Sentences with phrase «on whitebark»

Not exact matches

«By combining field data on seed and pollen production for whitebark pines with models that simulate mature cone production, this study helps to answer that question for these pines.»

Despite having a strong defense system, the mountain pine beetles prefer feeding on lodgepole pine trees suggesting that they have not yet adjusted its host preference to whitebark pine.

Currently we are focused on the ectomycorrhizal fungi associated with whitebark pine and the biodiversity / biogeography of true alpine fungi in the Rocky Mountains.

The hope for whitebark pines in the face of the blister rust epidemic is that some trees are resistant and pass that resistance on to seedlings, which can be replanted in the wild, until genetic resistance to blister rust is well - distributed.

A few years ago, Six was stunned to find sites where the mountain pine beetle was skipping right over lower - altitude stands of lodgepole pines, to focus on and kill whitebark pine stands at higher altitudes.

YELLOWSTONE NATIONAL PARK - A history of fire suppression, an invasive fungal plague, and rampant insect infestation fueled by global warming add up to likely extinction for the whitebark pine and serious trouble for the grizzly bear and other species that depend on it, some scientists say.

The bears raid squirrel middens or caches of stored whitebark pine nuts in the fall, adding on the layers of fat that will get the bears through long winters, and improve the odds that grizzly mothers will have successful pregnancies.