Analysis and Evaluation on Forest Management Effectiveness of Chaihe Forestry Bureau in Inner Mongolia

doi:10.13466/j.cnki.lyzygl.2018.01.023

Abstract

Abstract:

The Institute of Forest Monitoring and Planning of Inner Mongolia Autonomous Region undertook the forest resource survey of Chaihe forestry bureau in 2016.After comparison and analysis of the data in two different periods of time,we found that Chaihe Forestry Bureau did not follow the management program planning when carrying out forest management activities.The composite score,which indicated implementation effects of forest management plan in the last management period,was 70.8 points.According to the achievements,existing problems and potentials in the period of managment,the corresponding countermeasures and suggestions were put forward.

Key words: Chaihe Forestry Bureau, forest management, analysis of effects, comprehensive assessment, countermeasure

CLC Number:

S757

DUAN He. Analysis and Evaluation on Forest Management Effectiveness of Chaihe Forestry Bureau in Inner Mongolia[J]. FOREST RESOURCES WANAGEMENT, 2018, (1): 159-164.

Figures/Tables 2

Tab.1

Tab.2

Evalution on the implementation effect of forest management

评价指标			指标评定方法	实施结果	评价结果
生态综合评价指数	森林生态系统保护指数	森林覆盖率	森林面积/土地总面积	74.70%	好
		生态公益林面积比	公益林面积/林业用地面积	82.90%	好
		生态系统多样性指数	H=-log(∑ $P i 2$ )	0.54	中
	森林经营水平指数	林地利用率	(乔木林+灌木林地)/林地总面积	77.64%	中
		年龄结构指数	(∑P_aiLnP_ai)/Ln(1/n)	0.83	好
		单位面积蓄积	森林蓄积量/林地面积	103	好
		人工林造林保存率	三年后保存株数 /设计株数	91%	好
		乔木林地单位面积生长量	乔木林林木年生长量/乔木林地总面积	1.8	好
		年森林消长比率	年森林消耗量/年森林生长量	15.30%	差
	森林健康指数	森林火灾年均发生率	森林火灾年均受害面积/林地总面积	1.3‰	差
		森林病虫鼠害年均发生率	森林病虫鼠害年均发生面积/森林面积	2.20%	差
		树种结构	用乔木林面积占现有林地面积比	95.90%	好
		林种结构	1-∑(现有各林种与规划后面积比)	100%	好
	经济综合评价指数	经济结构指数	产业结构指数	三产业产值/第一、二、三产业产值	39.30%	差
		经济结构指数	经济成分多元化指数	∑(多经现状值/合理经营未来估计值)	71.40%	好
经济增长指数		职工家庭人均年收入增长率	本年与上年差额/上年家庭人均年收入	8.80%	好
经济增长指数		恩格尔系数	家庭人均食品消费/总消费	0.5	中
社会综合评价指数		社会效益指数	社会就业贡献指数	(职工人数+提供就业机会)/职工人数	1	中
	人均森林面积	社会效益指数	林地总面积/林业局人口总量	211.8	好
	社会进步指数	平均受教育程度	∑ a_in_i	11.1	中
	社会进步指数	经营单位科技水平	中级以上职称人员数量/全局人员总量	29.30%	差
	社会影响指数	林权证实施的情况	林权证实施情况/林权证应落实的情况	1	好
	社会影响指数	森林生态效益补偿落实情况	效益实际实施情况/效益应落实的情况	6	中
	经营管理考核指标	森林经营方案实施程度		差	差
		森林经营管理制度		较齐全	中
		作业小班现地核实合格率	作业小班现地核实合格数/作业小班数	85.30%	中
		小班经营档案更新可信度		可信	好

Tab.2

项目		方案规划	实际完成	差值
人工造林	面积	2520.0	1693.0	-827
补植补造	面积	418.0	1581.0	1163
人工促进天然更新	面积	976.0	30.0	-946
抚育伐	面积	38288	1438.2	-36849.8
抚育伐	蓄积	831490	27821	-803669
枯倒木采伐	蓄积	60086	0	-60086
主伐	面积	32.0	93.7	61.7
主伐	蓄积	1430	3283	1853
更新采伐	面积	711.0	0	-711
更新采伐	蓄积	34380	0	-34380

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