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January 2020

Spatial fingerprint of deglacial temperature change in eastern North America: More than one way to kill a spruce forest – Dr. Jack Williams

January 30 @ 4:00 pm

Dr. Jack Williams, UW Madison Thursday, January 30, 2020 4 pm, Nutting 100   The last deglaciation in eastern North America offers a classic system for studying climate-driven forest range dynamics during large and abrupt climate changes, but paleoclimate and paleofire records are surprisingly scarce. In this talk, I will first present new reconstructions of the spatial fingerprint of deglacial temperature variations in eastern North America, then focus on the collapse of spruce woodlands in the southern Great Lakes, to…

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Ecological Responses to Climate Change; Lessons from the Past – Jack Williams

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February 2020


February 3 @ 12:00 pm
138 Sawyer Environmental Research Building, 138 Sawyer Env. Res. Building, University of Maine

CONSERVATION PALEOBIOLOGY ON ACADIA’S MOUNTAINS Caitlin McDonough MacKenzie Second Century Stewardship Fellow University of Maine Monday, February 3, 2020, 12pm 138 Sawyer Conference Room Abstract:  Conservation practitioners depend on accurate assessments of climate change vulnerability in allocating limited resources to protect and steward natural resources. The subalpine plants on Acadia National Park’s open granite ridges have been interpreted as post-glacial tundra relicts, however paleoecological records above treeline are sparse and this assumption remains untested. Could subalpine plant communities in Acadia represent persistent…

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