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Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks collected as part of the Dragonfly Mercury Project (DMP). This data release supersedes Eagles-Smith, C.A., Nelson, S.J., Flanagan-Pritz, C.M., Willacker Jr., J.J., and Klemmer, A.J., 2018, Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 8.0, December 2022): U.S. Geological Survey data release, https://doi.org/10.5066/P9TK6NPT. Please contact fresc_outreach@usgs.gov for access.
Categories: Data, Data Release - Revised; Tags: Acadia National Park, Allegheny Portage Railroad National Historic Site, Amistad National Recreation Area, Apostle Islands National Lakeshore, Appomattox Court House National Historical Park, All tags...
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This metadata is for the vegetation and land-use geo-spatial database for City of Rocks National Reserve (CIRO) and Castle Rocks State Park, Idaho and surrounding areas. This project is authorized as part of the USGS/NPS Vegetation Inventory Program. The program is being administered by the National Park Service's (NPS) Inventory and Monitoring Program in conjunction with the Biological Resources Division (BRD) of the United States Geological Survey (USGS). This mapping effort was performed by Cogan Technology Inc. (CTI) under contract to Northwest Management, Inc (NMI) and the Upper Columbia Basin Inventory and Monitoring Network (UCBN) of the National Park Service.
Abstract (from http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0070454): Managers of protected natural areas increasingly are confronted with novel ecological conditions and conflicting objectives to preserve the past while fostering resilience for an uncertain future. This dilemma may be pronounced at range peripheries where rates of change are accelerated and ongoing invasions often are perceived as threats to local ecosystems. We provide an example from City of Rocks National Reserve (CIRO) in southern Idaho, positioned at the northern range periphery of pinyon-juniper (P-J) woodland. Reserve managers are concerned about P-J woodland encroachment into adjacent sagebrush steppe, but the rates...


    map background search result map search result map City of Rocks National Reserve Vegetation Mapping Project - Spatial Vegetation Data Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 9.0, November 2023) City of Rocks National Reserve Vegetation Mapping Project - Spatial Vegetation Data Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 9.0, November 2023)