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Displaying 3,461 - 3,470 of 65,155 Publications- The Rio Grande-Rio Bravo’s flow regime has been highly altered for more than 130 years, yet the river ecosystem still supports important biodiversity including numerous endangered species. More than 80% of water consumed in the basin goes to irrigating farms, but in recent decades, farmers have repeatedly experienced severe water shortages. Given this water-scarce condition, any plans for enhancing environmental flows must be carefully designed to minimize impacts or provide benefits to agriculture. This study describes the development of the Rio Grande-Rio Bravo’s first whole-basin...AuthorsBrian D. Richter, Enrique Prunes, Ning Liu, Peter V. Caldwell, Dongyang Wei, Kyle Frankel Davis, Samuel Sandoval-Solis, Gabriela Rendon Herrera, Ramon Saiz Rodriguez, Yufei Ao, Gambhir Lamsal, Maria Amaya, Natalie Shahbol, Landon MarstonKeywordsSourceJournal of Water Resources Planning and ManagementYear2024
- Biomass burning has shaped many of the ecosystems of the planet and for millennia humans have used it as a tool to manage the environment. When widespread fires occur, the health and daily lives of millions of people can be affected by the smoke leading to a range of health consequences such as respiratory issues, cardiovascular issues, and mortality. It is critical to include smoke and its consequences in atmospheric modeling systems to meet needs such as informing and protecting the public during smoke episodes. This chapter profiles many of the global and regional smoke prediction...AuthorsSusan O'Neill, Peng Xian, Johannes Flemming, Martin Cope, Alexander Baklanov, Sim Larkin, Joseph Vaughan, Daniel Tong, Rosie Howard, Roland Stull, Didier Davignon, Ravan Ahmadov, Mehmet Odman, John Innis, Merched Azzi, Christopher Gan, Radenko Pavlovic, Boon Ning Chew, Jeffrey S. Reid, Edward J. Hyer, Zak Kipling, Angela Benedetti, Peter R. Colarco, Arlindo Da Silva, Taichu Tanaka, Jeffrey McQueen, Partha Bhattacharjee, Jonathan Guth, Nicole Asencio, Oriol Jorba, Carlos Pérez García-Pando, Rostislav Kouznetsov, Mikhail Sofiev, Melissa E. Brooks, Jack Chen, Eric James, Fabienne Reisen, Alan Wain, Kerryn McTaggart, Angus MacNeilSourceIn: Loboda, Tatiana V.; French, Nancy H. F.; Puett, Robin C., eds. Landscape fire, smoke, and health: linking biomass burning emissions to human well-being. Hoboken, NJ: Wiley. Geophysical monograph series 280: 149-191. Chapter 9.Year2024
- Amphibians are among the most sensitive taxa to climate change, and species inhabiting arid and semiarid landscapes at the extremes of their range are especially vulnerable to drought. The Jack Creek, Oregon, USA, population of Oregon spotted frogs (Rana pretiosa) faces unique challenges because it occupies the highest elevation site in the species' extant range and one that has been transformed by loss of American beavers (Castor canadensis), which historically maintained open water. We evaluated the effects of drought mitigation (addition of excavated ponds) on relationships between...AuthorsJennifer C. Rowe, Christopher A. Pearl, Adam Duarte, Brome McCreary, Michael J. AdamsKeywordsSourceThe Journal of Wildlife Management. 88(1): e22496.Year2024
- Using a metaphor based on a historical debate between socialist and free-market economists, Salliou and Stritih (Environ. Res. Lett. 18 151001) advocate for decentralizing environmental management to harness emergent complexity and promote ecosystem health. Concerningly, however, their account seems to leave little room for top-down processes like government-led sustainability programs or centrally-planned conservation initiatives, the cornerstone of the post-2020 biodiversity framework. While we appreciate their call for humbleness, we offer a few words in defense of planning. Drawing on...AuthorsLogan Robert Bingham, Lucy Van Kleunen, Bohdan Kolisnyk, Olha Nahorna, Frederico Tupinambà-Simões, Keith M. Reynolds, Rasoul Yousefpour, Thomas KnokeKeywordsSourceEnvironmental Research Letters. 19(1): 018002.Year2024
- Lamprey are a lineage of boneless fish that is older than trees. Traditionally, lamprey species have been identified by morphology - that is, their visible features, such as teeth. However, this method can be unreliable because without bones, lampreys don’t have many distinguishing features, and most of these don’t develop until adulthood. Thus, significant conservation actions may be taken, or not taken, based on species designations that are … slippery.AuthorsKellie Carim, Doug LarsonSourceScience You Can Use (in 5 Minutes), January 2023. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 2 p.Year2024
- Determining the abundance of cryptic carnivores is central to building successful conservation management to mitigate conflicts and support coexistence strategies. For these reasons, there is considerable investment in developing reliable, cost-effective tools for estimating the abundance of wildlife. Nevertheless, field-based comparisons of abundance methods remain uncommon, even while essential to refining methods and coming to consensus around best practices. Here, we compare two approaches still being tested in real-world application for an emblematic puma (Puma concolor) population in...AuthorsL. M. Elbroch, S. H. Williams, O. Ohrens, Kristine L. Pilgrim, A. Moeller, S. Arroyo-Arce, M. Parker, D. Goic, H. Robinson, Michael K. SchwartzKeywordsSourceAnimal Conservation. 27: 283-292.Year2024
- In 2014, the U.S. Department of Agriculture Forest Service Forest Inventory and Analysis program collected forest and tree measurements from 56 forest plots among three forest communities (lowland forest, mangrove, and strand forest) in the Republic of Palau, across Babeldaob, Koror, Peleliu, Angaur, and the Rock Islands. A total of 125 tree species and 196 dominant vascular plants were recorded, most in lowland tropical rainforest. Strand forest had the lowest stem density and highest basal area and volume per acre among forest communities. The Rock Islands had the highest basal area,...AuthorsJulian Dendy, Olaf Kuegler, Ashley Lehman, Pua MichaelKeywordsSourceGen. Tech. Rep. PNW-GTR-1022. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 52 p.Year2024
- The principal findings from five panels of the 10th forest survey of North Carolina are presented. In 2018, forests covered nearly 18.8 million acres of the State, of which 18.1 million were classified as timberland. Oak-hickory was the most common forest-type group and covered 6.9 million acres of the timberland. The second most common forest-type group was loblolly-shortleaf pine, which covered 5.8 million acres of timberland. Nonindustrial private forest ownerships hold 82 percent of the State’s timberland. Hardwood tree species accounted for 63 percent of the 42.3 billion cubic feet...AuthorsJames Brown, Samuel G. LambertYear2024
- Timber sales from the US National Forest System (NFS) can provide ecological and economic benefits. Unsold (“no-bid”) offerings can result in delays, additional costs, and missed targets. We used mixed methods, including analysis of administrative data, synthesis of research, and semi-structured interviews to understand situations considered “no-bid” offerings by different stakeholders. We measured prevalence, identified causes, and generated a framework for communicating interlinkages. From 2007 to 2020, the volume not sold at first offering was 11.9% nationally. However, a substantial...AuthorsGregory E. Frey, Philadelphia Wilkens, Sonia BruckKeywordsSourceJournal of Environmental Planning and ManagementYear2024
- This resource update contains the findings of a canvass of all primary wood-using plants. It complements the Forest Inventory and Analysis (FIA) annual inventory of volume and removals. The canvass was conducted to determine the amount and source of wood receipts and annual timber product imports/exports. Only primary wood-using mills were canvassed. Primary mills are those that process roundwood in log or bolt form or as chipped roundwood. Examples of industrial roundwood products are saw logs, pulpwood, veneer logs, poles, and logs used for composite board products. Mills producing...AuthorsUSDA Forest Service.KeywordsSourceResource Update FS-460. Asheville, NC: U.S. Department of Agriculture, Forest Service.Year2024