These data consist of Level 2 field-verified, field-verified (F-V) with supplemental data, and remotely-sensed (potential) vernal pool locations submitted to the Vernal Pool Data Cooperative (VPDC) by cooperators from Maine, Maryland, New Hampshire, New York, Nova Scotia, Pennsylvania, and Virginia.
Data submitted to the VPDC were subject to any of three data restriction categories established by the original data source. The data restriction categories are:
Level 1: Unrestricted– Available for visualization and download through the NALCC Conservation Planning Atlas (http://nalcc.databasin.org/datasets/2598ed7c6e16461d9e4478967ad3f992);
Level 2: Visualization only– Available for visualization in the Conservation Planning Atlas; download requires permission from data source;
Level 3: Restricted– Not available for visualization or download; access requires permission from data source.
Data submitted to the VPDC do not represent a comprehensive picture of all vernal pools on the landscape. Many data gaps exist, including in states that have conducted statewide mapping using remote-sensing methods (MA, NJ, and VT), in which errors of commission and errors of omission are inherent. In addition, other sources of vernal pool data exist that were not submitted to the VPDC.
Work on this project by the VPDC was led by the Vermont Center for Ecostudies under sponsorship of the North Atlantic Landscape Conservation Cooperative (NALCC).