| ectomycorrhizal communities of ponderosa pine and lodgepole pine in the south-central oregon pumice zone. | forest ecosystems of the pacific northwest of the usa are changing as a result of climate change. specifically, rise of global temperatures, decline of winter precipitation, earlier loss of snowpack, and increased summer drought are altering the range of pinus contorta. simultaneously, flux in environmental conditions within the historic p. contorta range may facilitate the encroachment of p. ponderosa into p. contorta territory. furthermore, successful pine species migration may be constrained ... | 2016 | 26547440 |