退化高原湿地,degraded plateau wetland
1)degraded plateau wetland退化高原湿地
2)wetland degradation湿地退化
1.In this paper, the characteristics ofwetland degradation in China were introduced from the aspects of functional area loss, material and energy imbalance, structure breakage, and ecological function impairment, and the causes of the degradation were summarized from natural and human’s aspects, respectively.从湿地功能面积减少、湿地系统物质能量流失衡、湿地组织结构破坏、湿地生态功能减弱等4个方面着重介绍了中国湿地的退化特征;从影响湿地退化的自然和人为因素共同作用角度系统分析了其退化的原因;并介绍了湿地退化评价的3大技术体系。
2.In the typical sampling zone ofwetland degradation which means primitive .研究表明,不同退化程度的湿地土壤具有不同的土壤物理性质,在未退化湿地→轻度退化湿地→中度退化湿地→重度退化湿地→已垦湿地(农田)的湿地退化研究样带上,湿地土壤温度呈现逐渐升高的变化趋势、土壤电导率呈降低变化、土壤水分呈降低趋势、土壤容重则呈现升高的变化规律。
3.The climatic background and major climate causes for thewetland degradation in the Qinghai-Xizang Plateau were explored through analysis on the trends of precipitation, temperature and sunshine factors and their ecological effects in 4 wetland research sites chosen.根据对与青藏高原湿地退化有关的水分、温度和日照等气候背景条件变化趋势及其生态环境效应的研究结果,认为全球和区域气候变化是青藏高原湿地退化的重要原因,其中年度内降水不均匀性的增加、日照时数的延长以及气温与地温的升高对高原湿地水分丧失和退化有着重要的影响,而主要气象要素在中小尺度上时空分配状态的变化和局地气候特征的改变则可能是湿地退化的更直接的原因和动力。
英文短句/例句
1.The Degradation, Present Condition and Protection of the East Mud Flat of Chongming Island;上海市崇明东滩湿地生态服务功能、湿地退化与保护对策
2.Status and Causes of Wetland Degradation of Maqu County in Upriver of the Yellow River and Its Protection Countermeasures;黄河上游玛曲县湿地退化现状、成因及保护对策
3.Study on the Loss and Degradation and Sustainable Countermeasures of the Coastal Wetlands in China;我国滨海湿地退化与可持续发展对策研究
4.Research on the Effect of Wetland Degradation on the Accumulation of Organic Carbon and Total N in Napahai纳帕海湿地退化对碳氮积累影响的研究
5.The status and the causes of wetland degradation in the source regions of Yangtze River and Yellow River江河源区的湿地退化现状与驱动力分析
6.Response of Soil Nutrients to Wetland Degradation in Mu Us Sandy Land毛乌素沙区土壤养分对湿地退化的响应
7.Externality Reasons on Wetlands Degradation and Its Ecology Compensation Suggestions湿地退化的外部性成因及其生态补偿建议
8.Analysis of the Degradations of Coastal Wetlands in Southern Laizhou Bay During Last 20 Years and the Mechanisms近莱州湾南岸滨海湿地退化及其原因分析
9.Restoration Technique of the Degraded Ecosystem of Swamp in Xiaoxing"an Mountains小兴安岭山地沼泽湿地退化生态系统恢复技术研究
10.A Review on the Ecological Restoration of Degraded Estuarine Wetlands in China中国退化河口湿地生态恢复研究进展
11.Landscape assessment on wetland degradation during thirty years in Jiansanjiang region of Sanjiang Plain,Northeast China三江平原建三江地区30年湿地景观退化评价
12.Research on the Features of Soil Physical and Chemical Properties in Tuwei-river Source Area秃尾河河源区退化湿地土壤理化性质特征研究
13.Mechanism and Process of Soil Degradation in Napahai Wetland on Yunnan Plateau;云南纳帕海高原湿地土壤退化过程及驱动机制
14.The Environmental Change and Degradation of Modern Yellow River Delta Coastal Wetland;现代黄河三角洲滨海湿地环境演变及退化研究
15.Studies on Indicator System for Napahai Wetland Ecosystem Degradation Degree Evaluation;纳帕海湿地生态系统退化评价指标体系研究
16.Ecological Restoration on Wetland of the Loushan River Estuary, Jiaozhou Bay, Qingdao;胶州湾娄山河口退化滨海湿地的生态修复
17.The Study of the Evolution and Degradation of the Typical Coastal Wetland in Hebei Province;河北省典型滨海湿地演变与退化状况研究
18.Recovery Strategies of Degradation Wetland Ecosystem in Poyang Lake鄱阳湖退化湿地生态系统恢复策略初探
相关短句/例句
wetland degradation湿地退化
1.In this paper, the characteristics ofwetland degradation in China were introduced from the aspects of functional area loss, material and energy imbalance, structure breakage, and ecological function impairment, and the causes of the degradation were summarized from natural and human’s aspects, respectively.从湿地功能面积减少、湿地系统物质能量流失衡、湿地组织结构破坏、湿地生态功能减弱等4个方面着重介绍了中国湿地的退化特征;从影响湿地退化的自然和人为因素共同作用角度系统分析了其退化的原因;并介绍了湿地退化评价的3大技术体系。
2.In the typical sampling zone ofwetland degradation which means primitive .研究表明,不同退化程度的湿地土壤具有不同的土壤物理性质,在未退化湿地→轻度退化湿地→中度退化湿地→重度退化湿地→已垦湿地(农田)的湿地退化研究样带上,湿地土壤温度呈现逐渐升高的变化趋势、土壤电导率呈降低变化、土壤水分呈降低趋势、土壤容重则呈现升高的变化规律。
3.The climatic background and major climate causes for thewetland degradation in the Qinghai-Xizang Plateau were explored through analysis on the trends of precipitation, temperature and sunshine factors and their ecological effects in 4 wetland research sites chosen.根据对与青藏高原湿地退化有关的水分、温度和日照等气候背景条件变化趋势及其生态环境效应的研究结果,认为全球和区域气候变化是青藏高原湿地退化的重要原因,其中年度内降水不均匀性的增加、日照时数的延长以及气温与地温的升高对高原湿地水分丧失和退化有着重要的影响,而主要气象要素在中小尺度上时空分配状态的变化和局地气候特征的改变则可能是湿地退化的更直接的原因和动力。
3)degraded wetland退化湿地
1.A study was carried out to comparedegraded wetlands with farmland in nutrient content in the surface soil 0-30 cm deep.退化湿地与农田土壤养分的对比研究结果表明,4种样地类型0—30 cm土层土壤有机质含量为水田>沼泽化草甸>旱田>典型草甸,全氮含量差异与有机质含量差异相一致,速效磷含量为水田>旱田>沼泽化草甸>典型草甸。
2.Studies were made on nutrients and soil enzyme activities ofdegraded wetland in Napahai.对滇西北纳帕海退化湿地土壤养分与酶活性的系统研究表明:人为活动干扰下不同湿地类型间土壤养分及酶活性存在明显差异;土壤有机质、全氮含量从原生沼泽向沼泽草地、草地、耕地逐渐减少;土壤脲酶、蔗糖酶、蛋白酶和过氧化氢酶的活性大小顺序也呈现出相同的趋势,多酚氧化酶则与此相反。
3.So, study the physical and chemical properties ofdegraded wetland soils help to investigate the cause of wetland degraded and provide theoretical basis for wetlands ecosystem protecting.因此研究退化湿地土壤的理化性质,不仅有助于我们了解毛乌素沙区湿地退化的原因,还为进一步保护湿地生态系统提供了理论依据。
4)Plateau Wetland高原湿地
1.Ecological Structure ofPlateau Wetlands and Functional Zoning of Wetland Reserves;高原湿地生态结构特征与湿地保护区功能分区探讨
2.The prevalent and traditional method of foundation treatment in plateau wetland area is to adopt pile system.针对内蒙古高原湿地软路基的特殊土质,结合碎石桩和土工格栅在地基加固中的作用特点,提出用碎石桩与土工格栅联合加固的方案来处理穿越高原湿地的软弱路基。
3.In the plateau wetland highway design and increasing the large investment in the re-routes, the wetland weak foundation must be deal with.高原湿地高速公路设计中,在改线需要大幅度增加投资的情况下,而不得不对路线穿越的湿地软弱地基进行处理。
5)Plateau wetlands高原湿地
1.This study analyzed spatial and temporal changes of land use/land cover in Jiantang Township of Shangri-La County,where three plateau wetlands(Napahai Lake,Bitahai Lake and Shudu Lake) located,by comparing classified Landsat TM(ETM) images from 1974,1987 and 2000 coupled by GIS analysis,and patterns of landscape dynamics by using the spatial pattern analysis software(FRAGSTATS).以纳帕海、碧塔海和属都湖三块高原湿地所在的云南省香格里拉县建塘镇为例,在遥感和GIS技术的支持下,对该区域1974、1987和2000三期Landsat TM(ETM)影像进行了解译,分析了26 a间的土地利用/覆盖变化规律,并结合景观格局动态分析的方法,借助FRAGSTATS软件定量分析了该区景观格局特征及其动态变化。
6)thermal and hydrothermal degradation高温及湿热退化
延伸阅读
退化分子式：CAS号：性质：(一)即衰退。生物物种因发生变异而使原有遗传性状发生对其自身生存或(和)对人类实践应用带来不利影响的改变，例如工业发酵菌种(株)生产能力的下降，植物病原菌寄生能力的下降，以及有关菌种其他形态、生理、遗传、生态等性状的非典型化改变等。(二)历经每次复制后，与最初的或前次的图像相比较，其图像质量的变化。这种退化是以分辨率、边缘锐度、图形尺寸的变化和缺陷密度来度量的。一般可以预示这种退化因每次复制而加剧。
