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Climate Change


Storage of atmospheric carbon is an important ecosystem service of healthy forests and woodlands because it mitigates the effects of anthropogenic greenhouse gas emissions. International reporting of this service places a premium on the specificity and precision of monitoring data used to estimate carbon storage or emission. An inventory of land cover change is a critical component of most national-level accounting systems, and the Landsat series of satellites is a uniquely positioned to provide this land cover change “activity data.” In Eastern Africa, there are already high-quality Landsat-based cover maps for 2 or 3 points in time. However, these maps do not provide the annual land cover change information needed for higher-tier IPCC reporting, and land cover changes inferred from independent maps at different dates cannot easily be assigned a level of uncertainty.
A historically consistent and broadly applicable monitoring, reporting, and verification system based on lidar sampling and Landsat time-series (tested in the US, and applied to the US NGHGI reporting system).
We will deliver a spatially explicit predictive tool depicting resilience to disturbance and resistance to cheatgrass (Bromus tectorum) invasion across the Great Basin.
The Lassen and Modoc National Forests are revising their Forest Plans, guided by the 2012 Planning Rule. This requires public and tribal input throughout the process and embraces the fact that ecological, social, and economic objectives are interrelated. Because ecological, social, and economic conditions have changed since the original forest plans were written and new science is available, preparing a science synthesis, guided by input from the public, tribes, and forest staffs, is the first step in a multi-step process that eventually leads to revised forest plans.
Successful ecosystem restoration often relies on outplanting seedlings grown in nurseries. These seedlings must be of high quality; a healthy, vigorous root system is essential. This project examines how root modification achieved in nurseries affects long-term root architecture and current fine-root growth of ponderosa pine.
Evaluating effects of climate change on whitebark pine trees.
Lick Creek Demonstration-Research Forest: 25-year fire and cutting effects on vegetation and fuels.
The impact of fire on conifer defenses.
Mortality reconsidered: Testing and extending models of fire–induced tree mortality across the United States.
Changes in fuel loading and conifer mortality risk factors due to bark beetles and drought in California.