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Multi-objective Management Planning About Carbon Storage In Larix Gmelinii Natural Forest In Great Xing’ An Mountains

Posted on:2015-02-27Degree:MasterType:Thesis
Country:ChinaCandidate:Y LiFull Text:PDF
GTID:2283330434451068Subject:Forest management
Abstract/Summary:PDF Full Text Request
The multi-objective forest management of the forest planning for sustainable development plays an important role. With the increasing influence of global climate change, how to meet their carbon sequestration of forest management objectives becomes an important issue, has also been an increasing number of people’s attention. However, the forest ecosystem is a combination of a variety of benefits and a variety of target complex system, such as water and soil conservation, biodiversity conservation, tourism and leisure, and other functions into one, we can not pursue the single goal of natural forest and, therefore, of forest resources in forest ecosystem management needs to consider more targets, give full play to the multiple functions of forests and multiple benefits. To achieve multiple goals in the forest ecosystem, we need to coordinate the objectives so that each target reaches features of optimal, so as to give full play to the ecological, economic and social benefits of forests.In this research, Taking the inventory data of Pangu Forest Farm in Great Xing’an Mountains region, Northeast China,2008and the standard investigation data set in2011, and90strain analysis of survey data as an example, we used timber harvest, carbon storage on the ground and spatial structure as the multi-objective forest management of the forest planning target, selective cutting for business means, non-spatial structure as a major constraint, uses the size structure analysis method, with structure of forest tree diameter class size instead of the traditional age structure, area structure, selective planning in size order, and application of the model to real stands. To D1-10standard for application, Under the constraint condition, the multi-objective programming model is solved by genetic algorithm, we controlled22strains of cutting wood effectively and accurately. The timber harvest was3.7157m3. Aboveground carbon storage of forest stand increased0.089tons. At the same time, the spatial structure comprehensive target value increased from1.3785to2.3744, increases up49.5876%, The multi-objective forest management of the forest planning scheme made the whole of the forest stand spatial structure greatly improvement and it is an optimal solution. Therefore, this multi-objective forest management of the forest planning can provide a reliable basis for Long-term implementation of timber production, increase forest carbon reserves and maximum keep the integrity of the forest spatial structure.This research established three targets in the multi-objective programming model:space structure comprehensive target, wood production targets and carbon storage on the ground, we solved the planning in the studied area, adjusted the structure of forest, timber production, improve the ecological environment. To promote the sustainable development of forest has an important significance.
Keywords/Search Tags:timber production, stand spatial structure, carbon storage, multi-objectiveprogramming, genetic algorithm
PDF Full Text Request
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