Arid
DOI10.1016/j.jaridenv.2008.12.008
The seedbed microclimate and active revegetation of disturbed lands in the Mojave Desert
Caldwell, T. G.1; McDonald, E. V.; Young, M. H.2
通讯作者Caldwell, T. G.
来源期刊JOURNAL OF ARID ENVIRONMENTS
ISSN0140-1963
EISSN1095-922X
出版年2009
卷号73期号:4-5页码:563-573
英文摘要

One of the greatest challenges to the U.S. Department of Defense is maintaining the sustainability of military lands while maximizing their use for training activities. Restoration of disturbed lands in the Mojave Desert has proven to be a challenge, particularly revegetation from seed. This study presents soil Moisture dynamics from three restoration sites at the National Training Center, Ft. Irwin, CA. The soil microclimate (matric potential, water balance, and temperature) was monitored beneath various surface treatments to better assess their effects on seed germination and establishment. Results show that under the typically hot and dry climatic conditions that prevail, the soil microclimate is a hostile environment. Irrigation had the most positive effect on the seedbed. Surface mulches including gravel, straw, emulsion, and bark had limited benefits often detrimental. Although seedlings germinated, survival after three months was negligible. Results presented here suggest that successful seeding with broadcast sprinkler irrigation in the central Mojave Desert is not possible unless the seedbed area is limited or advantageous environmental conditions prevail. Improved knowledge of the germination requirements and applied numerical modeling would result in more successful seedbed management. Published by Elsevier Ltd.


英文关键词Drought effects Ecohydrology Germination Hydrothermal time Monitoring Mulch Restoration Sensors
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000264614300024
WOS关键词SOIL-WATER ; GERMINATION RESPONSE ; VARIABILITY ; CALIFORNIA ; RECOVERY ; PULSES ; ENERGY ; USA
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
来源机构Desert Research Institute
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/161343
作者单位1.Univ Nevada, Desert Res Inst, Div Earth & Ecosyst Sci, Reno, NV 89512 USA;
2.Desert Res Inst, Las Vegas, NV 89119 USA
推荐引用方式
GB/T 7714
Caldwell, T. G.,McDonald, E. V.,Young, M. H.. The seedbed microclimate and active revegetation of disturbed lands in the Mojave Desert[J]. Desert Research Institute,2009,73(4-5):563-573.
APA Caldwell, T. G.,McDonald, E. V.,&Young, M. H..(2009).The seedbed microclimate and active revegetation of disturbed lands in the Mojave Desert.JOURNAL OF ARID ENVIRONMENTS,73(4-5),563-573.
MLA Caldwell, T. G.,et al."The seedbed microclimate and active revegetation of disturbed lands in the Mojave Desert".JOURNAL OF ARID ENVIRONMENTS 73.4-5(2009):563-573.
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