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Ecosystem

Displaying 2341 - 2360 of 6073 results

Over recent decades, increases in substantial tree mortality events have coincided with severe drought and bark beetle outbreak. This has prompted forest managers to find treatments that enhance resistance to disturbances. Variable density thinning…
Author(s): Jeffrey M. Kane, Alexis Bernal
Year Published:

Background: Straw mulching is one of the most common treatments applied immediately post fire to reduce soil erosion potential and mitigate post-fire effects on water quality, downstream property, and infrastructure, but little is known about the…
Author(s): Jonathan D. Bontrager, Penelope Morgan, Andrew T. Hudak, Peter R. Robichaud
Year Published:

This paper aims to develop a two-layer emergency logistics system with a single depot and multiple demand sites for wildfire suppression and disaster relief. For the first layer, a fire propagation model is first built using both the flame-igniting…
Author(s): Zhongzhen Yang, Liquan Guo, Zaili Yang
Year Published:

Stand changes brought on by fire exclusion have contributed to reduced resilience to wildfire in ponderosa pine forests throughout the western US. Growing recognition of how structural attributes influence resilience has led to interest in restoring…
Author(s): Eric E. Knapp, Alan H. Taylor, Michelle Coppoletta, Natalie Pawlikowski
Year Published:

Fire outbreaks are a serious risk in campsites due to the surroundings and dynamic environment of these areas. Due to climate change, conditions of high ignition propensity are becoming more frequent, leading to an increased need for the development…
Author(s): Maria João Sousa, Alexandra Moutinho, Miguel Almeida
Year Published:

Goals of fostering ecological resilience are increasingly used to guide U.S. public land management in the context of anthropogenic climate change and increasing landscape disturbances. There are, however, few operational means of assessing the…
Author(s): Robert E. Keane, Rachel A. Loehman, Lisa M. Holsinger, Donald A. Falk, Philip E. Higuera, Sharon M. Hood, Paul F. Hessburg
Year Published:

Prescribed fire is one of the most widely advocated management practices for reducing wildfire hazard and has a long and rich tradition rooted in indigenous and local ecological knowledge. The scientific literature has repeatedly reported that…
Author(s): Crystal A. Kolden
Year Published:

This case study explores the social dynamics surrounding a destructive wildfire in central Montana. We examine the settlement patterns and events that respondents felt helped create high social vulnerability among a significant portion of local…
Author(s): Matthew S. Carroll, Travis B. Paveglio
Year Published:

Western juniper (Juniperus occidentalis Hook.) encroachment and exotic annual grass (medusahead [Taeniatherum caput-medusae L. Nevski] and cheatgrass [Bromus tectorum L.]) invasion of sagebrush (Artemisia L.) communities decrease ecosystem services…
Author(s): Kirk W. Davies, A.E. Dean
Year Published:

Heat stress and forest fires are often considered highly correlated hazards as extreme temperatures play a key role in both occurrences. This commonality can influence how civil protection and local responders deploy resources on the ground and…
Author(s): Claudia Vitolo, Claudia Di Napoli, Francesca Di Giuseppe, Hannah L. Cloke, Florian Pappenberger
Year Published:

The field of aerobiology is expanding due to a recognition of the diversity of roles microbes play in both terrestrial and atmospheric ecology. Smoke from global biomass burning has had significant and widespread ecological and human health…
Author(s): Leda N. Kobziar, Melissa R. A. Pingree, Heather Larson, Tyler J. Dreaden, Shelby Green, Jason A. Smith
Year Published:

This FEIS species review synthesizes information on the relationship of Pinus ponderosa var. ponderosa (Pacific ponderosa pine) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided…
Author(s): Janet L. Fryer
Year Published:

Increasing air temperature, through its influence on soil moisture, is expected to cause gradual changes in the abundance and distribution of tree, shrub, and grass species throughout the Northern Rockies, with drought tolerant species becoming more…
Author(s): Robert E. Keane, M. F. Mahalovich, Barry Bollenbacher, Mary Manning, Rachel A. Loehman, Theresa B. Jain, Lisa M. Holsinger, Andrew J. Larson
Year Published:

Executive summary: Wildfires are a fact of life for westerners. They mark the beginning of the spring season and have been a keystone architect of biodiverse ecosystems for millennia. While wildfires are not eco-catastrophes, they are a health…
Author(s): Dominick A. DellaSala, Timothy Ingalsbee, Chad T. Hanson
Year Published:

The air quality and fire management communities are faced with increasingly difficult decisions regarding critical fire management activities, given the potential contribution of wildland fires to fine particulate matter (PM2.5). Unfortunately, in…
Author(s): Kelley C. Barsanti, Brian K. Lamb, Robert J. Yokelson
Year Published:

Our knowledge of what animals do when humans aren’t around has steadily increased over the last 50 years. For example, we know now that animals use tools in their daily lives. Chimps use twigs to fish for termites; sea otters break open shellfish on…
Author(s): George Nicholas
Year Published:

Fuel-reduction treatments have been used effectively in dry, fire-adapted forests to reduce risk of high-severity crown fire, but it is less certain if they achieve their ecosystem restoration objectives. To date, there has not been a comprehensive…
Author(s): Jonathan D. Bakker, Charles B. Halpern, Richy J. Harrod, Lauren S. Urgenson, Allison K. Rossman, David W. Peterson
Year Published:

Landsat-based fire severity datasets are an invaluable resource for monitoring and research purposes. These gridded fire severity datasets are generally produced with pre- and post-fire imagery to estimate the degree of fire-induced ecological…
Author(s): Sean A. Parks, Lisa M. Holsinger, Morgan A. Voss, Rachel A. Loehman, Nathaniel P. Robinson
Year Published:

Remote sensing products provide a vital understanding of wildfire effects across a landscape, but detection and delineation of low- and mixed-severity fire remain difficult. Although data provided by the Monitoring Trends in Burn Severity (MTBS)…
Author(s): T. Ryan McCarley, Alistair M. S. Smith, Crystal A. Kolden, Jason Kreitler
Year Published:

Under the Firewise USA™ national recognition program, residents living in the wildland–urban interface have been taking action to reduce the wildfre hazards around the exterior of their homes and in the three home ignition zones on their properties…
Author(s): Cathy Prudhomme
Year Published: