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Author Mace, B.L.; McDaniel, J.
Title Visitor Evaluation of Night Sky Interpretation in Bryce Canyon National Park and Cedar Breaks National Monument Type Journal Article
Year 2013 Publication Journal of Interpretation Research Abbreviated Journal J. of Interp. Res.
Volume 18 Issue 2 Pages 39-57
Keywords parks; interpretation; social studies; Bryce Canyon National Park; Cedar Breaks National Monument; dark skies
Abstract Natural lightscapes are an important resource for parks and protected areas, including Bryce Canyon National Park and Cedar Breaks National Monument. Both locations offer night sky interpretive programs, attracting over 27,000 visitors annually, equaling all other interpretive programs combined. Parks need to understand what drives visitor interest and park managers need to assess if night sky interpretation is meeting expectations. A total of 1,179 night and day visitors to Bryce Canyon National Park and Cedar Breaks National Monument served as participants and completed a 36-item survey measuring knowledge, attitudes, benefits, and behaviors related to the night sky. Results show those who attended a night sky interpretive program gained a significant amount of knowledge about night sky issues. Both day and night visitors have strongly held attitudes about light pollution and the protection of the night sky in national parks.
Address Department of Psychology, Southern Utah University, Cedar City, UT 84720 USA
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Call Number IDA @ john @ Serial 374
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Author Lima, R.C.; da Cunhac, J.P.; Peixinho, N.
Title Light Pollution: Assessment of Sky Glow on two Dark Sky Regions of Portugal Type Journal Article
Year 2016 Publication Journal of Toxicology and Environmental Health, Part A: Current Issues Abbreviated Journal J Toxicol Environm Health
Volume 79 Issue 7 Pages 307-319
Keywords Skyglow; Portugal; Peneda-Gerês National Park; Alqueva
Abstract Artificial light at night (ALAN), producing light pollution (LP), is not a matter restricted to astronomy anymore. Light is part of modern societies and, as a consequence, the natural cycle day–night (bright–dark) has been interrupted in a large segment of the global population. There is increasing evidence that exposure to certain types of light at night and beyond threshold levels may produce hazardous effects to humans and the environment. The concept of “dark skies reserves” is a step forward in order to preserve the night sky and a means of enhancing public awareness of the problem of spread of light pollution worldwide. The aim of this study was to assess the skyglow at two sites in Portugal, the Peneda-Gerês National Park (PNPG) and the region now known as Dark Sky Alqueva Reserve. The latter site was classified as a “Starlight Tourism Destination“ by the Starlight Foundation (the first in the world to achieve this classification) following a series of night sky measurements in situ described herein. The measurements at PNPG also contributed to the new set of regulations concerning light pollution at this national park. This study presents the first in situ systematic measurements of night sky brightness, showing that at the two sites the skies are mostly in levels 3 to 4 of the Bortle 9-level scale (with level 1 being the best achievable). The results indicate that the sources of light pollution and skyglow can be attributed predominantly to contamination from nearby urban regions.
Address Physics, School of Allied Health Technologies of the Polytechnic Institute of Porto, Portugal;
Corporate Author Thesis
Publisher Taylor & Francis Place of Publication Editor
Language English Summary Language English Original Title
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Notes Approved no
Call Number IDA @ john @ Serial 1408
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Author Derrien, M.M; Patricia A. Stokowski, P.A; Manning, R.E.
Title A Rhetorical Analysis of National Park Service and Community Leader Discourses about Night Skies at Acadia National Park Type Journal Article
Year 2015 Publication Journal of Park and Recreation Administration Abbreviated Journal J. of Park and Rec. Admin.
Volume 33 Issue 3 Pages 32-47
Keywords Society; parks; outreach; Acadia National Park
Abstract Dark night skies are becoming increasingly scarce as human populations increase and development continues to sprawl. Light pollution, and its ecological, social, and cultural impacts are transboundary, multi-jurisdictional issues that require planning and management involving multiple actors on multiple scales. This study examines management of dark night skies at Acadia National Park, where the park and community have worked to keep the night skies relatively dark. Park service managers and community leaders were interviewed, and qualitative methods were used to better understand how each group discursively made the case for the meaning and management of dark night skies at Acadia. In addition to analyzing the explicit content of interviews, enthymemes--arguments with implicit claims--were also evaluated. The rhetorical analysis also focused on the stylistic techniques that supported enthymematic claims; these included establishing legitimacy and credibility, positioning leaders relative to others, and ambiguity. This study showed that NPS arguments tended to frame the role of the community as “buying in” to NPS's efforts to uphold its new night sky-inclusive management policies, while community leaders argued that the night sky was an economic asset, discursively retaining their autonomous interests. Rhetorical discourses functioned to forge the semblance of agreement and the appearance of a “win-win” situation for both groups, even though the underlying premises of their arguments were often and the goals of its management. Other research has found that contested case, contested meanings seemed to represent a case of adjustment and shared responsibility.
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Publisher Sagamore Place of Publication Editor
Language English Summary Language English Original Title
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Notes Approved no
Call Number IDA @ john @ Serial 1276
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Author Grove, L.
Title Reducing Acadia's Light Pollution Type Manuscript
Year 2016 Publication Abbreviated Journal
Volume Issue Pages
Keywords Conservation; Society; Economics; Acadia National Park; Maine; benefit cost analysis; astrotourism; contingent valuation method; dark sky places; dark sky park
Abstract Acadia National Park is among the most visited national parks in the United States, attracting millions of people per year. Thousands of those visitors come to the park for “astro-tourism,” as Acadia has become one of the premier stargazing locations on the east coast. There remains, however, the continued threat from light pollution from the surrounding communities that negatively affects Acadia's darkness, contributing to a lesser visitor experience and potentially harming native ecosystems. Although park management and community organizations have engaged in significant efforts to decrease Acadia's nighttime light levels and raise awareness among visitors and locals regarding the importance of darkness, the park still seek to continue to decrease light pollution. This report developed policy options that could help solve the long-term policy goal of decreasing nighttime lighting levels within and around Acadia while also using the International Dark-Sky Association's Dark-Sky Park designation requirements as a reasonable, short-term policy benchmark.

Working within existing organizations, the policy options crafted to address Acadia’s nighttime lighting levels were analyzed both qualitatively through a criteria evaluation and quantitatively through a Benefit Cost Analysis.

The options included 1) the formation of a Darkness Coalition within the League of Towns, 2) a reimagining of the Worcester Polytechnic Institute Dark-Sky Project into the Dark-Sky Taskforce, 3) the creation of a Lighting Consultant position paid through the Friends of Acadia Wild Acadia initiative, and 4) the combination of Coalition and the Taskforce into the League of Towns – Dark-Sky Partnership (LOT-DSP). The report recommends the adoption of Option 4 – the creation of the LOT – DSP. While this option does not provide the greatest estimated monetary net value compared to the Status Quo in the quantitative evaluation, it still provides an estimated benefit of about $105 million over the course of five years and is the strongest option in the qualitative analysis. The LOT – DSP provides the best opportunity for Acadia to achieve legitimate and long-lasting nighttime light level reduction.
Address Frank Batten School of Leadership and Public Policy, Garrett Hall, 235 McCormick Road, P.O. Box 400893, Charlottesville, VA 22904-4893 USA; locher.grove(at)gmail.com
Corporate Author Thesis Master's thesis
Publisher University of Virginia Place of Publication Charlottesville Editor
Language English Summary Language English Original Title
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Notes Approved no
Call Number IDA @ john @ Serial 1449
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Author Bará, S., Ulla, A.
Title Light Pollution in the Galician Atlantic Islands Maritime-Terrestrial National Park 2018 Report Type Report
Year 2018 Publication Abbreviated Journal
Volume Issue Pages
Keywords Conservation; Spain; Galicia; Europe; national park
Abstract The Galician Atlantic Islands Maritime-Terrestrial National Park (PNMTIAG), with the exception of the island of Cortegada, still has night skies of acceptable quality. However, the PNMTIAG islands are under strong photic pressures, both internal and external, that hinder the preservation of the basic features of the natural night, and call for an immediate action of all concerned stakeholders
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Publisher USC Tragsa Place of Publication Editor
Language Galician Summary Language Galician Original Title
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Notes Approved no
Call Number IDA @ john @ Serial 2187
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