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- Rangelands are a type of land cover dominated by grasses, grass-like plants, broadleaf herbaceous plants (forbs), shrubs, and isolated trees, usually in which large herbivores evolved as part of the ecosystem. In many rangelands, the large herbivores were replaced by livestock, and thus livestock grazing represents a major land use for production of food and fiber. Sustainability is maintained by species diversity (Kouba et al., 2024; Retallack et al., 2023; Hooper et al., 2005; Tilman et al., 2006, 2012; Zaveleta et al., 2010; Reich et al., 2012) and reduction of biodiversity is expected...AuthorsE. Raymond Hunt, Cuizhen Wang, D. Terrance Booth, Samuel E. Cox, Lalit Kumar, Matt C. ReevesKeywordsSourceIn: Thenkabail, Prasad S., ed. Remote Sensing Handbook, Volume III. Agriculture, Food Security, Rangelands, Vegetation, Phenology, and Soils (2nd ed.). CRC Press. p. 419-461.Year2024
- While there are many definitions of rangeland, the central theme of all these is that it is land on which the dominating vegetation is mainly grasses, grass-like plants, forbs, shrubs and isolated trees (De Cauwer et al., 2024; Arogoundade et al., 2023; Feizizadeh et al., 2023; Sharifi and Felegari, 2023; McCord and Pilliod, 2022; Matongera et al., 2021; Zhou et al., 2020; Hadian et al., 2019; Al-bukhari et al., 2018; Eddy et al., 2017; Gökalp et al., 2017). Rangelands include shrublands, natural grasslands, woodlands, savannahs, tundra and many desert regions. A distinguishing factor of...AuthorsLalit Kumar, Priyakant Sinha, Jesslyn F. Brown, R. Douglas Ramsey, Matthew Rigge, Carson A. Stam, Alexander J. Hernandez, E. Raymond Hunt, Matt C. ReevesKeywordsSourceIn: Thenkabail, Prasad S., ed. Remote Sensing Handbook, Volume III. Agriculture, Food Security, Rangelands, Vegetation, Phenology, and Soils (2nd ed.). CRC Press. p. 465-518.Year2024
- Mast seeding, the synchronous and highly variable production of seed crops by perennial plants, is a population-level phenomenon and has cascading effects in ecosystems. Mast seeding studies are typically conducted at the population/species level. Much less is known about synchrony in mast seeding between species because the necessary long-term data are rarely available. To investigate synchrony between species within communities, we used long-term data from seven forest communities in the U.S. Long-Term Ecological Research (LTER) network, ranging from tropical rainforest to boreal forest....AuthorsJalene M. LaMontagne, David F. Greene, E. Penelope Holland, Jill F. Johnstone, Mark Schulze, Jess K. Zimmerman, Nicholas J. Lyon, Angel Chen, Tom E. X. Miller, Katherine Nigro, Rebecca S. Snell, Jessica H. Barton, V. Bala Chaudhary, Natalie L. Cleavitt, Elizabeth E. Crone, Walter D. Koenig, Diana Macias, Ian S. Pearse, Miranda D. RedmondKeywordsSourceEcology Letters. 27: e14498.Year2024
- The transformation of roundwood into sawn timber is crucial in Mexico, where the industry faces challenges in both the quality and quantity of products, requiring technological improvements to minimize waste and enhance competitiveness. In this context, the objective of this study was to compare the production of traditional and modern sawmills based on the sawing coefficient, total product yield, and the economic revenues generated. The study was conducted in Guachochi, Chihuahua, a region with cold temperate forests. Two types of sawmills were evaluated: traditional (private company) and...AuthorsJoel Rascon-Solano, Oscar Alberto Aguirre-Calderon, Eduardo Alanís-Rodriguez, Javier Jimenez-Perez, Eduardo Trevino-Garza, Juan Abel Najera-Luna, Jose IniguezKeywordsSourceMadera y Bosques. 30(2): e3022580.Year2024
- Sanddune wallflower (Erysimum capitatum [Douglas ex Hook] Greene) belongs to the Erysimeae tribe of the Brassicaceae or mustard family (Al-Shehbaz 2010).AuthorsCorey Gucker, Nancy L. ShawKeywordsSourceIn: Gucker, C.L.; Shaw, N.L., eds. Western forbs: Biology, ecology, and use in restoration. Reno, NV: Great Basin Fire Science Exchange. Online: https://westernforbs.org/species/sanddune-wallflower-erysimum-capitatum/.Year2024
- Objective: In the U.S. Pacific Northwest, climate change is increasing air temperatures, decreasing warm season (April-September) streamflow, and increasing cool season (October-March) streamflow. Warmer water temperatures may alter conditions for migratory coldwater fishes like the Bull Trout Salvelinus confluentus. Consequently, an understanding of Bull Trout migration and survival is critical for species conservation and restoration. In the Salmon River basin, Idaho, 1992 and 1993 transpired to be two of the most opposing extreme years among the past three decades for warm season water...AuthorsPatti J. Wohner, Russ F. Thurow, James T. PetersonKeywordsSourceTransactions of the American Fisheries Society. 153: 326-346.Year2024
- Snow leopards (Panthera uncia) inhabit the mountainous regions of High Asia, which experienced serial glacial contraction and expansion during climatic cycles of the Pleistocene. The corresponding impacts of glacial vicariance may have alternately promoted or constrained genetic differentiation to shape the distribution of genetic lineages and population structure. We studied snow leopard phylogeography across High Asia by examining range-wide historical and contemporary genetic structure with mitochondrial DNA and microsatellite markers. We genotyped 182 individuals from across snow...AuthorsImogene A. Cancellare, Byron Weckworth, Anthony Caragiulo, Kristine L. Pilgrim, Thomas M. McCarthy, Alisher Abdullaev, George Amato, Xiaoxing Bian, Elena Bykova, Isabela Dias-Freedman, Mariya Gritsina, Lauren M. Hennelly, Safia Janjua, Orjan Johansson, Shannon Kachel, Alexander Karnaukhov, Miroslav Korablev, Zairbek Kubanychbekov, Rahim Kulenbekov, Xuchang Liang, Purevjav Lkhagvajav, Tara K. Meyer, Bariushaa Munkhtsog, Bayaraa Munkhtsog, Muhammad A. Nawaz, Stephane Ostrowski, Mikhail Paltsyn, Andrey Poyarkov, Salisa Rabinowitz, Thomas Rooney, Tatjana Rosen, Viatcheslav V Rozhnov, Benjamin N. Sacks, Michael K. Schwartz, Kyle P. McCarthyKeywordsSourceBiodiversity and Conservation. 33: 3961-3979.Year2024
- Physical and genetic isolation are recognized as significant threats to wildlife, especially in large carnivores inhabiting fragmented landscapes. We conducted an initial genetic assessment of pumas (Puma concolor) using 19 microsatellite loci for the emblematic puma population in the Torres del Paine UNESCO Biosphere Reserve in southernmost Chile, which exhibits some distinctive phenology that some local people speculate may be due to isolation and inbreeding depression. We extracted DNA from 385 scats collected in the field, of which 96 were identified as puma, representing 20 unique...AuthorsL. Mark Elbroch, Byron V Weckworth, Kristine L. Pilgrim, Omar Ohrens, Nicolas Lagos, Stephanny Arroyo-Arce, Mauricio Montt, Dania Goic, Michael K. SchwartzKeywordsSourceDiversity. 16: 581.Year2024
- Predation is a fundamental process that shapes ecological communities. The impact of mountain lion (Puma concolor) predation on their prey, however, is a debated topic among wildlife managers and their primary constituents, hunters and conservationists in North America. Here we present a perspective and highlight recent literature on the direct and indirect (i.e., non-consumptive) effects of mountain lion predation on 2 of its primary prey species in western North America, mule and black-tailed deer (Odocoileus hemionus). We assert that direct effects of mountain lion predation outweigh...AuthorsTavis Forrester, Heiko U. WittmerKeywordsSourceCanadian Wildlife Biology and Management. 13(2): 1-40.Year2024
- Thornton and Murray (2024; hereafter TM) sought to further our understanding of historical and future Canada lynx (Lynx canadensis) habitat in the contiguous USA to guard against shifting baseline syndrome and aid conservation planning for this federally threatened species. We commend the intent of this exercise, however several issues limit the application of TM to lynx conservation, including model design and validation, extensive extrapolation, ambiguous source data, and plausibility of the results.AuthorsJacob S. Ivan, Karen E. Hodges, Joseph D. Holbrook, Ron A. Moen, Lucretia E. Olson, John R. Squires, Jennifer H. VashonKeywordsSourceBiological Conservation. 299: 110836.Year2024