TY  - RPRT
TI  - Conclusions, synthesis, and future directions: understanding sources of population change
AU  - Daniel Esler
AU  - Paul L. Flint
AU  - Dirk V. Derksen
AU  - Jean-Pierre L. Savard
AU  - John M. Eadie
PY  - 2015
UR  - https://pubs.usgs.gov/publication/70100664
ID  - 70100664
ER  -