Treesearch
Displaying 5,751 - 5,760 of 65,164 Publications- This chapter assesses the current state of the science regarding the composition, intensity, and drivers of wildland fire emissions in the USA and Canada. Globally and in the USA wildland fires are a major source of gases and aerosols which have significant air quality impacts and climate interactions. Wildland fire smoke can trigger severe pollution episodes with substantial effects on public health. Fire emissions can degrade air quality at considerable distances downwind, hampering efforts by air regulators to meet air standards. Fires are a major global source of aerosols which affect...AuthorsShawn P. Urbanski, Susan O'Neill, Amara L. Holder, Sarah A. Green, Rick L. GrawKeywordsSourceIn: Peterson, David L.; McCaffrey, Sarah M.; Patel-Weynand, Toral, eds. 2022. Wildland Fire Smoke in the United States: A Scientific Assessment. Cham, Switzerland: Springer Nature Switzerland AG.Year2022
- Smoke chemistry (i.e., chemical transformations taking place within smoke plumes) can alter the composition and toxicity of smoke on time scales from minutes to days. Air quality agencies need better information on and better models of smoke chemistry to more accurately characterize the contributions of smoke to ambient ozone and particulate matter, and to better predict good windows for prescribed burning. The ability of these agencies to quantify the contributions of wildland fires to air pollutants and the ability of forest and burn managers to both predict and mitigate these impacts...AuthorsMatthew J. Alvarado, Kelley C. Barsanti, Serena H. Chung, Daniel A. Jaffe, Charles T. MooreSourceIn: Peterson, David L.; McCaffrey, Sarah M.; Patel-Weynand, Toral, eds. 2022. Wildland Fire Smoke in the United States: A Scientific Assessment. Cham, Switzerland: Springer Nature Switzerland AG.Year2022
- Wildfire affects hundreds of wildland-urban interface communities each year, and yet most communities lack data reflecting the conditions before an event. This study was conducted before the devastating 2020 East Troublesome Fire1, which spread across 193,812 acres and resulted in two lives lost and 366 homes and 214 other structures burned. The fire’s dramatic run threatened over 7,000 structures and led to a mandatory evacuation of over 35,000 people in Grand and Larimer Counties. The data reported here serve as baseline data to aid in understanding the parcel and social conditions...AuthorsHannah Brenkert-Smith, Abby E. McConnell, Schelly Olson, Adam Gosey, James R. Meldrum, Patricia A. Champ, Jamie Gomez, Christopher M. Barth, Colleen Donovan, Carolyn Wagner, Julia GoolsbyKeywordsSourceRes. Note RMRS-RN-94. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 178 p. https://doi.org/10.2737/RMRS-RN-94.Year2022
- A science-management adaptation partnership was developed among the Columbia River Gorge National Scenic Area, Mount Hood National Forest, and Willamette National Forest, and other organizations (hereafter referred to as CMWAP) to identify climate change issues relevant for resource management in central Oregon and southern Washington). This partnership assessed the vulnerability of natural resources to climate change and developed adaptation options that minimize negative impacts of climate change and facilitate transition of ecosystems and organizations to a warmer climate. The vulnerabil...AuthorsJessica Halofsky, David L. Peterson, Rebecca A. GravenmierKeywordsSourceGen. Tech. Rep. PNW-GTR-1001. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 469 p.Year2022
Drought-induced decoupling between carbon uptake and tree growth impacts forest carbon turnover time
The ability of forests to withstand, and recover from, acute drought stress is a critical uncertainty regarding the impacts of climate change on the terrestrial carbon (C) cycle, but it is unclear how drought responses scale from individual trees to whole forests. Here, we assembled a dataset of tree-ring chronologies co-located within the footprint of eddy covariance towers across North America and Europe, with the aim of quantifying the sensitivity of tree radial growth versus gross primary productivity (GPP) during and following drought. We found that drought induced a large decoupling...AuthorsSteven A. Kannenberg, Antoine Cabon, Flurin Babst, Soumaya Belmecheri, Nicolas Delpierre, Rossella Guerrieri, Justin T. Maxwell, Frederick Meinzer, David Moore, Christoforos Pappas, Masahito Ueyama, Danielle E.M. Ulrich, Steven L. Voelker, David R. Woodruff, William R.L. AndereggKeywordsSourceAgricultural and Forest Meteorology. 322: 108996.Year2022- Managing wildlife populations in the face of global change requires regular data on the abundance and distribution of wild animals, but acquiring these over appropriate spatial scales in a sustainable way has proven challenging. Here we present the data from Snapshot USA 2020, a second annual national mammal survey of the USA. This project involved 152 scientists setting camera traps in a standardized protocol at 1485 locations across 103 arrays in 43 states for a total of 52,710 trap-nights of survey effort. Most (58) of these arrays were also sampled during the same months (September and...AuthorsMark J. Jordan, L. Mark Elbroch, Dylan Bergman, Sara Cendejas‐Zarelli, Kim Sager‐Fradkin, Mike Conner, Gail Morris, Elizabeth Parsons, Haydée Hernández‐Yáñez, William J. McShea, Roland Kays, Michael V Cove, Jose Diaz, Kimberly Todd, Claire Bresnan, Matt Snider, Thomas E. Lee, Jonathan G. Jasper, Brianna Douglas, Anthony P. Crupi, Katherine C. B. Weiss, Helen Rowe, Tiffany Sprague, Jan Schipper, Christopher A. Lepczyk, Jean E. Fantle‐Lepczyk, Jon Davenport, Marketa Zimova, Zach Farris, Jacque Williamson, M. Caitlin Fisher‐Reid, Drew Rezendes, Sean M. King, Petros Chrysafis, Alex J. Jensen, David S. Jachowski, Katherine C. King, Daniel J. Herrera, Sophie Moore, Marius van der Merwe, Jason V Lombardi, Maksim Sergeyev, Michael E. Tewes, Robert V Horan, Michael S. Rentz, Ace Driver, La Roy S. E. Brandt, Christopher Nagy, Peter Alexander, Sean P. Maher, Andrea K. Darracq, Evan G. Barr, George Hess, Stephen L. Webb, Mike D. Proctor, John P. Vanek, Diana J. R. Lafferty, Tru Hubbard, Jaime E. Jiménez, Craig McCain, Jorie Favreau, Jack Fogarty, Jacob Hill, Steven Hammerich, Morgan Gray, Christine C. Rega‐Brodsky, Caleb Durbin, Elizabeth A. Flaherty, Jarred Brooke, Stephanie S. Coster, Richard G. Lathrop, Katarina Russell, Daniel A. Bogan, Hila Shamon, Brigit Rooney, Aimee Rockhill, Robert C. Lonsinger, M. Teague O'Mara, Justin A. Compton, Erika L. Barthelmess, Katherine E. Andy, Jerrold L. Belant, Tyler Petroelje, Nathaniel H. Wehr, Dean E. Beyer, Daniel G. Scognamillo, Chris Schalk, Kara Day, Caroline N. Ellison, Chip Ruthven, Blaine Nunley, Sarah Fritts, Christopher A. Whittier, Sean A. Neiswenter, Robert Pelletier, Brett A. DeGregorio, Erin K. Kuprewicz, Miranda L. Davis, Carolina Baruzzi, Marcus A. Lashley, Brandon McDonald, David Mason, Derek R. Risch, Maximilian L. Allen, Laura S. Whipple, Jinelle H. Sperry, Emmarie Alexander, Patrick J. Wolff, Robert H. Hagen, Alessio Mortelliti, Amay Bolinjcar, Andrew M. Wilson, Scott Van Norman, Cailey Powell, Henry Coletto, Martha Schauss, Helen Bontrager, James Beasley, Susan N. Ellis‐Felege, Summer H. LaRose, Samuel R. Wehr, Sean T. Giery, Charles E. Pekins, Ronald S. Revord, Christopher P. Hansen, Lonnie Hansen, Joshua J. Millspaugh, Adam Zorn, Brian D. Gerber, Kylie Rezendes, Jessie Adley, Jennifer Sevin, Austin M. Green, Çağan H. Şekercioğlu, Mary E. Pendergast, Kayleigh Mullen, Tori Bird, Andrew J. Edelman, Andrea Romero, Brian J. O'Neill, Noel Schmitz, Rebecca A. Vandermus, Jesse M. Alston, Kellie M. Kuhn, Steven C. Hasstedt, Damon B. Lesmeister, Cara L. Appel, Christopher Rota, Jennifer L. Stenglein, Christine Anhalt‐Depies, Carrie L. Nelson, Robert A. Long, Kathryn R. RemineKeywordsSourceEcology. e3775.Year2022
- AuthorsAnibal Cuchietti, Rubi Cuenca, Alex Arana, Thomas Brandeis, Rafael Mayorga Saucedo, Joberto Veloso de Freitas, Iciar Alberdi, Carla RamirezKeywordsSourcePart 1, Chapter 2 in: Ramírez, C., Alberdi, I., Bahamondez, C., y Freitas, J., coords. Inventarios Forestales Nacionales de América Latina y el Caribe: Hacia la armonización de la información forestal. Roma,FAOYear2022
- Amphibian populations are threatened globally by stressors, including diminishing availabilityof suitable wetland breeding sites, altered hydroregimes driven by changing weather patterns,and exposure to contaminants. Ecological risk assessment should encompass spatial and temporalscales that capture influential ecological processes and demographic responses. Following thePopGUIDE framework of population model development for risk assessment, we used matrix populationmodels, in conjunction with existing hydroregime predictions, under a climate change scenarioto evaluate the effects of...AuthorsJill A. Awkerman, Cathryn H. GreenbergKeywordsSourceEcologiesYear2022
- Temporal partitioning of life history traits among syntopic reptiles can facilitate co-occurrence, but may be influenced byenvironmental factors and evolutionary history. We used 24 years of continuous capture data in the Florida sandhills toevaluate the timing and duration of hatching, maturation and/or surface activity for ten reptile species, spanning multipleclutch strategies, taxonomic relationships, and habits. We hypothesised: i) species would differ in seasonal timing of hatchingand maturation; ii) hatching and maturation periods would be more seasonally-synchronised in fossorial...AuthorsSky T. Button, Katie H. GreenbergKeywordsSourceThe Herpetological JournalYear2022
- Quantifying maximum stand density is important to evaluate the potential stand density of the target populationin forest management. However, most of the past research in the eastern US was mainly focused on plantedmonocultures, coniferous forests, a few commercially important species at the stand level, or in a particulargeographic region. This study aimed to estimate the maximum stand density for mixed-hardwood forests acrossphysiographic zones in the eastern US between two decades (1996-2009 and 2010-2021). Data used in analyseswere collected from the US national forest inventory...AuthorsSheng-I Yang, Thomas BrandeisKeywordsSourceForest Ecology and ManagementYear2022