Arid
DOI10.1080/15324982.2014.901994
Contrasting Long-Term Survival of Two Outplanted Mojave Desert Perennials for Post-Fire Revegetation
Scoles-Sciulla, Sara J.; DeFalco, Lesley A.; Esque, Todd C.
通讯作者Scoles-Sciulla, Sara J.
来源期刊ARID LAND RESEARCH AND MANAGEMENT
ISSN1532-4982
EISSN1532-4990
出版年2015
卷号29期号:1页码:110-124
英文摘要

Post-fire recovery of arid shrublands is typically slow, and planting greenhouse-raised seedlings may be a means of jump-starting this process. Recovery can be further accelerated by understanding the factors controlling post-planting survival. In fall 2007 and 2009, we outplanted seedlings of two contrasting native evergreen shrubs-fast-growing Nevada jointfir and slow-growing blackbrush-across five burned sites in the Mojave Desert. To increase soil moisture and optimize seedling survival, we experimentally applied and evaluated soil amendments and supplemental watering. We also evaluated two herbicides that reduce competitive invasive annual grasses and two types of herbivore protection. Survival of jointfir outplanted in 2007 was 61% after 43 months, and site largely influenced survival, while herbicide containing imazapic applied more than one year after outplanting reduced survival. Reduced survival of jointfir outplanted in 2009 coincided with delayed seasonal precipitation that intensified foliar damage by small mammals. In contrast, blackbrush survival was 4% after 43 months, and was influenced by site, type of herbivore protection, and greenhouse during the 2007 outplanting, and soil amendment during 2009. Counter to expectations, we found that supplemental watering and soil amendments did not influence long-term survival of either blackbrush or jointfir. Shrub species with rapid growth rates and broad environmental tolerances, such as jointfir, make ideal candidates for outplanting, provided that seedlings are protected from herbivores. Re-introduction of species with slow growth rates and narrow environmental tolerances, such as blackbrush, requires careful consideration to optimize pre- and post-planting conditions.


英文关键词Ephedra nevadensis Coleogyne ramosissima rehabilitation restoration transplant
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000343828400008
WOS关键词COLEOGYNE-RAMOSISSIMA ; BLACKBRUSH COLEOGYNE ; COLORADO PLATEAU ; SONORAN-DESERT ; NATIVE PLANTS ; WIND EROSION ; FIRE ; VEGETATION ; SHRUBLAND ; SOILS
WOS类目Environmental Sciences ; Soil Science
WOS研究方向Environmental Sciences & Ecology ; Agriculture
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/2XILL650/185983
作者单位US Geol Survey, Western Ecol Res Ctr, Las Vegas Field Stn, Henderson, NV 89074 USA
推荐引用方式
GB/T 7714
Scoles-Sciulla, Sara J.,DeFalco, Lesley A.,Esque, Todd C.. Contrasting Long-Term Survival of Two Outplanted Mojave Desert Perennials for Post-Fire Revegetation[J]. United States Geological Survey,2015,29(1):110-124.
APA Scoles-Sciulla, Sara J.,DeFalco, Lesley A.,&Esque, Todd C..(2015).Contrasting Long-Term Survival of Two Outplanted Mojave Desert Perennials for Post-Fire Revegetation.ARID LAND RESEARCH AND MANAGEMENT,29(1),110-124.
MLA Scoles-Sciulla, Sara J.,et al."Contrasting Long-Term Survival of Two Outplanted Mojave Desert Perennials for Post-Fire Revegetation".ARID LAND RESEARCH AND MANAGEMENT 29.1(2015):110-124.
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