Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/j.jaridenv.2016.11.013 |
Emergence, survival, and growth of recruits in a desert ecosystem with vegetation-induced dunes (nebkhas): A spatiotemporal analysis | |
Quets, Jan J.1; El-Bana, Magdy I.2; Al-Rowaily, Saud L.3; Assaeed, Abdulaziz M.3; Temmerman, Stijn4; Nijs, Ivan1 | |
通讯作者 | Quets, Jan J. |
来源期刊 | JOURNAL OF ARID ENVIRONMENTS
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ISSN | 0140-1963 |
EISSN | 1095-922X |
出版年 | 2017 |
卷号 | 139页码:1-10 |
英文摘要 | We studied how emergence, survival, and growth of nebkha recruits are spatially affected by prevailing biotic and abiotic ecological drivers in a landscape with vegetation-induced dunes (nebkhas) in Saudi Arabia. Hereto Monte Carlo-based spatiotemporal analyses were performed on four remotely sensed study site maps, including adult nebkhas, recruits and elevation data, acquired over a three-year period. The emergence of new nebkha recruits was found substantially higher in topographic depressions and around adults, which we interpret as being a result of runoff water convergence to depressions and distance-limited seed dispersal from adults. The survival of recruits was also higher nearby nebkhas. However, the growth of already present recruits was suppressed near adult vegetation indicating competition, but unexpectedly increased far away from nebkhas which could be induced by augmented sand burial in these open areas, stimulating the nebkha development and its host plant. Combining the three demographic processes emergence, survival, and growth revealed systematically greater encroachment from nebkha recruits in zones with low vegetation cover, which creates a buffer against local disturbances in nebkha fields. (C) 2016 Elsevier Ltd. All rights reserved. |
英文关键词 | Spatial pattern Null model Recruitment Saudi Arabia Rhazya stricta |
类型 | Article |
语种 | 英语 |
国家 | Belgium ; Egypt ; Saudi Arabia |
收录类别 | SCI-E |
WOS记录号 | WOS:000393629500001 |
WOS关键词 | PHYTOGENIC MOUNDS NEBKHAS ; SPATIAL-PATTERNS ; SAUDI-ARABIA ; SOIL ; FACILITATION ; DISTURBANCE ; COMPETITION ; SHRUB ; SIZE |
WOS类目 | Ecology ; Environmental Sciences |
WOS研究方向 | Environmental Sciences & Ecology |
来源机构 | King Saud University |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/200090 |
作者单位 | 1.Univ Antwerp, Ctr Excellence PLECO Plant & Vegetat Ecol, Dept Biol, Univ Pl 1, BE-2610 Antwerp, Belgium; 2.Port Said Univ, Fac Sci, Dept Bot, Port Said 42521, Egypt; 3.King Saud Univ, Coll Agr, Dept Plant Prod, POB 2460, Riyadh, Saudi Arabia; 4.Univ Antwerp, Dept Biol, Ecosyst Management Res Grp, Univ Pl 1, BE-2610 Antwerp, Belgium |
推荐引用方式 GB/T 7714 | Quets, Jan J.,El-Bana, Magdy I.,Al-Rowaily, Saud L.,et al. Emergence, survival, and growth of recruits in a desert ecosystem with vegetation-induced dunes (nebkhas): A spatiotemporal analysis[J]. King Saud University,2017,139:1-10. |
APA | Quets, Jan J.,El-Bana, Magdy I.,Al-Rowaily, Saud L.,Assaeed, Abdulaziz M.,Temmerman, Stijn,&Nijs, Ivan.(2017).Emergence, survival, and growth of recruits in a desert ecosystem with vegetation-induced dunes (nebkhas): A spatiotemporal analysis.JOURNAL OF ARID ENVIRONMENTS,139,1-10. |
MLA | Quets, Jan J.,et al."Emergence, survival, and growth of recruits in a desert ecosystem with vegetation-induced dunes (nebkhas): A spatiotemporal analysis".JOURNAL OF ARID ENVIRONMENTS 139(2017):1-10. |
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