Breeding bird survey data

The data are maintained by the USGS (https://www.pwrc.usgs.gov/bbs/RawData/) and provides information on the trends and status of North American bird populations reported as a population abundance index. This dataset is not publicly accessible because: It is secondary data maintained by USGS. It can be accessed through the following means: https://www.pwrc.usgs.gov/bbs/RawData/). Format: Electronic text files.

This dataset is associated with the following publication: Sundstrom, S., T. Eason, J. Nelson, D. Angeler, C. Barichievy, A. Garmestani, N. Graham, D. Granholm, L. Gunderson, M. Knutson, K. Nash, M. Nystrom, T. Spanbauer, C. Stow, and C. Allen. Detecting spatial regimes in ecosystems. ECOLOGY LETTERS. Blackwell Publishing, Malden, MA, USA, 20(1): 19-32, (2017).