Results 21 to 30 of about 1,791 (107)
Abstract Primates, 69% of which are threatened with extinction, are the third most specious order of mammals. We used primates as model taxa to examine the umbrella effects of primates on ecosystem services and the protection of other vertebrates and seed plants in Yunnan Province, China.
Yin Yang +21 more
wiley +1 more source
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
Restoration of monoculture in protected and marginal areas can be organized into two phases (1) identification and prioritization of restoration sites based on remote sensing or field survey then assessing degradation level, and (2) implementation of appropriate restoration interventions.
Liang Song +9 more
wiley +1 more source
Occurrences of dust storms and long‐distance movement of dust across landscapes is constantly increasing in south Asia. This dust is expected to have profound impact on vegetation health and sustainability as dust may contribute to nutrient budgets of the forest ecosystems, while it could impart various stresses to the plants.
Shree P. Pandey +2 more
wiley +1 more source
杂交狼尾草是一种优良的多年生禾本科牧草,具有很好的水土保持能力,但人们对其水土保持方面的定量研究较少。通过对杂交狼尾草草地植被的持水能力、土壤水分变化、土壤抗冲性、渗透性等指标的研究,探讨杂交狼尾草的水土保持能力。结果表明:杂交狼尾草的持水能力强,能明显增加土壤水分含量,提高土壤的抗冲性、渗透性,在三峡库区的水土保持工作中有着广阔的应用前景。
王凭青 段传人 王伯初 刘万钱 朱蠡庆
doaj
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
根据多年对水土保持科学研究与治理的实践,结合近几年面上的调查结果,进一步提出了水土保持的指导思想;从8个方面总结了水土保持工作的基本经验:关于综合治理、关于基本农田建设、关于植被建设、关于养殖业、关于经济林、关于水土保持与区域经济发展、关于西部生态环境建设的特点和关于示范点的建设;阐明了当前水土保持工作的特点;指出了当前水土保持工作中存在的主要问题;最后提出了自己的建议。
卢宗凡
doaj +2 more sources
Abstract Globally, Indigenous peoples and local communities (IPs and LCs) are fighting for the recognition of their knowledge and decision‐making authority in freshwater conservation. In the Amazon, decision‐making around freshwater management and conservation has often overlooked Indigenous and local knowledge (ILK) and the connections between ...
Simone Athayde +8 more
wiley +1 more source
China's Eco‐Civilisation, Climate Leviathan, and Hobbesian Energy Transition
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
黄土高原生态脆弱,沟壑纵横,水土流失非常严重,究其原因主要是长期以来人们破坏植被的结果。西部大开发,水土保持特别是生态环境建设要先行,而水土保持又离不开植被建设。长期以来,人们已经认识到植被的重要性,但是关于植被在水土保持中的地位和作用,人们尚不太明确。为此,探讨了植被破坏对水土流失、生态环境的危害以及植被的各部分在保持水土方面的功效,认为植被措施具有极强的生态效益和社会效益,在水土保持中的地位是无可替代的,是水土保持的根本性措施。
卢金伟 李占斌
doaj

