Arid
DOI10.1111/j.1526-100X.2008.00445.x
Transplant Survivorship of Bryophyte Soil Crusts in the Mojave Desert
Cole, Christina1; Stark, Lloyd R.1; Bonine, Mary L.1; McLetchie, D. Nicholas2
通讯作者Stark, Lloyd R.
来源期刊RESTORATION ECOLOGY
ISSN1061-2971
EISSN1526-100X
出版年2010
卷号18期号:2页码:198-205
英文摘要

Patches of the dominant biological soil crust moss (Syntrichia caninervis) in the Mojave Desert were subjected to transplant experiments to test the survivability of crustal transplantation due to source or destination microhabitat. After a period of 27 months, all the reciprocally transplanted and replanted sections had survived. However, percent cover of the reciprocally transplanted patches declined 20-50% relative to initial cover compared to a decline in cover of 36-52% for the replanted patches. Similarly, shoot density declined an average of 26% in the transplants and replants. Shoot mortality was essentially negligible through the first 21 months of the study and then declining across all treatments to approximately 5-10 dead shoots/cm2. However, this shoot death was also observed in equivalent densities in the host patches, indicative of a community-wide decline in plant health that was probably related to a regional rainfall deficit over this period. A tendency existed for plants moved from a shaded site to have reduced shoot density in the new site, and plants moved into exposed sites lost significantly more cover than plants moved into shaded sites. These seemingly conflicting trends result from one of the transplant treatments, the shaded to exposed, exhibiting a greater loss in shoot density and decline in cover than its reciprocal transplant, exposed to shaded. For soil restoration of disturbed bryophyte crusts, we recommend using as source material both the exposed and the shaded portions of the crust but avoiding moving Syntrichia from a shaded site into an exposed site.


英文关键词biological soil crust bryophyte crust mortality mosses Syntrichia transplants
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000275757500010
WOS关键词NITROGENASE ACTIVITY ; TORTULA-RURALIS ; ARID ECOSYSTEMS ; NATIONAL-PARK ; MOSS ; GROWTH ; DISTURBANCE ; POPULATIONS ; PLASTICITY ; WOODLANDS
WOS类目Ecology
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/2XILL650/166270
作者单位1.Univ Nevada, Sch Life Sci, Las Vegas, NV 89154 USA;
2.Univ Kentucky, TH Morgan Sch Biol Sci, Lexington, KY 40506 USA
推荐引用方式
GB/T 7714
Cole, Christina,Stark, Lloyd R.,Bonine, Mary L.,et al. Transplant Survivorship of Bryophyte Soil Crusts in the Mojave Desert[J],2010,18(2):198-205.
APA Cole, Christina,Stark, Lloyd R.,Bonine, Mary L.,&McLetchie, D. Nicholas.(2010).Transplant Survivorship of Bryophyte Soil Crusts in the Mojave Desert.RESTORATION ECOLOGY,18(2),198-205.
MLA Cole, Christina,et al."Transplant Survivorship of Bryophyte Soil Crusts in the Mojave Desert".RESTORATION ECOLOGY 18.2(2010):198-205.
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