TY  - RPRT
TI  - Species richness and soil properties in Pinus ponderosa forests: A structural equation modeling analysis
AU  - D.C. Laughlin
AU  - S.R. Abella
AU  - W.W. Covington
AU  - J.B. Grace
PY  - 2007
DO  - 10.1658/1100-9233(2007)18[231:sraspi]2.0.co;2
UR  - https://pubs.usgs.gov/publication/70030105
ID  - 70030105
ER  -