Table of Content

28 October 2008, Issue 5

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Management and Administration

Speeding Up and Promoting the Pilot Process of Sustainable Forest Management

SU Chunyu

2008,(5):  1-8. 

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Based on the pilot work on sustainable forest managemnt, this paper focuses on the framework of sustainable forest management system and the approaches for developing such a system and suggests that good jobs shuld be done in building a platform, coordinating two relations, carrying out three activities and using well four mechanisms. Building a platform means that a forest resources management information system shall be established; coordinating two relations is that the relation between commercial forest management and their ecological management and the relation between public welfare forest protection and management shall be coordinated well, aiming at maximizing overall benefits of forests; Carrying out three activities indicates that county-level planning for sustainable forest management, forest management plan, diverse forest management practices and sustainable forest management technical system shall be developed; Using four mechanisms suggests that the market mechanism, the government readjustment mechanism, the internal mechanism of forest ecosystem and the forest property right mechanism shall be made good use of. Meanwhile, focusing on the realistic situation, the paper has a good look at several issues to be addressed in the pilot work on sustainable forest management.

Collective Tenure Reform of Forest Management in Mountainous Areas in Eastern Liaoning Province

YIN Mingfang, WANG Mei, LEI Qingfeng, ZHENG Xiaoxian, YIN Weida

2008,(5):  9-12.  doi:10.13466/j.cnki.lyzygl.2008.05.020

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China's collective owned forests have a very large proportion in forestry.How to study the status of forest management and especially how to sum up the experience and address the existing problems timely in the tenure reform is very important to the forest management. The paper puts forward some suggestions on forest management in accordance with many practical investigations.It provides some reference for developing the forestry policy.

Study on the Management Models of Non-Public Forestry—Taking Wangcang county of Sichuan Province as an example

FAN Chuan, LI Xianwei, YUAN Jun, CHEN Yougen

2008,(5):  13-19. 

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The development of non-public forestry will be the key point of Chinese forestry in future.In view of a special region,exploration for high yielding,high quality and high efficiency management models has important guidance and practical significance to forestry development.On the basis of the investigation and study on non-public forestry development in Wangcang county,Sichuan province,the factors restricting non-public forestry development have been pointed out and comparative analysis carried out on the different existing management models from ecological,economic and social benefit aspects. According to the characteristics of the three different regions in this county, the paper selects or proposes new non-public forestry management models suitable for these three different regions,hoping to provide some reference and theoretical foundation to forestry development in this county and other areas having similar characteristics.

Policy Advice on Forest Eco-compensation in China

WU Hongjun, LI Jianquan

2008,(5):  20-23.  doi:10.13466/j.cnki.lyzygl.2008.05.022

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The forest eco-compensation has become the focus that draws great attention of the international community,national governments,international organizations and enterprise groups.Since more than 20 years,the forest eco-compensation in China has gained an obvious development result and some problems have appeared also.Based on the definitude of connotation for forest eco-compensation,the main problems in China’s forest eco-compensation practice were analyzed,and the better policy advice for forest eco-compensation in China to promote sustainable development of forestry was discussed in this paper.

Some Considerations on Ecological Compensation Implementation in Beijing Mountainous Area

GAO Hongdian, JIN Yanping, ZHANG Xiaoli, MI Feng, BIN Peng

2008,(5):  24-26. 

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Based on the investigation of the forest compensation policy implementation in Beijing mountainous area, achievements and existing problems are analyzed. The suggestions are proposed to improve the policy, the ecological forest compensation mechanism and increase the forest compensation standards, etc.

Current Situation and Countermeasure of Emergency Management of Dust Storm Disaster in China

WU Jianwei

2008,(5):  27-31.  doi:10.13466/j.cnki.lyzygl.2008.05.001

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Based on the analysis of conditions and characteristics of dust storm disaster and emergency management,the importance enhancement of dust storm disaster emergency management is analyzed.The State Forestry Adminstration should promote its emergency management capability and play a more active role in strengthening the construction of emergency management mechanism,establishing and carrying out emergency response procedures,strengthening capability construction,building dust storm disaster information system,studying on risk assessment and zonation of dust storm disaster,enchancing public education and international cooperation.

Risk Management of Wetland Disasters Caused by Human Factors

DING Wenguang, CHEN Dongmei

2008,(5):  32-36. 

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wetlands are a special ecological landscape with abundant biodiversity and one of the most important environments for the existence of mankind,which not only provide many kinds of resources but also have great environment functions and values.However,wetlands are seriously damaged due to the irrational exploitation and use by mankind,which has resulted in enormous loss to human beings.The authors of the paper comprehensively introduce the situation of wetland disasters caused by man-made factors and analyze the potential human disaster risk sources,then put forward the related management measures.

Present Situation,Problem and Countermeasure of Classified Forest Management in Guangdong Province

XU Xiuyu, ZENG Feng

2008,(5):  37-40.  doi:10.13466/j.cnki.lyzygl.2008.05.024

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This paper introduces the present situation of implementing classified forest management in Guangdong Province.analyze the major existing problems in the process and put forward some relevant methods and proposals.

Study on Development Strategy for Country Parks in Shanghai

XU Dongxin, XUE Jianhui

2008,(5):  41-44.  doi:10.13466/j.cnki.lyzygl.2008.05.003

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Country parks are considered as convenient places of rural recreation for citizens in urbanized area.Country parks have been developed for 50 years in Britain and other commonwealth nations,and the functions of country parks include:leisure and recreation,natural preservation,environmental education,community interaction etc.Shanghai,as a metropolis in the world,is urgent to develop country parks.The theory and experiences of construction and management of country parks were composed firstly in this paper. Then,according to the characteristics of society,economics,culture and ecology of Shanghai,the strategy of development of country parks in Shanghai was put forward.

Brief Analysis on the Impacts of Sleet and Snow Disaster and Countermeasures—A case study of bamboo forest in Zhejiang

SONG Weizhen, WANG Aijun

2008,(5):  45-49.  doi:10.13466/j.cnki.lyzygl.2008.05.006

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Zhejiang Province is rich in bamboo resources,and it’s bamboo industry is developed.It is a key bamboo—producing province in China.The sleet and snow disaster made this province's bamboo forest suffer heavy losses at the beginning of the year 2008,with the affected area covering 520 thousand hm²,which accounts for 66.4% of the bamboo forest’s total area ;Direct economic losses reach 3.6 billion yuan,occupying 37.7% of the forestry total losses. On the basis of th analysis on the sleet and snow disaster,the affected bamboo forest,people's life,ecological functions,secondary disaster are assessed;Secondly,analysis is also made on the disaster affects from the aspects of the elevation,the mixed forest and the pure forest,the age structure of bamboo forest,hooked top of bamboo trees,the forest land cultivation and use of herbicide,gradients and locations,etc.Finally disaster prevetion countermeasures are put forward.

Science and Technology

Study on Individual Tree Height Growth Model for Pinus tabulaeformis Plantation

LIU Ping, MA Luyi, JIA Liming, WANG Yutao

2008,(5):  50-56.  doi:10.13466/j.cnki.lyzygl.2008.05.007

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Richard,Logistic,Korf,Mitscherlich,Schumacher,Weibull equations were used to simulate individual tree height growth of Pinus tabulaeformis plantation with different site indexes.The result showed that simulative precision of three parameters growth equations(Logistic,Weibull,Richard,Korf)were similar,and were significantly higher than those of the two parameters equation(Mitscherlich,Schumacher equation);Effect of site indexes on the progressive line parameters and shape parameters of the equation was significant.Individual tree height growth model of Pinus tabulaeformis plantations was constructed with the site indexes.The best forecast equation was the Logistic equation. Using some data of Pinus tabulaeformis plantation plot that are not used for building models to test,the result showed that the measured values and simulated values of height had no significant difference(p=0.6213>0.05).Therefore,the equation was able to predict accurately height growth of Pinus tabulaeformis plantation,and provide an important reference for Pinus tabulaeformis plantation management.

Study on Forest Development Type Scenarios for Pinus tabulaeformis Forest in the Mountainous Areas of Beijing

NING Jinkui, XIA Bing, ZHANG Zhi, LU Yuanchang, GUO Hong, WU Qiuli

2008,(5):  57-63.  doi:10.13466/j.cnki.lyzygl.2008.05.008

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This article has designed the forest development types according to the characteristics of different Pinus tabulaeformis forest stages in the mountainous areas in Beijing and the aims of every forest development stage and formulated relevant forest management actions.In this article,17 plots were distinctly divided into 4 development stages including forest establishment stage,competition differentiation,selection stage,close-to-nature stage and naturalness permanent forest stage and development aims,main indictors and management actions of every stage have been designed.The article is aimed at providing some references and foundations on sustainable forest management and close-to-nature transformation for plantations in Beijing and other areas.

Advances in Study on Wetland Hydrological Functions

ZHANG Mingxiang

2008,(5):  64-68.  doi:10.13466/j.cnki.lyzygl.2008.05.004

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Wetland ecosystems are the most important element of water resources and water cycle of river basin,and are the most important environment for human beings’survival with the highest biodiversity.The wetland ecosystems not only provide many resources for people’s production and living,but also have important ecological and environmental functions and benefits.The wetland hydrological functions mainly include controlling floods,recharging ground water,providing water resources,maintaining or improving water quality,regional climate amelioration,etc.The unique wetland hydrological functions make great contributions to maintenance of the health of river basin ecosystems and regional eco-environment.So many international and national wetland researchers pay treat attention to hydrological functions.The paper summaries the current situation and progresses of study on wetland hydrology and hydrological functions,points out main problems existing in the current study activities and research trends in the future.

Discussion on the Index System for Scenic Forest Landscape Aesthetics Evaluation

ZHOU Genmiao, XUE Liang, FENG Chao, DAN Xinqiu

2008,(5):  69-74.  doi:10.13466/j.cnki.lyzygl.2008.05.009

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Using the achievements made in the scenic forest landscape aesthetics evaluation at home and abroad,this paper summarizs the main factors affecting scenic forest landscape aesthetics. On this basis,the scenic forest landscape aesthetic evaluation index system which consists of two categories and five types is developed,and a new concept for landscape aesthetic indexes is put forward.

Distribution and Dynamics of Carbon in Pinus armandi Forest Ecosystem in Qinling Mountains

MA Ming, WANG Dexiang, LIU Yumin

2008,(5):  75-78. 

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Based on field investigation and laboratory data,spatial distribution and temporal variations of biomass carbon density(BCD)in Pinus armandi forest ecosystem in Qinling Mountains were studied in this paper.The results showed:1) the organ distribution of BCD was 47.91％ for trunk,22.80％ for branch and 6.20％for bark,and BCD of different Pinus armandi organ ranged from 0.4916 to 0.5298,with the order as follows:barks>leaf>branch>trunk>root;2) the total BCD in Pinus armandi ecosystem was 183.26 t·hm^-2,about 2/3 of which was stored in the plant(including root) and 1/3 in the soil;3) the highest BCD values,70.48 t·hm^-2,occurred at the elevation ranging from 1?700 m to 1?800m;below the elevation of 1?500m or above the elevation of 1?900m the BCD values were 50.26 t·hm^-2　and 46.57 t·hm^-2 respectively;4) the highest and lowest BCD values were found in 50a and 20a respectively among the five age grades;and 5) comparing data of the two periods,biomass of forest Pinus armandi and BCD for 5 years increased by 3.12 t·hm^-2 and 1.61t·hm^-2 respectively.

Study on Knot Size of Larix olgensis Hengy in Plantation in Eastern Area of Heilongjiang Province

JIANG Shengwei, JIA Weiwei

2008,(5):  79-85.  doi:10.13466/j.cnki.lyzygl.2008.05.011

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This study was performed by using dead branches and knot size analysis data of 50 sample trees in 10 sample plots for Larix olgensis Hengy plantations with different ages, different stand density and different sites. The data statistical analysis and matrixes and simulating technique are uses for analyzing and studying the distribution of the knot size along the stem. The models of predicting knot size were established. The results indicate: (1) the knot diameter increases with the knot height and reaches limit value at the tree crown base. The knot diameter can be described with Mitscherlich equation. (2) below 40% of the tree, the sound knot length increases along with the height of living locations of the knot, then the trend tends to decrease.(3) the loose knot length increases with the increasing of tree diameter at breast height and decreases with the increasing of knot angle.

Study on Intraspecific and Interspecific Competition of Picea crassifolia in Liancheng National Nature Reserve of Gansu

MAN Zihong, ZHANG Xiaocui, QU Xuefang, ZHANG Yude, CHEN Xuelin

2008,(5):  86-89.  doi:10.13466/j.cnki.lyzygl.2008.05.012

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Using Hegyi’ s competition index model for individual tree,we analyse the intraspecific and interspecific competition of Picea crassifolia in Liancheng National Nature Reserve of Gansu.The results show that intraspecific competition intensity of Picea crassifolia reduced with increase in diameter scale of the trees.The intraspecific competition is more bigger than interspecific competition.The order of competition intensity(CI)is:Picea crassifolia>Picea wilsonii>Acer tetramerum var.betulifolium>Populus davidiana>Betula albo-sinensis>Salix sp.The relationship between competition intensity and individual growth of objecttive tree follows closely the equation CI=AD^-B.When the diameter scale reaches 45 cm,there is little change of competition intensity.The CI of Picea crassifolia has plus correlation with altitude and crown density.

Study on Plant Diversity of the Larch Plantation in Saihanba

YU Jingjin, GU Jiancai, LI Xiao, ZHANG Suocheng, WANG Xiongbin, XIANG Guangrui

2008,(5):  90-94.  doi:10.13466/j.cnki.lyzygl.2008.05.013

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The investigation was conducted from July to August in Saihanba Forest Farm in order to determine how the different factors of the larch plantation affect the plant diversity.On the basis of statistics of investigation data,effects of different factors on species richness,evenness and plant diversity were discussed.The results showed that altitude had significant positive correlation with S.Aspect had no relations withother factors.Slope had more significant positive correlation with D and Jsi than H and Jsw.The results demonstrated that the effects which were caused by slope were more sensitive to Simpson indexes.Density and cannopy density had more sensitive effects on Shannon-Wiener indexes than Simpson indexes.Age had significant positive correlation with S and H,but not Jsw.

Research on the Correlation between Vegetation Index Before and After the atmosphere Correction and Forest Volume

ZHENG Gang, PENG Shikui, LIU Zhuang, LIU Xue

2008,(5):  95-100.  doi:10.13466/j.cnki.lyzygl.2008.05.014

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By applying the FLAASH,ETM+ image of landscape district of Sun Yat-sen mausoleum was corrected for atmospheric effects to generate the apparent reflectance and the surface reflectance products.After applying the DN image,apparent reflectance image and surface reflectance image to calculate the NDVIs,the functional correlations were built between those NDVIs and forest volume with different functions.It was found that NDVI calculated from surface reflectance had the best correlation with forest volume and could truly show vegetation cover of surface.

Development of Tianjin Forest Pest Management Information System

SU Miao, WU Honggan, CAO Qinxian, SUN Tiehuan, LIU Qingwang

2008,(5):  101-105. 

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Based on the practical requirements of forest pest management,the Tianjin Forest Pest Management Information System is developed.The developing process is described in detail,and some key modules such as specimen diagnosis and forecasting are discussed.The system has been successfully applied in every county of Tianjin and good results have been achieved.

GIS Application System of Non-commercial Forest(NCF)Management and Protection in Beijing

SUN Jinhua, TANG Xiaoming, LIU Pengju, HOU Ruixia, XIE Yangsheng, XUE Bo

2008,(5):  106-110.  doi:10.13466/j.cnki.lyzygl.2008.05.017

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On the basis of summarizing and analyzing the current management and protection of Beijing non-commercial forest(NCF),this paper have designed the scheme of Beijing NCF GIS,which introduces a mixed mode of Client/Server(C/S)and Browser/Server(B/S),the system of B/S mode,for users of city or county or town,executes data receiving,data checking,data gathering,data statistic,and department data exchange and sharing,while the system of C/S mode,for users from town,executes data inputting,data transmitting,and communicating with the system of B/S mode.The NCF GIS can efficiently manage geographical and attribute data about forest protection persons,compensation money,funds,monitoring of forest events,and comprehensively estimate forest ecological benefits,and can offer a shortcut platform of information communication forforestry authorities working in collaboration.

The Number and Distribution of Asiatic Wild Ass in Kalamaili Mountain Ungulate Nature Reserve,Xinjiang

YUE Jianbing, HU Defu, PENG Xiangqian, GAO Erhu, ZHAO Jiali

2008,(5):  111-115.  doi:10.13466/j.cnki.lyzygl.2008.05.015

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This work is conducted to survey Asiatic Wild Ass in Kalamaili Mountain Ungulate Nature Reserve,northern Xinjiang from September to October,2005.The line transect method is used along 8 sampling itineraries covering every area in the reserve with the total length reaching 640,900 km.As a result,53 groups of Asiatic Wild Ass containing 1039 individuals are observed.The mean population size is 11.90±7.84 individuals,and the largest group size is up to 189 individuals.The group sizes ranging from 2 to 10 individuals are common ones,that account for 43.40% of total individuals observed,and the mean density of Wild Ass is estimated at 1.231±0.196 indi./km²,and then the total number of Wild Ass in the reserve is estimated to be 5234±834 individuals.The survey revealed that the main Wild Ass distribution area is located in northern and central areas of the Reserve with high quality foods and water resources.

Development and Industrial Structure Analysis of Forestry Industry in Southwest Forest Area

Allen Li, LIU Junchang, CHEN Wenhui

2008,(5):  116-121.  doi:10.13466/j.cnki.lyzygl.2008.05.018

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As the second large forest area in China,the southwest forestry area has abundant forest resources and big development potential.Concurrently,because of policy,finance,geography and other factors,the unbalanced development of forest industry in this area lead to the stagnancy of forestry economic development.In this paper,the author summarizes the development of the southwest forest area and analyses the industrial structure of forest industry in this area by using Shift-share method.

Study on the Soleness of the Down Volume concerning Forest Cases

LIU Chenglin

2008,(5):  122-124.  doi:10.13466/j.cnki.lyzygl.2008.05.005

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The volume of timber is the main basis for nature determination and punishment of the forest cases such as illegal logging and its result must be sole.The data of the down timber to Pinus Massoniana Lamb,Cunninghamia lanceloate(Lamb.)Hook.and Populus Canadensis Moench.are used to calculate their volumes in different formula respectively,the results obtained are as follows:the volumes of sectional measurement formula with mid-section(n>5)are nearly equal to the exact ones and the appropriate error is smaller.So the volume is suitable to be sole as one of forest cases in the state of down timber.