Treesearch
Displaying 6,991 - 7,000 of 65,178 Publications- In resource management, new terms are frequently introduced, reflecting ongoing evolution in the theory and practice of ecology and governance. Yet understandings of what new concepts mean, for whom, and what they imply for management on the ground can vary widely. Coexistence—a prominent concept within the literature and practices around human-wildlife conflict and predator management—is one such term: widely invoked and yet poorly defined. While for some coexistence is the latest paradigm in improving human-wildlife relations, the concept remains debated and indeed even hotly contested...AuthorsJeffrey V. Martin, Kathleen Epstein, Robert M. Anderson, Susan CharnleyKeywordsSourceFrontiers in Conservation Science. 2: 707068.Year2021
- Evergreen conifer forests are the most prevalent land cover type in North America. Seasonal changes in the color of evergreen forest canopies have been documented with near-surface remote sensing, but the physiological mechanisms underlying these changes, and the implications for photosynthetic uptake, have not been fully elucidated. Here, we integrate on-the-ground phenological observations, leaf-level physiological measurements, near surface hyperspectral remote sensing and digital camera imagery, towerbased CO2 flux measurements, and a predictive model to simulate seasonal canopy color...AuthorsBijan Seyednasrollah, David R. Bowling, Rui Cheng, Barry A. Logan, Troy S. Magney, Christian Frankenberg, Julia C. Yang, Adam M. Young, Koen Hufkens, M. Altaf Arain, T. Andrew Black, Peter D. Blanken, Rosvel Bracho, Rachhpal Jassal, David Hollinger, Beverly E. Law, Zoran Nesic, Andrew D. RichardsonKeywordsSourceNew PhytologistYear2021
- Springs are ecosystems influenced by the exposure of groundwater at the Earth's surface. Springs are abundant and have played important, highly interactive ecological, cultural, and socio-economic roles in arid, mesic, and subaqueous environments throughout human evolution and history. However, springs also are widely regarded as being highly threatened by human impacts. Cantonati et al. (2020a) recommended increased global awareness of springs, including basic mapping, inventory and assessment of the distribution and ecological integrity of springs. We conducted a preliminary global...Authors., Lawrence E. Stevens, Anwar A. Aly, Sarah M. Arpin, Iva Apostolova, Gail M. Ashley, Paulo Quadri Barba, Jose Barquín, Aude Beauger, Lahcen Benaabidate, Sami Ullah Bhat, Lhoussaine Bouchaou, Marco Cantonati, Teresa M. Carroll, Russell Death, Kathleen A. Dwire, Miguel Fernandes Felippe, Roderick J. Fensham, Alan E. Fryar, Roger Pascual i Garsaball, Vojsava Gjoni, Douglas S. Glazier, Nico Goldscheider, Joseph T. Gurrieri, Ragnhildur Guðmundsdóttir, Atzalan Rodriguez Guzman, Michal Hájek, Kristian Hassel, Tamara Heartsill Scalley, Jaume Solé i Herce, Dirk Hinterlang, Joseph H. Holway, Jari Ilmonen, Jeffrey Jenness, Jutta Kapfer, Ioannis Karaouzas, Robert L. Knight, Agnes-Katharina Kreiling, Christian Herrera Lameli, Jeri D. Ledbetter, Nataly Levine, Melinda D. Lyons, Robert E. Mace, Angeliki Mentzafou, Pierre Marle, Nils Moosdorf, Monica K. Norton, Allan Pentecost, Guillermo García Pérez, Bianca Perla, Abdullah A. Saber, Donald Sada, Stefano Segadelli, Kamilla Skaalsveen, Abraham E. Springer, Susan K. Swanson, Benjamin F. Schwartz, Peter Sprouse, Memory Tekere, Benjamin W. Tobin, Ernest Azwindini Tshibalo, Olivier VoldoireKeywordsSourceEarth Systems and Environmental Sciences,Reference Module, ElsevierYear2021
- Breeding dispersal, the movement from one breeding territory to another, is rare for philopatric species that evolved within relatively stable environments, such as the oldgrowth coniferous forests of the Pacific Northwest. Although dispersal is not inherently maladaptive, the consequences of increased dispersal on population dynamics in populations whose historical dispersal rates are low could be significant, particularly for a declining species. We examined rates and possible causes of breeding dispersal based on a sample of 4,118 northern spotted owls (Strix occidentalis caurina)...AuthorsJulianna M. Jenkins, Damon B. Lesmeister, Eric D. Forsman, Katie M. Dugger, Steven H. Ackers, L. Steven Andrews, Scott A. Gremel, Bruce Hollen, Chris E. McCafferty, M. Shane Pruett, Janice A. Reid, Stan G. Sovern, J. David. WiensKeywordsSourceEcological Applications. 31(7): 735-753.Year2021
- Disturbances, both natural and anthropogenic, affect the configuration, composition, and function of forested ecosystems. Complex system behaviors emerge from the interactions between disturbance regimes, the vegetation response to those disturbances, and their interplay with multiple drivers (climate, topography, land use, etc.) across spatial and temporal scales. Here, we summarize conceptual advances and empirical approaches to disturbance interaction investigation, and used those insights to evaluate and categorize 146 landscape modeling studies emerging from a systematic review of the...AuthorsBrian R. Sturtevant, Marie-Josée FortinKeywordsSourceFrontiers in Ecology and EvolutionYear2021
- As part of national biosecurity programs, cargo imports, passenger baggage, and international mail are inspected at ports of entry to verify compliance with phytosanitary regulations and to intercept potentially damaging nonnative species to prevent their introduction. Detection of organisms during inspections may also provide crucial information about the species composition and relative arrival rates in invasion pathways that can inform the implementation of other biosecurity practices such as quarantines and surveillance. In most regions, insects are the main taxonomic group encountered...AuthorsRebecca M. Turner, Eckehard G. Brockerhoff, Cleo Bertelsmeier, Rachael E. Blake, Barney Caton, Alex James, Alan MacLeod, Helen F. Nahrung, Stephen M. Pawson, Michael J. Plank, Deepa S. Pureswaran, Hanno Seebens, Takehiko Yamanaka, Andrew M. LiebholdKeywordsSourceEcological ApplicationsYear2021
- Background. Natural outdoor environments including green spaces play an important role in preserving population health and wellbeing in cities, but the number of deaths that could be prevented by increasing green space in European cities is not known. We aimed to estimate the number of natural-cause deaths among adult residents that could be prevented in cities in 31 European countries, if the WHO recommendation for universal access to green space was achieved. Methods.In this health impact assessment study we focused on adult residents (aged ≥20 years; n=169 134 322) in 978 cities and 49...AuthorsEvelise Pereira Barboza, Marta Cirach, Sasha Khomenko, Tamara Lungman, Natalie Mueller, Jose Barrera-Gomez, Michelle Kondo, Mark NieuwenhuijsenKeywordsSourceThe Lancet. 5(10): e718-e730.Year2021
- After a century of intensive logging, federal forest management policies were developed in the 1990s to protect remaining large trees and old forests in the western US. Today, due to rapidly changing ecological conditions, new threats and uncertainties, and scientific advancements, some policy provisions are being re-evaluated in interior Oregon and Washington. The case for re-evaluation is clearest where small-to large-sized, immature, fast-growing, fire-intolerant trees have filled in forests after both a long period of fire exclusion and the harvest of large, old trees. This infilling...AuthorsPaul F. Hessburg, Susan Charnley, Andrew Gray, Thomas Spies, David W. Peterson, Rebecca Flitcroft, Kendra Wendel, Jessica Halofsky, Eric M. White, John MarshallKeywordsSourceFrontiers in Ecology and the Environment. 20: 1-9.Year2021
- This paper highlights research results from a joint effort between the Forest Products Laboratory (FPL) in the United States of America (USA) and the University of Coimbra (UC) in Portugal (PT). The main objective is the development of a Timber-Concrete Composite system (TCC) that utilizes precast concrete deck panels that accelerate construction times and can easily be removed to facilitate bridge repair/rehabilitation efforts and reuse options. The research is focused on various critical aspects such as the type of interconnection between the concrete deck and the glued laminated timber...AuthorsJames Wacker, Joana A.A. Campos, Alfredo M.P.G. DiasKeywordsSourcepaper in proceedingsYear2021
- This is 1 of 23 guides to help Southeastern U.S. producers of economically important agricultural commodities build resilience to, prepare for, and recover from hurricane impacts. All guides can be found on the USDA Southeast Climate Hub Hurricane Preparation and Recovery Commodity Guides website.AuthorsJohn K. BernardSourceGeneral Technical Report (1 of 23 volumes)Year2021