globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2014.04.026
Scopus记录号: 2-s2.0-84902079935
论文题名:
Vegetation composition along a New England transmission line corridor and its implications for other trophic levels
作者: Wagner D.L.; Metzler K.J.; Leicht-Young S.A.; Motzkin G.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2014
卷: 327
起始页码: 231
结束页码: 239
语种: 英语
英文关键词: Managed habitats ; Non-native invasive species ; Oligolectic bees ; Plant diversity ; Powerline ; Rare species
Scopus关键词: Animals ; Ecosystems ; Transmission line theory ; Vegetation ; Invasive species ; Oligolectic bees ; Plant diversity ; Power lines ; Rare species ; Electric lines ; forest floor ; habitat corridor ; habitat management ; herbicide ; native species ; power line ; rare species ; trophic level ; vegetation structure ; woody plant ; bee ; community composition ; electricity supply ; insect ; invasive species ; plant community ; species diversity ; species richness ; Connecticut ; New Hampshire ; United States ; New England ; Apoidea
英文摘要: Transmission line corridors in forested landscapes provide important early successional habitats for a taxonomically rich array of native plant and animal life, including populations of rare species. We measured plant diversity and cover for 27 randomly selected paired powerline and woodland plots along a 140-km rights-of-way corridor that extended from northern Connecticut into southern New Hampshire. Mean plant richness was significantly higher in powerline plots (x-= 49.8 species) than in woodland plots (x-= 29.5 species). Powerline plots with the greatest richness were those that included a maintenance road or other areas of disturbed, open soil. Three hundred and twenty-six plant species were recorded in powerline plots, more than twice the number found in woodland plots (n= 157). Powerline plots had higher invasive plant cover than the woodland plots, but non-native invasive species cover was low (<2%) in both powerline and woodland plots. Cover of clonal species was greater in the powerline plots (mean values of 12.0% ±1.2 vs. 4.0% ±0.6). Northern powerline plots in our study, maintained exclusively by mowing, had a higher proportion of tree cover than southern plots that were maintained by mowing plus spot-application of herbicides. No differences were found in the proportional cover of all woody plants, clonal species, or invasive species among the two management types. We include a discussion of host-specialized Lepidoptera, oligolectic bees, and other wildlife that are dependent on vegetation composition and structure found along transmission line corridors in the Northeast. © 2014 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/65886
Appears in Collections:影响、适应和脆弱性

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作者单位: Center of Conservation and Biodiversity, Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT 06269, United States; Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT 06269, United States; Arnold Arboretum of Harvard University, 1300 Centre St., Boston, MA 02131, United States; Conway School, Conway, MA 01341, United States

Recommended Citation:
Wagner D.L.,Metzler K.J.,Leicht-Young S.A.,et al. Vegetation composition along a New England transmission line corridor and its implications for other trophic levels[J]. Forest Ecology and Management,2014-01-01,327
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