Ecological water-saving technology for optimizing vegetation-soil-water area pattern

Abstract

The invention belongs to the fields of environmental science and restoration ecology, and particularly relates to ecological water-saving technology and methods for optimizing a vegetation-soil-water area pattern. By using the vegetation coverage and biomass of the current situation as background, according to the local prevailing wind direction, the pattern optimization of vegetation-soil-water area is realized by adjusting the vegetation-soil-water area distribution pattern of a target area into centralized distribution, scattered distribution, strip distribution, annular distribution and even distribution. By adjusting the ratio of vegetation transpiration to water area-soil evaporation, the reduction of the whole evaporation-transpiration water consumption is realized so as to achievethe aim of ecological water conservation. Different implementing modes of the ecological water-saving technology can be selected according to different water resource conditions, water-saving targets, vegetation characteristics and expense conditions. The invention overcomes the stereotype of the prior water-saving technology starting from irrigation, effectively solves the ecological water-saving technology of a vegetation community system in the natural ecosystem under the premise that the water supply cannot be regulated and controlled by people, and radically realizes economy and efficient utilization of water resources.

Description

Technical field [0001] The invention belongs to the field of environmental science and restoration ecology, and in particular relates to an ecological water-saving technology and method optimized for the pattern of aquatic plants-soil-water area. It can realize the regulation of the water consumption of the vegetation community under the premise that the water supply conditions cannot be controlled artificially under natural conditions. Background technique [0002] The northern part of my country is arid and semi-arid. In recent years, the contradiction between the protection of the regional ecological environment and the development of the regional economy has become increasingly acute. On the one hand, the lack of water resources has increasingly become an important factor restricting my country's economic and social development. The national water shortage in normal years is about 40 billion m 3 , The reduction of the total amount of available water resources makes the confl...

AI Technical Summary

Problems solved by technology

CN1409958 discloses a normal-pressure water-saving irrigation system, which improves the water utilization rate by using multi-empty pipelines, and overcomes the problem of uneven irrigation water

[0004] Existing water-saving methods and technologies are all based on irrigation management, that is, starting from limiting and optimizing the water supply of vegetation

However, the water supply conditions of ecosystems under natural conditions cannot be controlled artificially. Water-saving technologies and methods based on irrigation water supply have obvious application blind spots in natural ecosystems. Existing agricultural water-saving technologies are difficult to apply to ecological water-saving

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