干旱区生态环境知识资源中心(Arid): Effects of grazing disturbance of spatial distribution pattern and interspecies relationship of two desert shrubs

Arid

DOI	10.1007/s11676-021-01353-5
	Effects of grazing disturbance of spatial distribution pattern and interspecies relationship of two desert shrubs
	Zhang, Lei; Gao, Yong; Li, Jinrong; Zhang, Chao; Li, Minyu; Hu, Zhao; Cui, Xiangxin
通讯作者	Gao, Y (corresponding author), Inner Mongolia Agr Univ, Coll Desert Sci & Engn, Hohhot 010019, Peoples R China. ; Li, JR (corresponding author), Minist Water Resources, Inst Water Resources Pastoral Area, Hohhot 010020, Peoples R China.
来源期刊	JOURNAL OF FORESTRY RESEARCH
ISSN	1007-662X
EISSN	1993-0607
出版年	2021-05
英文摘要	Grazing significantly affects the distribution, growth, and productivity of shrubs. In this study, we evaluated the effects of grazing disturbance on the spatial distribution patterns and interspecific relationships of two desert shrubs, Ammopiptanthus mongolicus and Sarcozygium xanthoxylon. Three types of grazing conditions were considered, including enclosed area (EA), seasonal rotational grazing area (SRGA), and grazing area (GA) (100 m x 100 m), in the West Ordos Nature Reserve of Inner Mongolia, China. The results showed that A. mongolicus and S. xanthoxylon populations were uniformly distributed at a small scale, and the distribution in EA and SRGA became gradually random. In GA, A. mongolicus population showed aggregated distribution but S. xanthoxylon population showed random distribution at a small scale. Moreover, both A. mongolicus and S. xanthoxylon populations at the 5-7 m scale showed random distribution. At the small and intermediate scales, the two species showed positive interspecific relationships of GA. However, no interspecific relationship was noted between the two species in EA and SRGA. A significant positive relationship (P < 0.01) was noted between the two species at 2-9 m and a negative relationship (P < 0.01) at 13-17 m scales in GA. Positive relationship (P < 0.01) was noted between the two species at 6-13 m scales and a significant negative relationship (P < 0.01) at 14-24 m scales in SRGA. The two species of desert shrubs showed positive interspecific relationships at the small scale, and they showed negative relationships as the interspecific competition intensified in the presence of grazing disturbance. When the grazing intensity exceeds a certain threshold, the interspecific relationships become weak. Therefore, moderate grazing would facilitate interspecific competition and species succession, whereas excessive grazing would disrupt natural competition causing desertification ultimately.
英文关键词	Extending point pattern analysis Grazing Interspecific relationships Unmanned aerial vehicle (UAV)
类型	Article ; Early Access
语种	英语
开放获取类型	hybrid
收录类别	SCI-E
WOS记录号	WOS:000654910800001
WOS关键词	POINT PATTERN ; POSITIVE INTERACTIONS ; PLANT-POPULATIONS ; ERDOS
WOS类目	Forestry
WOS研究方向	Forestry
来源机构	北京林业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/352328
作者单位	[Zhang, Lei; Gao, Yong; Zhang, Chao; Cui, Xiangxin] Inner Mongolia Agr Univ, Coll Desert Sci & Engn, Hohhot 010019, Peoples R China; [Li, Jinrong] Minist Water Resources, Inst Water Resources Pastoral Area, Hohhot 010020, Peoples R China; [Li, Minyu] Inst Forestry Monitoring & Planning Inner Mongoli, Hohhot 010020, Peoples R China; [Hu, Zhao] Beijing Forestry Univ, Sch Soil & Water Conservat, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Lei,Gao, Yong,Li, Jinrong,et al. Effects of grazing disturbance of spatial distribution pattern and interspecies relationship of two desert shrubs[J]. 北京林业大学,2021.
APA	Zhang, Lei.,Gao, Yong.,Li, Jinrong.,Zhang, Chao.,Li, Minyu.,...&Cui, Xiangxin.(2021).Effects of grazing disturbance of spatial distribution pattern and interspecies relationship of two desert shrubs.JOURNAL OF FORESTRY RESEARCH.
MLA	Zhang, Lei,et al."Effects of grazing disturbance of spatial distribution pattern and interspecies relationship of two desert shrubs".JOURNAL OF FORESTRY RESEARCH (2021).