{"id":223,"date":"2018-10-25T19:04:57","date_gmt":"2018-10-25T19:04:57","guid":{"rendered":"https:\/\/goetzlab.rc.nau.edu\/?page_id=223"},"modified":"2026-10-28T23:05:00","modified_gmt":"2026-10-28T23:05:00","slug":"boreal-vegetation-dynamics","status":"publish","type":"page","link":"https:\/\/goetzlab.rc.nau.edu\/index.php\/boreal-vegetation-dynamics\/","title":{"rendered":"Boreal"},"content":{"rendered":"\n

Drivers and Impacts of Reburning in boreal forest Ecosystems (DIRE)<\/h1>\n\n\n\n
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Photo credit: Matt Prokopchuk, CBC 2016<\/figcaption><\/figure>\n\n\n\n
lead<\/h5>\n\n\n\n

Xanthe Walker (NAU)<\/p>\n\n\n\n

C0-leads<\/h5>\n\n\n\n

Logan Berner, Scott Goetz, Katie Orndahl<\/p>\n\n\n\n

keywords<\/h5>\n\n\n\n

Boreal forest, reburn, stand age, remote sensing, fire return interval, vegetation successional trajectories, climate change<\/em><\/p>\n\n\n\n

Historically, northern ecosystems have acted as a net carbon (C) sink, accumulating C from the atmosphere over centuries. However, as the climate warms wildfire disturbance has become more frequent and more intense, with rapid impacts on the structure and function of high-latitude ecosystems. Research has shown that shorter fire return intervals, or reburning, can shift northern ecosystems to become net C sources. This projects seeks to fill the critical research gap of understanding where and when reburning occurs and the consequences of reburning for post-fire vegetation successional trajectories throughout the ABoVE Domain. Remote sensing is essential for assessing these reburning dynamics across large spatial and temporal scales and ultimately forecasting the resilience or vulnerability of boreal forest ecosystems under a warming climate.<\/p>\n\n\n\n

This project is part of ABoVE.<\/a> More information about this project can be found here<\/a>.<\/em><\/p>\n\n\n\n

Fire Self Regulation in boreal forest ecosystems (FiSL)<\/h1>\n\n\n\n
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Credit US Forest Service<\/figcaption><\/figure>\n\n\n\n
lead<\/h5>\n\n\n\n

Michelle Mack<\/p>\n\n\n\n

co-lead<\/h5>\n\n\n\n

Scott Goetz, Logan Berner, Adrianna Foster, Katie Orndahl<\/p>\n\n\n\n

keywords<\/h5>\n\n\n\n

Boreal forest, climate change,<\/em><\/em> fire, remote sensing, modeling, mapping<\/em><\/p>\n\n\n\n

Arctic and boreal forests, tundra, and cold underlying soils together store 30% of the world’s terrestrial carbon, an amount twice that currently stored in the atmosphere. As the climate warms, Arctic and boreal wildfires are becoming more frequent and intense, burning larger areas. These fires release older carbon to the atmosphere, and by doing so could affect global climate, change the forest ecosystems, and possibly slow climate-driven increases in fire activity. This project explores feedbacks between fire and vegetation, also called fire self-regulation. It is addressing two primary questions: (1) What is the current evidence for the ecological process of fire self-regulation, and can it slow the effects of climate warming on fire activity? (2) How does consideration of fire self-regulation affect projections of future ecosystem and landscape structure, function, and climate forcing? This work uses field and remote sensing data to quantify previous patterns and simulation modeling to predict current and future ecological dynamics. The results will inform improved tools for wildland and fire managers across Alaska, assisting with efforts to mitigate wildfire effects on residents and critical infrastructure.<\/p>\n\n\n\n

More information about this project can be found here<\/a>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Drivers and Impacts of Reburning in boreal forest Ecosystems (DIRE) lead Xanthe Walker (NAU) C0-leads Logan Berner, Scott Goetz, Katie Orndahl keywords Boreal forest, reburn, stand age, remote sensing, fire return interval, vegetation successional trajectories, climate change Historically, northern ecosystems have acted as a net carbon (C) sink, accumulating C from the atmosphere over centuries. … <\/p>\n

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