Growth and Management Effect of Larix Principis-rupprechtii Plantation [PDF]
[Objective] The effect of growth and management of a Larix principis-rupprechtii plantation was analyzed in order to provide a reference for the scientific and rational management of L.
Jia Baoguang +6 more
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随着国家生态文明建设的发展,生态保护红线的地位日益凸显。本文提出基于情景分析的生态保护红线划定方法。以福建省永安市为例,通过权衡不同部门、当地群众意见及实地调研结果,设置不同的生态保护红线划定情景,将各方可接受的方案作为最终权衡方案。此方案既体现出生态保护,也为当地未来的发展预留出空间。本研究的划定方法能有效指导当地的"多规合一"和生态管治,为权衡妥协过程的技术方法提供支撑,增加决策的科学性。“国家生态文明试验区(福建)实施方案”项目——永安市空间规划(2016 ...
何书言 +4 more
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Analysis on spatial heterogeneity of ecological restoration demand in resource-based cities: taking Jiawang District of Xuzhou city as an example [PDF]
After a long period of coal resource exploitation in resource-based cities, the imbalance and disharmony between resource development and ecological protection in coal mining areas are prominent.
Huping HOU +4 more
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Spatial-temporal Variation and Driving Forces of Water Yield in Harbin City [PDF]
[Objective] The spatial-temporal variation characteristics of water yield services in Harbin City, Heilongjiang Province from 2000 to 2020 were determined, and the driving mechanism of the spatial-temporal differentiation characteristics of Harbin City’s
Hu Yuandong, Qi Yuxin
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Construction of Ecological Security Pattern and Identification of Key Regions Based on Ecological Assessment and Circuit Theory [PDF]
[Objective] The ecological security pattern of Anhui Province was constructed and the key areas of ecological restoration were identified in order to build an ecological basis for urban development, and to provide a scientific basis for the territorial ...
Chu Zhaojun +4 more
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Evaluation of Ecosystem Services and Tradeoff and Synergy in the Alpine and Canyon Region of Southwest China Based on Multi-source Geographic Data [PDF]
[Objective] The alpine and canyon region of Southwest China is a crucial ecological security barrier within the national “Three Zones and Four Belts” strategy, and it plays an essential role in ensuring national ecological security and promoting regional
GUAN Yinghui +4 more
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Effects of Land Use Change on Spatio-temporal Evolution of Ecosystem Service Value Profit and Loss in Irtysh River Basin [PDF]
[Objective] The correlation between land use changes and ecosystem service values were assessed to provide references for formulating appropriate land intervention policies. [Methods] The five-period land use data of the Irtysh River basin and the CLUE-S
Dai Lizheng +6 more
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分区边界的确定是生态分区的重要步骤,但目前多数水生态分区的边界确定以定性分析、专家判断为主。本研究以洱海流域为例,建立了一套两级分区体系。该体系基于GIS技术,用子流域作为分区基本单元,并用相关分析法,定量筛选一、二级分区指标。其中,一级分区指标为高程、坡度和植被归一化指数(NDVI),二级分区指标为农田百分比和城镇百分比。通过指标图层的叠加和重分类,合并同质性子流域,从而将洱海流域划分为5个一级区和9个二级区。藻类群落分布的验证结果表明分区合理。本研究将定量分析和子流域边界应用于水生态分区 ...
唐佳 +6 more
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Impacts of a New Round of Returning Farmland to Forests and Grasslands Project on Land Use Efficiency [PDF]
[Objective] The impacts mechanism and policy effectiveness of the implementation of a new round of the returning farmland to forests and grasslands project on land use efficiency in the Yellow River basin were analyzed in order to provide a theoretical ...
Xue Jianchun
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Analysis of Forestry Consumable Biological Assets Accounting Treatment: An Example of Papermaking Material Forest [PDF]
摘要2006年我国发布的《企业会计准则第5号-生物资产》首次全面地规范了生物资产的会计核算。鉴于生物资产尤其是林木类消耗性生物资产具有较强的特殊性,本文根据林业企业的特点和消耗性林木资产的特性,结合工作实际,对林木资产特别是消耗性林木资产会计核算中相关问题进行了较系统的分析。本文广泛搜集并深入分析了国内外有关林木资产会计核算研究情况,在分析消耗性林木资产特性的基础上,对消耗性林木资产的确认、会计计量、成本结转问题及借款费用资本化进行了研究,提出在今后修订生物资产准则和应用指南时 ...
郑剑军
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