Geosciences and Environmental Change Science Center
November 25, 2015
Determinants of public support for endangered and threatened species management: A case study of Cape Lookout National Seashore
By Lana Le, Ken Bagstad (GECSC), Philip Cook, Kirsten Leong, and Eva DiDonato. Published in the Journal of Park and Recreation Administration.
At national parks, where managers balance two aspects of their conservation mission—to protect resources and to provide for public enjoyment, gaining public support for management actions is especially important. This study conducted visitor surveys at Cape Lookout National Seashore (a unit of the National Park Service) and examined the variables that could potentially be associated with support for management actions related to threatened and endangered species management. The results show that among the variables examined, perceived values of threatened and endangered species, trust in park managers and the decision making process, and perceived share values with park managers were among the strongest indicators of support for management actions.
November 24, 2015
Temporal and spatial patterns of wetland extent influence variability of surface water connectivity in the Prairie Pothole Region, United States
By Melanie Vanderhoof (GECSC), Laurie Alexander, and Jason Todd. Published in Landscape Ecology.
In order to help improve our understanding of the multiple effects of wetlands on downstream waterways, this study quantified how surface water interactions between wetlands and streams varied both spatially and interannually at the landscape scale. The results show wetland extent correlates positively with the merging of wetlands and wetlands with streams. The degree of wetland merging was found to depend less on total wetland area or density and more on climate conditions as well as the threshold for how wetland/upland was defined. In contrast, the merging of wetlands with streams was positively correlated with stream density and inversely related to wetland density.
November 20, 2015
Potential Application of Radiogenic Isotopes and Geophysical Methods to Understand the Hydrothermal System of the Upper Geyser Basin, Yellowstone National Park
By Jim Paces (GECSC), Andrew Long, and Karl Koth. Published by the National Park Service.
Yellowstone National Park contains the world's largest concentration of geysers and geothermal features. To better understand the underlying hydrogeologic processes, this report presents the first 87Sr/86Sr and 234U/238U data for thermal water from the Upper Geyser Basin intended to evaluate whether heavy radiogenic isotopes might provide insight to sources of groundwater supply and how they interact over time and space. In addition, this report summarizes previous geophysical studies made at Yellowstone National Park and provides suggestions for applying non-invasive ground and airborne studies to better understand groundwater flow in the subsurface of the Upper Geyser Basin.
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