Lake Tahoe fires. in the 20th Century. Between 1974 and 1996, there. were only 9 fires 4 ha ... Lake Tahoe Basin 1996. Distribution of dead trees by size class ...
Vegetation Types in Yosemite Valley Disturbance in Yosemite Valley Change in gap area 1972-1999 Bark Beetles and Conifer Hosts Pathogens and Conifer Hosts Conclusions ...
White pine blister rust: the nemesis of North American white pines A presentation by Kristen M. Baker Blister rust cankers: sugar pine whitebark pine Top kill in ...
White pine blister rust: the nemesis of North American white pines A presentation by Kristen M. Baker Blister rust cankers: sugar pine whitebark pine Top kill in ...
Foliage: defoliators, reduce capacity for photosynthesis. ... Example: balsam woolly adelgid. Native to central Europe; introduced to North America ~1900 ...
Some of these flowers have faded, but a few linger while ... Rose heath. Cardaria draba. Whitetop. evil non-native! Cryptantha pterocarya. wingnut cryptantha ...
Sugar and western white pines. Whitebark pine work in progress ... Saturation mapping of a major gene for resistance to white pine blister rust in sugar pine. ...
Most mountaineers refer to it as 'that queer little pine-tree covered all ... Juniperus californica: California juniper. Most drought tolerant conifer in US ...