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Why does oriental arborvitae grow better when mixed with black locust: Insight on nutrient cycling?

文献类型：期刊论文

作者Zhang, Xinlu3; Chen, Xuedong1,2; Tang, Ming3; Hamel, Chantal4; Li, Wei3; Sheng, Min2,3; Sheng, M (reprint author), Northwest A&F Univ, Coll Forestry, Yangling, Shaanxi, Peoples R China.
刊名ECOLOGY AND EVOLUTION
出版日期2018
卷号8期号:1页码:744-754
ISSN号2045-7758
关键词Arbuscular Mycorrhizal Fungi Mixture Platycladus Orientalis Robinia Pseudoacacia Soil Properties
DOI10.1002/ece3.3578
文献子类Article
英文摘要To identify why tree growth differs by afforestation type is a matter of prime concern in forestry. A study was conducted to determine why oriental arborvitae (Platycladus orientalis) grows better in the presence of black locust (Robinia pseudoacacia) than in monoculture. Different types of stands (i.e., monocultures and mixture of black locust and oriental arborvitae, and native grassland as a control) were selected in the Loess Plateau, China. The height and diameter at breast height of each tree species were measured, and soil, shoot, and root samples were sampled. The arbuscular mycorrhizal (AM) attributes, shoot and root nutrient status, height and diameter of black locust were not influenced by the presence of oriental arborvitae. For oriental arborvitae, however, growing in mixture increased height and diameter and reduced shoot Mn, Ca, and Mg contents, AM fungal spore density, and colonization rate. Major changes in soil properties also occurred, primarily in soil water, NO3-N, and available K levels and in soil enzyme activity. The increase in soil water, N, and K availability in the presence of black locust stimulated oriental arborvitae growth, and black locust in the mixed stand seems to suppress the development of AM symbiosis in oriental arborvitae roots, especially the production of AM fungal spores and vesicles, through improving soil water and N levels, thus freeing up carbon to fuel plant growth. Overall, the presence of black locust favored oriental arborvitae growth directly by improving soil water and fertility and indirectly by repressing AM symbiosis in oriental arborvitae roots.
学科主题Ecology ; Evolutionary Biology
出版地111 RIVER ST, HOBOKEN 07030-5774, NJ USA
语种英语
出版者WILEY
WOS记录号WOS:000419483200065
源URL[http://ir.iswc.ac.cn/handle/361005/7860]  
专题水保所科研产出--SCI_2018--SCI
通讯作者Sheng, M (reprint author), Northwest A&F Univ, Coll Forestry, Yangling, Shaanxi, Peoples R China.
作者单位1.Northwest A&F Univ, Coll Life Sci, Yangling, Shaanxi, Peoples R China
2.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling, Shaanxi, Peoples R China
3.Northwest A&F Univ, Coll Forestry, Yangling, Shaanxi, Peoples R China
4.Agr & Agri Food Canada, Quebec Res & Dev Ctr, Quebec City, PQ, Canada
推荐引用方式
GB/T 7714		 Zhang, Xinlu,Chen, Xuedong,Tang, Ming,et al. Why does oriental arborvitae grow better when mixed with black locust: Insight on nutrient cycling?[J]. ECOLOGY AND EVOLUTION,2018,8(1):744-754.
APA Zhang, Xinlu.,Chen, Xuedong.,Tang, Ming.,Hamel, Chantal.,Li, Wei.,...&Sheng, M .(2018).Why does oriental arborvitae grow better when mixed with black locust: Insight on nutrient cycling?.ECOLOGY AND EVOLUTION,8(1),744-754.
MLA Zhang, Xinlu,et al."Why does oriental arborvitae grow better when mixed with black locust: Insight on nutrient cycling?".ECOLOGY AND EVOLUTION 8.1(2018):744-754.

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来源：水土保持研究所

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