Ecological causality between vegetation construction and habitat drought in arid areas

doi:10.13287/j.1001-9332.202306.002

Abstract

Abstract: The core of scientific greening in arid areas is ‘greening based on water’. One of its preconditions is the potential causal relationship between vegetation construction and habitat drought. However, the causal relationship between factors or processes in ecology is generally difficult to accurately define and describe, especially for complex ecosystems. To scientifically carry out ‘greening based on water’, it is necessary to clarify the relationship between vegetation construction and hydrological cycle in drylands, and clarify the basis and conditions for habitat drought. Taking the construction of scientific greening pilot demonstration province in Ningxia as an example, we started with the theoretical connotation and application model of ecological causality of ‘greening based on water’, and empirically analyzed the causal relationship between vegetation construction and habitat drought at the regional, landscape, and ecosystem scale, respectively. The contradictions and problems in relevant understanding and practice were pointed out, and the principles and suggestions of scientific practice of ‘greening based on water’ were put forward.

Key words: scientific greening, vegetation construction, habitat drought, ecological causality, desert steppe

YANG Xinguo, SONG Naiping, CHEN Lin, WANG Lei. Ecological causality between vegetation construction and habitat drought in arid areas[J]. Chinese Journal of Applied Ecology, 2023, 34(6): 1713-1720.

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