Results 11 to 20 of about 532 (138)

Effects of Shifting Cultivation on the Western Hoolock Gibbon (Hoolock hoolock) in Western Myanmar 刀耕火种对缅甸西部西部白眉长臂猿 (Hoolock hoolock) 的影响摘要

open access: yesIntegrative Conservation, Volume 4, Issue 3, Page 503-513, September 2025.
Fire occurrence increased with proximity to roads and villages, indicating that human access and activity are major drivers of fire risk. We analyzed spatial patterns of fire in relation to human settlements. Our findings highlight the need for fire management strategies that consider accessibility and human presence in conservation planning.
Aung Lin   +4 more
wiley   +1 more source

Analysis of Forestry Consumable Biological Assets Accounting Treatment: An Example of Papermaking Material Forest [PDF]

open access: yes, 2007
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
core  

China's Eco‐Civilisation, Climate Leviathan, and Hobbesian Energy Transition

open access: yesAntipode, Volume 57, Issue 3, Page 830-861, May 2025.
Abstract Scholars have hitherto tended to theorise China's ecological civilisation project either as a form of environmental authoritarianism or as a vision of eco‐socialism. This paper contributes to the conversation by conducting a textual analysis of Chinese scholarly discussions on eco‐civilisation.
David Chen
wiley   +1 more source

基于遥感技术的云南省生态系统水土保持价值测量

open access: yesShuitu Baochi Xuebao, 2006
利用遥感影像数据进行生态系统净初级生产力、植被覆盖度等生态参数的采集,同时间接用于土壤保持量和水土保持价值的计算,结合修改过的USLE模型,对云南省生态系统2001,2002,2003年水土保持价值进行了测算,利用NPP对估算结果进行调整.以考虑生态系统类型、结构与质量差异对水土保持价值的影响。结果表明:云南省生态系统2001,2002,2003年土壤保持量分别为131798.92,117845.5,104176.71万t,对应的价值量分别为:1933.351,1707.579,1566.783亿元 ...
于德永   +4 more
doaj   +2 more sources

植被控制水土流失机理及措施研究综述 [PDF]

open access: yes, 2004
本文总结了植被及其不同部分在控制水土流失中的作用 ,在此基础上总结了利用植被控制水土流失的方法措施和目前的研究热点 ,并提出现状研究中的不足和将来的研究前景。福建省重大科技项目 (项目编号 :2 0 0 2H0 0 ...
黄云凤
core  

Tianshui's Three Treasures: Water and Soil Conservation in Wartime Northwest China [PDF]

open access: yes, 2019
In addition to examining how wartime imperatives shaped the agricultural research, demonstration, and extension programs undertaken by the Nationalist government’s Tianshui Water and Soil Conservation Experiment Area (the Experiment Area) after its ...
Muscolino, Micah S
core  

Configuration and Selection of Salt-tolerant Landscaping Plant in the Gulf Boulevard of Xiamen [PDF]

open access: yes, 2009
实地调查了厦门海湾大道的基本概况,分析讨论了厦门海湾大道园林植物应用现状,提出了厦门海湾大道园林植物选择的原则、适宜的耐盐园林植物种类和具体配置模式的设想,以期为海湾大道的绿化工作提供借鉴与参考.The author investigated the basic profiles of the Gulf Boulevard in Xiamen,analyzed and discussed the application present situation of landscaping Plants ...
卞阿娜, 王文卿
core  

水土保持林有效覆盖率及其确定方法的研究

open access: yesShuitu Baochi Xuebao, 1996
水土保持林有效覆盖率是水土保持林建设中的一个重要指标。该术语虽出现较早且已被逐渐采用,但由于缺乏严格的定义和统一确定标准,以至水土保持林有效覆盖率数值从30%~75%,这严重影响了水土流失区林业生产的宏观决策。通过对水土保持林系统的详细分析,定义了水土保持林有效覆盖率为在一定防护范围内的土壤流失量等于允许流失量时的森林覆盖率:ae-bF=SLA。并指出有效覆盖率的确定涉及2个方面、3个步骤;水土保持林有效覆盖率为时间和空间的函数。此外还以黄土高原水土流失区为例,介绍了水土保持林有效覆盖率的确定方法。
郭忠升
doaj  

Eco-environment Vulnerability Analysis Based on Principal Component-Clustering Analysis Model:Taking Comprehensive Experimental Area of Pingtan as an Example [PDF]

open access: yes, 2014
目前对平潭综合实验区(平潭主岛)脆弱性评价方面的研究仅有地下水系统的脆弱性研究,对生态环境方面的脆弱性研究尚未见诸文献中。针对此情况,文章首先从自然因素、人为干扰因素和环境因素3个方面构建了生态环境脆弱性指标体系,然后运用主成分-聚类分析模型对平潭综合实验区的生态环境脆弱性进行分区。脆弱性分区结论为平潭综合实验区总体为中强度脆弱,其中极强脆弱区为白青乡,强度脆弱区为北厝镇和苏澳镇,中度脆弱区为中楼乡、澳前镇和敖东镇,轻度脆弱区为平原镇、潭城镇和流水镇,微脆弱区为芦洋乡。文章从增加防护林的面积和种类 ...
刘花台, 孟晋晋
core  

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