TY  - RPRT
TI  - Representation of ecological systems within the protected areas network of the continental United States
AU  - Jocelyn L. Aycrigg
AU  - Anne Davidson
AU  - Leona K. Svancara
AU  - Kevin J. Gergely
AU  - Alexa McKerrow
AU  - J. Michael Scott
PY  - 2013
DO  - 10.1371/journal.pone.0054689
UR  - https://pubs.usgs.gov/publication/70044671
ID  - 70044671
ER  -