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Ecosystem

Displaying 2121 - 2140 of 5957 results

Post-wildfire salvage logging is an increasingly used land management tool with poorly understood ecological consequences for understory flowering plants and their interactions with pollinators. Understanding these consequences of salvage logging is…
Author(s): Laura J. Heil, Laura A. Burkle
Year Published:

Until Euro-American colonization, Indigenous people used fire to modify eco-cultural systems, developing robust Traditional Ecological Knowledge (TEK). Since 1980, wildfire activity has increased due to fire suppression and climate change. In 2017,…
Author(s): Cristina Eisenberg, Christopher L. Anderson, Adam Collingwood, Robert Sissons, Christopher J. Dunn, Garrett W. Meigs, David E. Hibbs, Scott Murphy, Sierra Dakin Kuiper, Julian SpearChief-Morris, Leroy Little Bear, Barbara Johnston, Curtis B. Edson
Year Published:

We discovered an error in our analysis that led us to underestimate tree mortality from fires and beetles in western California and northern Washington. We characterized fire extent and severity using the Monitoring Trends in Burn Severity raster…
Author(s): Logan T. Berner, Beverly E. Law, Arjan J. H. Meddens, Jeffrey A. Hicke
Year Published:

In order to increase the pace and scale of managing forests to reduce wildfire risk in the western U.S., federal agencies have adopted policies that promote an all lands management (ALM) approach, which extends management actions across…
Author(s): Erin C. Kelly, Susan Charnley, Jodie T. Pixley
Year Published:

Population monitoring is integral to the conservation and management of wildlife; yet, analyses of population demographic data rarely consider processes occurring across spatial scales, potentially limiting the effectiveness of adaptive management.…
Author(s): Michael S. O'Donnell, David R. Edmunds, Cameron L. Aldridge, Julie A. Heinrichs, Peter S. Coates, Brian G. Prochazka, Steven E. Hanser
Year Published:

The aim of the paper is to summarize the evidence of health impacts of occupational exposure to wildland fires. The authors searched 3 databases for relevant articles and screened the results. After full-text review, articles were included based on…
Author(s): Emily Groot, Alexa Caturay, Yasmin Khan, Ray Copes
Year Published:

Millions of hectares of lodgepole pine trees have been affected by the recent mountain pine beetle outbreaks, which also left significant numbers of live host trees in some areas. Studies have primarily focused on the changes of forest conditions in…
Author(s): Shiyang Zhao, Jennifer G. Klutsch, Jonathan A. Cale, Nadir Erbilgin
Year Published:

Recent, widespread spruce beetle (Dendroctonus rufipennis) outbreaks have driven extensive tree mortality across western North America. Post-disturbance forest management often includes salvage logging to capture economic value of dead timber,…
Author(s): Lucas R. Mattson, Jonathan D. Coop, Michael A. Battaglia, Anthony S. Cheng, Jason S. Sibold, Sara Viner
Year Published:

Decision makers need better methods for identifying critical ecosystem vulnerabilities to changing climate and fire regimes. Climate-wildfire-vegetation interactions are complex and hinder classification and projection necessary for development of…
Author(s): Megan Friggens, Rachel A. Loehman, Andrea E. Thode, William T. Flatley, A. Evans, C. Wilcox, S. Mueller, Larissa L. Yocom, Donald A. Falk
Year Published:

Wildfires strongly affect soils, including iron biogeochemical cycling and carbon storage. Thus, it is important to reveal the dynamics of iron oxide synthesis and transformations during and after a wildfire. This study investigates the temporal…
Author(s): Neli Jordanova, Diana Jordanova, Antonia Mokreva, Daniel Ishlyamski, Bozhurka Georgieva
Year Published:

Context: Lack of quantitative observations of extent, frequency, and severity of large historical fires constrains awareness of departure of contemporary conditions from those that demonstrated resistance and resilience to frequent fire and…
Author(s): R. Keala Hagmann, Andrew G. Merschel, Matthew J. Reilly
Year Published:

Forest land managers rely on predictions of tree mortality generated from fire behavior models to identify stands for post-fire salvage and to design fuel reduction treatments that reduce mortality. A key challenge in improving the accuracy of these…
Author(s): Jason S. Barker, Jeremy S. Fried, Andrew N. Grey
Year Published:

Residents in the wildland-urban interface (WUI) can play an important role in reducing wildfire’s negative effects by performing wildfire risk mitigation on their property. This report offers insight into the wildfire risk mitigation activities and…
Author(s): James R. Meldrum, Hannah Brenkert-Smith, Pamela Wilson, Patricia A. Champ, Christopher M. Barth, Angela Boag
Year Published:

The assessment of burn severity is highly important in order to describe and measure the effects of fire on vegetation, wildlife habitat and soils. The estimation of burn severity based on remote sensing is a powerful tool that, to be useful, needs…
Author(s): Adrián Cardil, Blas Mola-Yudego, Ángela Blázquez-Casado, José Ramón González-Olabarria
Year Published:

Background: In the Inland Pacific Northwest of the United States, fire is a dominant driver of ecological change. Within wildfire perimeters, fire effects often vary considerably and typically include remnant patches of unburned islands. As fires…
Author(s): Anthony Martinez, Arjan J. H. Meddens, Crystal A. Kolden, Eva K. Strand, Andrew T. Hudak
Year Published:

The U.S. Geological Survey's Wildland Fire Science Program produces fundamental information to identify the causes of wildfires, understand the impacts and benefits of both wildfires and prescribed fires, and help prevent and manage larger,…
Author(s): Paul F. Steblein, Mark P. Miller, Suzanna C. Soileau
Year Published:

Wildfires are increasing in frequency, severity, and size in many parts of the world. Forest fires can fundamentally affect snowpack and watershed hydrology by restructuring forest composition and structure. Topography is an important factor in…
Author(s): Jordan D. Maxwell, Anson Call, Samuel B. St. Clair
Year Published:

Smoke from human-induced fires such as prescribed fires can occasionally cause significant reduction in visibility on highways in the southern United States. Visibility reduction to less than three meters has been termed 'superfog' and environmental…
Author(s): Christian Bartolome, M. Princevac, David R. Weise, Shankar M. Mahalingam, Masoud Ghasemian, Akula Venkatram, Henry Vu, Guillermo Aguilar
Year Published:

Seedbanks are essential for forest resilience, and disturbance interactions could potentially modify seedbank availability, subsequent forest regeneration patterns, and successional trajectories. Regional mountain pine beetle outbreaks have altered…
Author(s): Anna C. Talucci, Kenneth P. Lertzman, Meg A. Krawchuk
Year Published:

As forest fire activity increases worldwide, it is important to track changing patterns of burn severity (i.e., degree of fire‐caused ecological change). Satellite data provide critical information across space and time, yet how satellite indices…
Author(s): Brian J. Harvey, Robert A. Andrus, Sean C. Anderson
Year Published: