Arid
DOI10.3368/er.36.3.177
Restoration of North American Salt Deserts: A Look at the Past and Suggestions for the Future
Jonas, Jayne L.1; Grant-Hoffman, M. Nikki2; Paschke, Mark W.1
通讯作者Jonas, Jayne L.
来源期刊ECOLOGICAL RESTORATION
ISSN1543-4060
EISSN1543-4079
出版年2018
卷号36期号:3页码:177-194
英文摘要

North American salt deserts are typically characterized by slow-growing Atriplex shrubs and perennial grasses with biological soil crusts (BSC) important in shrub interspaces. Disturbance due to heavy livestock use, wildfire, and recreation and energy development has increased the need for restoration of salt deserts in the western United States. However, restoration often fails due to invasive annual species and poor native plant establishment. In addition to a literature review, we surveyed restored salt desert sites in National Conservation Areas and other public lands in western Colorado ranging in age (3-63 yr) and restoration methods to assess approaches that were more or less successful. We used non-parametric ordination techniques to compare plant communities to environmental and restoration explanatory variables. Restored communities tended to move toward reference condition over time, but soil type, seeding, and type of disturbance also influenced plant community recovery. Overgrazed sites passively restored by long-term livestock exclusion were most similar to reference sites, while sites affected by wildfire and soil-related disturbances were most different from reference with non-native invasive annual grass (primarily Bromus tectorum) and forbs being common. These undesirable species were also more abundant on seeded sites than non-seeded or references sites, although mixes with a higher proportion of native species tended to improve outcomes. Results suggest that disturbance type and management approaches can have a large impact on restoration success in Intermountain West salt deserts, though many questions require further research.


英文关键词Atriplex shrublands Chenopod shrubs cold desert saltbush scrub shadscale zone
类型Review
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000456505200005
WOS关键词BIOLOGICAL SOIL CRUSTS ; SEED-GERMINATION ; BROMUS-TECTORUM ; ATRIPLEX CONFERTIFOLIA ; EXPERIMENTAL RANGE ; FOURWING SALTBUSH ; GREAT-BASIN ; NATIVE SOIL ; INVASION ; PATTERNS
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
来源机构Colorado State University
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/208775
作者单位1.Colorado State Univ, Dept Forest & Rangeland Stewardship, Ft Collins, CO 80523 USA;
2.Bur Land Management, Colorado Natl Conservat Lands, Grand Junction, CO 81506 USA
推荐引用方式
GB/T 7714
Jonas, Jayne L.,Grant-Hoffman, M. Nikki,Paschke, Mark W.. Restoration of North American Salt Deserts: A Look at the Past and Suggestions for the Future[J]. Colorado State University,2018,36(3):177-194.
APA Jonas, Jayne L.,Grant-Hoffman, M. Nikki,&Paschke, Mark W..(2018).Restoration of North American Salt Deserts: A Look at the Past and Suggestions for the Future.ECOLOGICAL RESTORATION,36(3),177-194.
MLA Jonas, Jayne L.,et al."Restoration of North American Salt Deserts: A Look at the Past and Suggestions for the Future".ECOLOGICAL RESTORATION 36.3(2018):177-194.
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