Target Tree Tending Optimal Management of Ecological Landscape Forest Coupled with the Scenic Beauty Estimation

doi:10.13466/j.cnki.lyzygl.2017.06.017

Abstract

Abstract:

The Jinsiwan Forest Park in Fujian Sanming is taken as the object and 8 sample plots are set up.In addition stand structure index and landscape factor before optimizing the management are taken as the variables,then the multiple linear regression model is built,a further target tree tending optimal management of ecological landscape forest is set up coupled with the scenic beauty estimation and implemented at the same time.Meanwhile,this paper discusses the effect of this method on the characteristics of the stand structure community,the stand structure and the aesthetic quality of the ecological landscape forest.And the results showed that compared with the data before adjustment,the mingling intensity,angular scale and size ratio of the stand structure were 1.699%,2.083% and 0.800% respectively;The Margalef richness index,Simpson diversity index and Pielou evenness index had increased and the growth rate was 4.508%,2.841% and 3.030% respectively. The optimized scenic beauty of the stand structure has been greatly improved,the increased rate is 90.788%. Based on the target tree management strategy,the adjustment technique of stand structure of landscape forest can satisfy the ecological requirement of ecological regional function,which makes the stand structure be further optimized,the species diversity be increased,and landscaping value of the forest resources be improved.Target tree tending optimal management of ecological landscape forest coupled with the scenic beauty estimation provides a feasible method for forest stand optimization of ecological scenic forest.

Key words: target tree tending, ecological landscape forest, optimal management strategy, scenic beauty estimation

CLC Number:

S759.5

AI Jingwen, LIU Jian, YU Kunyong, ZHANG Jinzhao, ZHAO Qiuyue, SHANGGUAN Shayi. Target Tree Tending Optimal Management of Ecological Landscape Forest Coupled with the Scenic Beauty Estimation[J]. FOREST RESOURCES WANAGEMENT, 2017, (6): 94-102.

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References 23

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标准地号	林分密度 /(株/hm²)	平均胸径 /cm	平均树高 /m	Margalef 丰富度指数	Simpson 多样性指数	Pielou 均匀度指数	混交度M	角尺度W	大小比U
1	1724.138	15.271	14.116	1.262	0.640	0.732	0.600	0.542	0.520
2	1814.093	15.130	12.613	1.660	0.677	0.748	0.620	0.555	0.520
3	824.588	19.926	15.274	0.514	0.479	0.575	0.260	0.582	0.470
4	1034.483	21.262	17.117	0.945	0.512	0.585	0.420	0.638	0.520
5	1274.363	13.949	15.449	1.576	0.628	0.690	0.610	0.561	0.500
6	914.543	26.750	18.024	1.460	0.293	0.330	0.300	0.563	0.490
7	1589.205	15.073	12.550	1.930	0.588	0.646	0.500	0.564	0.490
8	869.565	19.985	13.623	1.478	0.404	0.454	0.460	0.603	0.490
全林分	1255.622	18.418	14.846	1.353	0.528	0.594	0.471	0.576	0.500

编号	项目	类目
编号	项目	1	2	3
1	林木覆盖度	低	中	高
2	树冠层次	高低错落	一致
3	树冠质地	刚性	柔性	混合
4	林分格局	随机	均匀	聚集
5	林分色彩	单调	点缀	丰富

级别	描述
Ⅰ	树干通直且姿态美;树冠形态优美;色泽明亮,色彩纯净无多余杂色,有独特的观赏价值
Ⅱ	树干通直;树冠形态美;色泽明亮,色彩纯净无多余杂色
Ⅲ	树干轻度弯曲;树冠形态较美;色泽较明亮,掺杂些许杂色
Ⅳ	树干轻度弯曲;树冠形态一般;颜色一般,掺杂些许杂色
Ⅴ	树干分两枝且弯曲;树冠形态较差;色泽偏暗,掺杂些许不良杂色
Ⅵ	树干份多枝且弯曲;树冠形态差;色泽昏暗,掺杂大量不良杂色
Ⅶ	树干重度弯曲;树冠形态很差;色泽昏暗,颜色斑驳混杂,有病虫害或为枯倒木

竞争等级	1/2<CI_c≦1	1/3≦CI_c≦1/2	0≦CI_c<1/3
CI_h<0	Ⅰ	Ⅱ	Ⅲ
0≦CI_h≦0.5	Ⅳ	Ⅴ	Ⅵ
0.5<CI_h≦1	Ⅶ	Ⅷ	Ⅸ

经营	密度/ (株/hm²)	平均胸径 /cm	平均树高 /m	Margalef 丰富度指数	Simpson 多样性指数	Pielou 均匀度指数	混交度M	角尺度W	大小比U
伐前	1255.622	18.418	14.846	1.353	0.528	0.594	0.471	0.576	0.500
伐后	1139.430	17.812	14.354	1.414	0.543	0.612	0.479	0.564	0.496
变化/%	-9.254	-3.290	-3.314	4.508	2.841	3.030	1.699	-2.083	-0.800