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Ecosystem

Displaying 1821 - 1840 of 5894 results

Background: Surface fuel loadings are some of the most important factors contributing to fire intensity and fire spread. In old-growth forests where fire has been long excluded, surface fuel loadings can be high and can include woody debris ≥100 cm…
Author(s): C. Alina Cansler, Mark E. Swanson, Tucker J. Furniss, Andrew J. Larson, James A. Lutz
Year Published:

The estimated cost of fire in the United States is about $329 billion a year, yet there are gaps in the literature to measure the effectiveness of investment and to allocate resources optimally in fire protection. This article fills these gaps by…
Author(s): Adam Behrendt, Vineet M. Payyappalli, Jun Zhuang
Year Published:

Wildfire refugia (unburnt patches within large wildfires) are important for the persistence of fire‐sensitive species across forested landscapes globally. A key challenge is to identify the factors that determine the distribution of fire refugia…
Author(s): Luke Collins, Andrew F. Bennett, Steven W.J. Leonard, Trent D. Penman
Year Published:

Improved predictions of tree species mortality and growth metrics following fires are important to assess fire impacts on forest succession, and ultimately forest growth and yield. Recent studies have shown that North American conifers exhibit a '…
Author(s): Wade D. Steady, Raquel Partelli Feltrin, Daniel M. Johnson, Aaron M. Sparks, Crystal A. Kolden, Alan F. Talhelm, James A. Lutz, Luigi Boschetti, Andrew T. Hudak, Andrew S. Nelson, Alistair M. S. Smith
Year Published:

One of the first significant developments in wildfire modeling research was to introduce heat flux as wildfire line intensity (kW·m–1). This idea could be adapted to using weather station measurements, topography, and fuel properties to estimate…
Author(s): A. Bakhshaii, E. A. Johnson
Year Published:

Questions: Gradients of fire severity in dry conifer forests can be associated with variation in understory floristic composition. Recent work in California, USA, dry conifer forests has suggested that more severely burned stands contain more…
Author(s): Jens T. Stevens, Jesse E. D. Miller, Paula J. Fornwalt
Year Published:

Wildfires can drastically alter belowground processes such as organic matter (OM) decomposition. We used wood stakes of two different tree species, trembling aspen (Populus tremuloides Michx.) and loblolly pine (Pinus taeda L.), placed at three soil…
Author(s): Deborah S. Page-Dumroese, Martin F. Jurgensen, Chris A. Miller, James B. Pickens, Joanne M. Tirocke
Year Published:

Many studies of ecological disturbance highlight the unexpected impact that compounded disturbances have on communities. One of the well-studied mechanisms by which forest wind and fire disturbances interact is that wind damage increases flammable…
Author(s): Jeffery B. Cannon, Suzanne K. Henderson, Michael H. Bailey, Chris J. Peterson
Year Published:

Wildfires are becoming larger and more frequent across much of the United States due to anthropogenic climate change. No studies, however, have assessed fire prevalence in lake watersheds at broad spatial and temporal scales, and thus it is unknown…
Author(s): Ian M. McCullough, Kendra Spence Cheruvelil, Jean-François Lapierre, Noah R. Lottig, Max A. Moritz, Joseph Stachelek, Patricia A. Soranno
Year Published:

Increasing wildfires in western North American conifer forests have led to debates surrounding the application of post-fire management practices. There is a lack of consensus on whether (and to what extent) post-fire management assists or hinders…
Author(s): Victoria M. Donovan, Caleb P. Roberts, Carissa L. Wonkka, David A. Wedin, Dirac Twidwell
Year Published:

Wildland fire scientists and land managers working in fire-prone areas require spatial estimates of wildfire potential. To fulfill this need, a simulation-modelling approach was developed whereby multiple individual wildfires are modelled in an…
Author(s): Marc-Andre Parisien, Denyse A. Dawe, Carol Miller, Christopher A. Stockdale, O. Bradley Armitage
Year Published:

Scope: The Interagency Standards for Fire and Fire Aviation Operations states, references, or supplements policy for Bureau of Land Management, U.S. Forest Service, U.S. Fish and Wildlife Service, National Park Service, and Bureau of Indian Affairs…
Author(s): Interagency Standards for Fire and Fire Aviation Operations Group
Year Published:

Human activities threaten the effectiveness of protected areas (PAs) in achieving their conservation goals across the globe. In this study, we contrast the influence of human and macro-environmental factors driving fire activity inside and outside…
Author(s): Nicolas Mansuy, Carol Miller, Marc-Andre Parisien, Sean A. Parks, Enric Batllori, Max A. Moritz
Year Published:

A key determinant of wildfire behaviour is the flammability of constituent plants. One plant trait that influences flammability is the retention of dead biomass, as the low moisture content of dead material means less energy is required to achieve…
Author(s): Jennifer M. Dent, Hannah L. Buckley, Audrey Lustig, Timothy J. Curran
Year Published:

Strong wildfires pose significant damage to all soil compartments and lead to land degradation. The complex nature and properties of fire‐derived materials require multidisciplinary efforts for their reliable characterization. The main objective of…
Author(s): Neli Jordanova, Diana Jordanova, Vidal Barrón
Year Published:

This chapter addresses Indigenous Fire Stewardship and cultural burning using several case studies applicable to wildland fire management in the Wildland-Urban Interface. Indigenous fire stewardship practices had the highest influence around…
Author(s): Frank K. Lake, A. C. Christianson
Year Published:

The smoldering combustion of natural organic layers such as peatlands leads to the largest and most persistent wildland fires on the Earth. The atmospheric oxygen concentration (mass fraction of oxygen: ) significantly influences the smoldering…
Author(s): Jiuling Yang, Naian Liu, Haixiang Chen, Wei Gao, Ran Tu
Year Published:

Wildfire simulators and decision support systems can assist the incident command teams in charge of tactical wildfire suppression. This paper presents a web-based wildfire simulator developed to provide real-time support for wildfire management. The…
Author(s): Bachisio Arca, Tiziano Ghisu, Marcello Casula, Michele Salis, Pierpaolo Duce
Year Published:

Public lands provide many ecosystem services and support diverse plant and animal communities. In order to provide these benefits in the future, land managers and policy makers need information about future climate change and its potential effects.…
Author(s): Sebastian Martinuzzi, Andrew J. Allstadt, Anna M. Pidgeon, Curtis H. Flather, William Matt Jolly, Volker C. Radeloff
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: