Relevant bibliographies by topics / Park rangers

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Park rangers'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 July 2024

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Journal articles on the topic "Park rangers"

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Beauchamp, Toby. "Beyond the “Pine Pig”." Radical History Review 2020, no. 137 (2020): 96–118. http://dx.doi.org/10.1215/01636545-8092798.

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Abstract This article shows how the US national park ranger comes to function simultaneously as friendly, educational caretaker and as policing authority forged through and upholding state violence. It argues that long-standing government and popular discourse distinguishing rangers from “real” police naturalizes and actively supports the ranger’s authoritative role in hierarchies of power. This framework further obscures the violent mechanisms of social and environmental control that underwrite the national parks as such. At the same time, however, the article suggests that persistent efforts to distinguish rangers from law enforcement create an opportunity to practice collaborative and anti-authoritarian forms of protection.
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Stern, Marc J., Robert B. Powell, and Karen S. Hockett. "Why Do They Come? Understanding Attendance at Ranger-Led Programs in Great Smoky Mountains National Park." Journal of Interpretation Research 16, no. 2 (2011): 35–52. http://dx.doi.org/10.1177/109258721101600204.

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This study examines the perceptions of interpretive rangers and of the visiting public regarding explanations for attendance of ranger-led interpretive programs at Great Smoky Mountains National Park. Interpretive rangers’ perceptions about the most important barriers to program attendance were corroborated by park visitors and included a lack of awareness of the programs, insufficient time or inconvenient timing, and a preference for a more solitary park experience. While interpreters suggested that interest in a specific topic or place, the offering of a tangible reward or souvenir, and chance/serendipity would be the most consistently important predictors of attendance, surveys with park visitors suggested that desires to be entertained, a better chance to actually see the park's unique attractions, and a good group experience were more consistent motivators. This paper discusses recommendations for increasing interpretive program attendance and compares the value of collecting information about motivations for program attendance directly from visitors versus relying on ranger perceptions.
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Spira, Charlotte, Andrew E. Kirkby, and Andrew J. Plumptre. "Understanding ranger motivation and job satisfaction to improve wildlife protection in Kahuzi–Biega National Park, eastern Democratic Republic of the Congo." Oryx 53, no. 3 (2019): 460–68. http://dx.doi.org/10.1017/s0030605318000856.

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AbstractRangers in the Democratic Republic of the Congo are working to conserve some of the largest remaining blocks of tropical rainforest, along with iconic species that are being targeted by poachers for subsistence or commercial purposes. During 2015–2016 we surveyed 72% of Kahuzi–Biega National Park rangers to assess their level of job satisfaction, why they chose to become rangers, what they liked and disliked about their job, and what affected their motivation to conduct their work. We used a cumulative link model to assess how various factors affected their self-reported level of job satisfaction. The rangers surveyed had been working in the Park for 16 years on average and most chose this occupation to earn a salary, to conserve wildlife or to serve their country. Overall, ranger job satisfaction was low; however, our findings highlight numerous ways in which this could be improved. These include higher salaries, more promotion opportunities, better recognition from the Congolese wildlife authority and other state services, positive performance incentives, better security, improved living conditions in remote patrol posts, and more support from the judicial system. Ranger patrol assignment (i.e. type of patrol and Park sector to patrol), receiving free housing at the Park headquarters, age, and length of service were statistically significant predictors of job satisfaction. It is likely that increasing ranger job satisfaction would result in a higher commitment to protecting wildlife, improved performance, and positive outcomes for wildlife conservation.
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Moreto, William D. "Occupational stress among law enforcement rangers: insights from Uganda." Oryx 50, no. 4 (2015): 646–54. http://dx.doi.org/10.1017/s0030605315000356.

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AbstractIn many countries law enforcement rangers are frontline guardians responsible for the management, monitoring and protection of protected areas and wildlife species. To date, little research has been conducted on law enforcement rangers and their perceptions of stress. This exploratory study contributes to both the criminological and conservation literature by exploring an important human dimension often neglected in conservation science research: law enforcement rangers. Similar to previous research on police occupational stress, it is expected that law enforcement rangers experience stressors unique to their profession. Utilizing an ethnographic case study approach based on interviews and participant observation, this research examines ranger perceptions of occupational stress in a protected area in Uganda. Findings indicate that law enforcement rangers are exposed to various occupational/task-related, external, internal, and occupation-related personal strains. Results from the study have implications in understanding, reducing and preventing occupational stress in rangers, as well as in capacity building for park management.
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Vargas Jiménez, Christian, José Pablo Sibaja Brenes, Rosa Alfaro Solís, Henry Borbón Alpízar, Mónica Brenes Ortiz, and Maricruz Arguedas González. "Exposure to Acid Aerosols in the Visiting Areas of the Poás Volcano National Park, Costa Rica." Atmosphere 15, no. 7 (2024): 848. http://dx.doi.org/10.3390/atmos15070848.

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Poás Volcano made a magmatic eruption in April 2017. The volcanic outburst resulted in an ash and vapor column towering over three kilometers high. Since that time, there has been a continual release of gases, aerosols, and more recently, ash, posing potential issues for visitors and park rangers. In this work, the potential for exposure to acid gases and aerosols faced by park rangers, officials, and visitors to the Poás Volcano National Park was evaluated, and the concentrations found were compared with the exposure limits established by the Occupational Safety and Health Administration (OSHA). The study was conducted between October 2021 and November 2022. the concentrations of HCl(g), HNO3(ac), HF(g), and H2SO4(ac) were determined at three strategic points: the ranger station, the visitor center, and the main crater viewpoint. The maximum concentrations obtained were (7.0 ± 1.6) ppb for HCl(g), (6.2 ± 2.8) ppb for HNO3(ac), and (0.029 ± 0.044) ppm for H2SO4(ac). There were no concentration values above the detection limit (0.94 μg/m3) for HF(g). By comparing the data obtained with similar studies, it is concluded that the measured values in Poás Volcano National Park are low and only show similarities to the results found in volcanoes within the national territory. The exposure limit established by OSHA (0.02 ppm) was only surpassed by H2SO4(ac), and could be the cause of health effects experienced over the years by park rangers. To minimize these risks, the use of personal protective equipment and air quality monitoring is essential.
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Caldwell, Barrett. "Development of Models for Park Rangers' Perceived Isolation of National Park Service Areas." Environment and Behavior 22, no. 5 (1990): 636–49. http://dx.doi.org/10.1177/0013916590225004.

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Krake, Ann, Joel McCullough, and Bradley King. "Health Hazards to Park Rangers from Excessive Heat at Grand Canyon National Park." Applied Occupational and Environmental Hygiene 18, no. 5 (2003): 295–317. http://dx.doi.org/10.1080/10473220301364.

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Bišćan, Matko, Gordan Lukač, Franjo Špalj, et al. "The Value of Protected Areas Ranger Service Personnel for Biodiversity Monitoring: Case Study in Paklenica National Park (Croatia)." Ekológia (Bratislava) 41, no. 2 (2022): 183–200. http://dx.doi.org/10.2478/eko-2022-0019.

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Abstract To preserve the long-term survival of habitats and wildlife, it is necessary to monitor their status. In protected areas, that is, biodiversity centres, rangers have excellent knowledge of specific locations and they spend a large amount of time in the field. But since rangers are not required to have a university degree, the question is whether they can be an added value in baseline survey monitoring. To investigate this issue, a case study was conducted in the Paklenica National Park (Paklenica NP), Croatia, using camera trapping survey between 2011 and 2016 at 22 camera sites. The aims of this survey were (1) to collect baseline data of mammalian diversity, (2) to analyse the regulatory effect of top predators on the trophic pyramid through top–down effects and (3) to estimate the data gathered by ranger service from the Paklenica NP. Data gathered through this study represents the first peer-reviewed list of medium- to large-sized mammals for Paklenica NP, as up till now, there is no peer-reviewed published paper of Paklenica NP mammalian diversity. Results showed that the recorded top predator–mesopredator–prey ratios were concordant with the trophic pyramid hypothesis. Also, as it was expected according to the literature, species richness indices were higher when top predators were present. On analysing the costs for conducting camera trapping survey by external and internal services, a significant difference was observed. Internal rangers’ cost was nine times lower than the external service cost. Future research run by rangers needs to be conducted in way to capture all mammalian biodiversity. Therefore, we propose camera trapping methodology for rangers in the protected areas since this may be an invaluable tool for biodiversity monitoring.
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이덕재 and 오충현. "Landscape Attachment of Park Rangers as Managers of Natural Landscapes in the National Park." Journal of Korean institute of Forest Recreation 14, no. 4 (2010): 40–49. http://dx.doi.org/10.34272/forest.2010.14.4.005.

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Day, Christopher. "Sister Forces: Park Rangers and Regime Security in African States." Civil Wars 22, no. 2-3 (2020): 353–78. http://dx.doi.org/10.1080/13698249.2020.1755162.

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Dissertations / Theses on the topic "Park rangers"

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Hoekzema, Abbey. "Into the Canyons." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc500188/.

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Into the Canyons is a documentary short that provides an intimate portrait of two volunteer Wilderness Rangers working and living in Zion National Park in Utah for a summer. Sarah dreams of being a Park Ranger for the National Park Service, but must wait till she earns US citizenship. Working in an office, Allen wants a change in lifestyle. Together they explore the Wilderness and learn what it means to be a Park Ranger.
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Maciha, Mark Joseph. "The practice of leadership| A survey of National Park Service chief park rangers." Thesis, Northern Arizona University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3621122.

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<p> The role of the national park ranger is to protect, conserve, and to provide for the enjoyment of our nation's heritage. Unfortunately, today's rangers are challenged with problems in the organizational leadership of the National Park Service. The agency is currently ranked in the bottom third of federal agencies in workplace health and leadership. </p><p> As some of the most visible leaders in the National Park Service, chief park rangers were queried through a descriptive qualitative design. The open-ended survey instrument was designed to answer the following two research questions: "Assuming that formal training in leadership influences successful leadership practice, what are the perceived results and outcomes of this training?" and "What are the factors, other than training, that influence an individual's desired practice of leadership?" A total of 29 chief park rangers of an eligible 51 chief park rangers in the Intermountain Region of the National Park Service responded to the survey conducted in January 2014. Their responses were categorized as to (a) the impact of the agency's training efforts on chief park rangers; (b) the barriers to the practice of leadership as experienced by chief park rangers; and (c) considerations for improvement in the leadership of the National Park Service. </p><p> The research concluded that training, although perceived to be limited in availability, was beneficial. However, training absent experience negatively influenced leadership practice. The predominant barriers to the desired practice of leadership were the lack of training, unfavorable organizational culture, and burdensome administrative practices. Although the survey was designed to focus on the issues of empowerment, fairness, senior leadership, and direct supervision, the respondents indicated that the barriers mentioned above were of primary concern rather than problems with these specific issues. The research suggested that the efforts of the National Park Service need to focus on enhancing leadership training program management and on initiating comprehensive reform of leadership practices to include active leadership development, enhanced accountability at all levels, and specific messaging from senior management. </p>
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Smith, Diane Marie. ""What one knows one loves best" : a brief administrative history of science education in the national parks, 1916-1925." Thesis, Montana State University, 2004. http://etd.lib.montana.edu/etd/2004/smith/SmithD1204.pdf.

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McNaughton, Alaina Christine. "More Than Road Trips and Rangers in Flat Hats: Recognizing Millennial Perceptions of the National Park Service to Effectively Engage the Next Generation of Park Stewards." Master's thesis, Temple University Libraries, 2017. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/439295.

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History<br>M.A.<br>Despite popular perceptions that the National Park Service (NPS) is first and foremost the steward of spectacular natural vistas, two-thirds of the system’s nearly four hundred parks exist explicitly to protect and interpret cultural and historic resources. It is this perception that the NPS only cares for Western natural wonders that impedes the agency, especially as it looks to the future. If the National Park Service is looking to cultivate the next generation of stewards, as employees, visitors, or advocates, it must understand how this diverse audience perceives the NPS. This thesis argues that this next generation of millennials perceives the National Park Service as a purveyor of natural wonders in the Western United States, road trip destinations. While the NPS is far from only “Western nature parks,” this popular perception permeates the next generation of park stewards. With this in mind, this thesis argues that the National Park Service must actively prioritize this next generation by defining who they are, recognize their perceptions and needs from the NPS, and understand how to best engage them in all aspects of natural and cultural resources. The NPS has a long history of youth engagement and outreach, in both natural and cultural resources, illustrating its importance to the agency. Looking to the future, it is imperative that the NPS supports youth engagement and outreach in a more productive and inclusive way.<br>Temple University--Theses
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Larzon, Alexander. "Social fotboll : En kvalitativ undersökning för att kartlägga skillnader i hur svenska respektive engelska fotbollslag kommunicerar på Facebook." Thesis, Umeå universitet, Institutionen för kultur- och medievetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-68678.

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Facebook is today a phenomenon that has connected the whole world. With millions of users this has become an attractive place for soccer clubs to connect with their fans. But in what ways are they using Facebook as a tool to connect with their fans?This essay aims to answer the question if it’s a difference in the way English and Swedish teams communicate with their fans on Facebook. The study was conducted with the use of telephone- and mail interviews. Too analyze the material the main theories I´ve used was public relations theory and the public sphere.The result of this study shows that it´s a difference in the way the Premier league teams Arsenal and Queens Park Rangers communicate in comparison with the Swedish teams Helsingborgs IF and IF Elfsborg. The Swedish teams are looking to create relationships by a two-way communication with their fans while the English teams are looking to create relationships with their fans thru pictures, interviews etc. Arsenal is also unique in this study by using Facebook as a tool for commercial purposes.
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Tyman, Shannon K. "Gunpowder Park : a case study of post-industrial reinhabitation /." Connect to title online (Scholars' Bank), 2008. http://hdl.handle.net/1794/8086.

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Stoll, J. A. E. "Mining in national parks : a case study : an integrated environmental evaluation of possible magnesite mining in Weetootla Gorge within the Gammon Ranges National Park, South Australia /." Title page, abstract and contents only, 1989. http://web4.library.adelaide.edu.au/theses/09ENV/09envs875.pdf.

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Milne, Josephine, and mikewood@deakin edu au. "Studies of the biology of four species of Dicranoloma." Deakin University, 1997. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20050902.113817.

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Populations of Dicranoloma billardierei (Brid) Par., D. dicarpum (Nees.) Par., D. menziesii (Tayl.) Par. and D. platycaulon (C. Muell) Dix, from two pockets of cool temperate rainforest within the Yarra Ranges National Park (Cement Creek and Myrtle Loop), were sampled for a period of two years to establish their reproductive biology. The population dynamics within quadrats of D. billardierei, D. menziesii and D. platycaulon at Cement Creek also was investigated over a two year period, through the seasonal recording of shoot loss and/or gain, The four species of Dicranoloma were dioicous and sexually dimorphic, with dwarf males epiphytic on the female plants. Antheridia were initiated before archegonia and required ca, 6 months to reach maturity, compared with 1 to 2 months for archegonia. More archegonia than antheridia occurred per inflorescence and were more variable Fertilization occurred during winter in D. billardierei and summer/ autumn in D. menziesii and D. platycaulon. The duration of the sporophyte cycle of D. menziesii was 12 months, shorter than that of D. billardierei and D. platycaulon which lasted for a period of 18 months to 2 years. In the latter two species an overlap of sporophyte generations occurred. This was particularly pronounced in D. billardierei as sporophytes remained in the swollen venter maturation stage for a period of 6 months. The duration of the sporophyte cycle could not be ascertained as few fruiting stems of D. dicarpum were found. All four species of Dicranoloma regenerated from fragments cultured in the laboratory, and only two of the species showed evidence of production of asexual propagules in the field. Dicranoloma dicarpum was found to produce gemmae, an observation which had not been recorded before, and most of the leaves on stems of D. platycaulon had detached subulas. Shoot loss was minimal in all four species, and when it did occur, (eg D. billardierei) it was attributed to disturbance by animals. Within quadrats there was an increase in shoot density which resulted from the development of innovation(s) and/or side branches rather than from the recruitment of new plants from spores or the regeneration of asexual propagules. The four species of Dicranoloma investigated were robust, perennial mosses and formed an important component of the bryophytes found within the study area. Dicranoloma menziesii was the predominant species establishing on a variety of substrata, particularly as an epiphyte on Nothofagus cunninghamii The other species were more selective in their choice of substratum. Dicranoloma platycaulon was found exclusively on the trunks of myrtle beech and D. billardierei on fallen logs and exposed roots. Dicranoloma dicarpum which was not common, grew as an epiphyte on myrtle beech and on rocks.
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Klein, Gabriela 1963. "Geology of the northern park ranges and Porcupine Creek Anticlinorium, British Columbia." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60050.

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The northern Park Ranges are underlain by middle and upper Miette Group (+/$-$ 2800 m thick), Gog Group (700 to 1200 m thick) and unnamed Middle Cambrian(?) ($>$1000 m thick) strata.<br>The regional structure is dominated by the southeast-plunging Porcupine Creek Anticlinorium (PCA). The core of the PCA is characterized by large-scale upright folds broken by thrust faults. The west flank of the PCA and the adjacent Baker syncline (BS) are deformed by steeply southwest-dipping post-metamorphic thrust faults and Eocene (?) normal faults. The Precambrian Hugh Allan Gneiss is faulted against the west flank of the PCA by a post-metamorphic thrust, the Hugh Allan thrust. The Hugh Allan thrust has been correlated with the Purcell thrust of southern British Columbia.<br>Metamorphic grade increases from greenschist in the east to lower amphibolite in the west adjacent to the Hugh Allan (Purcell) thrust.
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Craven, Alice. "Bush Level Bureaucrats - National Parks Rangers’ Use of Discretion in Implementing Wild Dog Policy." Thesis, Department of Government and International Relations, 2011. http://hdl.handle.net/2123/8264.

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Wild Dog policy in New South Wales is controversial. There is a clear conflict between wild dog control methods as specified by the policy, and the need to conserve the rapidly diminishing numbers of dingoes in Australian ecosystems. Through an analysis of the types of discretion that National Parks rangers use in their implementation of Wild Dog Policy, this thesis will analyse the way in which discretion can be used as a means of resolving conflict in controversial policy areas. An initial understanding of the background to the complex issue of wild dog management, and the legislation and policies surrounding wild dog control provides substance to theories of discretion. These theories have been applied to the interview data of nine National Parks rangers, and an analysis of their experiences in implementing the controversial policy issue. Fundamentally this thesis finds that the different 'types' of discretion allow rangers to resolve conflict and implement a difficult policy area effectively.
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Books on the topic "Park rangers"

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Janice, Hedges, ed. Park rangers of California. W. Hedges, 1993.

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Chesher, Greer K. Rangers. Eastern National, 1997.

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Lynch, Michael G. California state park rangers. Arcadia Pub., 2009.

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Macey, Gordon. Queen's Park Rangers: A complete record. Breedon Bks., 1993.

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Rapin, Andrew G. Huxley College of Environmental Studies internship report of my internship experience as a volunteer back-country ranger in the Bob Marshall Wilderness. Huxley College of Environmental Studies, Western Washington University, 1993.

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1919-, Foster Peter, ed. Bushy Park: Royals, rangers and rogues. Foundry, 1997.

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David, Jonah. The best ranger. Houghton Mifflin Company, 2004.

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Baṛo, Dharaṇīdhara. Kājiraṇāta 24 bachara. Shṭuḍenṭac Shṭa'rac, 2016.

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Lankford, Andrea. Ranger confidential: Living, working, and dying in the national parks. FalconGuides, 2010.

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Lankford, Andrea. Ranger confidential: Living, working, and dying in the national parks. FalconGuides, 2010.

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Book chapters on the topic "Park rangers"

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Deogratias, Musoke. "Developing sustainable transnational collaboration in the post-armed conflict areas of the Democratic Republic of the Congo, Rwanda and Uganda." In Managing Transnational UNESCO World Heritage sites in Africa. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-030-80910-2_11.

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AbstractThe Virunga National Park (Parc National des Virunga) is situated in the Albertine Rift Valley in the eastern part of the Democratic Republic of the Congo (DRC), the south-western part of Uganda near Lake George and Lake Edward, and the north-western part of Ruhengeri in Rwanda. It was created in 1925 and is one of the first protected areas in Africa, enlisted as a UNESCO World Heritage property in 1979. The park is host to one of the world’s most famous populations of mountain gorillas but it has been hit by rising instabilities, an influx of refugees, poaching, smuggling activities and violence caused by various rebel groups, such as the Mai-Mai militia and other smugglers, including the recent killing of 12 rangers and the abduction of 2 British tourists in 2018.
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Lenggenhager, Luregn, Martha Akawa, Giorgio Miescher, Romie Nghitevelekwa, and Ndidzulafhi Innocent Sinthumule. "Paulus Johannes: Park ranger." In Global Studies. transcript Verlag, 2023. http://dx.doi.org/10.14361/9783839466391-018.

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Alexander, Michael, and John Walkenbach. "Part IV: Selecting and Modifying Ranges." In 101 Ready-to-Use Excel® Macros. John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781118983928.ch4.

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Blake, M. C., R. J. McLaughlin, and D. L. Jones. "Terranes of the northern coast ranges." In Tectonic Evolution of Northern California: Sausalito to Yosemite National Park, California, June 28–July 7, 1989. American Geophysical Union, 1989. http://dx.doi.org/10.1029/ft108p0003.

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Tarasov, Vasily E. "Fractional calculus and long-range interactions." In Applications in Physics, Part A, edited by Vasily E. Tarasov. De Gruyter, 2019. http://dx.doi.org/10.1515/9783110571707-004.

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Martin, Jenny, and Angus Martin. "Wildlife conservation beyond the parks: the Strathbogie Ranges, Victoria." In Conservation of Australia's Forest Fauna. Royal Zoological Society of New South Wales, 2004. http://dx.doi.org/10.7882/fs.2004.028.

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Tuttle, Julie P., and Peter S. White. "Structural and Compositional Change in Great Smoky Mountains National Park since Protection, 1930s–2000s." In Natural Disturbances and Historic Range of Variation. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-21527-3_10.

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Araújo, Filipe, and Luís Rodrigues. "Long Range Contacts in Overlay Networks." In Euro-Par 2005 Parallel Processing. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11549468_126.

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Bai, Yilong, Zhaoke Jia, Xiaohui Zhang, Fujiu Ke, and Mengfen Xia. "Long-range Stress Redistribution Resulting from Damage in Heterogeneous Media." In Computational Earthquake Science Part I. Birkhäuser Basel, 2004. http://dx.doi.org/10.1007/978-3-0348-7873-9_3.

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Schütt, Thorsten, Florian Schintke, and Alexander Reinefeld. "A Structured Overlay for Multi-dimensional Range Queries." In Euro-Par 2007 Parallel Processing. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-74466-5_54.

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Conference papers on the topic "Park rangers"

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Bondi, Elizabeth. "AI for Conservation: Aerial Monitoring to Learn and Plan against Illegal Actors." In Twenty-Seventh International Joint Conference on Artificial Intelligence {IJCAI-18}. International Joint Conferences on Artificial Intelligence Organization, 2018. http://dx.doi.org/10.24963/ijcai.2018/825.

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Conservation of our planet’s natural resources is of the utmost importance and requires constant innovation. This project focuses on innovation for one aspect of conservation: the reduction of wildlife poaching. Park rangers patrol parks to decrease poaching by searching for poachers and animal snares left by poachers. Multiple strategies exist to aid in these patrols, including adversary behavior prediction and planning optimal ranger patrol strategies. These research efforts suffer from a key shortcoming: they fail to integrate real-time data, and rely on historical data collected during ranger patrols. With the recent advances in unmanned aerial vehicle (UAV) technology, UAVs have become viable tools to aid in park ranger patrols. There is now an opportunity to augment the input for these strategies in real time. Detection is done on real-time data collected from UAVs. Detection will then be used to learn adversaries’ behaviors, or where poaching may occur in the future, in future work. This will then be used to plan where to fly in the long term, such as the next mission. Finally, planning where to fly next during the current flight will depend on the long term plan and the real-time detections in case a poacher is spotted. Through our collaboration with Air Shepherd, a program of the Charles A. and Anne Morrow Lindbergh Foundation, we have already begun deploying poacher detection prototypes in Africa and will be able to deploy further advances there in the future.
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Bondi, Elizabeth, Ashish Kapoor, Debadeepta Dey, et al. "Near Real-Time Detection of Poachers from Drones in AirSim." In Twenty-Seventh International Joint Conference on Artificial Intelligence {IJCAI-18}. International Joint Conferences on Artificial Intelligence Organization, 2018. http://dx.doi.org/10.24963/ijcai.2018/847.

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The unrelenting threat of poaching has led to increased development of new technologies to combat it. One such example is the use of thermal infrared cameras mounted on unmanned aerial vehicles (UAVs or drones) to spot poachers at night and report them to park rangers before they are able to harm any animals. However, monitoring the live video stream from these conservation UAVs all night is an arduous task. Therefore, we discuss SPOT (Systematic Poacher deTector), a novel application that augments conservation drones with the ability to automatically detect poachers and animals in near real time. SPOT illustrates the feasibility of building upon state-of-the-art AI techniques, such as Faster RCNN, to address the challenges of automatically detecting animals and poachers in infrared images. This paper reports (i) the design of SPOT, (ii) efficient processing techniques to ensure usability in the field, (iii) evaluation of SPOT based on historical videos and a real-world test run by the end-users, Air Shepherd, in the field, and (iv) the use of AirSim for live demonstration of SPOT. The promising results from a field test have led to a plan for larger-scale deployment in a national park in southern Africa. While SPOT is developed for conservation drones, its design and novel techniques have wider application for automated detection from UAV videos.
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Roy, Niladri, Mousumi Daspattanayak, Rnp Choudhary, and Lalatendu Biswal. "Synthesis and Analysis of Para/Ferro-Electric Phase Shifter." In 2023 3rd International Conference on Range Technology (ICORT). IEEE, 2023. http://dx.doi.org/10.1109/icort56052.2023.10249205.

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KRENTZ, TIMOTHY, Natalie Weber, Anastasia Mullins, Joe Ronevich, Dorian Balch, and Chris Marchi. "AUSTENITIC STAINLESS STEEL WELD EMBRITTLEMENT BY HYDROGEN AND TRITIUM." In Name: International Hydrogen Conference, Location: Park City UT, Date Range: 09/17/2023-09/21/2023. US DOE, 2023. http://dx.doi.org/10.2172/2202395.

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Richards, Glenn J., and J. D. Briers. "Capillary-blood-flow monitoring using laser speckle contrast analysis (LASCA): improving the dynamic range." In BiOS '97, Part of Photonics West, edited by Valery V. Tuchin, Halina Podbielska, and Ben Ovryn. SPIE, 1997. http://dx.doi.org/10.1117/12.274304.

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Meister, Joerg, Stefan Diemer, Roland Jung, Sandra Klein, Werner Fuss, and Peter Hering. "Liquid-core fused silica capillary lightguides for applications in the UV/VIS and NIR spectral range." In BiOS '97, Part of Photonics West, edited by Abraham Katzir and James A. Harrington. SPIE, 1997. http://dx.doi.org/10.1117/12.271019.

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Patton, Annette, Sara L. Rathburn, Eric L. Bilderback, and Claire E. Lukens. "GEOCHRONOLOGY OF DEBRIS FLOWS NEAR BIGHORN RANGER STATION, ROCKY MOUNTAIN NATIONAL PARK, COLORADO." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-280489.

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Roth, Paul R., B. Alex Kittle, Vincent L. Santucci, Russell D. BROWN, and Bonnie Cronin. "JUNIOR PALEONTOLOGIST EDUCATIONAL KITS, A RESOURCE FOR THE NATIONAL PARK SERVICE'S JUNIOR RANGER PROGRAM." In 65th Annual Southeastern GSA Section Meeting. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016se-273468.

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Paulka, Sharon. "Ranger Mine: closing a uranium mine surrounded by a World Heritage listed national park." In Mine Closure 2022: 15th Conference on Mine Closure. Australian Centre for Geomechanics, Perth, 2022. http://dx.doi.org/10.36487/acg_repo/2215_47.

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Martins, Gus, Stefan Niewerth, and Charmaine Cheah. "Ranger Mine: closing a uranium mine surrounded by a World Heritage listed national park." In Mine Closure 2022: 15th Conference on Mine Closure. Australian Centre for Geomechanics, Perth, 2022. http://dx.doi.org/10.36487/acg_repo/2215_20.

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Reports on the topic "Park rangers"

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McMechan, M. E. Geology, Peter Lougheed Provincial Park, Rocky Mountain Front Ranges, Alberta. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1989. http://dx.doi.org/10.4095/130670.

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Hostetler, Steven, Cathy Whitlock, Bryan Shuman, David Liefert, Charles Wolf Drimal, and Scott Bischke. Greater Yellowstone climate assessment: past, present, and future climate change in greater Yellowstone watersheds. Montana State University, 2021. http://dx.doi.org/10.15788/gyca2021.

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The Greater Yellowstone Area (GYA) is one of the last remaining large and nearly intact temperate ecosystems on Earth (Reese 1984; NPSa undated). GYA was originally defined in the 1970s as the Greater Yellowstone Ecosystem, which encompassed the minimum range of the grizzly bear (Schullery 1992). The boundary was enlarged through time and now includes about 22 million acres (8.9 million ha) in northwestern Wyoming, south central Montana, and eastern Idaho. Two national parks, five national forests, three wildlife refuges, 20 counties, and state and private lands lie within the GYA boundary. GYA also includes the Wind River Indian Reservation, but the region is the historical home to several Tribal Nations. Federal lands managed by the US Forest Service, the National Park Service, the Bureau of Land Management, and the US Fish and Wildlife Service amount to about 64% (15.5 million acres [6.27 million ha] or 24,200 square miles [62,700 km2]) of the land within the GYA. The federal lands and their associated wildlife, geologic wonders, and recreational opportunities are considered the GYA’s most valuable economic asset. GYA, and especially the national parks, have long been a place for important scientific discoveries, an inspiration for creativity, and an important national and international stage for fundamental discussions about the interactions of humans and nature (e.g., Keiter and Boyce 1991; Pritchard 1999; Schullery 2004; Quammen 2016). Yellowstone National Park, established in 1872 as the world’s first national park, is the heart of the GYA. Grand Teton National Park, created in 1929 and expanded to its present size in 1950, is located south of Yellowstone National Park1 and is dominated by the rugged Teton Range rising from the valley of Jackson Hole. The Gallatin-Custer, Shoshone, Bridger-Teton, Caribou-Targhee, and Beaverhead-Deerlodge national forests encircle the two national parks and include the highest mountain ranges in the region. The National Elk Refuge, Red Rock Lakes National Wildlife Refuge, and Grays Lake National Wildlife Refuge also lie within GYA.
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Author, Not Given. Case Study: Mobile Photovoltaic System at Bechler Meadows Ranger Station, Yellowstone National Park (Brochure). Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1122291.

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Klein, G. A., and E. W. Mountjoy. Northern Porcupine Creek anticlinorium and footwall of the Purcell Thurst, northern Park Ranges, B.C. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1988. http://dx.doi.org/10.4095/122697.

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Dechesne, R. G., and E. W. Mountjoy. Structural geology of part of the Main Ranges near Jasper, Alberta. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1988. http://dx.doi.org/10.4095/122698.

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Kistner-Thomas, Erica. Potential Geographical Range & Abundance of the Invasive Brown Marmorted Stink Bug under Climate Change Scenarios. USDA Midwest Climate Hub, 2019. http://dx.doi.org/10.32747/2018.6947063.ch.

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Climate change is predicted to exacerbate agricultural losses from crop pests and pathogens by 1) expanding their geographic ranges, 2) reducing winter die-offs, and 3) increasing the number of generations produced per year. For example, numerous crop pests and pathogens have expanded their range northward since the 1960s due, in part, to warming annual temperatures.
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Tierney, Geraldine. Climate change trends and impacts at Martin Van Buren National Historic Site: Focused condition assessment report. National Park Service, 2022. http://dx.doi.org/10.36967/nrr-2289957.

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This assessment synthesizes information about current and projected climate and related impacts at Martin Van Buren National Historic Park (MAVA) in order to help park stewards understand, plan, and manage for climate change. Working with a group of park managers, scientists, and local stake-holders, six key park resources were identified for assessment herein: Climate, Water quantity, Phenology, Agriculture, Trees, and Cultural resources. Where data was available, this analysis assessed current condition and considered mid-century (2030–2060) and end-of-century (2100) impacts based on a range of projected future climate conditions, including reduced, low, high and highest emission pathways. Climate change stressors identified for MAVA include: Increased temperature, increased hot days, increased precipitation, increased extreme precipitation events, increased flooding and erosion, shifting ranges of both native species and pest, pathogen and weed species, and phenological shifts and mismatches.
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Cary, Dakota. Downrange: A Survey of China’s Cyber Ranges. Center for Security and Emerging Technology, 2022. http://dx.doi.org/10.51593/2021ca013.

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China is rapidly building cyber ranges that allow cybersecurity teams to test new tools, practice attack and defense, and evaluate the cybersecurity of a particular product or service. The presence of these facilities suggests a concerted effort on the part of the Chinese government, in partnership with industry and academia, to advance technological research and upskill its cybersecurity workforce—more evidence that China has entered near-peer status with the United States in the cyber domain.
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Bingham, Sonia, Craig Young, and Tanni Hubbard. Sentinel wetlands in Cuyahoga Valley National Park: II. Condition trends for wetlands of management concern, 2008?2018. National Park Service, 2023. http://dx.doi.org/10.36967/2301705.

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Twenty important management areas (wetlands of management concern) and reference wetlands compose the sentinel wetlands at Cuyahoga Valley National Park. These wetlands are monitored more intensively than other wetlands in the program. This is the second report in a two-part series, designed to summarize the results from intensive vegetation surveys completed at sentinel wetlands from 2008 to 2018. The first report (Bingham and Young 2023) characterized the conditions in each wetland and provided baseline reference information for other reports and site-specific projects. In this report, we examine results from five selected metrics more closely within and across three natural wetlands of management concern groups (restoration wetlands, mitigation wetlands, and rare habitat wetlands) using the reference wetlands as overall benchmarks. We used the Ohio Rapid Assessment Method (ORAM) to evaluate habitat in the sentinel wetlands. In addition, a total of 37 long-term sample plots were established within these wetlands to monitor biological conditions over time using vegetation as an indicator. Multiple plots were located in larger wetland complexes to capture spatial differences in condition. Vegetation was intensively surveyed within the plots using the Vegetation Index of Biotic Integrity (VIBI), where all plant species are identified to the lowest taxonomic level possible (genus or species). The sample plots were surveyed twice, and the five evaluation metrics included the VIBI score, Floristic Quality Assessment Index (FQAI), percent sensitive plant species, percent invasive graminoids, and species richness. For the analysis, VIBI plot locations were rank ordered based on their 2018 scores, the range and average for each metric was examined across the wetlands of management concern groups and plotted against reference wetlands for comparison, and the two survey years (pre-2015 and 2018) were plotted against each other for substantial changes from the established baseline. Across the sample plot locations, VIBI scores ranged from a low of 7 (Stanford Run SF1) to a high of 91 (Columbia Run 554). The top scoring plots were at four reference wetlands (Stumpy Basin 526, Virginia Kendall Lake 241K, Columbia Run 554, and Boston Mills 683) and one rare habitat wetland (Beaver Marsh BM3). All of these plots fell within an excellent condition range in one or both survey years. They each have unique habitats with some specialized plant species. The majority (24) of the sentinel wetlands plots ranked within the poor or fair ranges. These include the three mitigation wetlands: Brookside 968, Rockside RS2, and Krejci, as well as all plots within the Pleasant Valley and Stanford Run wetlands. Most of the large wetlands had dramatic condition differences within their boundaries? effected by pollution sources, land-use modifications, and/or invasive species in some areas more than others. We documented these wide condition ranges at Fawn Pond, Virginia Kendall Lake, Beaver Marsh and Stumpy Basin, but the most pronounced within-wetland differences were at Virginia Kendall Lake, which had a 58-point difference between the highest and lowest scoring plot. Fawn Pond is in good condition at most plots and scored very high in comparison to other wetlands within the riverine mainstem hydrogeomorphic class. The average and range of most metric scores were notably different across the four different wetlands groups. Average values at rare habitat wetlands plots were similar to reference plots for VIBI and FQAI scores, percent invasive graminoids, and percent sensitive metrics. Krejci KR1 and Fawn Pond FP3 had unusually high percent cover of sensitive species (31.0% and 27.9%, respectively) for the mitigation and restoration groupings. However, average overall metric scores across the restoration and mitigation wetlands were generally very low, with Stanford Run being the lowest scoring restoration wetland and Brookside being the lowest scoring mitigation wetland. With restoration efforts completed, the expectation is that mitigation wetlands should be performing much higher. Two of the three mitigation wetlands sites are not meeting the mitigation benchmarks that were created for them by the US Army Corp of Engineers and the Ohio Environmental Protection Agency. Contractor reports state that the wetlands met the criteria within the first five years of establishment. However, upon release from monitoring and maintenance, invasive species have gradually re-established, which has led to condition deterioration over time, and lower metric scores. VIBI scores stayed the same or improved (only slightly in many cases) in the majority of plots (67.6%) between survey years. The Krecji mitigation wetlands had the largest improvement in VIBI scoring. Scores at six plots decreased by at least 10 points from the baseline survey. Two of the park?s most beloved wetlands, Beaver Marsh (at one location) and the Stumpy Basin reference plot, had the two most notable declines in VIBI scores. In 2018, 11 plots (29.7%) had greater than 25% invasive graminoid cover (e.g. cattail, common reed grass, reed canary grass) and 18 plots (48.7%) experienced an increase in invasive graminoid cover between survey years. A marked increase (&gt;10% cover) in invasive graminoids was documented at eight locations (Rockside 1079RS2, Beaver Marsh BM5, Fawn Pond FP3 and FP4, Brookside 968, Stumpy Basin SB1, and two other Pleasant Valley plots: 1049 and 969). These trends are likely to continue, and biological conditions are expected to deteriorate at these wetlands in response. Regardless of invasive species increases, many of the wetlands showed remarkable resilience over the last decade with fairly stable VIBI categories.
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Runyon, Amber, John Gross, Gregor Schuurman, David Lawrence, and Joel Reynolds. Methods for assessing climate change exposure for national park planning. National Park Service, 2024. http://dx.doi.org/10.36967/2302720.

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Climate change is already threatening resources, assets, operations, and visitors in national parks. As park managers cope with existing challenges and adapt to a rapidly changing climate, demand is growing for products that characterize how climate is projected to change in the future (?climate exposure?). To meet this demand, the National Park Service Climate Change Response Program has developed park-specific summaries of climate exposure for all parks in the conterminous U.S. to help inform and support a broad range of climate assessments and adaptation efforts and activities. This report describes methods to assess historical climate trends, develop and select relevant, divergent climate futures, and calculate metrics used in the climate future summaries.
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