Search Results - "Vander Haegen, W. Matthew"

Diets of Native and Introduced Tree Squirrels in Washington by JOHNSTON, AARON N., WEST, STEPHEN D., HAEGEN, W. MATTHEW VANDER

“…Competition for food resources can be a primary mechanism for displacement of native species by introduced species. Investigation of dietary partitioning…”
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Survival and Causes of Mortality of Head-Started Western Pond Turtles on Pierce National Wildlife Refuge, Washington by Vander Haegen, W. Matthew, Clark, Steven L, Perillo, Kathleen M, Anderson, David P, Allen, Harriet L

“…The western pond turtle (Actinemys marmorata) is a species of conservation concern over much of its range and is listed as endangered in Washington State. From…”
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Western Gray Squirrel Resource Selection Related to Fire Fuel Management by STUART, KATHRYN D., HAEGEN, W. MATTHEW VANDER, JENKINS, KURT J., KEREN, ILAI N., WEST, STEPHEN D.

“…One of 3 populations of the state-threatened western gray squirrel (Sciurus griseus) in Washington occurs in the northern Cascade Range (i.e., North Cascades),…”
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Endemic Diseases Affect Population Dynamics of Tree Squirrels in Contrasting Landscapes by HAEGEN, W. MATTHEW VANDER, ORTH, GENE R., JOHNSTON, AARON N., LINDERS, MARY J.

“…Habitat loss and fragmentation can have detrimental effects on wildlife populations and where pervasive can create population isolates that may experience…”
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Fragmention by Agriculture Influences Reproductive Success of Birds in a Shrubsteppe Landscape by Haegen, W. Matthew Vander

“…Shrubsteppe communities are among the most imperiled ecosystems in North America as a result of conversion to agriculture and other anthropogenic changes. In…”
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Avian Abundance and Reproductive Success in the Intermountain West: Local-Scale Response to the Conservation Reserve Program by W. Matthew Vander Haegen, Michael A. Schroeder, Wan-Ying Chang, Shannon M. Knapp

“…Conversion of extensive shrubsteppe communities to cropland has greatly reduced the habitat available to grassland- and sagebrush-obligate birds in the…”
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The Reliability of Citizen Science: A Case Study of Oregon White Oak Stand Surveys by GALLOWAY, AARON W. E, TUDOR, MARGARET T, HAEGEN, W. MATTHEW VANDER

“…We trained students (grades 3–10) through classroom presentations to survey an Oregon white oak (Quercus garryana) stand in Washington, USA, and compared their…”
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Nest Site Selection by Western Gray Squirrels at Their Northern Range Terminus by Gregory, Sara C, Vander Haegen, W. Matthew, Chang, Wan Ying, West, Stephen D

“…The western gray squirrel (Sciurus griseus) in Washington, USA, is limited to 3 disjunct areas and is a state threatened species. Information is lacking for…”
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Differential Resource Use between Native and Introduced Gray Squirrels by JOHNSTON, AARON N., VANDER HAEGEN, W. MATTHEW, WEST, STEPHEN D.

“…Differences in habitat requirements and the spatial distribution of habitat for native and introduced species can determine outcomes of biological invasions…”
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Predation on artificial nests in forested riparian buffer strips by Vander Haegen, W.M. (USDA Forest Service, Northeastern Forest Experiment Station, Orono, ME.), DeGraaf, R.M

“…We used artificial nests to examine predation in riparian buffer strips created by commercial clear-cutting and in unharvested control areas on industrial…”
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Shrubsteppe Bird Response to Habitat and Landscape Variables in Eastern Washington, U.S.A by Haegen, W. Matthew Vander, Dobler, Frederick C., Pierce, D. John

“…The landscape of the intermountain west has changed dramatically in the last 150 years, particularly in the state of Washington, where over half the native…”
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PREDATION ON REAL AND ARTIFICIAL NESTS IN SHRUBSTEPPE LANDSCAPES FRAGMENTED BY AGRICULTURE by Vander Haegen, W. Matthew, Schroeder, Michael A, DeGraaf, Richard M

“…Clearing of shrubsteppe communities for agriculture has created a highly fragmented landscape in eastern Washington, a condition that has been shown to…”
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The early development of forest fragmentation effects on birds by Hagan, J.M. (Manomet Observatory, Manomet, MA.), Vander Haegen, W.M, McKinley, P.S

“…The early development of forest fragmentation effects on forest organisms is poorly understood partly because most fragmentation studies have been done in…”
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TEETERING ON THE EDGE OR TOO LATE? CONSERVATION AND RESEARCH ISSUES FOR AVIFAUNA OF SAGEBRUSH HABITATS by Knick, Steven T, Dobkin, David S, Rotenberry, John T, Schroeder, Michael A, Vander Haegen, W. Matthew, van Riper, Charles

“…Degradation, fragmentation, and loss of native sagebrush (Artemisia spp.) landscapes have imperiled these habitats and their associated avifauna. Historically,…”
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SEASONAL VARIABILITY IN THE USE OF SPACE BY WESTERN GRAY SQUIRRELS IN SOUTHCENTRAL WASHINGTON by Linders, Mary J., West, Stephen D., Vander Haegen, W. Matthew

“…A lack of quantitative information on life history of the western gray squirrel (Sciurus griseus) has hampered conservation and management efforts across its…”
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Daily Energy Expenditure of Ovenbirds (Seiurus aurocapillus) Feeding Nestlings by Vander Haegen, W. Matthew, DeGraaf, Richard M

“…The doubly labeled water method was used to measure daily energy expenditure of adult Ovenbirds (Seiurus aurocapillus) feeding nestlings in large and small…”
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Winter Use of Agricultural Habitats by Wild Turkeys in Massachusetts by W. Matthew Vander Haegen, Sayre, Mark W., Dodge, Wendell E.

“…We examined winter habitat use by eastern wild turkeys (Meleagris gallopavo sylvestris) in western massachusetts during 1984 and 1985. Use-availability…”
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Survival and causes of mortality in a northern population of western gray squirrels: Western Gray Squirrel Survival by Vander Haegen, W. Matthew, Orth, Gene R., Linders, Mary J.

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Survival and causes of mortality in a northern population of western gray squirrels by Vander Haegen, W. Matthew, Orth, Gene R., Linders, Mary J.

“…We studied survival of radio-marked western gray squirrels (Sciurus griseus) and quantified causes of mortality including incidence and severity of notoedric…”
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Factors Affecting Productivity in a Northern Wild Turkey Population by W. Matthew Vander Haegen, Dodge, Wendell E., Sayre, Mark W.

“…Survival and productivity of 65 eastern wild turkeys (Meleagris gallopavo silvestris) fitted with radio transmitters were studied in western Massachusetts…”
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