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Difference Analysis and Integration between Forest Resources Management "One Map" and the Third National Land Survey CHENG Weiya, ZHANG Zhuoman, WANG Han, JIANG Haiming, JI Min, LI Yinlong FOREST RESOURCES WANAGEMENT    2021, 0 (6): 6-11.   DOI: 10.13466/j.cnki.lyzygl.2021.06.002 Abstract （2523）   HTML （115）    PDF （2114KB）（642）       Knowledge map    Save Realizing the substantive integration of basic investigation and special investigation is an important content of natural resources investigation.In order to solve the problems of inconsistent concepts,overlapping contents and contradictory indicators of forest land survey data among different departments,this paper took Huangdao District of Qingdao Citys an example,integrated the "one map" of forest resources management and the data of the third national land survey,and deeply analyzed the differences between them from the perspectives of achievement data,survey boundary,classification standard and survey content.Based on the causes of differences,this paper put forward corresponding solutions and discussed the final data fusion technology,so as to provide effective references for the unified investigation of natural resources. Table and Figures | Reference | Related Articles | Metrics

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Key Data Results and Trend Analysis of the Sixth National Survey on Desertification and Sandification ZAN Guosheng, WANG Cuiping, LI Feng, LIU Zheng, SUN Tao FOREST RESOURCES WANAGEMENT    2023, 0 (1): 1-7.   DOI: 10.13466/j.cnki.lyzygl.2023.01.001 Abstract （2046）   HTML （185）    PDF （1091KB）（933）       Knowledge map    Save The Sixth National Survey on Desertification and Sandification was based on the results of the Third National Land Survey,using 2019 as the benchmark year.The results showed a comprehensive status of desertification and sandification in China.This paper presented a brief overview of this survey,the status and dynamic changes of desertification and sandification in China,conducted a comprehensive analysis of the current situation,and proposed some suggestions for combating desertification and sandification.The survey results showed that,until 2019,the desertification land area in China was 257.371 3 million hm2 and the sandification land area was 168.782 3 million hm2.Compared with 2014,the desertification area of China decreased by 3.788 0 million hm2 with an average annual decrease of 757.6 thousand hm2.The sandification area of China decreased by 3.335 2 million hm2 with an average annual net reduction of 667 thousand hm2. Table and Figures | Reference | Related Articles | Metrics

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Research on the Construction of Comprehensive Evaluation Index System of Natural Resources ZUO Song, HU Li, YANG Lina FOREST RESOURCES WANAGEMENT    2022, 0 (3): 12-18.   DOI: 10.13466/j.cnki.lyzygl.2022.03.002 Abstract （1030）   HTML （33）    PDF （999KB）（313）       Knowledge map    Save By collecting and sorting out relevant indicator systems and methods in the field of comprehensive evaluation of natural resources in China,some existing problems in the current evaluation system were summarized.On the basis of analyzing the key issues of natural resources management,combining with the relevant norms and standards published by the natural resources,forest and grassland,water conservancy,ecological environment and other departments,the comprehensive evaluation indicator system of natural resources with 12 second-level indicators and 41 third-level indicators was constructed from five dimensions of natural resources: background status of natural resources,efficient use of natural resources,green protection of natural resources,quality life of natural resources and governance status of natural resources,which will be expected to act as a reference for making a developed top-level design of natural resource evaluation,and constructing regional classification,multi-dimensional and multi-indicator of comprehensive evaluation indicator system. Table and Figures | Reference | Related Articles | Metrics

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Study on the Current Situation and Modernization of State-Owned Forest Farms in Guizhou Province WEN Yu FOREST RESOURCES WANAGEMENT    2022, 0 (3): 36-41.   DOI: 10.13466/j.cnki.lyzygl.2022.03.006 Abstract （956）   HTML （197）    PDF （995KB）（476）       Knowledge map    Save This paper expounded the present situation and modernization construction mode of state-owned forest farms in Guizhou Province,analyzed the problems and shortcomings faced by the development of state-owned forest farms,and put forward the ways and measures to solve these problems,in order to provide reference for promoting the modernization construction of state-owned forest farms in Guizhou Province and realizing high-quality sustainable development. Reference | Related Articles | Metrics

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Comprehensive Experiment Substitute for Multi-Payload Data of Terrestrial Ecosystem Carbon Inventory Satellite in Hainan LIU Yingchun, WU Fayun, SUN Zhongqiu, FU Anmin, GAO Jinping, GAO Xianlian, GAO Jianxin, CUI Chenyan, CHAO Zhi FOREST RESOURCES WANAGEMENT    2021, 0 (4): 138-148.   DOI: 10.13466/j.cnki.lyzygl.2021.04.018 Abstract （915）   HTML （30）    PDF （9509KB）（400）       Knowledge map    Save Hainan conserves one of the last tropical rainforests in China. The space-air-ground comprehensive data in tropical forest is not only the basis of the management of National Park of Hainan Tropical Rainforest,but also an important component to set up methodology of Terrestrial Ecosystem Carbon Inventory Satellite (TECISat) in China. From March 20,2020 to July 10,2021,we used National Forest and Grassland Inventory (NFGI) airborne platform to produce 20TB raw data and products that covered an area more than 6000 km2,including airborne large-footprint LiDAR,small-footprint LiDAR,visible and near-infrared image,and ultra-spectrum image. We also collected data from 170 forest plots,183 ground control points and 17 checking polygons. Combined with GF-7 and GEDI data,these data constituted the space-air-ground data covering National Park of Hainan Tropical Rainforest and surrounding area. The products showed that the horizontal and elevation accuracy of large-footprint LiDAR were better than 1m and 0.15m respectively. The horizontal and elevation accuracy of small-footprint LiDAR were better than 0.5m and 0.08m respectively. The elevation accuracy of DEM and height precision of CHM were 0.15m and 91.8% respectively. The horizontal accuracy of 0.2m DOM was better than 0.5m. The spectral and spatial resolution of ultra-spectrum image were 0.24nm and 1~2m respectively. This experiment provided high quality products and space-air-ground data for TECISat and national park management. Table and Figures | Reference | Related Articles | Metrics

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Biomass Carbon Stocks and Carbon Stock Economic Value of Forests in Beijing ZHANG Feng, PENG Zuodeng FOREST RESOURCES WANAGEMENT    2021, 0 (6): 52-58.   DOI: 10.13466/j.cnki.lyzygl.2021.06.009 Abstract （881）   HTML （53）    PDF （1734KB）（689）       Knowledge map    Save Based on the forest inventory data of Beijing from the seventh (2004-2008),the eighth (2009-2013) and the ninth (2014-2018),the continuous biomass expansion factor method was used to evaluate the dynamic changes of forest carbon stocks in Beijing during 2004-2018,and the carbon tax assessment method was used to estimate the economic value of the forest carbon sink in Beijing from 2004 to 2018. The results showed that: the forest carbon storage in Beijing was 7.09Tg from 2004 to 2008,9.43Tg from 2009 to 2013,and 15.39Tg from 2014 to 2018. The forest carbon density was 19.94,21.97,and 24.75t/hm2,respectively. The young forest accounted for the highest proportion of total carbon storage,accounting for 52.04%,47.64% and 53.42% in the three inventory periods respectively,while middle forest accounted for 23.05%,24.78% and 21.00% in the same period respectively. The economic value of forest biomass carbon sink in Beijing was 5.075 billion yuan between 2004 to 2008,5.725 billion yuan between 2009 to 2013,and 7.652 billion yuan between 2014 to 2018,the annual increment of economic value of forest biomass carbon sink in 15 years was 171.8 million yuan. The carbon stocks and carbon stock economic value of the forest resources in Beijing showed an increasing trend,but the proportion of young forest and middle forest was relatively high,and the carbon density of forests was low,so the scientific cultivation and management of the forest should be strengthened in order to continuously improve the function and value of the forest carbon sink. Table and Figures | Reference | Related Articles | Metrics

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Construction and Practices of Forest Land Gradation and Classification—A Case Study of Forest Land in Hainan Province SHI Tian, WU Jianwei, LI Xiaoxia, WU Bangao, ZHANG Hongwei FOREST RESOURCES WANAGEMENT    2022, 0 (6): 19-25.   DOI: 10.13466/j.cnki.lyzygl.2022.06.004 Abstract （872）   HTML （29）    PDF （1165KB）（139）       Knowledge map    Save This paper took the forest land resources in Hainan Province as an example to carry out the practical research work based on the General Rules for Gradation and Classification of Natural Resources for the first time.This paper had created a classification index interpretation model that could not directly obtain data,which constructed an evaluation scheme for the classification of forest land in Hainan Province by the method of factor and correction,and clearly adopted the five grade and five class evaluation system.The results indicated that 18.2474 million hm2 of forest land was the phased achievement of the "The Third Land Survey" project in Hainan Province and there were 2.1252 million basic units for forest land classification and grading,with one grade of each plot.There were actually four grades from 1 to 4;The commercial forest land was 7.8809 million hm2,and there were actually five grades from 1-5;The forest land of public welfare forest was 10.3665 million hm2,and there were actually 1-5 levels.The evaluation results reflected the actual situation of forest land in Hainan,and provided a reference for the standardization and procedure of national forest land classification with the promotion of forest land resources protection and rational development and utilization. Table and Figures | Reference | Related Articles | Metrics

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Concession Management Analysis and Operation Model Selection of China's National Parks GENG Songtao, ZHANG Hongxia, YAN Rong FOREST RESOURCES WANAGEMENT    2021, 0 (5): 10-19.   DOI: 10.13466/j.cnki.lyzygl.2021.05.002 Abstract （869）   HTML （26）    PDF （1114KB）（938）       Knowledge map    Save National park is one of the core tasks of China's protected area system construction.In order to achieve the win-win goal of national park ecological protection and resource appreciation,franchising is a good method that can be used in its operation and management.According to the classification,the national park franchise in our country belongs to the government concession.In order to regulate the concession management,this article used a comparative analysis method to analyze the O&M model (Operation and Maintenance Contract),the LOT model (Lease-Operate-Transfer),and BOT (Build-Operate-Transfer)mode and TOT (Transfer-Operate-Transfer)concession model are compared and analyzed,and it was concluded that the TOT model is currently the better choice for national park concession in China,and other models can also be used in conjunction with local conditions.In addition,in view of the existing problems in legal regulation,operation management,fund revenue and expenditure,and supervision of current characteristics of operation,four special measures such as improving the legal system,standardizing operation procedures,formulating revenue and expenditure standards,and improving the supervision mechanism were proposed to effectively contribute to China's ecological civilization.This article studied and explored the future development path of concession in national park management,so as to provide reference and inspiration for promoting the development of national parks. Table and Figures | Reference | Related Articles | Metrics

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Method and Enlightenment of 2020 Global Forest Resources Assessment Remote Sensing Survey WANG Wei, YANG Jing, GAO Xianlian, ZENG Weisheng FOREST RESOURCES WANAGEMENT    2021, 0 (6): 1-5.   DOI: 10.13466/j.cnki.lyzygl.2021.06.001 Abstract （786）   HTML （72）    PDF （1229KB）（366）       Knowledge map    Save From 2019 to 2020,China participated in the 2020 Global Forest Resources Assessment Remote Sensing Survey (FRA2020 RSS) organized by the United Nations Food and Agriculture Organization(FAO),and completed the tasks within China. This article described the development process of the global forest resources assessment,introduced the system framework and technical methods of FRA2020 RSS,and analyzed the reflection and enlightenment of FRA2020 RSS on the construction of an integrated forest resources monitoring system in China. Table and Figures | Reference | Related Articles | Metrics

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The Research of Carbon Emission and Carbon Sequestration Potential of Forest Vegetation in China YIN Jingping, ZHANG Yuxing, FU Yao, WANG Xuejun FOREST RESOURCES WANAGEMENT    2021, 0 (3): 53-61.   DOI: 10.13466/j.cnki.lyzygl.2021.03.009 Abstract （713）   HTML （34）    PDF （1078KB）（442）       Knowledge map    Save Carbon emission is an inevitable outcome of the initial stage of economic development,especially the right of developing countries existence and development.The carbon emissions of China have been maintained at a low level for a long time and became the top of the world in 2005.However,per capita carbon emission was still only 46.28% of the United States in 2016.China's total CO2 emissions are expected to reach 17~19Gt per y by 2030.To achieve the goal of carbon neutrality in 2060,it's necessary to change the energy structure, improve emission reduction technology and make the energy structure more reasonable.Therefore,replacing coal with gas is one of the most effective ways of emission reduction currently.By 2060,the carbon sequestration capacity of forest vegetation will reach or exceed 759.14Mt per y and the CO2 absorption capacity will reach 2.783 5Gt per y.According to that,China's carbon intensity in 2060 must reduce 95.39% on the basis in 2017 and reach 640t per 100 million yuan.The carbon sequestration capacity of terrestrial vegetation (forest,grassland) will reach or exceed 1.380 3Gt per y and the CO2 absorption capacity will reach 5.069 3Gt per y.According to that,China's carbon intensity in 2060 must reduce 91.07% on the basis in 2017 and reach 1 152t per 100 million yuan.As a consequence,under the condition that China's carbon intensity is difficult to achieve zero emissions,forest vegetation plays a key role in achieving the goal of carbon neutrality to ensure and improve the carbon sequestration capacity. Table and Figures | Reference | Related Articles | Metrics

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Countermeasures and Suggestions for High-Quality Development of State-Owned Forest Farms ZHAO Rong, LI He FOREST RESOURCES WANAGEMENT    2022, 0 (zk1): 46-51.   DOI: 10.13466/j.cnki.lyzygl.2022.S0.007 Abstract （701）   HTML （9）    PDF （949KB）（32）       Knowledge map    Save Based on data from the monitoring and the field survey on the reform of state-owned forest farms,this paper evaluated effectiveness of the reform and found that state-owned forest farms still faced such problems as infrastructure construction,forest preservation and protection,forest management,industrial development,personnel management,and policy design.Therefore,this paper recommended several strategies as follows:improving the protection and cultivation system of forest resources in state-owned forestry farms and strengthening supervision over forest resources;vigorously developing ecological industries and increasing the supply of green and high-quality forest products;strengthening capacity building and improving incentive mechanism;expanding financial and monetary support channels for the continuing development of state-owned forest farms and capital investment;optimizing the design of financial support policy and improving the efficiency of financial funds.It is aimed that these strategies are useful for promoting the high-quality development of state-owned forest farms. Reference | Related Articles | Metrics

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Analysis and Suggestions of Forest Pest Disaster Rate Index in China QIU Lixin, LU Xiuliang, FAN Shiqi, CHENG Tongtong, LIU Yang, CHANG Guobin FOREST RESOURCES WANAGEMENT    2021, 0 (4): 49-53.   DOI: 10.13466/j.cnki.lyzygl.2021.04.007 Abstract （689）   HTML （18）    PDF （1312KB）（340）       Knowledge map    Save The forest pest control began to implement objective management since 1992,which is a reform of forest pest control and management method,and also a breakthrough in the understanding and concept of work.As an important index in objective management system,the forest pest disaster rate not only reflects actual disaster area size,moreover also represents effectiveness of prevention and control.Based on the objective management practice,this paper studied and analyzed the disaster rate.Then,it put forward countermeasures and suggestions for improving the forest pest disaster rate index in light of four aspects:to adjust the calculation method,to set the index value reasonably,to revise statistical standards and to standardize statistical methods. Table and Figures | Reference | Related Articles | Metrics

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Landscape Design of the Fifth Facade of Daxing International Airport LI Yanbin FOREST RESOURCES WANAGEMENT    2021, 0 (4): 86-93.   DOI: 10.13466/j.cnki.lyzygl.2021.04.012 Abstract （688）   HTML （8）    PDF （11740KB）（116）       Knowledge map    Save The emergence of high-rise buildings,the development of aviation industry and the increase of UAV ownership of ordinary people provide more opportunities for people to overlook the fifth facade of the city.In 2020,Beijing issued the "Guidelines for Urban Design of the Fifth Facade and Landscape Overlooking System in Beijing".It is urgent to explore the green landscape design method of the fifth facade.Based on the research of a large number of documents,combined with the green landscape design of the take-off and landing area of Beijing Daxing International Airport,this paper probed into the design strategy of earth art,and made it clear that earth art played a positive role in the green landscape construction of the fifth facade of the city.In China,it was the first time to practice the earth art design in the airport area. Table and Figures | Reference | Related Articles | Metrics

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Practices and Exploration of Forest Ticket System Reform in Sanming of Fujian Province WANG Weibin, LI Shan FOREST RESOURCES WANAGEMENT    2021, 0 (4): 17-22.   DOI: 10.13466/j.cnki.lyzygl.2021.04.003 Abstract （683）   HTML （11）    PDF （1144KB）（772）       Knowledge map    Save The key approaches to turn lucid waters and lush mountains into invaluable assets are to focus on core problems such as difficulty in discovering the value of forestry basic assets,low pricing efficiency,and poor liquidity,through the establishment and improvement of market-oriented forest resource value discovery mechanisms,product pricing mechanisms,and circulation trading mechanisms to gradually promote the capitalization of ecological resources,the securitization of ecological assets,and the marketization of ecological securities trading.Since the 19th National Congress of the Communist Party of China,Sanming has been implemented the spirit of General Secretary Xi Jinping's instructions on comprehensive deepening reform,especially the forestry reform in Fujian,explored the market-oriented mechanism for value discovery and realization of ecological products based on the reform concept of "lucid waters and lush mountains are invaluable assets" and continued to deepen the fourth round of forest reform with forest ticket system innovation as a breakthrough.Taking Sanming as an example,this paper summarized the pilot situation and main experience of the current forest ticket system reform,analyzed the current problems and expected benefits in the exploration of the forest ticket system in Sanming,and provided opinions and implementation suggestions for continuing to deepen the reform of the forest ticket system. Table and Figures | Reference | Related Articles | Metrics

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Development of Multivariate Mixed Models for Forest Volume and Biomass ZENG Weisheng FOREST RESOURCES WANAGEMENT    2021, 0 (6): 23-28.   DOI: 10.13466/j.cnki.lyzygl.2021.06.005 Abstract （674）   HTML （25）    PDF （1261KB）（474）       Knowledge map    Save Based on the data of 1400 sample plots from continuous forest inventory in Beijing,the multivariate regression models between forest volume,biomass and factors including dominant species,age group,mean diameter,stem number,and canopy closure were developed using the mixed model approach. The results showed that the determination coefficients (R2) of the multivariate mixed models for forest volume and biomass were more than 0.8,the mean prediction errors (MPEs) were less than 3%,and the mean percent standard errors (MPSEs) were less than 25%;and for the forest volume and biomass estimates of 10 forest types,the MPEs were less than 15%,and the MPSEs were less than 30%. It is totally feasible in practice to develop multivariate regression models between forest volume,biomass and quantitative,qualitative/indicative factors of forest stands;the data of sample plots in arboreal forest from 9th national forest inventory can be used to develop multivariate mixed forest volume and biomass models,which would provide important basis for realizing the decomposition of total provincial data to city,county and each sub-compartment on forest map. Table and Figures | Reference | Related Articles | Metrics

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Estimation of Forest Parameters of Guangxi Eucalyptus Plantation Based on Terrestrial Laser Scanning XIE Xiansheng, SU Hongxin, YANG Yuanzheng, LI Chunhai, LU Feng, LUO Weisheng, XU Zhanyong FOREST RESOURCES WANAGEMENT    2022, 0 (2): 100-108.   DOI: 10.13466/j.cnki.lyzygl.2022.02.014 Abstract （672）   HTML （11）    PDF （3843KB）（265）       Knowledge map    Save Using ground real data as a control,this study applied terrestrial laser scanning (TLS) to scan eucalyptus plantations at different stand ages(2,5,10 a)in Guangxi State-owned Gaofeng Forest Farm,assessed the ability of TLS in individual tree identification and extraction of tree parameters and further explored its feasibility for extracting forest parameters. The results showed that:1) TLS had a strong ability to identify individual tree in eucalyptus plantations,with an overall recognition rate of 93.45%. Its extracted tree parameters of various types were significantly different among different stand ages (P<0.05),which was consistent with the measured trend. 2) In the 2a eucalyptus plantation,there was no difference between the measured values and the estimated values of DBH,basal area,tree volume by TLS. At the same time,it was found that the method of reconstructing tree models based on TLS combined with AdQSM was feasible,and it had a very significant linear correlation with the results calculated by the standing tree volume model (P<0.01,R2=0.96,MAE=0.05 m3). 3) At the stand level,the estimation accuracy of TLS were 94.69%,93.75%,89.66%,and 84.22% for the average diameter at breast height,average tree height,stand basal area,and standing volume,respectively,with superior estimation ability. The study showed that the application of TLS can rapidly estimate the forest parameters of eucalyptus plantations at the sample plot scale. Table and Figures | Reference | Related Articles | Metrics

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Study on Phenotype and Adaptability Evaluation of Cold-Tolerant Fern in Beijing HE Guoxin FOREST RESOURCES WANAGEMENT    2022, 0 (2): 82-90.   DOI: 10.13466/j.cnki.lyzygl.2022.02.012 Abstract （663）   HTML （4）    PDF （5738KB）（358）       Knowledge map    Save The main problems existing in Beijing plain area are as follows:the landscape of uniform tree species is lack of vertical layer especially in ground cover plants,let alone pay attention to species diversity and density,as well as seasonal colors.There are few ground cover species in high canopy forests,and the phenomenon of understory blank is prominent.To enrich the diversity of ground cover plants under forests,10 cold resistant fern varieties were introduced to carry out adaptability research tests such as cold tolerance,negative tolerance and cold tolerance. Four varieties of fern,including Mexicans fern,Banas fern,Japanese color leaf fern and Ostrich fern,suitable for understory planting in Beijing Plain were selected.The evaluation indexes and methods of the adaptability of the introduction and cultivation of cold resistant fern were summarized. The screening and evaluation experiment of cold resistant fern enrich the species of ground cover plants,and provide more choices for high-quality landscape construction of the capital. Table and Figures | Reference | Related Articles | Metrics

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Study on the Characteristics and Relationship of Soil Moisture and Litter Fall of Three Vegetation Types in Ai-lao Mountain ZHU Xiuwen, GUO Zihao, YANG Shuangna, GONG Hede FOREST RESOURCES WANAGEMENT    2022, 0 (1): 43-51.   DOI: 10.13466/j.cnki.lyzygl.2022.01.006 Abstract （639）   HTML （17）    PDF （1500KB）（432）       Knowledge map    Save In the Ai-lao Mountain Nature Reserve,Pu'er City,Yunnan Province,this research selected three vegetation types as the objects,including mid-montane moist evergreen broad-leaved forest,mountain top mossy coppiceforest and secondary forest of Populus Yunnanensis,and measured 10-50cm,70cm,90cm,110cm,130cm and 150cm soil moisture content by TDR time domain reflectometer,collected the dry weight of litter (leaf,branch,flower and fruit,bark,moss lichen and other litter) to analyze soil moisture and litter features of different vegetation types and the relationship between them. The results showed that: 1) The soil moisture,as a whole,was represented by the middle-mountain moist evergreen broad-leaved forest>secondary forest of Populus Yunnanensis>mountain top mossy coppice forest. 2) Litter of 3 vegetation types,except for the dry weight of branches and bark,all had significant differences (P<0.05),and the composition of litter was similar,mainly composed of branches and leaves. 3) In the mid-mountain moist evergreen broad-leaved forest,the soil water content only had a very significant positive correlation with the dry leaf weight (P<0.01);in the mountain top mossy coppice,the soil water content only had the negative correlation with the dry weight of moss lichen,and was positively correlated with other indicators;the soil water content in the secondary forest of Populus yunnanensis was negatively correlated with the dry weight of leaf and moss lichen,and positively correlated with the other indicators. RDA analysis results of moss lichen,leaf dry weight and other litter dry weights had greater influence on the soil moisture content of the three vegetation than the dry weight of flowers,fruits,bark and dead branches;in soil moisture content of mid-montane humid evergreen broad-leaved forest,the fitting effect with the total amount of litter was better than that of the other two,which was y=78.601x+35.374.The cultivation of evergreen broad-leaved forest is conducive to the conservation of soil water resources in the mountains. Table and Figures | Reference | Related Articles | Metrics

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Problems and Recommendations of Conservation and Restoration of Natural Forest in Yangtze River Economic Belt HE Yating, XIE Hesheng, HE Youjun FOREST RESOURCES WANAGEMENT    2022, 0 (2): 1-9.   DOI: 10.13466/j.cnki.lyzygl.2022.02.001 Abstract （597）   HTML （23）    PDF （1511KB）（326）       Knowledge map    Save Natural forest is one of the most important ecological elements in Yangtze River Economic Belt,and the conservation and restoration of the natural forest has important significance for constructing the ecological security shelter in the Yangtze River Economic Belt. Based on the data of the 9th National Continuous Forest Inventory(2014—2018),this paper analyzed the current situation,the existing problems and proposed the targeted recommendations in the Yangtze River Economic Belt. The results showed that the forest coverage rate was 44.38%,14 percentage higher than that in the early stage of the natural forest project,while the area of natural forests and the stock increased by 14.18 million hectares and 1 368 million cubic meters,respectively. However,there were still problems such as lack of overall planning,high pressure on natural forest protection,the low quality of natural forest resources and weak management and protection ability,incomplete subsidy policy,failure to establish a long-term fund guarantee mechanism. It is suggested that long-term mechanisms such as top-level design,resource management and conservation,fund investment,and ecological compensation should be established,so as to lay a solid ecological foundation for high-quality development of the Yangtze River Economic Belt. Table and Figures | Reference | Related Articles | Metrics

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The Forest City Development Strategyunder the "14th five-year plan" and National Territory Plan WANG Daoyang, QIAO Yongqiang, XU Wentong, ZHANG Bolin, ZHAO Siyuan, LIU Yuheng FOREST RESOURCES WANAGEMENT    2021, 0 (6): 19-22.   DOI: 10.13466/j.cnki.lyzygl.2021.06.004 Abstract （596）   HTML （12）    PDF （1210KB）（162）       Knowledge map    Save Focusing on the 14th five-year national planning system of China and transformation of management layout,based on the analysis of the achievements and challenges of forest city development,this paper discussed the development positioning,development goals,forest city development path of the national development plan and the national territorialplan,as well as the overall coordination and connection of the national development plan in the construction key points and construction tasks,and the national territorial plan in the spatial layout and construction projects..This paper also put forward relevant suggestions about the improvement of forest city construction data base and forest city construction index system. Reference | Related Articles | Metrics