Renew and reconstruction technique of low-function forest for conservation of headwaters

A water conservation and functional technology, applied in forestry, instruments, data processing applications, etc., can solve the problems of low forest protection benefits, low sustainable management, lack of means to establish sustainable management index systems, etc., to improve protection Benefits and sustainability effects

Inactive Publication Date: 2009-05-20
BEIJING FORESTRY UNIVERSITY
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Problems solved by technology

[0003] In the existing technology, there is no effective means of establishing an index system for evaluating...

Method used

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  • Renew and reconstruction technique of low-function forest for conservation of headwaters
  • Renew and reconstruction technique of low-function forest for conservation of headwaters
  • Renew and reconstruction technique of low-function forest for conservation of headwaters

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specific Embodiment approach

[0060] 1. Target forest types for low-quality and low-efficiency forest transformation:

[0061] The purpose of low-quality and low-efficiency forest transformation is to achieve a stand with obvious layers and complete forest appearance. This kind of stand is rich in understory shrubs, herbs and ground cover, so that the soil structure can be further improved. species diversity can be further enriched. The target forest for management should have the following advantages: first, it forms a multi-layered stand structure, which blocks the impact of precipitation on the soil and plays a role in the distribution of precipitation; second, the three layers of trees, shrubs and grasses should have higher The canopy density or coverage of the tree layer should be above 0.5, while the shrub layer and herb layer should also be above 0.4; and these three layers form a well-developed root system network in each layer of the soil to consolidate the soil and improve the soil; the third is ...

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Abstract

The invention discloses a technique for renewing and transforming low-function water conservation forest. The technique establishes a hierarchical structure model comprising a target layer, a strategy layer, a measure layer and a sub-measure layer by applying a analytic hierarchy process, structures judgment matrixes, and finally transforms the low-function water conservation forest into mixed forest which is clear in the levels of trees, shrubs and grass, various in species and thick in ground cover through calculation and adjustment. The technique can give full play to three main benefits of the forest, allows the forest to tend to have a stable healthy stand structure, can fully utilize natural laws and natural force to reduce blindness and meaningless funds consumption in forest management, guarantees the area constancy of the forest and continuous utilization principle, realizes biological diversity and ecological stability, and obtains high economic benefit and obvious ecological benefit.

Description

technical field [0001] The invention relates to a water source conservation forest management technology in forestry science, in particular to a technology for updating and reforming a low-function water source conservation forest. Background technique [0002] Sustainable forest management is a relative state in a certain time and space, and its relativity is manifested in stages and regions of development. Correspondingly, the index system for evaluating sustainable forest management also has time dynamics and regional hierarchies. Sustainable forest management is determined by dominant factors. In the design of the index system, ecological vulnerability must be considered. The indicators of ecological importance and ecological importance should not only represent the state and trend of forest management, but also ensure strong operability, decision-making and regulation. Only under the premise of achieving sustainable economic development, sustainable utilization of reso...

Claims

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Application Information

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IPC IPC(8): A01G23/00G06Q90/00G06Q50/00
Inventor 余新晓焦一之王雄宾陈丽华牛健植张振明朱建刚刘淑燕
Owner BEIJING FORESTRY UNIVERSITY
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