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This is a collaborative project between the National Park Service (NPS) and Oregon State University (OSU) for the purpose of studying the genetic connectivity of pika populations in five NPS units. OSU researchers will use individual and population-based genetic analyses to systematically estimate genetic distances among individuals and gene flow among patches or populations in NPS units in two very different habitats (talus vs. lava beds). Genetic distances among individuals or gene flow among groups reflect (in part) the degree that individuals are related and that populations are interacting via dispersal. Thus, researchers will use variation in genetic distance or gene flow to infer how landscapes (e.g., dispersal...
The National Park Service and Portland State University will collaborate in a field-based project to accurately map the spatial extent and status of the rapidly changing glacial ice on Mount Rainier. In particular, areas of active (moving) ice will be distinguished from stagnant (non-moving) ice, which is of premier importance for hazard planning. In the future, glacier maps can be updated rapidly using remotely sensed data, and avoiding expensive future field efforts. Deliverables will include identifying the true spatial extents of the glaciers, including: rock and debris covered areas (usually not mapped correctly in earlier surveys), and stagnant (versus active, moving) ice. Additionally, the bedrock topography...