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ecosystem sensitivity
相关语句
  生态系统敏感性
     Ecosystem sensitivity assessment of Liaoning Province
     辽宁省生态系统敏感性评价
短句来源
     Based on the formation mechanisms of the main eco-environmental problems in Liaoning Province,this paper studied the regional differentiation patterns of ecosystem sensitivity,and analyzed the sensitivities of manifold eco-environmental problems in the Province.
     根据辽宁主要生态环境问题的形成机制,分析了生态系统敏感性的区域分异规律,并对多种生态环境问题的敏感性进行了综合分析。
短句来源
     The ecological vulnerability of the western Hainan Island was assessed using a combined landscape pattern and ecosystem sensitivity approach. Models were developed by considering the following five factors:(1) reciprocal of fractal dimension(FD),(2) isolation(FI),(3) fragmentation(FN),(4) sensitivity of land desertification(SD),and(5) sensitivity of soil erosion(SW).
     以海南岛西部地区为研究对象,选取分离度、分形维数、破碎度3个景观格局指标和土地沙化、土壤侵蚀2个敏感性指数,构建景观类型脆弱度和区域生态脆弱度模型,从景观格局与生态系统敏感性相结合角度探讨了区域生态环境脆弱性问题。
短句来源
  生态敏感性
     Analysis on the ecological vulnerability of the western Hainan Island based on its landscape pattern and ecosystem sensitivity
     基于景观格局和生态敏感性的海南西部地区生态脆弱性分析
短句来源
  “ecosystem sensitivity”译为未确定词的双语例句
     The results showed that the areas of high,medium,and low ecosystem sensitivity in the Province occupied 34%,62.66%,and 3.34 % of its total terrestrial area,respectively.
     结果表明,全省处于轻度至高度敏感区域,高度敏感区、中度敏感区、轻度敏感区分别占全省陆域面积的34.00%、62.66%和3.34%。
短句来源
     On the basic data of 34 eco-environmental factors of Shanghai, This dissertation adopted the Geological Information of System (GIS) method, evaluated eco-environment of Shanghai, including assessment of nature-society factors, the current eco-environment situation, regional ecosystem sensitivity and its service importance assessment.
     本文根据上海市自然、经济和社会的34种生态环境因素统计和资料,采用GIS地图分析技术和综合分析方法,进行了自然和社会要素分析、生态环境现状分析、生态环境敏感性和生态系统服务功能重要性评价。
短句来源
     Based on the analysis of some concepts of ecological function regionalization,we discussed its method, content and application in Anhui Province. Ecological function regionalization is a kind of geographical regionalization on the basis of ecosystem sensitivity, process and effect of ecosystem stress, ecosystem service importance, and integrality, continuity, homogeneity of a region.
     生态功能区划是依据区域生态环境敏感性、生态系统受胁迫的过程和效应、生态服务功能重要性及生态系统的整体联系性、空间连续性及相似性和相异性而进行的地理空间分区。
短句来源
     The ecosystem sensitivity characteristics of the Jiufengshan Forest Reserve of Wuhan City was studied by the grid analytic method. The importance of the sensitivity assessment and urban ecological security pattern before the construction are stressed from the macroscopic viewpoint.
     笔者以武汉市九峰山城市森林保护区规划为案例,阐述其自然生态系统的敏感特性分析方法,并提出从宏观角度对保护区进行建设前的敏感性分析和评价的必要性,以及对建立城市生态安全格局的重要意义。
短句来源
  相似匹配句对
     sensitivity;
     (5)灵敏度;
短句来源
     ecosystem
     生态系统
短句来源
     The sensitivity of ecosystem to acidic deposition in Guizhou
     贵州省生态系统对酸沉降的相对敏感性
短句来源
     Ecosystem sensitivity assessment of Liaoning Province
     辽宁省生态系统敏感性评价
短句来源
     Constitution of Ecosystem
     论生态宪法
短句来源
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  ecosystem sensitivity
Critical loads of acidity were calculated using the PROFILE model to assess the forest ecosystem sensitivity to acid deposition in the Asian part of Russia - Siberia.
      
Ecosystem sensitivity to acid deposition can be a basis for thederivation of cost-effective strategies to sulfur and nitrogenpollutant control, consequently is widely concerned around theworld.
      
Terrestrial ecosystem sensitivity to acid deposition in South China
      
The study is one part of a larger project encompassing mapping ecosystem sensitivity to acid deposition, wet chemistry measurements and atmospheric transfer modelling.
      
A method to assess and map a relative scale of terrestrial ecosystem sensitivity using international datasets is presented.
      
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Vegetation within the working area would be completely destroyed and the adjacent areas would be affected by the construction of West-East Pipeline Project. This will result in further environmental deterioration and serious water and soil loss, that will in turn threaten the safety of the west-east pipeline (WEPP) from the long term. Thus it is of highly significance to improve the regional ecosystem function and practical for the safe operation of pipeline to control the water and soil loss along the pipeline...

Vegetation within the working area would be completely destroyed and the adjacent areas would be affected by the construction of West-East Pipeline Project. This will result in further environmental deterioration and serious water and soil loss, that will in turn threaten the safety of the west-east pipeline (WEPP) from the long term. Thus it is of highly significance to improve the regional ecosystem function and practical for the safe operation of pipeline to control the water and soil loss along the pipeline with the purpose of establishing a friendly environmental system. In this paper, based on analysis of factors that affect ecosystem sensitivity to the water and soil loss, soil, vegetation, slope aspect and slope degree were selected as assessment indices to make an assessment of the water and soil loss sensitivity by assigning weight to each factor based on experts' knowledge under the support of GIS. Furthermore, according to overlay model of layer weightiness - classification marking and Fuzzy-classification, the study area within 10km of both sides along the pipeline was divided into four groups, which were the slightly sensitive area, the moderately-sensitive area, the sensitive area and the highly sensitive area. The spatial characteristic of sensitivity to water and soil loss was assessed and main reasons causing water and soil loss was then discussed. At last, basic measures of ecological recovery and friendly environment construction in term of the safety of both regional ecosystem and pipeline were discussed.

西气东输管道的建设将直接破坏施工区范围内的地表植被,导致区域生态环境的恶化和水土流失的进一步加剧,加剧的水土流失反过来会对西气东输管道的安全运行形成较大的威胁,甚至在某些严重地区,由于崩塌、滑坡和泥石流的发生,可能会直接破坏管道,影响其安全运行。如何控制管道工程沿线地区的水土流失,加强区域友好环境的构建,不仅对于提高区域生态系统的功能具有重要意义,而且对于管道工程的安全运行具有重要的实际价值。本文在系统分析影响区域水土流失敏感性因子的基础上,在GIS的支持下,选取土壤、植被类型、坡度和坡向作为评价指标,采用图层权重—叠加模型和模糊分级模型,以专家经验打分法对各指标进行赋值,评价了黄土高原地区西气东输管道工程沿线10km范围内水土流失的敏感性。根据研究结果将该区分为弱敏感、较敏感、敏感和高度敏感4类地区,并评价了水土流失敏感性的空间特征及其主要原因。在此基础上,从区域生态系统和管道工程的安全角度探讨了生态恢复和友好环境构建的基本措施。

Ecological function regionalization is a kind of geographic spatial division, which is based on the distribution of ecosystem stress and effect, ecological sensitivity and ecological service importance. The target of ecological function regionalization is to distinguish the regional ecological problems and ecological fragile areas, determine the prior protection ecosystems and regions, and to supply scientific basis for regional ecological protection, region-based ecosystem management and sustainable development....

Ecological function regionalization is a kind of geographic spatial division, which is based on the distribution of ecosystem stress and effect, ecological sensitivity and ecological service importance. The target of ecological function regionalization is to distinguish the regional ecological problems and ecological fragile areas, determine the prior protection ecosystems and regions, and to supply scientific basis for regional ecological protection, region-based ecosystem management and sustainable development. Taken Anhui Province as a case, regional ecosystem sensitivity and service importance assessment were carried out according to the established guidelines. The primary eco-environmental problems and their driving forces of study target were also extracted. With the help of GIS, the spatial distribution of ecosystem sensitivity and service importance were characterized. Based on the above assessment, the provincial ecological function regionalization was worked out, and the ecological protection and construction emphasis, target and measures of each ecological region were also recommended. It indicated that, with the stress of population and economic growth, the eco-environmental quality of Anhui Province is going worse, with the appearance of intensive utilization and lack of cultivated land, strong dependence of agricultural production on external input, resource deficit and function decline of forest ecosystem, diminution and threat of biodiversity, shrinking of wetland, heavy pollution of surface water, capability decrease of anti-disturbance and aggravation of ecological disasters. The extremely sensitive area takes 5.3% of the total provincial area, with distribution in the southern Wannan Mountain area, Huangshan and Jiuhuashan Mountain, northwestern and southeastern Dabie Mountain area. The highly sensitive area takes 19.3%, with distribution in Wannan and Dabie Mountain area. The sensitive area takes 36.8%, with distribution in the Huaibei Plain and hills. The slightly sensitive area takes 38.6% of the provincial area, with distribution in the Jianghuai Upland and Flatland area, Yangtze-River Plain area and mountain basin area. The most ecologically important area takes 4.8% of the provincial area, with distribution in the Wannan and Dabie Mountain area, Hill area along Yangtze-river, flood adjustment-store area of Huaihe River. The important-level area takes 21.5%, with distribution in outer belt area of mountain area, Jianghuai Upland and Flatland area, Huaibei hills. The relatively important area takes 73.7% of the provincial area, with distribution in the Huaibei Plain, Jianghuai Upland and Flatland area, Yangtze-river Plain area and mountain valley area. Based on the ecosystem assessment, five ecoregions, 16 sub-ecoregions and 47 eco-functional zones were subdivided by the method of “top-down” and with the support of GIS technology. The five eco-regions are: Huaibei Plain Eco-region, Jianghuai Upland and Flatland Eco-region, Wanxi Dabie Mountain Eco-region, Yangtze-river Plain Belt Eco-region and Wannan Mountain and Hill Eco-region. The application of the regionalization result was also discussed in this paper, which focus on the key area screening of ecological protection and construction, the encouraging and restricting profiles of regional development.

生态功能区划是依据区域生态系统类型、生态系统受胁迫过程与效应、生态环境敏感性、生态服务功能重要性等特征的空间分异性而进行的地理空间分区 ,其目的是明确区域或国家生态安全重要地区 ,分析区域可能的生态环境问题与生态环境脆弱区 ,为产业布局、生态环境保护与建设规划提供科学依据 ,为实施区域生态环境分区管理提供基础和前提。在对区域生态环境特征分析的基础上 ,依据建立的生态功能区划原则、方法和指标体系 ,以安徽省域尺度生态系统为对象 ,在生态系统受胁迫过程与效应、生态环境敏感性和生态系统服务功能等指标评价的基础上 ,以中国生态环境区划方案为背景 ,综合了自然因素与人类活动对安徽省生态系统叠加影响 ,形成了安徽省生态功能区划方案 ,将安徽省分为 5个生态区、16个生态亚区、4 7个生态功能区 ,为生态保护与建设的重点、目标、措施的确定以及区域产业结构与布局的调整提供了重要依据

Based on the analysis of some concepts of ecological function regionalization,we discussed its method, content and application in Anhui Province. Ecological function regionalization is a kind of geographical regionalization on the basis of ecosystem sensitivity, process and effect of ecosystem stress, ecosystem service importance, and integrality, continuity, homogeneity of a region. The ecological function regionalization of Anhui Province would be carried out under the guide of the determination...

Based on the analysis of some concepts of ecological function regionalization,we discussed its method, content and application in Anhui Province. Ecological function regionalization is a kind of geographical regionalization on the basis of ecosystem sensitivity, process and effect of ecosystem stress, ecosystem service importance, and integrality, continuity, homogeneity of a region. The ecological function regionalization of Anhui Province would be carried out under the guide of the determination of provincial eco-environmental problems and ecological fragile region and the related importance levels of different regions in the aspect of ecological security.

生态功能区划是依据区域生态环境敏感性、生态系统受胁迫的过程和效应、生态服务功能重要性及生态系统的整体联系性、空间连续性及相似性和相异性而进行的地理空间分区。作者在生态功能区划相关概念辨析的基础上,讨论了安徽省进行生态功能区划的方法与内容,并就其在生态安徽建设中的作用以及如何发挥其作用进行了分析。

 
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