Arid
DOI10.1002/ece3.1294
Evaluating nurse plants for restoring native woody species to degraded subtropical woodlands
Yelenik, Stephanie G.1; DiManno, Nicole2; D’Antonio, Carla M.3
通讯作者Yelenik, Stephanie G.
来源期刊ECOLOGY AND EVOLUTION
ISSN2045-7758
出版年2015
卷号5期号:2页码:300-313
英文摘要

Harsh habitats dominated by invasive species are difficult to restore. Invasive grasses in arid environments slow succession toward more desired composition, yet grass removal exacerbates high light and temperature, making the use of nurse plants an appealing strategy. In this study of degraded subtropical woodlands dominated by alien grasses in Hawai’i, we evaluated whether individuals of two native (Dodonaea viscosa, Leptocophylla tameiameia) and one non-native (Morella faya) woody species (1) act as natural nodes of recruitment for native woody species and (2) can be used to enhance survivorship of outplanted native woody species. To address these questions, we quantified the presence and persistence of seedlings naturally recruiting beneath adult nurse shrubs and compared survival and growth of experimentally outplanted seedlings of seven native woody species under the nurse species compared to intact and cleared alien-grass plots. We found that the two native nurse shrubs recruit their own offspring, but do not act as establishment nodes for other species. Morella faya recruited even fewer seedlings than native shrubs. Thus, outplanting will be necessary to increase abundance and diversity of native woody species. Outplant survival was the highest under shrubs compared to away from them with few differences between nurse species. The worst habitat for native seedling survival and growth was within the unmanaged invasive grass matrix. Although the two native nurse species did not differentially affect outplant survival, D.viscosa is the most widespread and easily propagated and is thus more likely to be useful as an initial nurse species. The outplanted species showed variable responses to nurse habitats that we attribute to resource requirements resulting from their typical successional stage and nitrogen fixation capability.


英文关键词competition Dodonaea viscosa dry subtropical Metrosideros woodland facilitation invasive grasses Leptocophylla tameiaeia Morella faya restoration seedling recruitment succession
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000348853300006
WOS关键词HAWAIIAN DRY FOREST ; SEASONAL SUBMONTANE ZONE ; ALIEN GRASS INVASION ; NORTHERN AUSTRALIA ; NITROGEN-FIXATION ; RESTORATION ; FACILITATION ; COMMUNITIES ; COMPETITION ; FIRE
WOS类目Ecology ; Evolutionary Biology
WOS研究方向Environmental Sciences & Ecology ; Evolutionary Biology
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/2XILL650/186829
作者单位1.US Geol Survey, Pacific Isl Ecosyst Res Ctr, Hawaii Natl Pk, HI 96718 USA;
2.Univ Hawaii, Hawaii Cooperat Studies Unit, Hilo, HI 96720 USA;
3.Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA
推荐引用方式
GB/T 7714
Yelenik, Stephanie G.,DiManno, Nicole,D’Antonio, Carla M.. Evaluating nurse plants for restoring native woody species to degraded subtropical woodlands[J]. United States Geological Survey,2015,5(2):300-313.
APA Yelenik, Stephanie G.,DiManno, Nicole,&D’Antonio, Carla M..(2015).Evaluating nurse plants for restoring native woody species to degraded subtropical woodlands.ECOLOGY AND EVOLUTION,5(2),300-313.
MLA Yelenik, Stephanie G.,et al."Evaluating nurse plants for restoring native woody species to degraded subtropical woodlands".ECOLOGY AND EVOLUTION 5.2(2015):300-313.
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