Application of Forest Simulation Optimization System(FSOS) in the Preparation of Innovative Forest Management and Restoration Plan

doi:10.13466/j.cnki.lyzygl.2022.S0.016

Abstract

Abstract:

In this study,the forest functional areas of Huangtuliangzi forest farm were divided based on the concept of landscape watershed.The logging tasks of different forest types were optimized by using forest simulation optimization system(FSOS) and simulated annealing algorithm.The results showed that the forest functional area of Huangtuliangzi forest farm was divided into soil and water conservation forest functional restoration area,forest park recreational forest area and germplasm resource cultivation area,in which the proportion of soil and water conservation forest functional restoration area was the highest,reaching 95.0%;The main forest types are divided into five types:artificial single-layer Pinus tabulaeformis water conservation forest,Robiniapseudoacacia sprouting water conservation forest,artificial Larix gmelinii and Pinus tabulaeformis mixed water conservation forest,artificial larch water conservation forest,and artificial broad-leaved mixed water conservation forest.The proportion of artificial single-layer Pinus tabulaeformis water conservation forest was the highest,reaching 34.1%,and the proportion of artificial broad-leaved mixed water conservation forest was the lowest,only 0.2%.The annual logging volume optimization results of artificial single-layer Pinus tabulaeformis water conservation forest,Robiniapseudoacacia sprouting water conservation forest,artificial Larix gmelinii and Pinus tabulaeformis mixed water conservation forest,artificial larch water conservation forest and artificial broad-leaved mixed water conservation forest were 3 500 m³,1 200 m³,600 m³,1 000 m³ and 100 m³,respectively.If the logging tasks optimized by FSOS system were strictly followed,the above forest types could achieve sustainable harvest in the next 60 years.The optimization results of five different forest types showed that FSOS system could effectively adapt to complex stand structure,predict stand growth,combine short-term tasks with long-term objectives,and comply with the concept of Innovative Forest Management and Restoration Plan scheme.

Key words: landscape pattern, sustainable management, tending, simulated annealing

CLC Number:

WU Liqin, LIU Guoliang, LIU Qiang, HUANG Xuanrui. Application of Forest Simulation Optimization System(FSOS) in the Preparation of Innovative Forest Management and Restoration Plan[J]. FOREST RESOURCES WANAGEMENT, 2022, 0(zk1): 109-116.

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森林经营类型	更新采伐量/(m³/a)
人工单层油松水保林	400~500
刺槐萌生水保林	200~350
人工落叶松水保林	300~400
人工阔叶混交林	50~150

森林经营类型	抚育采伐量/(m³/a)
人工单层油松水保林	3000~4000
刺槐萌生水保林	1000~2000
人工落叶松油松混交水保林	500~ 600
人工落叶松水保林	700~ 850
人工阔叶混交水保林	50~ 100

树种	2020年蓄积/m³	平均生长率/%	年平均蓄积生长量/m³
华北落叶松Larix principis-rupprechtii	136098.9	2.6	3598.5
刺槐Robiniapseudoacacia	54642.6	1.6	916.9
油松Pinus tabuliformis	403646.1	3.1	12618.0
其它	2078.9	3.0	64.0
合计	596466.5	2.5	17197.4