Burn Severity and Non-Native Species in Yosemite National Park, California, USA

被引：0
|
作者：
Kristen M. Kaczynski
Susan W. Beatty
Jan W. van Wagtendonk
Kristin N. Marshall
机构：
[1] University of Colorado,Department of Geography
[2] US Geological Survey,Western Ecological Research Center, Yosemite Field Station
[3] Colorado State University,Graduate Degree Program in Ecology and Department of Forestry Rangeland and Watershed Stewardship
来源：
Fire Ecology | 2011年 / 7卷
关键词：
bull thistle; burn severity; non-native plants; Yosemite National Park;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We examined non-native species density three years after the Tuolumne Fire, which burned 1540 ha in upper montane forest in California, USA. We sampled 60 plots, stratified by burn severity (low, moderate, or high severity) and landscape position (lowland or upland). We detected non-native species in 8 of 11 (73 %) of high severity lowland sites and in 5 of 10 (50 %) of moderate severity lowland sites but, overall, richness and abundance was low. We detected only five non-native species, of which bull thistle (Cirsium vulgare [Savi] Ten.) was the most common. Although non-native abundance is currently low, we recommend continued low intensity monitoring, especially on high severity burned lowland sites.
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页码：145 / 149
页数：4
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