TY  - RPRT
TI  - Conceptual ecological models to support detection of ecological change on Alaska National Wildlife Refuges
AU  - Andrea Woodward
AU  - Erik A. Beever
PY  - 2011
DO  - 10.3133/ofr20111085
UR  - https://pubs.usgs.gov/publication/ofr20111085
ID  - ofr20111085
ER  -