The effects of disturbance on Northern and Southern Hemisphere Forests. Recognizing and honoring the contributions of Thomas T. Veblen in Biogeography II

Type: Virtual Paper
Theme: The Changing North American Continent
Sponsor Groups: Biogeography Specialty Group, Mountain Geography Specialty Group
Poster #:
Day: 4/7/2021
Start / End Time: 11:10 AM / 12:25 PM (PST)
Room: Virtual 9
Organizers: Alan Taylor, Kenneth Young, Rosemary Sherriff, Andres Holz, Sarah Hart
Chairs: Rosemary Sherriff

Description

Natural disturbances are fundamental drivers of forest change and disturbance regimes vary widely among forest ecosystems. Disturbance regimes range from frequent, low-severity, small scale (e.g., gap forming) disturbances to infrequent, large-scale, high-severity events that markedly alter forest structure and function. Disturbances also generate a material legacy that can amplify or buffer future forest response to disturbance via vegetation-disturbance feedbacks. These feedbacks can also be influenced by climate change Tom Veblen’s research on the role of disturbance and disturbance regimes on forest development was foundational and lead to a paradigm shift from an equilibrium to a non-equilibrium perspective in ecology. In this session, speakers who are former students, post-doctoral scholars, and colleagues will present research on disturbance as a driver of forest change in Northern and Southern Hemisphere forests that exemplifies the research Tom established and lead over 45 years at the University of Colorado.


Agenda

Type Details Minutes Start Time
Presenter Robert Andrus*, University of Colorado, Boulder, Rachel Chai, University of Colorado, Kyle Rodman, University of Wisconsin - Madison, Brian Harvey, University of Washington, Thomas Veblen, University of Colorado, Increasing rates of subalpine tree mortality linked to warmer and drier summers 15 11:10 AM
Presenter Joy Nystrom Mast*, Carthage College, The role of disturbance as a driver of change in southwestern ponderosa pine forest 15 11:25 AM
Presenter Jason Sibold*, Geography, Colorado State University, Mauro Gonzalez, Universidad Austral de Chile, Antonio Lara, Universidad Austral de Chile, Fire history of Alerce (Fitzroya cupressoides) forests of the Cordillera Pelada, Chile 15 11:40 AM
Presenter Stacy Drury*, USDA Forest Service Pacific Southwest Research Station, Lucas Harris, Department of Geography, The Pennsylvania State University, Alan Taylor, Department of Geography, The Pennsylvania State University, Fire Severity Modeling and Land Management Prioritization in the Central Sierra Nevada, California. 15 11:55 AM
Discussant Thomas Veblen University of Colorado 15 12:10 PM

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