diversity a ...

Standing crop dynamics and productive potential of southwestern Oregon rangelands

White, G. R. (1999-12-13)

Woody riparian species patterns along northeast Oregon mountainous streams and the relationship to riparian capability

Yancey, Jennifer M. (2008-06-17)

Woody riparian vegetation is an essential component of riparian ecosystems, responsible in part for the maintenance of functional ecological processes. The plant community composition and distribution provide an indicat ...

Browsing by Author "Krueger, William"

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