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Showing 1 to 20 of 32 for “"Shenandoah National Park"”.
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The ecology of eastern small-footed bats at Shenandoah National Park
… I conducted visual searches of talus slopes at Shenandoah National Park, Virginia, modeled bat abundance by topographic variables, and predicted bat abundance to talus slopes throughout the park to talus slopes classified with algorithms utilizing high-definition imagery and a topographic index …
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Response of black bears to gypsy moth infestation in Shenandoah National Park, Virginia
The effects of gypsy moth infestation on the Shenandoah National Park (SNP) black bear population and habitat were studied during 1985 - 1991 by comparing radio telemetry, population, and behavioral data from preinfestation years (1982 - 1986) and years with extensive defoliation (1987 - 1991). …
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Concentration profiles and mapping of ambient air quality in the Shenandoah National Park
… performed. Data gathered in eight flights to the Shenandoah National Park during the summer months of 1981 were analyzed. Sulfur dioxide levels were found to be in the 5 - 15 ppb range, nitrogen oxides were in the 4 — 10 ppb range, nitrous oxide was in the 2 - 5 ppb range, nitrogen dioxide was in …
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Population dynamics and denning ecology of black bears in Shenandoah National Park, Virginia
… bears (Ursus americanus) were investigated in Shenandoah National Park, Virginia. Foot snares and culvert traps were used to capture 115 bears a total of 149 times. Radio transmitter collars were fitted to 47 bears. The age structure of the bears captured was indicative of an exploited …
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Movement, growth and mortality of brook trout within the Hazel River, Shenandoah National Park
… stock of brook trout within the Hazel River, Shenandoah National Park, declined sharply between 1982 and 1989. Most of the reduction occurred within the middle and lower reaches, where density of brook trout declined 66% and 920/0, respectively. This study characterized the movement, growth, …
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Backcountry campsite conditions assessed for limits of acceptable change planning in Shenandoah National Park
… backcountry campsite conditions found in Shenandoah National Park during 1992. It fuels a policy process grounded in Limits-of-Acceptable-Change (LAC). This context provides an opportunity to critique natural resource science within an LAC process and to illustrate the applicability of …
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Effects of Wildfire Intensity on Invasives, Stand Structure and Fuel Loading in Shenandoah National Park
… diversity, and evenness were studied at Shenandoah National Park. Most National Parks identify invasive species as the biggest threat to their goal of maintaining native ecosystems. Eight study sites were stratified into three burn classes (high intensity, low intensity, and control), and …
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Quantifying macroinvertebrate structural and functional response to stream acidification and subsequent recovery in Shenandoah National Park
… To do so, I studied two long-term data sets from Shenandoah National Park to assess trends in water chemistry and macroinvertebrate taxa and trait composition over a 30-year period to identify taxa and traits that are sensitive to acidification. I also measured how much biomass macroinvertebrates …
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Seasonal movements, habitat selection, and food habits of black bears (Ursus americanus) in Shenandoah National Park, Virginia
… of black bears (<i>Ursus americanus</i>) in Shenandoah National Park, Virginia were studied from May 1982 to April 1985. A total of 47 collared bears, including 25 adult females, 17 adult males, and 5 subadult males < 3.5 years old, was located 3973 times during the study. Adult males had …
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Forest soil and vegetation characteristics in two forest types following wildfire in the Shenandoah National Park, Virginia
… intensity occurred in mid-July of 1988 in the Shenandoah National Park and adjacent private lands. This study was established to measure post-fire forest soil and vegetation characteristics in both the mixed pine and mixed oak forest types occurring on Dovel Mountain in the Shenandoah National …
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Effects of drifting prey abundance on food consumption and growth of brook trout in Shenandoah National Park
… July and September of 1989, for four streams in Shenandoah National Park. Sampling was performed at 6-hour intervals over 24 hours. Adult and yearling trout did not consume more food at one specific time throughout the summer, but juvenile trout (< 100 mm) fed significantly less at night in both …
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Characterization and analysis of the ambient aerosol species in the Shenandoah National Park and Manassas, Virginia regions
… concentration of the aerosol species in the Shenandoah National Park and Manassas, Virginia regions was investigated during a three month summertime period. The relationships between the above mentioned parameters along with prevalent meteorological patterns, emission sources and associated …
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Assessing Recreation Impacts to Cliffs in Shenandoah National Park: Integrating Visitor Observation with Trail and Recreation Site Measurements
The rock outcrops and cliffs of Shenandoah National Park provide habitat for several rare and endangered plant and animal species. The location of the world-famous ridgeline parkway, Skyline Drive, makes many outcrops and cliffs within the park readily accessible to the park's 1.2 million annual …
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Effects of abiotic and biotic factors on population dynamics of brook trout (<i>Salvelinus fontinalis</i>) within Shenandoah National Park, Virginia
… and brook trout abundance and recruitment in Shenandoah National Park, VA for the first time. In Chapter 1, I use generalized linear mixed-models and long-term fish collections data from the National Park Service (1996-2021) to investigate the relationship between brook trout abundance and …
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Response of brook char (Salvelinus fontinalis) and blacknose dace (Rhinichthys atratulus) to acidic episodes in three headwater streams within the Shenandoah National Park, Virginia
… inventory habitat and fish populations in three Shenandoah National Park watersheds having low, moderate, and high acid neutralizing capacity (ANC) to determine: a) types, distribution, and total amount of habitat; b) community structure and estimate fish density, condition, and production; and …
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Recovery From and Effects of a Catastrophic Flood and Debris Flow on the Brook Trout (<i>Salvelinus fontinalis</i>) Population and Instream Habitat of the Staunton River, Shenandoah National Park, VA
… the eastern slope of the Blue Ridge Mountains in Shenandoah National Park, VA. In June 1995, a catastrophic flood and debris flow altered the instream habitat and <i>Salvelinus fontinalis</i> population of the Staunton River. The debris flow scoured the streambed, deposited new substrate …
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An assessment of visitor attitudes toward resource use and management in a national park
… a basis of public interest and opinion inputs to National Park Service planning and management decision making. The initial objective of this study was to develop a method for scaling attitudes which alleviated problems of interpreting effects of two related components of attitude--beliefs and …
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Skyline
… on the Blue Ridge Mountains to the east of the Shenandoah Valley. Here he assists in the creation of the Shenandoah National Park, and develops and explores relationships with fellow CCC boys and local residents—both positive and negative relationships, all with consequences that will affect all …
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Case studies of the role of nonprofit volunteer organizations in forest recreation and park management
… with, respectively, the White Mountain National Forest, Green Mountain National Forest, New York State Department of Environmental Conservation, Shenandoah National Park, and the Appalachian Trail Project Office (National Park Service). Interviews with key members of the agencies and the …
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Toward the preservation of rural, cultural, historic landscapes: a method for evaluating nineteenth century Blue Ridge farms
… done of farms documented in the archives of the Shenandoah National Park in Luray, Virginia, the Great Smoky Mountains National Park in Gatlinburg, Tennessee, and the Historic Landsmarks Commission in Richmond, Virginia. The method was designed so that every farm evaluated by means of the …
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