scholarly journals A Study of Backcountry use within Yellowstone National Park

Author(s):  
Clynn Phillips ◽  
John Eastwood ◽  
Lyman McDonald

Records of backcountry use in Yellowstone National Park indicate that use increased from 16,767 backcountry camper nights in 1971 to 33,297 backcountry camper nights in 1974, a doubling in three years (1). A similar increase was recorded in Grand Teton National Park. Use of wilderness areas in the state by backpackers has increased also, but not at the rate of increase that applies to the two National Parks.

Author(s):  
Lusha Tronstad ◽  
Gary Beauvais ◽  
Jeanne Serb ◽  
Kevin Roe

Invertebrates are receiving an increasing amount of conservation attention across North America. Currently, about 40% of the animals listed under the U.S. Endangered Species Act (ESA) are invertebrates (www.NatureServe.org). The National Park Service and other agencies require better information on invertebrate faunas in order to effectively conserve this important group of animals. One way to prioritize invertebrate groups for study is to assess the number of rare taxa within a given genus. In this context, Oreohelix (mountainsnails) are a top priority because the genus is assumed to support a very high percentage of rare and endemic taxa. Additionally, Oreohelix species in Wyoming and surrounding states have been petitioned for ESA listing in the recent past. The diversity of Oreohelix forms in Wyoming is not well-understood, and the current taxonomy may not reflect the true pattern of diversity within the state. Therefore, we are studying both the morphology and genetic structure of Oreohelix in Grand Teton National Park to begin to understand the diversity of mountainsnails in the state. We collected Oreohelix from 4 locations in Grand Teton National Park. Based on shell and internal characteristics, all individuals were identified as O. subrudis. We are currently preparing specimens for DNA sequencing.


Author(s):  
W. Romme ◽  
J. Yavitt ◽  
D. Knight

A research project was initiated in 1980 to study the effects of outbreaks of the mountain pine beetle (Dendroctonus ponderosae Hopkins) on lodgepole pine forest (Pinus contorta Dougl. ssp. latifolia) in Yellowstone National Park and surrounding areas. This native insect apparently has long been associated with lodgepole pine, and reports of small numbers of beetles can be found in Park records as early as 1925. However, in the late 1940's and early 1950's major outbreaks began to occur on the Caribou and Targhee National Forests immediately to the west and southwest of Yellowstone and Grand Teton National Parks. An outbreak in Grand Teton National Park and the adjacent Teton National Forest began in the 1950's, with an explosive increase in 1961 followed by an eventual subsidence in the late 1960's. The first major outbreak in Yellowstone National Park began in the late 1960's in the Bechler and South Entrance areas, reaching a peak there in 1970 and later declining. Yearly aerial surveys conducted thereafter showed a steady northward movement of the outbreak through the western half of the Park at a rate of 1 - 5 km per year. By 1978 the peak outbreak was centered around West Yellowstone, with hundreds of infested trees per hectare. The outbreak is now moving north and east along the Madison and Gibbon Rivers, with the greatest beetle populations currently in the vicinity of Madison Junction.


Author(s):  
Charles E. Taylor ◽  
Yi-Ju Wang ◽  
Martin L. Cody

We explored how Yellow Warblers (Dendroica petechia) alter their songs when encountering noise in Grand Teton National Park. Different strategies for avoiding signal masking are used by other species of birds, yet there is a lack of information of birds’ responses to higher noise levels–above 65 dB; such levels are often found in National Parks that have many visitors. In this study, we investigated singing behavior of Yellow Warblers when facing noise that ranged from 30 dB to 80 dB. In these preliminary results, we found that some features of Yellow Warblers did not appear to change with background noise level, including mean minimum frequency, bandwidth and song length. Other song features we studied did show small but statistically significant changes with higher background noise, including the peak frequency and the mean minimum frequency, both of which were significantly negatively correlated with the level of background noise. This result is different from the positive correlations that are typically observed. We speculate that this difference is due to the very high dB levels of background noise that we observed.   Featured photo bywagon16 on Flickr. https://flic.kr/p/G2W6Bk


Author(s):  
N. Qwynne Lackey ◽  
Kelly Bricker

Concessioners play an important role in park and protected area management by providing visitor services. Historically, concessioners were criticized for their negative impacts on environmental sustainability. However, due to policy changes, technological advances, and shifting market demands, there is a need to reevaluate the role of concessioners in sustainable destination management in and around parks and protected areas. The purpose of this qualitative case study situated in Grand Teton National Park (GTNP), which was guided by social exchange theory, was to explore U.S. national park concessioners’ influence on sustainable development at the destination level from the perspective of National Park Service (NPS) staff, concessioners, and local community members. Sustainability was examined holistically as a multifaceted construct with integrated socioeconomic, cultural, and environmental dimensions. Twenty-three participants completed semistructured interviews. Researchers identified four thematic categories describing concessioners’ influence on sustainability; motivations and barriers to pursuing sustainability initiatives; and situational factors that facilitated concessioners’ sustainability actions. While participants commented on the negative environmental impacts of concessioners and their operations, these data suggest that concessioners were working individually and collaboratively to promote environmental, socioeconomic, and cultural sustainability in and around GTNP. Some concessioners were even described as leaders, testing and driving the development of innovative sustainability policies and practices. These actions were motivated, in part, by contractual obligations and profit generation. However, concessioners also had strong intangible motivators, such as intrinsic values and a strong sense of community, that drove their positive contributions to sustainability. Based on these data, we recommend that those involved in future theoretical and practical work with concessioners acknowledge the importance of both tangible and intangible motivators when attempting to promote higher levels of sustainability achievement and collaboration. This will become increasingly important as land management agencies continue to embrace strategies beyond the traditional “parks as islands” approach to management. Additionally, future work should explore more specifically the role of policy, conceptualizations of sustainability, and private industry sponsorship in promoting concessioners’ contributions to sustainability, especially in collaborative settings. This work is needed to understand if and how these observations generalize to other contexts.


Author(s):  
Yi-Ju Wang ◽  
Charles E. Taylor ◽  
Martin L. Cody

We explored how Yellow Warblers (Dendroica petechia) alter their songs when encountering noise in Grand Teton National Park. Different strategies for avoiding signal masking are used by other species of birds, yet there is a lack of information of birds’ responses to higher noise levels -- above 65 dB; such levels are often found in National Parks that have many visitors. In this study, we investigated singing behavior of Yellow Warblers when facing noise that ranged from 30 dB to 80 dB. In these preliminary results, we found that some features of Yellow Warblers did not appear to change with background noise level, including mean minimum frequency, bandwidth and song length. Other song features we studied did show small but statistically significant changes with higher background noise, including the peak frequency and the mean minimum frequency, both of which were significantly negatively correlated with the level of background noise. This result is different from the positive correlations that are typically observed.  We speculate that this difference is due to the very high dB levels of background noise that we observed.   Featured photo by wagon16 on Flickr. https://flic.kr/p/G2W6Bk


Author(s):  
Allen Medine ◽  
Stephen Klein

Heavy metals in our National Parks and Forest, their transport processes, environmental distributions and biological effects have been the focus of increasing concern. Direct toxicity to higher organisms and man are the center of this concern, with transport phenomena, ultimate fate and aqueous chemistry as further focus points. It is well known that heavy metal concentrations in soils, plants, and water along heavily traveled roads tend to show increased levels compared to control sites. The current research is to assess the contamination of roadside waters of Yellowstone National Park due primarily to the intensive summer automobile traffic and increasing winter visitation and oversnow vehicles.


Author(s):  
Kent McKnight

The 6 weeks field studies during the summer of 1987 relate to that part of the previously stated objectives (e.g. McKnight, Harper, & McKnight, 1986) concerned with the inventory of fungal species in the Wyoming national parks, particularly Grand Teton National Park. With the return of Dr. Meinhard Moser, University of Innsbruck, Innsbruck, Austria, we intended to concentrate on the Hymenomycete genus Cortinarius. The range of species studied was broadened significantly by the shorter visits of two additional collaborators, Dr. Harry Thiers, University of San Francisco, San Francisco, CA, and Dr. Joe Ammirati, University of Washington, Seattle, WA.


Author(s):  
George Baxter ◽  
Richard Swanson

The purpose of this study was to determine what, if any, influences the longnose sucker (Catostomus catostomus) have upon the cutthroat trout (Salmo clarkii) population in Yellowstone Lake, Yellowstone National Park, with special reference to early life stage interactions. The specific objective of this investigation was to determine if the introduced sucker was having a deleterious effect upon the growth and survival of indigenous trout fry. Cutthroat trout and longnose suckers use tributaries of Yellowstone Lake as spawning areas and the potential for intraspecific competition between fry of both species is considerable. The maintenance of an ecologically sound population of cutthroat trout in Yellowstone Park is a prerequisite to the National Park Service policy of maintalning native flora and fauna in national parks.


2006 ◽  
Vol 12 (1) ◽  
pp. 33-43 ◽  
Author(s):  
John Loomis ◽  
Lynne Caughlan

This paper investigates the empirical importance of distinguishing visitors and their expenditures by trip purpose when estimating the tourism effects of a national park on a local economy. Accounting for trip purpose is quite important when there are two or more nearby major attractions in the same geographical area. This applies to the author's case study of Grand Teton and Yellowstone National Parks in the State of Wyoming, and also to other areas, such as the State of Utah's Bryce and Zion National Parks or amusement parks in the Orlando area in Florida. The authors illustrate the various types of survey questions and methods for correcting for trip purpose. In the case study, it would be quite misleading to attribute all spending by visitors to Grand Teton National Park (GTNP) in the town of Jackson, Wyoming, solely to GTNP because this would overstate employment actually attributable to the park by 3,455 jobs, or 22%. In turn, this overestimates the dependence of jobs in the Jackson economy on GTNP by 15%, incorrectly estimating it at 75% rather than the sounder figure of 60% of total jobs.


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