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Displaying 101 - 120 of 614

Subalpine forests that historically burned every 100–300 yr are expected to burn more frequently as climate warms, perhaps before trees reach reproductive maturity or produce a serotinous seedbank. Tree regeneration after short‐interval (<30‐yr)…
Author(s): Nathan S. Gill, Tyler J. Hoecker, Monica G. Turner
Year Published:

Suppression of historic fire regimes in North America has altered successional stages and shifted vegetation communities, negatively impacting wildlife diversity in forests. Prescribed fire is often used to increase habitat for wildlife populations…
Author(s): Dana J. Morin, Laurel Schablein, Nikole Simmons, Jean Lorber, Marek K. Smith
Year Published:

Changing wildfire regimes are causing rapid shifts in forests worldwide. In particular, forested landscapes that burn repeatedly in relatively quick succession may be at risk of conversion when pre‐fire vegetation cannot recover between fires. Fire…
Author(s): William M. Downing, Garrett W. Meigs, Matthew J. Gregory, Meg A. Krawchuk
Year Published:

Over the past century the size and severity of wildfires, as well as post-fire recovery processes (e.g., seedling establishment), have been altered from historical levels due to management policies and changing climate. Tree seedling establishment…
Author(s): Darcy H. Hammond, Eva K. Strand, Penelope Morgan, Andrew T. Hudak, Beth A. Newingham
Year Published:

A long-term study at Lick Creek demonstrates how fuel treatments in dry forests provide benefits beyond mitigating the chance of a high-severity fire.
Author(s): Nehalem C. Clark
Year Published:

Questions: Invasive‐plant treatments often target a single or few species, but many landscapes are diversely invaded. Exotic annual grasses (EAGs) increase wildfires and degrade native perennial plant communities in cold‐desert rangelands, and…
Author(s): Brynne E. Lazarus, Matthew J. Germino
Year Published:

We review science-based adaptation strategies for western North American (wNA) forests that include restoring active fire regimes and fostering resilient structure and composition of forested landscapes. As part of the review, we address common…
Author(s): Susan J. Prichard, Paul F. Hessburg, R. Keala Hagmann, Nicholas A. Povak, Solomon Z. Dobrowski, Matthew D. Hurteau, Van R. Kane, Robert E. Keane, Leda N. Kobziar, Crystal A. Kolden, Malcolm P. North, Sean A. Parks, Hugh Safford, Jens T. Stevens, Larissa L. Yocom, Derek J. Churchill, Robert W. Gray, David W. Huffman, Frank K. Lake, Pratima Khatri-Chhetri
Year Published:

Context:Landscape and local factors govern tree regeneration across heterogeneous post-fire forest environments. But their relative influence is unclear—limiting the degree that managers can consider landscape context when delegating resources to…
Author(s): Jamie L. Peeler, Erica A. H. Smithwick
Year Published:

Concern about the impacts of two invasive annual brome grasses (cheatgrass and Japanese brome, Bromus tectorum L. and B. japonicus Thunb. ex Murray) on the mixed-grass prairie of North America's northern Great Plains (NGP) is growing. Cheatgrass is…
Author(s): Amy J. Symstad, Deborah A. Buhl, Daniel J. Swanson
Year Published:

Large, high‐severity wildfires are an important component of disturbance regimes around the world and can influence the structure and function of forest ecosystems. Climatic changes and anthropogenic disturbances have altered global disturbance…
Author(s): Elle J. Bowd, David Blair, David B. Lindenmayer
Year Published:

Fire-prone dry forests often face increasing fires from climate change with low resistance and resilience due to logging of large, old fire-resistant trees. Their restoration across large landscapes is constrained by limited mature trees, physical…
Author(s): William L. Baker
Year Published:

The Forest Vegetation Simulator (FVS) growth and yield model is widely used throughout the United States, but recent studies have reported unexpectedly large bias for some regional model variants. Here we propose a general framework for model…
Author(s): Benjamin A. Bagdon, Trung H. Nguyen, Anthony Vorster, Keith Paustian, John L. Field
Year Published:

Key to the long-term resilience of dryland ecosystems is the recovery of foundation plant species following disturbance. In ecosystems with high interannual weather variability, understanding the influence of short-term environmental conditions on…
Author(s): Alexandra K. Urza, Peter J. Weisberg, David Board, Jeanne C. Chambers, Stanley G. Kitchen, Bruce A. Roundy
Year Published:

Sexual regeneration is increasingly recognized as an important regeneration pathway for aspen in the western U.S., a region previously thought to be too dry for seedling establishment except for during unusually wet periods. Due to this historical…
Author(s): Mark R. Kreider, Larissa L. Yocom
Year Published:

Hillslope erosion has often been monitored with sediment fences, but these can underestimate sediment yields due to overtopping of runoff and associated sediment. We modified four sediment fences to collect and measure the runoff and sediment that…
Author(s): Codie Wilson, Stephanie Kampf, Joseph W. Wagenbrenner, Lee H. MacDonald, Hunter Gleason
Year Published:

Active wildfire seasons in the western U.S. warrant the evaluation of post‐fire forest management strategies. Ground‐based salvage logging is often used to recover economic loss of burned timber. In unburned forests, ground‐based logging often…
Author(s): Peter R. Robichaud, Edwin D. Bone, Sarah A. Lewis, Erin S. Brooks, Robert E. Brown
Year Published:

Western North American sagebrush shrublands and steppe face accelerating risks from fire-driven feedback loops that transition these ecosystems into self-reinforcing states dominated by invasive annual grasses. In response, sagebrush conservation…
Author(s): Thomas J. Rodhouse, Jeffrey Lonneker, Lisa Bowersock, Diana Popp, Jamela C. Thompson, Gordon H. Dicus, Kathryn M. Irvine
Year Published:

We review science-based adaptation strategies for western North American (wNA) forests that include restoring active fire regimes and fostering resilient structure and composition of forested landscapes. As part of the review, we address common…
Author(s): Susan J. Prichard, Paul F. Hessburg, R. Keala Hagmann, Nicholas A. Povak, Solomon Z. Dobrowski, Matthew D. Hurteau, Van R. Kane, Robert E. Keane, Leda N. Kobziar, Crystal A. Kolden, Malcolm P. North, Sean A. Parks, Hugh Safford, Jens T. Stevens, Larissa L. Yocom, Derek J. Churchill, Robert W. Gray, David W. Huffman, Frank K. Lake, Pratima Khatri-Chhetri
Year Published:

Wildfire detection is a time-critical application as the difficulty to pinpoint ignition locations in a short time-frame often leads to the escalation of the severity of fire events. This problem has motivated considerable interest from expert…
Author(s): Maria João Sousa, Alexandra Moutinho, Miguel Almeida
Year Published:

Several recent studies have documented how fire severity affects the density and spatial patterns of tree regeneration in western North American ponderosa pine forests. However, less is known about the effects of fire severity on fine-scale tree…
Author(s): Suzanne M. Owen, Carolyn Hull Sieg, Peter Z. Fule, Catherine A. Gehring, L. Scott Baggett, Jose M. Iniguez, Paula J. Fornwalt, Michael A. Battaglia
Year Published: