Arid
DOI10.1016/j.jaridenv.2015.01.003
Restoring a desert ecosystem using soil salvage, revegetation, and irrigation
Abella, Scott R.1; Chiquoine, Lindsay P.2; Newton, Alice C.3; Vanier, Cheryl H.2
通讯作者Abella, Scott R.
来源期刊JOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
EISSN1095-922X
出版年2015
卷号115页码:44-52
英文摘要

Effective restoration techniques are needed in many arid lands for reversing degradation and desertification. In the Mojave Desert of the American Southwest, we tested experimental techniques for enhancing survival of salvaged perennial plants and their establishment on severely disturbed sites. Rooting hormone, slurry, and soaking treatments were ineffective at enhancing plant survival of salvage. Survival of salvaged plants after one year of nursery care was 48% (1017 of 2105 plants). Of these survivors, 50% survived 27 mo after transplanting back to field restoration sites. On restoration sites, irrigation increased transplant survival by 50% (DRiWATER, a slow-release gel) and 79% (hand watering), compared to no irrigation (35% survival). Providing salvaged topsoil as a growth medium, without irrigation, doubled survival, nearly equivalent to Irrigating plants. Survival varied by an order of magnitude across 23 species, and species amenable to salvage also generally survived transplanting to field sites (r = 0.82 between salvage and transplant survival). Selecting species amenable to restoration and identifying treatments effective at enhancing survival can reestablish native perennial plants, often considered a first step in festering desert ecosystems. (C) 2015 Elsevier Ltd. All rights reserved.


英文关键词Fertile island Outplanting Recovery Restoration Topsoil
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000350778400007
WOS关键词MOJAVE DESERT ; ECOLOGICAL RESTORATION ; PLANTS ; RECLAMATION ; TOPSOIL
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/188315
作者单位1.Nat Resource Conservat LLC, Boulder City, NV 89005 USA;
2.Univ Nevada, Dept Environm & Occupat Hlth, Las Vegas, NV 89154 USA;
3.Natl Pk Serv, Lake Mead Natl Recreat Area, Boulder City, NV 89005 USA
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GB/T 7714
Abella, Scott R.,Chiquoine, Lindsay P.,Newton, Alice C.,et al. Restoring a desert ecosystem using soil salvage, revegetation, and irrigation[J],2015,115:44-52.
APA Abella, Scott R.,Chiquoine, Lindsay P.,Newton, Alice C.,&Vanier, Cheryl H..(2015).Restoring a desert ecosystem using soil salvage, revegetation, and irrigation.JOURNAL OF ARID ENVIRONMENTS,115,44-52.
MLA Abella, Scott R.,et al."Restoring a desert ecosystem using soil salvage, revegetation, and irrigation".JOURNAL OF ARID ENVIRONMENTS 115(2015):44-52.
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