Arid
DOI10.1016/j.jhydrol.2016.04.030
Mosaic-pattern vegetation formation and dynamics driven by the water-wind crisscross erosion
Wu Gao-Lin1,2,3; Wang Dong1,2,3,4; Liu Yu1,2,3; Hao Hong-Min1; Fang Nu-Fang1,2,3; Shi Zhi-Hua1,2,3
通讯作者Shi Zhi-Hua
来源期刊JOURNAL OF HYDROLOGY
ISSN0022-1694
EISSN1879-2707
出版年2016
卷号538页码:355-362
英文摘要

Theoretical explanations for vegetation pattern dynamic emphasized on banded pattern-forming systems on the dynamics of the spot pattern. In this context, we explore the patch pattern forming and development in the desertification land. We hypothesized that spatial heterogeneity of microtopography and soil properties with different patch sizes would determine vegetation pattern dynamics theory. The spatial heterogeneity of microtopography and soil properties with different patch sizes were studied. Differences between the inside and outside of the canopy of soil carbon content and soil total nitrogen content were significantly increasing with patches sizes. Sampling location across vegetation patch was the main factor controlling soil properties. Soil nutrient content and saturated hydraulic conductivity were the largest, while bulk density and the coarse sand content were the lowest at the sampling location of half-way between taproot and downslope edge of the canopy. The height of the mound relative to the adjacent soil interspace between shrubs increased as patches diameter increased at the upslope of the taproot. Hydrological and aeolian processes resulted in spatial distributions of soil moisture, nutrition properties, which lead to patch migrated to downslope rather than upslope. A conceptual model was integrated hydrological and nutrient facilitation and competition effects among the plant-soil in mosaic-pattern patch formation and succession process. (C) 2016 Elsevier B.V. All rights reserved.


英文关键词Vegetation patch dynamics Nutrient processes Aeolian process Microtopography
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000378360600030
WOS关键词ARTEMISIA-ORDOSICA ; SOIL ; SHRUB ; DESERT ; PATCHES ; DROUGHT ; ISLANDS ; SURFACE ; BURIAL ; CARBON
WOS类目Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Engineering ; Geology ; Water Resources
来源机构西北农林科技大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/194520
作者单位1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China;
2.Chinese Acad Sci, Inst Soil & Water Conservat, 26 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China;
3.Minist Water Resources, 26 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China;
4.Henan Univ, Coll Life Sci, State Key Lab Cotton Biol, Kaifeng 475004, Henan, Peoples R China
推荐引用方式
GB/T 7714
Wu Gao-Lin,Wang Dong,Liu Yu,et al. Mosaic-pattern vegetation formation and dynamics driven by the water-wind crisscross erosion[J]. 西北农林科技大学,2016,538:355-362.
APA Wu Gao-Lin,Wang Dong,Liu Yu,Hao Hong-Min,Fang Nu-Fang,&Shi Zhi-Hua.(2016).Mosaic-pattern vegetation formation and dynamics driven by the water-wind crisscross erosion.JOURNAL OF HYDROLOGY,538,355-362.
MLA Wu Gao-Lin,et al."Mosaic-pattern vegetation formation and dynamics driven by the water-wind crisscross erosion".JOURNAL OF HYDROLOGY 538(2016):355-362.
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