globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2017.06.022
Scopus记录号: 2-s2.0-85020876486
论文题名:
Low-basal area treatment and prescribed fire to restore oak-pine savannas alter small mammal communities
作者: Jacques M.-E.; Hallgren S.W.; Wilson D.S.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2017
卷: 400
起始页码: 353
结束页码: 362
语种: 英语
英文关键词: Burn ; Coarse woody debris ; Distance of vulnerability ; Ground cover ; Peromyscus ; Reithrodontomys
英文摘要: Following decades of fire suppression many oak-pine savanna ecosystems have shifted to closed-canopied forests. Restoration of these ecosystems to their savanna condition is seen as a way to reduce woody species encroachment and dangerous fuel loads, and restore community species composition. The management practices to achieve these goals typically involve thinning and prescribed fire. We assessed how thinning to reduce basal area combined with frequent prescribed fire influenced small mammal communities and their habitat. We focused on six habitat variables that can influence small mammal abundance and species composition: stand basal area of live trees and snags, volume of coarse woody debris, percent ground cover, forest floor depth, and distance of vulnerability, a measure of understory vegetation structure and animal vulnerability to predators. Although savanna restoration reduced basal area by 80%, there was no change in snag density or coarse woody debris volume. Savanna restoration significantly increased the ground cover of graminoids, forbs, bare ground, and down woody debris and reduced forest floor depth and distance of vulnerability. These habitat changes likely contributed to the significant differences between small mammal communities in restored and non-restored stands. Restoration treatments caused a large increase in abundance of White-footed Mouse (Peromyscus leucopus) and important changes in community assemblages. Least Shrew (Cryptotis parva), Fulvous Harvest Mouse (Reithrodontomys fulvescens), Eastern Harvest Mouse (R. humulis), and Hispid Cotton Rat (Sigmodon hispidus) were caught only in restored stands, while House Mouse (Mus musculus), Plains Harvest Mouse (R. montanus), and Texas Mouse (P. attwateri) were caught only in non-restored stands. © 2017 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/64210
Appears in Collections:影响、适应和脆弱性

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作者单位: Department of Natural Resource Ecology and Management, 008C AgHall, Oklahoma State University, Stillwater, OK, United States

Recommended Citation:
Jacques M.-E.,Hallgren S.W.,Wilson D.S.. Low-basal area treatment and prescribed fire to restore oak-pine savannas alter small mammal communities[J]. Forest Ecology and Management,2017-01-01,400
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