This framework provides managers with tools to determine variability and long-term trends in cave biota. It also helps cave managers prioritize monitoring activities and provides guidance on conducting in-cave monitoring work by promoting safe and sustainable methods. Download [PDF 2MB]
Given the importance of cave crickets to subsurface ecosystems monitoring of their entrance populations can provide park managers with an early warning of potential trouble with cave ecosystem health. Download [PDF 4.8MB]
NPS/NRGRD/GRDTR-01/02. V.L. Santucci, J.P. Kenworthy, and R. Kerbo. National Park Service. 2001. Download [PDF 1.2MB]
Park-specific geologic reports and digital geologic map data are available for many parks as free downloadable files. Visit the NPS Geologic Resources Inventory.
Evaluation of Cave and Karst Programs and Issues at US National Parks
Produced by the National Cave and Karst Research Institute, this report indicates that 191 parks should have caves and/or karst features, and provides observations and recommendations based on a recent survey of park units with cave and karst resources. Download [PDF 1MB]
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Last updated: March 1, 2016