October 29, 2014
Surficial geologic map of the Red Rock Lakes area, southwest Montana
By Ken Pierce (GECSC), Tara Chesley-Preston, and Richard Sojda. U.S. Geological Survey Open-File Report 2014-1157.
The Red Rock Lakes map is located in southwestern Montana and centers on the Red Rock Lakes National Wildlife Refuge. The terrain of the mapped area varies from the Centennial Valley and Centennial Range to watery lowlands containing Upper and Lower Red Rock Lakes, many ponds, and peat lands. New mapping within this map provides insight to the Quaternary evolution of the Centennial Valley and associated southern-bounding Centennial fault. Along with the map and pamphlet, this publication includes downloadable GIS files.
October 28, 2014
Ecological Change on California's Channel Islands from the Pleistocene to the Anthropocene
By Torben Rick, Scott Sillett, Cameron Ghalambor, Courtney Hofman, Katherine Ralls, Scott Anderson, Christina Boser, Todd Braje, Daniel Cayan, Terry Chesser, Paul Collins, Jon Erlandson, Kate Faulkner, Robert Fleischer, Chris Funk, Russell Galipeau, Ann Huston, Julie King, Lyndal Laughrin, Jesus Maldonado, Kathryn McEachern, Dan Muhs (GECSC), Seth Newsome, Leslie Reeder-Myers, Christopher Still and Scott Morrison. Published in BioScience.
This report integrates data from multiple disciplines to illuminate the past, present, and future of biodiversity on California's Channel Islands, an archipelago that has undergone a wide range of land-use and ecological changes. The analysis presented spans approximately 20,000 years, from before human occupation and through Native American hunter-gatherers, commercial ranchers and fishers, the US military, and other land managers. It demonstrates that long-term, interdisciplinary research provides insight into conservation decisions, preserves rare and endemic taxa, and reduces the impacts of climate change on natural and cultural resources.
October 16, 2014
Glacial and Quaternary geology of the northern Yellowstone area, Montana and Wyoming
By Ken Pierce (GECSC), Joseph Licciardi, Teresa Krause, and Cathy Whitlock. Published in Geological Society of America Field Guide 37—Exploring the Northern Rocky Mountains.
This field trip of the Exploring the Northern Rocky Mountains Field Guide focuses on the glacial geology and paleoecology beginning in Paradise Valley, Montana and progressing southward into northern Yellowstone National Park. The stops on the route present glacial features with description and information on their formation. Also presented here is an overview of the paleoecology and paleo-fire history of the field trip area.