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[1]LIANG Wanru,NING Libo,DOU Jingtao,et al.Study on Plant Survival Regions in Tanghe River Basin[J].Research of Soil and Water Conservation,2023,30(01):312-318,326.[doi:10.13869/j.cnki.rswc.2023.01.014]

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Study on Plant Survival Regions in Tanghe River Basin

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 30 Number of periods: 2023 01 Page number: 312-318,326 Column: Public date: 2023-01-10

Title:: Study on Plant Survival Regions in Tanghe River Basin

Author(s):: LIANG Wanru¹, NING Libo¹, DOU Jingtao^2,3, GUO Yujuan², ZHANG Dongdong^2,3, LI Ang¹; (1.School of Environmental Studies, China University of Geoscience, Wuhan 430074, China; 2.Natural Resources Monitoring and Land Consolidation Institute in Henan Province, Zhengzhou 450053, China; 3.Key Laboratory of Geological Environmental Protection in Henan, Zhengzhou 450016, China)

Keywords:: survival regions; dominant species; Tanghe River Basin

CLC:: S154.4

DOI:: 10.13869/j.cnki.rswc.2023.01.014

Abstract:: Exploring the plant survival regions in Tanghe River Basin can provide scientific basis for below-ground habitat reconstruction technology in the ecological restoration of the basin. Perennial plants were selected as the research objects, and ecological factors such as soil moisture, salinity, organic matter, nitrogen, phosphorus and potassium were taken as limiting factors to study dominant species survival regions figures, and to clarify the suitable factor space of the dominant species in the basin. The results showed that:(1)the range of Populus L. survival region contained Broussonetia papyrifera and Broussonetia papyrifera contained Melia azedarach L., Populus L. was the most dominant species with the highest dominance, and widely distributed in the study area, while the distribution of Broussonetia papyrifera and Melia azedarach L. were relatively limited and highly clustered; the survival domain range of Vitex negundo L. and Ziziphus jujuba showed that the relationship of intersecting. Vitex negundo L. was susceptible to water stress, which was the main reason why Vitex negundo L. was mainly distributed in poor soil habitats and Ziziphus jujuba distributed more widely;(2)the suitable range of the survival domain for the symbiosis of Populus L., Broussonetia papyrifera and Melia azedarach L. was 0.53%～13.73% of the variation in water content, 0.24～0.85 g/kg of the variation in salt content, 1.63 ～5.94 g/kg of the variation in organic matter content and 0.38～1.25 of the variation in combined soil NPK index; the suitable range of the survival domain for the symbiosis of Vitex negundo L. and Ziziphus jujuba was 8.64%～15.80% of the variation in water content, 0.21～0.77 g/kg of the variation in salt content, 3.83～17.08 g/kg of the variation in organic matter content and 0.51～2.43 of the variation in combined soil NPK index. In conclusion, these research results could provide support for improving the water and fertility conditions in the underground habitat and increasing the diversity of plant community species.

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Last Update: 2023-01-10