Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1002/eap.1447 |
Landscape genetic approaches to guide native plant restoration in the Mojave Desert | |
Shryock, Daniel F.1; Havrilla, Caroline A.2; DeFalco, Lesley A.1; Esque, Todd C.1; Custer, Nathan A.1; Wood, Troy E.3 | |
通讯作者 | Shryock, Daniel F. |
来源期刊 | ECOLOGICAL APPLICATIONS
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ISSN | 1051-0761 |
EISSN | 1939-5582 |
出版年 | 2017 |
卷号 | 27期号:2页码:429-445 |
英文摘要 | Restoring dryland ecosystems is a global challenge due to synergistic drivers of disturbance coupled with unpredictable environmental conditions. Dryland plant species have evolved complex life-history strategies to cope with fluctuating resources and climatic extremes. Although rarely quantified, local adaptation is likely widespread among these species and potentially influences restoration outcomes. The common practice of reintroducing propagules to restore dryland ecosystems, often across large spatial scales, compels evaluation of adaptive divergence within these species. Such evaluations are critical to understanding the consequences of large-scale manipulation of gene flow and to predicting success of restoration efforts. However, genetic information for species of interest can be difficult and expensive to obtain through traditional common garden experiments. Recent advances in landscape genetics offer marker-based approaches for identifying environmental drivers of adaptive genetic variability in non-model species, but tools are still needed to link these approaches with practical aspects of ecological restoration. Here, we combine spatially explicit landscape genetics models with flexible visualization tools to demonstrate how cost-effective evaluations of adaptive genetic divergence can facilitate implementation of different seed sourcing strategies in ecological restoration. We apply these methods to Amplified Fragment Length Polymorphism (AFLP) markers genotyped in two Mojave Desert shrub species of high restoration importance: the long-lived, wind-pollinated gymnosperm Ephedra nevadensis, and the short-lived, insect-pollinated angiosperm Sphaeralcea ambigua. Mean annual temperature was identified as an important driver of adaptive genetic divergence for both species. Ephedra showed stronger adaptive divergence with respect to precipitation variability, while temperature variability and precipitation averages explained a larger fraction of adaptive divergence in Sphaeralcea. We describe multivariate statistical approaches for interpolating spatial patterns of adaptive divergence while accounting for potential bias due to neutral genetic structure. Through a spatial bootstrapping procedure, we also visualize patterns in the magnitude of model uncertainty. Finally, we introduce an interactive, distance-based mapping approach that explicitly links marker-based models of adaptive divergence with local or admixture seed sourcing strategies, promoting effective native plant restoration. |
英文关键词 | drylands ecological restoration genome scan landscape genetics local adaptation Mojave Desert multivariate analysis seed provenance strategy seed transfer zones spatial genetics |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000395634300010 |
WOS关键词 | CARBON-ISOTOPE DISCRIMINATION ; LOCAL ADAPTATION ; ECOLOGICAL RESTORATION ; ENCELIA-FARINOSA ; CLIMATE-CHANGE ; GENOME-SCAN ; CONCEPTUAL ISSUES ; TREE POPULATIONS ; NORTH-AMERICA ; TRADE-OFFS |
WOS类目 | Ecology ; Environmental Sciences |
WOS研究方向 | Environmental Sciences & Ecology |
来源机构 | United States Geological Survey |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/198408 |
作者单位 | 1.US Geol Survey, Western Ecol Res Ctr, 160 North Stephanie St, Henderson, NV 89074 USA; 2.Univ Colorado, Boulder, CO 80309 USA; 3.US Geol Survey, Colorado Plateau Res Stn, Southwest Biol Sci Ctr, POB 5614, Flagstaff, AZ 86011 USA |
推荐引用方式 GB/T 7714 | Shryock, Daniel F.,Havrilla, Caroline A.,DeFalco, Lesley A.,et al. Landscape genetic approaches to guide native plant restoration in the Mojave Desert[J]. United States Geological Survey,2017,27(2):429-445. |
APA | Shryock, Daniel F.,Havrilla, Caroline A.,DeFalco, Lesley A.,Esque, Todd C.,Custer, Nathan A.,&Wood, Troy E..(2017).Landscape genetic approaches to guide native plant restoration in the Mojave Desert.ECOLOGICAL APPLICATIONS,27(2),429-445. |
MLA | Shryock, Daniel F.,et al."Landscape genetic approaches to guide native plant restoration in the Mojave Desert".ECOLOGICAL APPLICATIONS 27.2(2017):429-445. |
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