TY  - RPRT
TI  - A strategy for defining the reference for land health and degradation assessments
AU  - Jeffrey E. Herrick
AU  - Patrick Shaver
AU  - David A. Pyke
AU  - Mike Pellant
AU  - David Toledo
AU  - Nika Lepak
PY  - 2019
DO  - 10.1016/j.ecolind.2018.06.065
UR  - https://pubs.usgs.gov/publication/70204644
ID  - 70204644
ER  -