TY  - RPRT
TI  - When can the cause of a population decline be determined?
AU  - Trevor J. Hefley
AU  - Mevin Hooten
AU  - John M. Drake
AU  - Robin E. Russell
AU  - Daniel P. Walsh
PY  - 2016
DO  - 10.1111/ele.12671
UR  - https://pubs.usgs.gov/publication/70176971
ID  - 70176971
ER  -