Search Results - "Churchill, Derek J."

A carbon monitoring system for mapping regional, annual aboveground biomass across the northwestern USA by Hudak, Andrew T, Fekety, Patrick A, Kane, Van R, Kennedy, Robert E, Filippelli, Steven K, Falkowski, Michael J, Tinkham, Wade T, Smith, Alistair M S, Crookston, Nicholas L, Domke, Grant M, Corrao, Mark V, Bright, Benjamin C, Churchill, Derek J, Gould, Peter J, McGaughey, Robert J, Kane, Jonathan T, Dong, Jinwei

“…This paper presents a prototype Carbon Monitoring System (CMS) developed to produce regionally unbiased annual estimates of aboveground biomass (AGB). Our CMS…”
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Learning from wildfires: A scalable framework to evaluate treatment effects on burn severity by Chamberlain, Caden P., Meigs, Garrett W., Churchill, Derek J., Kane, Jonathan T., Sanna, Astrid, Begley, James S., Prichard, Susan J., Kennedy, Maureen C., Bienz, Craig, Haugo, Ryan D., Smith, Annie C., Kane, Van R., Cansler, C. Alina

“…Interruption of frequent burning in dry forests across western North America and the continued impacts of anthropogenic climate change have resulted in…”
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Wildfire severity and postfire salvage harvest effects on long‐term forest regeneration by Povak, Nicholas A., Churchill, Derek J., Cansler, C. Alina, Hessburg, Paul F., Kane, Van R., Kane, Jonathan T., Lutz, James A., Larson, Andrew J.

“…Following a wildfire, regeneration to forest can take decades to centuries and is no longer assured in many western U.S. environments given escalating wildfire…”
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Big trees burning: Divergent wildfire effects on large trees in open‐ vs. closed‐canopy forests by Meigs, Garrett W., Chamberlain, Caden P., Begley, James S., Cansler, C. Alina, Churchill, Derek J., Cova, Gina R., Donato, Daniel C., Halofsky, Joshua S., Kane, Jonathan T., Kane, Van R., Prichard, Susan J., Smith, L. Annie C.

“…Wildfire activity has accelerated with climate change, sparking concerns about uncharacteristic impacts on mature and old‐growth forests containing large…”
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Mapping with height and spectral remote sensing implies that environment and forest structure jointly constrain tree community composition in temperate coniferous forests of eastern Washington, United States by Bell, David M., Gregory, Matthew J., Churchill, Derek J., Smith, Annie C.

“…Maps of species composition are important for assessing a wide range of ecosystem functions in forested landscapes, including processes shaping community…”
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Adapting western North American forests to climate change and wildfires: 10 common questions by Prichard, Susan J., Hessburg, Paul F., Hagmann, R. Keala, Povak, Nicholas A., Dobrowski, Solomon Z., Hurteau, Matthew D., Kane, Van R., Keane, Robert E., Kobziar, Leda N., Kolden, Crystal A., North, Malcolm, Parks, Sean A., Safford, Hugh D., Stevens, Jens T., Yocom, Larissa L., Churchill, Derek J., Gray, Robert W., Huffman, David W., Lake, Frank K., Khatri-Chhetri, Pratima

“…We review science-based adaptation strategies for western North American (wNA) forests that include restoring active fire regimes and fostering resilient…”
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Restoring forest resilience: From reference spatial patterns to silvicultural prescriptions and monitoring by Churchill, Derek J., Larson, Andrew J., Dahlgreen, Matthew C., Franklin, Jerry F., Hessburg, Paul F., Lutz, James A.

“…► We quantified stand-level pattern in terms of individual trees, clumps, and openings. ► We used AET and Deficit to develop climate analog reference…”
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Previous wildfires and management treatments moderate subsequent fire severity by Cansler, C. Alina, Kane, Van R., Hessburg, Paul F., Kane, Jonathan T., Jeronimo, Sean M.A., Lutz, James A., Povak, Nicholas A., Churchill, Derek J., Larson, Andrew J.

“…Burn severity distributions for areas treated then burned (i.e., “treatment-fire”) and untreated burned controls. Density plots showing the frequency…”
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Perspectives: Six opportunities to improve understanding of fuel treatment longevity in historically frequent-fire forests by Radcliffe, Don C., Bakker, Jonathan D., Churchill, Derek J., Van Pelt, Robert, Harvey, Brian J.

“…Fuel-reduction and restoration treatments (“treatments”) are conducted extensively in dry and historically frequent-fire forests of interior western North…”
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Applying LiDAR Individual Tree Detection to Management of Structurally Diverse Forest Landscapes by Jeronimo, Sean M A, Kane, Van R, Churchill, Derek J, McGaughey, Robert J, Franklin, Jerry F

“…Abstract LiDAR individual tree detection (ITD) is a promising tool for measuring forests at a scale that is meaningful ecologically and useful for forest…”
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Tamm Review: Ecological principles to guide post-fire forest landscape management in the Inland Pacific and Northern Rocky Mountain regions by Larson, Andrew J., Jeronimo, Sean M.A., Hessburg, Paul F., Lutz, James A., Povak, Nicholas A., Cansler, C. Alina, Kane, Van R., Churchill, Derek J.

“…•Post-fire landscapes are today’s frontline of forest ecosystem change.•We develop principles and strategies for ecologically based post-fire…”
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Forest structure and pattern vary by climate and landform across active-fire landscapes in the montane Sierra Nevada by Jeronimo, Sean M.A., Kane, Van R., Churchill, Derek J., Lutz, James A., North, Malcolm P., Asner, Gregory P., Franklin, Jerry F.

“…•There are 30,379 ha of restored active-fire forest in the Sierra Nevada.•Eighty-one percent of active-fire forests are in National Parks.•Variation in…”
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Mixed severity fire effects within the Rim fire: Relative importance of local climate, fire weather, topography, and forest structure by Kane, Van R., Cansler, C. Alina, Povak, Nicholas A., Kane, Jonathan T., McGaughey, Robert J., Lutz, James A., Churchill, Derek J., North, Malcolm P.

“…•Examined importance of controls on mixed-severity burn patterns.•Biophysical environment and fire history best explained burn severity patterns.•Spatial…”
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Restoring fire-prone Inland Pacific landscapes: seven core principles by Hessburg, Paul F, Churchill, Derek J, Larson, Andrew J, Haugo, Ryan D, Miller, Carol, Spies, Thomas A, North, Malcolm P, Povak, Nicholas A, Belote, R. Travis, Singleton, Peter H, Gaines, William L, Keane, Robert E, Aplet, Gregory H, Stephens, Scott L, Morgan, Penelope, Bisson, Peter A, Rieman, Bruce E, Salter, R. Brion, Reeves, Gordon H

“…CONTEXT: More than a century of forest and fire management of Inland Pacific landscapes has transformed their successional and disturbance dynamics. Regional…”
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Tamm Review: Management of mixed-severity fire regime forests in Oregon, Washington, and Northern California by Hessburg, Paul F., Spies, Thomas A., Perry, David A., Skinner, Carl N., Taylor, Alan H., Brown, Peter M., Stephens, Scott L., Larson, Andrew J., Churchill, Derek J., Povak, Nicholas A., Singleton, Peter H., McComb, Brenda, Zielinski, William J., Collins, Brandon M., Salter, R. Brion, Keane, John J., Franklin, Jerry F., Riegel, Greg

“…•Mixed severity fire regime forests have been strongly impacted by a century of management.•Current climate change and wildfire impacts are entwined with past…”
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Water balance and topography predict fire and forest structure patterns by Kane, Van R., Lutz, James A., Alina Cansler, C., Povak, Nicholas A., Churchill, Derek J., Smith, Douglas F., Kane, Jonathan T., North, Malcolm P.

“…•Examined effects of the mountainous environmental mosaic in Yosemite, USA.•Examined environment effects on fire number, burn severity, and forest…”
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Cover of tall trees best predicts California spotted owl habitat by North, Malcolm P., Kane, Jonathan T., Kane, Van R., Asner, Gregory P., Berigan, William, Churchill, Derek J., Conway, Scott, Gutiérrez, R.J., Jeronimo, Sean, Keane, John, Koltunov, Alexander, Mark, Tina, Moskal, Monika, Munton, Thomas, Peery, Zachary, Ramirez, Carlos, Sollmann, Rahel, White, Angela, Whitmore, Sheila

“…•High canopy cover (≥70%) is considered an important feature of spotted owl habitat.•Using LiDAR we found tall (>48m) tree cover was the most important canopy…”
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Does large area burned mean a bad fire year? Comparing contemporary wildfire years to historical fire regimes informs the restoration task in fire-dependent forests by Donato, Daniel C., Halofsky, Joshua S., Churchill, Derek J., Haugo, Ryan D., Alina Cansler, C., Smith, Annie, Harvey, Brian J.

“…•Compared historical average annual area burned to contemporary fire years 1985–2020.•Inland Pacific Northwest forests averaged ≥ 224–291,000 ha burned…”
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Assessing fire effects on forest spatial structure using a fusion of Landsat and airborne LiDAR data in Yosemite National Park by Kane, Van R., North, Malcolm P., Lutz, James A., Churchill, Derek J., Roberts, Susan L., Smith, Douglas F., McGaughey, Robert J., Kane, Jonathan T., Brooks, Matthew L.

“…Mosaics of tree clumps and openings are characteristic of forests dominated by frequent, low- and moderate-severity fires. When restoring these fire-suppressed…”
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How are long-term stand structure, fuel profiles, and potential fire behavior affected by fuel treatment type and intensity in Interior Pacific Northwest forests? by Radcliffe, Don C., Bakker, Jonathan D., Churchill, Derek J., Alvarado, Ernesto C., Peterson, David W., Laughlin, Madison M., Harvey, Brian J.

“…Fuel treatments are commonly applied to increase resilience to wildfire in dry and historically frequent-fire forests of western North America. The long-term…”
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