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Pine forest health assessment method based on indexes of damage by Monochamus alternatus

A technology for evaluating the health of Monochamus alternatus, applied in the fields of forest protection, forest management and forest ecosystem health, it can solve problems such as quantitative diagnosis and evaluation of forest health by insects that cannot be bored, and achieves wide applicability and wide geographical range Effect

Active Publication Date: 2012-07-18
THE RES INST OF RESOURCES INSECTS RIRI OF THE CHINESE ACADEMY OF FORESTRY
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Problems solved by technology

[0004] In order to solve the problem in the prior art that the borer insects cannot be used as indicator species to quantitatively diagnose and evaluate forest health, the invention provides a method for evaluating the health of pine forests based on the damage index of Monochamus alternatus, and its technical scheme is as follows:

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  • Pine forest health assessment method based on indexes of damage by Monochamus alternatus
  • Pine forest health assessment method based on indexes of damage by Monochamus alternatus
  • Pine forest health assessment method based on indexes of damage by Monochamus alternatus

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Embodiment Construction

[0046] The method of the present invention will be further described below in conjunction with the embodiments and accompanying drawings.

[0047] The implementation of the present invention includes two steps: one is to establish a forest health evaluation model suitable for a certain type of forest, and to revise the model in conjunction with the growth and physiological indicators of the forest; the other is to apply the evaluation model to the same type of forest health assessment. The specific implementation steps are:

[0048] 1. Establishment of forest health evaluation model:

[0049] A representative pine forest stand was selected for investigation, and a forest health evaluation model suitable for this stand type was established.

[0050] (1) Investigation of damage indicators of Monochamus alternatus: Set up sample plots according to conventional survey methods, choose 1-2 methods from the following dry insect investigation methods, and investigate the damage indi...

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Abstract

A pine forest health assessment method based on indexes of damage by Monochamus alternatus belongs to the fields of forest conservation, forest management and forest ecological system health, and includes the steps: firstly, selecting a sample land; secondly, investigating the indexes of damage by Monochamus alternatus within the land; thirdly, investigating health index of pine forest stands within the land; fourthly, building a regression model about the indexes of damage by Monochamus alternatus and health index of the pine forest; and fifthly, applying a pine forest health assessment model. By the pine forest health assessment method, the quantitative health index of pine forest stands is established, health conditions of similar forest stands can be conveniently and quickly assessed with the built regression model, operability is high, and accuracy and reliability of assessment results are high.

Description

technical field [0001] The invention belongs to the fields of forest protection, forest management and forest ecosystem health, and in particular relates to a method for evaluating the health of a forest type in which pine plants are dominant tree species. Background technique [0002] Forest health diagnosis and assessment is an emerging hot field in the world's forestry research and development since the 1990s. The strategic needs of harmonious and sustainable development. The techniques and methods of forest health assessment have been studied by predecessors, but how to judge forest health and take measures to protect forests in advance, instead of adopting emergency plans after a large number of pests and diseases occur, is a major research topic for forest protection , especially early diagnosis of forest health is still a worldwide key technology and difficult problem. Most of the existing studies use the comprehensive index evaluation method to evaluate forest heal...

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Application Information

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IPC IPC(8): A01G7/00A01M1/02
Inventor 王健敏陈晓鸣杨子祥刘娟
Owner THE RES INST OF RESOURCES INSECTS RIRI OF THE CHINESE ACADEMY OF FORESTRY
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