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Livelihood Vulnerability and Adaptation for Households Engaged in Forestry in Ecological Restoration Areas of the Chinese Loess Plateau
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作者 YANG Qingqing CHEN Yang +2 位作者 LI Xiaomin YANG Jie GAO Yanhui 《Chinese Geographical Science》 SCIE CSCD 2024年第5期849-868,共20页
Chinese Loess Plateau has achieved a win-win situation concerning ecological restoration and socio-economic development.However,synergistic development may not be realized at the local scale.In areas undergoing ecolog... Chinese Loess Plateau has achieved a win-win situation concerning ecological restoration and socio-economic development.However,synergistic development may not be realized at the local scale.In areas undergoing ecological restoration,livelihood vulner-ability may be more pronounced due to the inflexibility,policy protection,and susceptibility to climate and market changes in forestry production.Although this issue has attracted academic interest,empirical studies are relatively scarce.This study,centered on Jiaxian County,Shaanxi Province of China explored the households’livelihood vulnerability and coping strategies and group heterogeneity con-cerned with livelihood structures or forestry resources through field investigation,comprehensive index assessment,and nonparametric tests.Findings showed that:1)the percentage of households with high livelihood vulnerability indicator(LVI)(>0.491)reached 46.34%.2)Eight groups in livelihood structures formed by forestry,traditional agriculture,and non-farm activities were significantly different in LVI,land resources(LR),social networks(SN),livelihood strategies(LS),housing characteristics(HC),and socio-demo-graphic profile(SDP).3)The livelihood vulnerability of the groups with highly engaged/reliance on jujube(Ziziphus jujuba)forest demonstrated more prominent livelihood vulnerability due to the increased precipitation and cold market,where the low-engaged with reliance type were significantly more vulnerable in LVI,SDP,LR,and HC.4)The threshold of behavioral triggers widely varied,and farmers dependent on forestry livelihoods showed negative coping behavior.Specifically,the cutting behavior was strongly associated with lagged years and government subsidies,guidance,and high returns of crops.Finally,the findings can provide guidance on the dir-ection of livelihood vulnerability mitigation and adaptive government management in ecologically restored areas.The issue of farmers’livelihood sustainability in the context of ecological conservation calls for immediate attention,and eco-compensations or other forms of assistance in ecologically functional areas are expected to be enhanced and diversified. 展开更多
关键词 livelihood vulnerability forestry coping behaviors climate change market change Jiaxian County
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Coupling and Long-term Change Characteristics of Forest Carbon Sink and Forestry Economic Development in China
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作者 Ying ZHANG Na MENG Keren ZHANG 《Asian Agricultural Research》 2024年第7期1-11,共11页
[Objectives]To analyze the changes in of forest carbon sink and forestry economic development,provide reference for relevant management decisions,ecological governance and resource and environment management,and promo... [Objectives]To analyze the changes in of forest carbon sink and forestry economic development,provide reference for relevant management decisions,ecological governance and resource and environment management,and promote the development of green low-carbon economy in China.[Methods]Based on the data of six forest resource inventories from 1989 to 2018 and related studies,the comprehensive evaluation model of forest carbon sink and forestry economic development,the coupling degree model of forest carbon sink and forestry economic development,and the coupling coordination degree model of forest carbon sink and forestry economic development were adopted.The coupling degree of forest carbon sink and forestry economic development from 1992 to 2018 was analyzed.Stepwise regression and ARIMA model were used to analyze the influencing factors and lagging characteristics of forest carbon sink.The coupling degree between forest carbon sink and forestry economic development in China from 2019 to 2030 was predicted by autoregression and ADF test.The coupling between forest carbon sink and forestry economic development in China and its long-term change characteristics were also discussed in this study.[Results](i)The investment of ecological construction and protection,the actual investment of forestry key ecological projects,GDP and the import of forest products had a significant impact on forest resources carbon stock.The total output value of forestry industry,the actually completed investment of forestry key ecological projects and the export volume of forest products had a significant impact on the forest carbon sink,and the actually completed investment of forestry key ecological projects has the greatest impact on the two.(ii)The impact of actually completed investment of forestry key ecological projects had a lag of 2 years on the forest resources carbon stock and a lag of 1 year on the forest carbon sink.When investing in forest carbon sink,it is necessary to make a good plan in advance,and do a good job in forest resources management and time optimization.(iii)From 1992 to 2018,the coupling degree of forest resources carbon stock,forest carbon sink and long-term development of forestry economy in China was gradually increasing.Although there were some fluctuations in the middle time,the coupling degree of forest resources carbon stock and the long-term development of forestry economy increased by 9.24%annually,and the degree of coupling coordination increased from"serious imbalance"in 1992 to"high-quality coordination"in 2018.From 1993 to 2018,the coupling degree of forest carbon sink and long-term development of forestry economy increased by 9.63%annually,slightly faster than the coupling coordination degree of forest resources carbon stock and long-term development of forestry economy.The coordination level also rose from level 2 in 1993 to level 10 in 2018.(iv)The prediction shows that the coupling coordination degree of forest resources carbon stock,forest carbon sink and the long-term development of forestry economy would increase from 2019 to 2030.The coupling coordination degree(D)values of both were close to 1,the coordination level was also 10 for a long time,and the degree of coupling coordination was also maintained at the"high-quality coordination"level for a long time.[Conclusions]Forest has multiple benefits of society,economy and ecology,and forest carbon sink is only a benefit output.The long-term coupling analysis of forest carbon sink and forestry economic development is a key point to multiple benefit analysis.The analysis shows that the spillover effect and co-evolution effect of forest carbon sink in China are significant.From 1992 to 2018,the coupling coordination degree of forest carbon sink and forestry economic development was gradually rising.The prediction analysis also indicate that the coupling coordination degree between the forest carbon sink and the long-term development of forestry economy will remain at the level of"high-quality coordination"for a long time from 2019 to 2030.Therefore,improving the level of forest management and maintaining the current trend of increasing forest resources are the key to achieving the goal of carbon peaking and carbon neutrality in China. 展开更多
关键词 Forest resources carbon stock Forest carbon sink Coupling coordination degree forestry economic development Long-term trend
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Developing a quantitative index system for assessing sustainable forestry management in Heilongjiang Province,China: a case study 被引量:4
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作者 Jin-shan Yang Feng-you Wang 《Journal of Forestry Research》 SCIE CAS CSCD 2016年第3期611-619,共9页
In this study, we developed a comprehensive index system for forestry sustainability of Heilongjiang Province, which includes forest resources sustainability,sustainable economic development, sustainable social develo... In this study, we developed a comprehensive index system for forestry sustainability of Heilongjiang Province, which includes forest resources sustainability,sustainable economic development, sustainable social development and sustainable advancement in science and technology. Based on this system and the regional forest development, we further evaluated the sustainability of Heilongjiang Province for year 2008-2013. The results show that even though the regional forestry has been preliminarily on the track of sustainable development, it is fragile. Four indicators, e.g. soil and water retention rate,forest stand growth(per unit area), the proportion of national investment and the annual carbon sequestration have important impact on the sustainability, with a weight of 39.0 % in all the indicators. We also analyzed the factors hindering the sustainable development. It turns out that soil and water retention rate, forest stand growth(per unit area),the proportion of science and technology funds, per capita GDP and the proportion of the tertiary industry production are the main factors hindering regional sustainable development, which accounts for 50.94 % of the total obstacle degrees in the system. At last, we discussed how to promote the regional sustainable development from the perspectives of forest resources sustainability, economic development sustainability, society development sustainability and the sustainable advancement of science and technology. 展开更多
关键词 Regional forestry Sustainable development Index system Empirical analysis
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A Geographic Information Systems approach for classifying and mapping forest management category in Baihe Forestry Bureau, Northeast China 被引量:2
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作者 WANG Shun-zhong SHAO Guo-fan +2 位作者 GU Hui-yan WANG Qing-li DAI Li-min 《Journal of Forestry Research》 SCIE CAS CSCD 2006年第3期211-215,共5页
This paper demonstrates a Geographic Information Systems (GIS) procedure of classifying and mapping forest management category in Baihe Forestry Burea, Jilin Province, China. Within the study area, Baihe Forestry Bu... This paper demonstrates a Geographic Information Systems (GIS) procedure of classifying and mapping forest management category in Baihe Forestry Burea, Jilin Province, China. Within the study area, Baihe Forestry Bureau land was classified into a two-hierarchy system. The top-level class included the non-forest and forest. Over 96% of land area is forest in the study area, which was further divided into key ecological service forest (KES), general ecological service forest (GES), and commodity forest (COM). COM covered 45.0% of the total land area and was the major forest management type in Baihe Forest Bureau. KES and GES accounted for 21.2% and 29.9% of the total land area, respectively. The forest management zones designed with GIS in this study were then compared with the forest management zones established using the hand draw by the local agency. There were obvious differences between the two products. It suggested that the differences had some to do with the data sources, basic unit and mapping procedures. It also suggested that the GIS method was a useful tool in integrating forest inventory data and other data for classifying and mapping forest zones to meet the needs of the classified forest management system. 展开更多
关键词 Classified forest management Key ecological service forest: GIS: Baihe forestry Bureau
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THE PROBLEMS AND MEDITATION OF PRACTICING NEWTAXATION SYSTEM PRACTICED IN FORESTRY
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作者 郑德胜 孙国华 《Journal of Northeast Forestry University》 SCIE CAS CSCD 1995年第4期83-87,共5页
After the new taxation system was practiced, the burden of forestry taxation was increased generally. How to extricate oneself from a predicament, it needs to draft tax reduction by the government. The revenue of both... After the new taxation system was practiced, the burden of forestry taxation was increased generally. How to extricate oneself from a predicament, it needs to draft tax reduction by the government. The revenue of both forestry products and multiple management should be exempted from taxation, the timber products logs of forest industry shouldn’t be imposed added-value tax, 8 percent tax on special products of agriculture and forestry levied by enterprise acting for tax bureau should be is delayed to pratice, the fund of for silviculture shouldn’t be imposed duties as taxable service. 展开更多
关键词 TAXATION systems Tax of special products forestry FUND for SILVICULTURE
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Ecosystem Management and Forestry
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作者 郝占庆 邓红兵 +1 位作者 代力民 王庆礼 《Journal of Forestry Research》 SCIE CAS CSCD 1999年第2期87-91,共5页
In this paper, the conceptions and developments of ecosystem and ecosystem ecology were reviewed and summarized. Then, the conception, connotation, objective, and development of ecosystem management were expounded. Ba... In this paper, the conceptions and developments of ecosystem and ecosystem ecology were reviewed and summarized. Then, the conception, connotation, objective, and development of ecosystem management were expounded. Based on these discussions, forest ecosystem management was discussed. The viewpoint was that the former unreasonable forest resources management should be changed, and forest ecosystem management was a suitable way to sustainable development of forestry. The chief research contents were also pointed out in this paper. 展开更多
关键词 ECOsystem ECOsystem MANAGEMENT FOREST forestry SUSTAINABLE DEVELOPMENT
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Establishment of Entrepreneurship Education and Practice System in Agricultural and Forestry Universities against the Background of New Countryside Construction
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作者 LIU Zimin 《Journal of Landscape Research》 2013年第Z2期21-23,26,共4页
Current entrepreneurship education and practices in colleges and universities of China against the background of new countryside construction were analyzed,and compared with foreign practices.SWOT analysis was adopted... Current entrepreneurship education and practices in colleges and universities of China against the background of new countryside construction were analyzed,and compared with foreign practices.SWOT analysis was adopted to further elaborate current entrepreneurship education and practices in agricultural and forestry colleges and universities of China.Driven by education courses and practices,a sound course and practice system was established by considering characteristics and specialties of agricultural and forestry colleges and universities,which was significant for undergraduates from agricultural and forestry colleges and universities who want to start their own business,and also for the construction of new socialist countryside. 展开更多
关键词 Agricultural and forestry COLLEGES and UNIVERSITIES ENTREPRENEURSHIP education Course and PRACTICE system
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Study on Construction of Forestry Socialized Service Systems Based on Barnard's Organizational Structure Theory
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作者 WANG Can-fu CHENG Xiao-qiu 《Agricultural Science & Technology》 CAS 2011年第4期603-607,共5页
Construction of forestry socialized service systems is the important content for reform of collective forestry tenure systems.Based on the necessity,possibility and problem of construction of forestry socialized servi... Construction of forestry socialized service systems is the important content for reform of collective forestry tenure systems.Based on the necessity,possibility and problem of construction of forestry socialized service system,according to Barnard's Organizational Structure theory,the path and countermeasure of forestry socialized service system in China are discussed. 展开更多
关键词 forestry Construction of socialized service systems Modern organizational structure theory
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Delivering forestry courses online:experiences,lessons learned,and future of forestry online education in the Asia Pacifi c
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作者 Anil Shrestha Jodi Crawford +4 位作者 Hailan Chen Shiyi Zhang Na Zhong Michelle Zeng Guangyu Wang 《Journal of Forestry Research》 SCIE CAS CSCD 2023年第4期1175-1194,共20页
Innovation in forestry education is needed to address changing contexts of the positionality of forests.This is particularly signifi cant in the Asia–Pacifi c region,where deforestation and degradation are high.Howev... Innovation in forestry education is needed to address changing contexts of the positionality of forests.This is particularly signifi cant in the Asia–Pacifi c region,where deforestation and degradation are high.However,the accessibility of high-quality forestry education to address changing regional and global contexts is lacking.A series of innovative sustainable forest management(SFM)open education resource(OER)courses were developed and implemented to improve the accessibility of SFM education to enhance teaching quality,curriculum,and research capacity of universities in the Asia-Pacifi c Region.To evaluate the SFM-OER program in terms of student experiences,this study investigated student achievement,perceived success of the pedagogical approach and instructional design,and perceived eff ectiveness of the learning activities in promoting active and transformative learning through the assessment of a 1,191-course feedback survey between 2018 and 2020,including the global pandemic.This study revealed that the program attracted diverse student demographics,including a higher proportion of female students majoring in forestry,ecology,and other environmental studies.Their primary motivation to participate in the courses was to gain international experience,followed by the fl exibility of online learning,mandatory course requirements,and earning course credits.Students were satisfi ed with the Canvas learning management system.Most students spent less than 5 to 10 h of their weekly time in the course and agreed or strongly agreed that the workloads were manageable.Students refl ected positively on various learning activities and assignments,such as watching lecture videos,taking quizzes,reading and summarizing,having discussions,and peer review writing.However,they did not clearly prefer specifi c learning activities,signifying the importance of using diverse learning activities to satisfy diverse individual learning styles in online settings.This analysis contributes to the further development of student-centered pedagogical development for online learning and provides insight into the ways forward for online higher forestry education,while repurposing existing OER courses in a post-Covid-19 era. 展开更多
关键词 Sustainable Forest Management Online forestry education Pedagogy innovation Covid-19 Lessons learned Asia Pacifi c
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Countermeasures for the Protection and Sustainable Development of Forestry Resources
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作者 Chunhua TANG Jialin GU 《Meteorological and Environmental Research》 CAS 2023年第4期67-69,共3页
Firstly,the problems of the protection and sustainable development of forestry resources were analyzed,such as lack of overall planning for the protection of forestry resources,insufficient investment in the protectio... Firstly,the problems of the protection and sustainable development of forestry resources were analyzed,such as lack of overall planning for the protection of forestry resources,insufficient investment in the protection of forestry resources,etc.Afterwards,the corresponding countermeasures were proposed,such as making overall planning for sustainable forestry development,increasing the investment in the protection of forestry resources,improving the forestry management system,etc. 展开更多
关键词 Protection of forestry resources Sustainable development PROBLEMS COUNTERMEASURES
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Riverscape Approach and Forestry Interventions for Ganga River Rejuvenation
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作者 Ombir Singh Shalini Dhyani +1 位作者 Ishtiyak Ahmad Peerzada Nimmala Mohan Reddy 《Open Journal of Forestry》 2023年第1期110-131,共22页
Rivers have been degraded globally due to various reasons over centuries and limiting their ecological health and value, including Ganga River in India. Riverscape approach can provide relevant information on riverine... Rivers have been degraded globally due to various reasons over centuries and limiting their ecological health and value, including Ganga River in India. Riverscape approach can provide relevant information on riverine resources needed in river restoration programmes. We propose a conceptual riverscape model to rejuvenate the holy river Ganga in India through forestry interventions after due consideration of ecological processes, mosaic of landforms, communities and environment within the large landscape of Ganga basin. The select riverscape area includes the area of 5 km and 2 km on either side of the river Ganga and important tributaries, respectively, all along the rivers in five stakeholder states of Uttarakhand, Uttar Pradesh, Bihar, Jharkhand, and West Bengal in the country. The width of the riverscape was taken from the maximum bank line in recent years on either side of river in the concerned state. However, all micro-watersheds in the hills of Uttarakhand state, being the origin place of river, have been included in riverscape area up to Haridwar. Here riverscape is a mosaic of different land uses viz., natural ecosystems, rural and agricultural ecosystems and built-up urban environment including flood plain and is an ecologically sustained system developed during the last 30 years due to river meandering all along the river. Geospatial modelling and GIS data on land use pattern, soil erosion rates, slope of the topography, etc. were used to classify riverscape area into high, medium and low priority areas to implement forestry interventions in delineated riverscape. Thereafter, forestry interventions were planned and carried out in three identified landscapes viz., Natural (forests), Agriculture (agroforestry), and Urban along with conservation activities. Forestry interventions in delineated riverscape are expected to increase water recharge<sup> </sup>and decrease the sedimentation load in the Ganga River and its tributaries. 展开更多
关键词 RIVERS LANDSCAPE Riverscape Land Use Ganga forestry Interventions
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Forestry Interventions and Groundwater Recharge, Sediment Control and Carbon Sequestration in the Krishna River Basin
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作者 Humachadakatte Ramachandra swamy Prabuddha Madan Prasad Singh +6 位作者 Prathima Purushotham Baragur Neelappa Divakara Tattekere Nanjappa Manohara Basavarajaiah Shivamma Chandrashekar Namasivayam Ravi Nimmala Mohan Reddy Ombir Singh 《Open Journal of Forestry》 2023年第4期368-395,共28页
It is a known fact that human activities have a significant impact on global rivers, making the task of rehabilitating them to their former natural state or a more semi-natural state quite challenging. The ongoing ini... It is a known fact that human activities have a significant impact on global rivers, making the task of rehabilitating them to their former natural state or a more semi-natural state quite challenging. The ongoing initiative called “Rejuvenation of Krishna River through Forestry Interventions” aims to contribute to the overall river rejuvenation program in the country. In this context, the effects of forestry interventions on the Krishna River will be evaluated based on water quantity, water quality, and the potential for carbon sequestration through plantation efforts. To assess the outcomes of this study, various methodologies such as Soil Conservation Service Curve Number (SCS-CN), Central Ground Water Board (CGWB) and Intergovernmental Panel on Climate Change (IPCC) have been utilized to estimate water savings, reduction in sedimentation, and carbon sequestration potential within the Krishna basin. The projected results indicate that the implementation of forestry plantations and soil and moisture conservation measures in the Krishna River rejuvenation program could lead to significant improvements. Specifically, the interventions are expected to enhance water recharge by 400.49 million cubic meters per year, reduce sedimentation load by 869.22 cubic meters per year, and increase carbon sequestration by 3.91 lakh metric tonnes per year or 14.34 lakh metric tonnes of CO<sub>2</sub> equivalent. By incorporating forestry interventions into the Krishna riverscape, it is anticipated that the quality and quantity of water flowing through the river will be positively impacted. These interventions will enhance water infiltration, mitigate soil erosion, and contribute to an improved vegetation cover, thereby conserving biodiversity. Moreover, they offer additional intangible benefits such as addressing climate change concerns through enhanced carbon sequestration potential along the entire stretch of riverine areas. 展开更多
关键词 forestry Interventions Krishna River Basin Sediment Control Water Recharge Carbon Sequestration
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Research on the Construction of Entrepreneurship Course Clusters for Students in Agriculture and Forestry Universities
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作者 Xiao Zhao 《Journal of Contemporary Educational Research》 2023年第6期37-41,共5页
Curriculum construction is the key factor in determining the quality of education.The innovation and entrepreneurship course clusters have effectively upgraded entrepreneurship courses in terms of talent cultivation,r... Curriculum construction is the key factor in determining the quality of education.The innovation and entrepreneurship course clusters have effectively upgraded entrepreneurship courses in terms of talent cultivation,resource integration,and educational practice.In response to the existing problems and difficulties in the construction of entrepreneurship course clusters in agricultural and forestry universities,suggestions and measures are proposed from macro-,meso-,and micro-level perspectives to reach a consensus on entrepreneurship education,construct interdisciplinary course clusters,and improve the quality and effect of education implementation.This provides a reference for agricultural and forestry universities to construct high-quality entrepreneurship course clusters. 展开更多
关键词 Agricultural and forestry universities University students Entrepreneurship education Entrepreneurship course Course clusters
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Forestry ecological footprint in China during 1973–2003 被引量:5
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作者 胡小飞 代力民 +1 位作者 谷会岩 熊晓波 《Journal of Forestry Research》 SCIE CAS CSCD 2006年第2期87-92,共6页
The ecological footprint (EF) model has received much attention as an assessment indicator for sustainable development in recent years. Firstly, the temporal changes of domestic timber production, imports and export... The ecological footprint (EF) model has received much attention as an assessment indicator for sustainable development in recent years. Firstly, the temporal changes of domestic timber production, imports and exports in China were analyzed from 1973 to 2003, the analysis results showed an apparent fluctuation in timber production during 1973-1995 but a decreasing trend during 1995-2002, an increasing trend in timber imports since 1995 especially after the implementation of the Natural Forest Protection Project (NFPP), an decreasing trend year by year in timber exports since 1995. Secondly, this paper presented a time series analysis of actual forest area demand in the sustainable yield and production approach in China from 1973 to 2003, which includes both import and export forest area demand. The results showed the actual forest area demand simulated from the sustainable yield approach was slightly higher than that from the production approach during 1978-1988 and a little lower during 1989-2003; however, the actual forest area demands simulated by these two model approaches were larger than calculations that expressed in conventional forest EF. Meanwhile, the results indicated the forestry development in China during 1978-1988 was unsustainable due to overexploitation of forest stocking volumes, and China's forestry moved toward sustainable development since 1989 because forest resources are exploited at lower rates than they are regenerated. However, compared to forestry developed countries, the forestry development capacity in China is still lower. Finally, based on the model results we analyzed the relationships between forestry EF and the key policies, including trade policy, economic policy and forest conservation programs. In addition, several suggestions about reducing forestry EF and enhancing sustainable forestry development in China are given. 展开更多
关键词 Ecological footprint Actual area demand Sustainable forestry China
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Evaluation on Service Function of Plain Forest Ecosystem in Northwest China 被引量:5
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作者 岳丹 马青 +2 位作者 法科宇 鲁肃 黄守科 《Agricultural Science & Technology》 CAS 2011年第4期584-587,共4页
[Objective] The paper aimed to evaluate the plain forestry' service function in Northwest China.[Method] Based on general and representative investigations with county used as the minimum unit,evaluation on service f... [Objective] The paper aimed to evaluate the plain forestry' service function in Northwest China.[Method] Based on general and representative investigations with county used as the minimum unit,evaluation on service function of plain forestry ecosystem in Northwest China was carried out by measuring the quality and quantity.[Result] In 2005,the plain forestry in Northwest China plays a profound role in water and soil conversation,carbon sequestration by vegetation and soil,oxygen release by plants,sulfur dioxide absorption and and so on.[Conclusion] This paper laid foundation for research on service function of plain forest ecosystem in Northwest China. 展开更多
关键词 Northwest China Plain forestry Ecosystem services EVALUATION
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Prevention and Utilization of Invasive Plants of Agriculture and Forestry in Guangdong Province 被引量:4
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作者 黄泽文 练惠通 +4 位作者 王禾军 张波 罗映鹏 邓建基 向安强 《Agricultural Science & Technology》 CAS 2014年第5期846-849,共4页
Guangdong has become a major"window" for invasive plants, and the largest zone, where cross-border and intercontinental migration frequencies reach the peak. The invasive plants in Guangdong are dominated by Mikania... Guangdong has become a major"window" for invasive plants, and the largest zone, where cross-border and intercontinental migration frequencies reach the peak. The invasive plants in Guangdong are dominated by Mikania micrantha, Eichhornia crassipes, Alternanthera philoxeroides, Eupatorium odoratum, and Wedelia trilobata. It is an important way for treating the invasive plants by exploring the prevention methods and making ful use of the characteristics of the invasive plants, and it is of great significance to prevent and utilize alien species in a scientific and effective way in order to control the invasive plants with minimal cost. 展开更多
关键词 Invasive plants GUANGDONG Prevention and utilization Agriculture and forestry
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Current situation of Chinese forestry tactics and strategy of sustainable development 被引量:3
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作者 陆兆华 吴钢 +1 位作者 马欣 柏广新 《Journal of Forestry Research》 SCIE CAS CSCD 2002年第4期319-322,338,共4页
Based on the analysis of the current situation of Chinese forestry and a series of ecological, environmental, eco-nomic, and social problems, this paper emphasized on the importance of forests in social and economic d... Based on the analysis of the current situation of Chinese forestry and a series of ecological, environmental, eco-nomic, and social problems, this paper emphasized on the importance of forests in social and economic development in China The author pointed out that sustainable development, particularly the sustainable development of forestry, is the inevitable choice to solve the problems of ecological environment and social economics. The objectives, criteria, and strategies of sus-taining forestry were also demonstrated and expounded, from the viewpoints of ecology, economics, and sociology. 展开更多
关键词 FOREST forestry Sustainable development Strategy Ecological environment China
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Accuracy of tree mapping based on hand-held laser scanning comparing leaf-on and leaf-off conditions in mixed forests
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作者 Frederico Tupinambá-Simões Adrián Pascual +3 位作者 Juan Guerra-Hernández Cristóbal Ordóñez Tiago de Conto Felipe Bravo 《Journal of Forestry Research》 SCIE EI CAS CSCD 2024年第5期14-25,共12页
The use of mobile laser scanning to survey forest ecosystems is a promising,scalable technology to describe forest 3D structures at high resolution.To confirm the con-sistency in the retrieval of forest structural par... The use of mobile laser scanning to survey forest ecosystems is a promising,scalable technology to describe forest 3D structures at high resolution.To confirm the con-sistency in the retrieval of forest structural parameters using hand-held laser scanning(HLS),before operationalizing the method,confirming the data is crucial.We analyzed the per-formance of tree-level mapping based on HLS under differ-ent phenology conditions on a mixed forest in western Spain comprising Pinus pinaster and two deciduous species,Alnus glutinosa and Quercus pyrenaica.The area was surveyed twice during the growing season(July 2022)and once in the deciduous season(February 2022)using several scan-ning paths.Ground reference data(418 trees,15 snags)was used to calibrate the HLS data and to assess the influence of phenology when converting 3D data into tree-level attrib-utes(DBH,height and volume).The HLS-based workflow was robust at isolating tree positions and recognizing stems despite changes in phenology.Ninety-six percent of all pairs matched below 65 cm.For DBH,phenology barely altered estimates.We observed a strong agreement when comparing HLS-based tree height distributions.The values exceeded 2 m when comparing height measurements,confirming height data should be carefully used as reference in remote sensing-based inventories,especially for deciduous species.Tree volume was more precise for pines(r=0.95,and rela-tive RMSE=21.3–23.8%)compared to deciduous species(r=0.91–0.96,and relative RMSE=27.3–30.5%).HLS data and the forest structural complexity tool performed remark-ably,especially in tree positioning considering mixed forests and mixed phenology conditions. 展开更多
关键词 Precision forestry Forest monitoring Mobile laser scanning Forest inventory
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Analysis of Textbook "Garden Plant Protection" Construction in Agricultural and Forestry Universities or Higher Vocational Colleges
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作者 马国胜 陈娟 《Journal of Landscape Research》 2009年第2期74-78,共5页
The survey of textbook 'Garden Plant Protection' was introduced in this study,and the necessity of textbook 'Garden Plant Protection' construction in agricultural and forestry universities or higher vo... The survey of textbook 'Garden Plant Protection' was introduced in this study,and the necessity of textbook 'Garden Plant Protection' construction in agricultural and forestry universities or higher vocational colleges was also analyzed.Aimed at the status of textbook 'Garden Plant Protection' construction in agricultural and forestry universities or higher vocational colleges,the corresponding ideas for its construction were put forward. 展开更多
关键词 Agricultural and forestry or HIGHER VOCATIONAL education GARDEN plant protection TEXTBOOK CONSTRUCTION
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Soil Organic Carbon Pool and Its Influencing Factors in Rubber Planted Forest Ecosystem at Different Ages in West Hainan Province 被引量:4
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作者 管利民 吴志祥 +2 位作者 杨川 谢贵水 周兆德 《Agricultural Science & Technology》 CAS 2012年第10期2163-2168,共6页
In this research,the contents of organic carbon in soil profiles in rubber forests in west of Hainan were measured and storage quantity of oganic carbon was estimated.The results indicated that contents of organic car... In this research,the contents of organic carbon in soil profiles in rubber forests in west of Hainan were measured and storage quantity of oganic carbon was estimated.The results indicated that contents of organic carbon in soils of ecosystem of rubber forests at different ages were 6.20-14.36 g/kg;organic carbon in soils of rubber forests reduced upon soil depth;the contents differed signigicantly in soils at 0-60 cm in rubber forest at 33 a,but differed little in soils in rubber forests at other ages;the contents were of significant differences in soils in rubber forests at different ages;organic carbon concentrated in soils at 0-30 cm;the storage quantities of organic carbon in rubber forests at 5,10,19 and 33 a were 76.85,74.48,81.74 and 85.31 t/hm^2.Climate,soil property,accumualtion and decomposition of fallen materials,forest age and management are dominant factors influencing accumulation of organic carbon in soils of rubber forest. 展开更多
关键词 Rubber planted forest forestry age Soil organic carbon
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