干旱区生态环境知识资源中心(Arid): 乌海市几种蒺藜科灌木与土壤养分空间格局关系

Arid

	乌海市几种蒺藜科灌木与土壤养分空间格局关系
其他题名	Relationship of spatial pattern between different Zygophyllaceae shrubs and soil nutrients around Wuhai city
	谭锦; 杨建英; 侯健; 胡平
来源期刊	中国水土保持科学
ISSN	2096-2673
出版年	2019
卷号	17 期号:4 页码:93-103
中文摘要	植被与土壤的空间格局关系可以为植被恢复和土壤管理提供重要信息,对乌海市周边地区的蒺藜科灌木与土壤养分分布格局关系进行研究,可为该地区生态恢复的植物选择和研究工作提供参考。在乌海市周边的黄河两侧找到9种以蒺藜科灌木为优势种的植被群,在5 m * 5 m的样方中建立坐标系,记录每株灌木的具体坐标值,并以100 cm为间隔从坐标原点开始沿4个方向采集土样,测定土样中全氮全磷和有机质的质量分数,最后采用集成地统计学、点格局分析和空间比较的IGPS法进行统计分析。结果表明: 1)土壤全氮与蒺藜科灌木均无关联; 2)土壤全磷在四合木灌丛下形成小斑块,离黄河最近的白刺+霸王+锦鸡儿样方中的蒺藜科灌木均为每2.5株聚集1个全磷斑块; 3)每1个土壤有机质斑块受乌海北部的1.5株四合木或南部的2株白刺的影响,乌海北部霸王灌丛下存在土壤有机质斑块。采用IGPS方法将乌海市周边地区蒺藜科灌木与土壤养分的空间格局关系量化,一定程度揭示了灌木的根冠范围;植被恢复中可以考虑采用四合木聚集全磷,采用四合木、霸王或白刺聚集有机质。
英文摘要	[Background]Plants have a very important influence on soil resources and soil availability. It is very necessary to deeply understand the relationship between soil resources and plants and to determine their ecological functions in the ecosystem. Because of the bad climate and environment in Wuhai city in the arid area of western Inner Mongolia,the water and vegetation in this area are scarce. Therefore,it is necessary to deeply understand the relationship between plants and soil resources in this area,in order to provide a theoretical basis for future soil management and scientific research. [Methods] Nine vegetation communities including Zygophyllaceae shrubs around Wuhai city were found,they were community 1 Nitraria tangutorum + Artemisia desertorum,community 2 Tetraena mongolica,community 3 N. tangutorum + Sarcozygium xanthoxylon + Caragana sinica,community 4 S. xanthoxylon,community 5 N. tangutorum,community 6 T. mongolica + Reaumuria songarica + Salsola passerine,community 7 S. xanthoxylon + Caragana stenophylla,community 8 T. mongolica + Reaumuria songarica,and community 9 N. tangutorum + R. songarica + S. passerina. Three shrub plots were set up in each community to investigate the growth and distribution of shrubs. One of the most statistically significant plot was selected to establish the coordination system. Soil samples were collected at intervals of 1 m,and the contents of total nitrogen,total phosphorus and organic matter were determined. Finally,the IGPS( Integration of geostatistics) method combined with semi-variance model and point pattern model was used to analyze the relationship between soil nutrients and plants based on the distribution. [Results] 1 ) The results of semi-variance model and point pattern analysis were compared,and which showed that there was no correlation between total nitrogen and Zygophyllaceae shrubs. The aggregation scale between T. mongolica and total phosphorus( TP) was larger than the patch size of TP in the community 2 and 8,while there were no correlations between T. mongolica and total phosphorus in the community 2 and 6,and they were randomly distributed. N. tangutorum and S. xanthoxylon only showed an aggregation relationship with total phosphorus in community 3. The total phosphorus patch was affected by 2.5 N. tangutorum and 2.5 S. xanthoxylon plants. 2) There were organic matter patches larger than the research scale in the community 3,but they didn't correlate with Zygophyllaceae shrubs. The aggregation scale between S. xanthoxylon and organic matter was larger than the patch size of organic matter in the community 4,thus there were organic matter patches under the S. xanthoxylon canopy. The organic matter patches were all affected by many Tetraena mongolica in the community 2 and the N. tangutorum in the community 3,and the number of plants was 1.5 and 2. [Conclusions]IGPS method was used to quantify the spatial pattern relationship between Zygophyllaceae shrubs and soil nutrients in the surrounding areas of Wuhai city,and the result reveals the range of root or crown of the shrubs to a certain extent. In vegetation restoration,T. mongolica can be used to aggregate total phosphorus,and T. mongolica,S. xanthoxylon or N. tangutorum can be used to aggregate soil organic matter.
中文关键词	荒漠化防治 ; IGPS方法 ; 空间格局 ; 蒺藜科灌木 ; 土壤养分
英文关键词	desertification combating IGPS spatial pattern Zygophyllaceae shrubs soil nutrients
语种	中文
收录类别	CSCD
WOS类目	AGRICULTURE MULTIDISCIPLINARY
WOS研究方向	Agriculture
CSCD记录号	CSCD:6565339
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/2XILL650/316333
作者单位	北京林业大学水土保持学院, 北京 100083, 中国
推荐引用方式 GB/T 7714	谭锦,杨建英,侯健,等. 乌海市几种蒺藜科灌木与土壤养分空间格局关系[J]. 北京林业大学,2019,17(4):93-103.
APA	谭锦,杨建英,侯健,&胡平.(2019).乌海市几种蒺藜科灌木与土壤养分空间格局关系.中国水土保持科学,17(4),93-103.
MLA	谭锦,et al."乌海市几种蒺藜科灌木与土壤养分空间格局关系".中国水土保持科学 17.4(2019):93-103.