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Ecosystem

Displaying 941 - 960 of 6051 results

An analysis of a dataset (n = 58) of high-intensity wildfire observations in cured grasslands from southern Australia revealed a simple relationship suitable for quickly obtaining a first approximation of a fire’s spread rate under low dead fuel…
Author(s): Miguel G. Cruz, Martin E. Alexander, Musa Kilinc
Year Published:

The increasing incidence of wildfires across the southwestern United States (US) is altering the contemporary forest management template within historically frequent-fire conifer forests. An increasing fraction of southwestern conifer forests have…
Author(s): Jens T. Stevens, Collin M. Haffey, Jonathan D. Coop, Paula J. Fornwalt, Larissa L. Yocom, Craig D. Allen, Anne F. Bradley, Owen T. Burney, Dennis Carril, Marin Chambers, Teresa B. Chapman, Sandra L. Haire, Matthew D. Hurteau, Jose M. Iniguez, Ellis Q. Margolis, Christopher Marks, Laura A. Marshall, Kyle Rodman, Camille Stevens-Rumann, Andrea E. Thode, Jessica J. Walker
Year Published:

This research was designed to address the need for a more cohesive approach to managing wildfire risk in the western United States. This involves multiple entities with diverse, often competing policies, incentives, and practices who are not well-…
Author(s): Emily Jane Davis, Heidi Huber-Stearns, Anthony S. Cheng, Darren McAvoy
Year Published:

While managed fire often produces clear changes in aboveground functional diversity, we know little about how fire affects belowground fauna and their mediation of biogeochemical processes. Because soil micro- and mesofauna, particularly nematodes,…
Author(s): Anita Antoninka, Kara Gibson
Year Published:

A 106 acre (43 ha) aspen clone lives in the Fishlake National Forest in south-central Utah. Clones are comprised of multiple aspen stems, called ramets, which are genetically identical. This particular colony of ramets was named “Pando” (Latin for “…
Author(s):
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Evapotranspiration (ET) accounts for a substantial portion of regional water budgets in much of the southeast and fire-prone western United States (US). Even small changes in ET rates can translate to meaningful shifts in runoff patterns and makes…
Author(s): Natalie M. Collar, Samuel Saxe, Ashley J. Rust, Terri S. Hogue
Year Published:

Fire whirls are a particular case of flame behaviour characterized by a rotating column of fire driven by intense convective heating of air close to the ground. They typically result in a substantial increase in burning rate, temperature, and flame…
Author(s): Maryam Ghodrat, Farshad Shakeriaski, David James Nelson, Albert Simeoni
Year Published:

With the increasing frequency and severity of fire, there is an increasing desire to better manage fuels and minimize, as much as possible, the impacts of fire on soils and other natural resources. Piling and/or burning slash is one method of…
Author(s): William J. Massman
Year Published:

In 2020, people's health suffered a great crisis under the dual effects of the COVID-19 pandemic and the extensive, severe wildfires in the western and central United States. Parks, including city, national, and cultural parks, offer a unique…
Author(s): Anni Yang, Jue Yang, Di Yang, Rongting Xu, Yaqian He, Amanda Aragon, Han Qiu
Year Published:

1. Spatial connections between habitats are important to allow movement of organisms across heterogeneous landscapes with diverse disturbances and management. Similarly, species providing functional connections between subnetworks of species…
Author(s): Laura A. Burkle, Laura J. Heil, R. Travis Belote
Year Published:

The spatial overlap of multiple ecological disturbances in close succession has the capacity to alter trajectories of ecosystem recovery. Widespread bark beetle outbreaks and wildfire have affected many forests in western North America in the past…
Author(s): Robert A. Andrus, Sarah J. Hart, Niko Tutland, Thomas T. Veblen
Year Published:

Native grasslands have been vastly transformed with the expansion of human activities. Applied fire regimes offer conservation-based management an opportunity to enhance remaining grassland biodiversity and secure its persistence into the future.…
Author(s): Paul J. Gordijn, Timothy G. O'Connor
Year Published:

This review summarizes information that was available in the scientific literature as of 2020 on the biology, ecology, and effects of fire and control methods on yellow starthistle in North America. Yellow starthistle is a nonnative, invasive forb…
Author(s): Kristin L. Zouhar, Robin J. Innes
Year Published:

Every year forest fires destroy millions of hectares of land worldwide. Detecting forest fire ignition in the early stages is fundamental to avoid forest fires catastrophes. In this approach, Wireless Sensor Network is explored to develop a…
Author(s): Beatriz Azevedo, Thadeu Brito, José Lima, Ana Pereira
Year Published:

Formal regulation of private property and exploration of 'risk transmission' across ownerships are two popular means for addressing wildfire management at landscape scales. However, existing studies also indicate that a number of barriers exist for…
Author(s): Travis B. Paveglio, Amanda M. Stasiewicz, Catrin Edgeley
Year Published:

In recent years, the importance of soil health for ecosystem functions has come further into the scientific focus (Lehmann et al., 2020). Especially after severe ecosystem disturbances, soil formation has to start anew. Such disturbances, which…
Author(s): Maik Veste, Vincent John Martin Noah Felde, Steven D. Warren, Nicole Pietrasiak
Year Published:

Wildfires are known to be one of the main causes of soil erosion and land degradation, and their impacts on ecosystems and society are expected to increase in the future due to changes in climate and land use. It is therefore vital to mitigate the…
Author(s): Antonio Girona-García, Diana C.S. Vieira, Joana Silva, Cristina Fernández, Peter R. Robichaud, Jan J. Keizer
Year Published:

Effective wildland fire management increasingly entails fostering shared stewardship of the landscape across ownership boundaries, and enacting collaborative strategies that require management responsibilities distributed among public agencies,…
Author(s): Alex W. Kirkpatrick
Year Published:

We celebrate the 50th anniversary of the Canadian Journal of Forest Research by reflecting on the considerable progress accomplished in select areas of Canadian wildland fire science over the past half century. Specifically, we discuss key…
Author(s): Sean C. P. Coogan, Lori D. Daniels, Den Boychuk, Philip J. Burton, Michael D. Flannigan, Sylvie Gauthier, Victor G. Kafka, Jane Park, B. Mike Wotton
Year Published:

Tower-mounted camera-based wildfire detection systems provide an effective means of early forest fire detection. Historically, tower sites have been identified by foresters and locals with intimate knowledge of the terrain and without the aid of…
Author(s): Andries Heyns, Warren du Plessis, Kevin M. Curtin, Michael Kosch, Gavin Hough
Year Published: