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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Redmond, Miranda D. Zelikova, Tamara J. Barger, Nichole N. |
| Spatial Coverage | Utah |
| Description | Author Affiliation: Redmond MD ( Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO, USA, mirandaredmond@gmail.com.) |
| Abstract | National fuel-reduction programs aim to reduce the risk of wildland fires to human communities and to restore forest and rangeland ecosystems to resemble their historical structure, function, and diversity. There are a number of factors, such as seed bank dynamics, post-treatment climate, and herbivory, which determine whether this latter goal may be achieved. Here, we examine the short-term (2 years) vegetation response to fuel-reduction treatments (mechanical mastication, broadcast burn, and pile burn) and seeding of native grasses on understory vegetation in an upland piñon-juniper woodland in southeast Utah. We also examine how wildlife herbivory affects the success of fuel-reduction treatments. Herbaceous cover increased in response to fuel-reduction treatments in all seeded treatments, with the broadcast burn and mastication having greater increases (234 and 160 %, respectively) in herbaceous cover than the pile burn (32 %). In the absence of seeding, herbaceous cover only increased in the broadcast burn (32 %). Notably, fuel-reduction treatments, but not seeding, strongly affected herbaceous plant composition. All fuel-reduction treatments increased the relative density of invasive species, especially in the broadcast burn, which shifted the plant community composition from one dominated by perennial graminoids to one dominated by annual forbs. Herbivory by wildlife reduced understory plant cover by over 40 % and altered plant community composition. If the primary management goal is to enhance understory cover while promoting native species abundance, our study suggests that mastication may be the most effective treatment strategy in these upland piñon-juniper woodlands. Seed applications and wildlife exclosures further enhanced herbaceous cover following fuel-reduction treatments. |
| File Format | HTM / HTML |
| ISSN | 0364152X |
| Issue Number | 5 |
| Volume Number | 54 |
| e-ISSN | 14321009 |
| Journal | Environmental Management |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2014-11-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Health Biota Conservation Of Natural Resources Methods Fires Forests Herbivory Analysis Of Variance Animals Introduced Species Juniperus Poaceae Growth & Development Population Dynamics Species Specificity Utah Journal Article Research Support, U.s. Gov't, Non-p.h.s. |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology Pollution Global and Planetary Change |
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