Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Small Mammals Inventory Data for the National Parklands of Northern Alaska

Published by National Park Service | Department of the Interior | Metadata Last Checked: January 25, 2026 | Last Modified: 2025-07-16T00:00:00Z
This dataset includes small mammal capture records collected by the National Park Service’s Arctic Inventory and Monitoring Program (Lawler et al. 2009) between 2000 and 2003 (Cook and MacDonald, 2004). Sampling occurred across five National Parklands including Bering Land Bridge National Preserve, Cape Krusenstern National Monument, Gates of the Arctic National Park and Preserve, Kobuk Valley National Park, and Noatak National Preserve. The study was a collaborative effort between the Beringian Coevolution Project at the Museum of Southwestern Biology, University of New Mexico, and the ARCN Inventory and Monitoring Program of the National Park Service, Alaska Region. Report A full analysis of the small mammal dataset can be found in: Cook, J. A., and S. O. MacDonald. 2004. Mammal inventory of Alaska’s National Parks and Preserves: Arctic Network: Bering Land Bridge NP, Cape Krusenstern NM, Kobuk Valley NP, Noatak NP, and Gates of the Arctic NP&P. National Park Service Alaska Region, Inventory and Monitoring Program Final Report 2006. https://irma.nps.gov/DataStore/Reference/Profile/2166155. The data here are also presented in Table 1 of the document above. Keywords Mammals, small mammals, inventory, NPS Arctic Network, Bering Land Bridge National Preserve, Cape Krusenstern National Monument, Gates of the Arctic National Park and Preserve, Kobuk Valley National Park, Noatak National Preserve Files This data release consists of a single file, ARCN_Mammals_Inventory_Captures_Data.csv. Columns Descriptions Table 1. Columns descriptions. Column DataType Definition Units Park character NPS unit. Trapline character Trapline identifier. Count integer Count. Location character General location. TraplineNumber numeric Trapline number. Latitude numeric Latitude. Decimal degrees. North American Datum, 1927. Longitude numeric Longitude. Decimal degrees. North American Datum, 1927 Elevation_m numeric Elevation. Meters Trap_Night numeric Trap nights. Vegetation character Vegetation description. Note character Note. StartDate Date Start date. Date (YYYY-MM-DD) EndDate Date End date. Date (YYYY-MM-DD) Genus character Genus Species character Species.

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov