DOI: 10.1016/j.foreco.2013.11.001
Scopus记录号: 2-s2.0-84890763654
论文题名: Spatial genetic structure in 21 populations of butternut, a temperate forest tree (Juglans cinerea L.), is correlated to spatial arrangement, habitat, and land-use history
作者: Hoban S.M. ; McCleary T.S. ; Schlarbaum S.E. ; Romero-Severson J.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2014
卷: 314 起始页码: 50
结束页码: 58
语种: 英语
英文关键词: Dispersal
; Isolation-by-distance
; Recruitment
; Riparian
; Sp statistic
; Spatial genetics
Scopus关键词: Dispersal
; Isolation-by-distance
; Recruitment
; Riparian
; Spatial genetics
; Conservation
; Ecosystems
; Land use
; Plants (botany)
; Population statistics
; Forestry
; age structure
; colonization
; conservation genetics
; deciduous forest
; demography
; dispersal
; endangered species
; environmental conditions
; forest ecosystem
; genetic structure
; habitat restoration
; isolated population
; kinship
; land use change
; recruitment (population dynamics)
; spatial analysis
; temperate forest
; Conservation
; Dispersants
; Ecosystems
; Forestry
; Genetic Engineering
; Land Use
; Trees
英文摘要: It is well known that spatial genetic structure (SGS), a phenomenon that occurs to some degree in most plants, is influenced by species' characteristics such as dispersal biology. However, local conditions (e.g., spatial, environmental, demographic) may also contribute to SGS, but the influence of local factors is rarely quantified. To test the role of local conditions, we quantified SGS in 21 populations of the threatened forest tree Juglans cinerea (butternut). We observed a wide range across the populations in several measures of SGS (mean Sp statistic: 0.020, range: ~0-0.04; mean F1: 0.06, range: ~0-0.13). We found correlations between local conditions and several measures of SGS. Specifically, ecological zone (riparian/ upland), and degree of habitat linearity strongly correlated to the Sp statistic and the distance over which positive relatedness was observed (Dpos). In contrast, degree of aggregation was significantly associated with high kinship in the smallest distance class (F1), and a signature of colonization. Land-use history had minor effects compared to spatial or ecological factors. Population age structure significantly influenced F1, but not other metrics. Our work suggests that spatial, demographic, and environmental factors interact to determine SGS, and emphasizes that different aspects of SGS are not necessarily influenced by the same ecological factors. An influence of local conditions on SGS has implications for population genetic response to rapidly changing habitats as well as forest restoration. © 2013 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/66142
Appears in Collections: 影响、适应和脆弱性
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作者单位: University of Notre Dame, Department of Biological Sciences, Notre Dame, IN 46556, United States; The University of Tennessee, Department of Forestry, Wildlife and Fisheries, Knoxville, TN 37996, United States; National Institute for Mathematical and Biological Synthesis (NIMBioS), University of Tennessee, 1100 Volunteer Blvd, Knoxville, United States
Recommended Citation:
Hoban S.M.,McCleary T.S.,Schlarbaum S.E.,et al. Spatial genetic structure in 21 populations of butternut, a temperate forest tree (Juglans cinerea L.), is correlated to spatial arrangement, habitat, and land-use history[J]. Forest Ecology and Management,2014-01-01,314