干旱区研究 Pub Date : 2010-04-14 DOI: 10.3724/SP.J.1148.2009.00249

Yong-huan Ma, Li-hua Zhou, Yan Zhu, Bin Li

引用次数: 4

Numerical Study of Inverse Humidity over the Marginal Zone Between Oasis and Desert: Numerical Study of Inverse Humidity over the Marginal Zone Between Oasis and Desert 绿洲与沙漠边缘地带逆湿度的数值研究——绿洲与沙漠边缘地带逆湿度的数值研究

干旱区研究 Pub Date : 2010-04-14 DOI: 10.3724/SP.J.1148.2009.00277

Shi-qiang Chen, Shi-hua Lv, Yinhuan Ao, Yu Zhang, Suo Li, L. Shang, D. Ma

引用次数: 0

Progress and Prospects of Multi-scale Evaluation of Land Change: Progress and Prospects of Multi-scale Evaluation of Land Change 土地变化多尺度评价研究进展与展望——土地变化多尺度评价研究进展与展望

干旱区研究 Pub Date : 2010-04-14 DOI: 10.3724/SP.J.1148.2009.00187

G. Luo, Aiwu Zhang, Changying Yin, Lei Lu

引用次数: 0

Evaluation of the Carrying Capacity of Water Resources in the Shiyang River Basin Using Integrated Fuzzy Assessment: Evaluation of the Carrying Capacity of Water Resources in the Shiyang River Basin Using Integrated Fuzzy Assessment 石羊河流域水资源承载能力综合模糊评价方法应用于石羊河流域水资源承载能力综合模糊评价

干旱区研究 Pub Date : 2010-04-14 DOI: 10.3724/SP.J.1148.2009.00169

Yong-hong Su, Q. Feng, Wei Liu, G. Zhu, J. Si, Z. Chang, Xi Haiyang

引用次数: 0

A Comparative Study of the Individual Biomass and Modular Biomass of 70 Herbaceous Species Found in the Horqin Sandy Land: A Comparative Study of the Individual Biomass and Modular Biomass of 70 Herbaceous Species Found in the Horqin Sandy Land 科尔沁沙地70种草本植物个体生物量与模块生物量的比较——科尔沁沙地70种草本植物个体生物量与模块生物量的比较研究

干旱区研究 Pub Date : 2010-04-14 DOI: 10.3724/SP.J.1148.2009.00200

Xue-hua Li, Xiaolan Li, D. Jiang, Yongming Luo, Hongmei Wang

引用次数: 1

Chemical Properties of the Salt Crust Layer in Shelterbelts Under Drip Irrigation with Saline Water in a Mobile Desert: Chemical Properties of the Salt Crust Layer in Shelterbelts Under Drip Irrigation with Saline Water in a Mobile Desert 流动沙漠中盐水滴灌条件下防护林盐壳层化学性质:流动沙漠中盐水滴灌条件下防护林盐壳层化学性质

干旱区研究 Pub Date : 2010-04-14 DOI: 10.3724/SP.J.1148.2009.00255

Jianguo Zhang, Xinwen Xu, J. Lei, Haifeng Wang, Shengyu Li

引用次数: 1

Physiological Stress of Captive and Released Adult Male Przewalski’s Horses in Winter: Physiological Stress of Captive and Released Adult Male Przewalski’s Horses in Winter 圈养和放养成年普氏野马冬季生理应激:圈养和放养成年普氏野马冬季生理应激

干旱区研究 Pub Date : 2010-04-14 DOI: 10.3724/SP.J.1148.2009.00234

Ting-ting Cao, D. Hu, Xiao-jie Yu, Jie Cao, Kai Li, Feng Zhang

引用次数: 0

Analysis on the dynamic evolution of spatial pattern of the lake wetland landscapes in Yinchuan city. 银川市湖泊湿地景观空间格局动态演变分析

干旱区研究 Pub Date : 2010-04-09 DOI: 10.3724/SP.J.1148.2009.00333

Qu Xiaoyi, L. Xiaopeng, Shao Ningping

{"title":"Analysis on the dynamic evolution of spatial pattern of the lake wetland landscapes in Yinchuan city.","authors":"Qu Xiaoyi, L. Xiaopeng, Shao Ningping","doi":"10.3724/SP.J.1148.2009.00333","DOIUrl":"https://doi.org/10.3724/SP.J.1148.2009.00333","url":null,"abstract":"Regional ecological security is the foundation for sustainable development,and the lake wetlands are of vital importance for maintaining regional ecological security.In this paper,the dynamic evolution of the lake wetlands in Yinchuan is analyzed using landscape pattern index based on 3S technology.The results are as follows:(1) The characteristic values,such as the total,average and maximum areas of the lake wetland landscapes in Yinchuan,are in a gradual reduction trend since recent 20 years;(2) The internal hierarchical structure of the lake wetlands in Yinchuan is improved in some aspects,but the overall hierarchical structure is still fragile and unstable,for example,some characteristic indexes,such as the,FD and FS,were obviously better in 2004 than that in 1997,but there were still some gaps compared with that in 1987;(3) The driving forces resulting in the dynamic evolution of the lake wetland landscapes in Yinchuan include both the natural and artificial factors,such as the climate change,hydrological process,population growth,agricultural development activities and policy change,in which the artificial factors are dominant.According to the conclusions,some measures and suggestions are put forward,which can be referred in the ecological construction and the maintenance of ecological security in Yinchuan.","PeriodicalId":8385,"journal":{"name":"干旱区研究","volume":"26 1","pages":"333-339"},"PeriodicalIF":0.0,"publicationDate":"2010-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69820783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Sustainable Development Capability in the Huangshui River Basin in Qinghai Province Based on Analyzing the Ecological Footprint 基于生态足迹分析的湟水河流域可持续发展能力研究

干旱区研究 Pub Date : 2010-04-09 DOI: 10.3724/SP.J.1148.2009.00326

Zhao Chuan-chuan, Yang Xiao-yang, Zhang Feng-chen, Yang Xingzhong, Dong-Ling Xu, Xin Wen-rong

{"title":"Sustainable Development Capability in the Huangshui River Basin in Qinghai Province Based on Analyzing the Ecological Footprint","authors":"Zhao Chuan-chuan, Yang Xiao-yang, Zhang Feng-chen, Yang Xingzhong, Dong-Ling Xu, Xin Wen-rong","doi":"10.3724/SP.J.1148.2009.00326","DOIUrl":"https://doi.org/10.3724/SP.J.1148.2009.00326","url":null,"abstract":"Based on the ecological footprint theory and calculation method,in this paper the ecological footprint and ecological carrying capacity in the Huangshui River Basin in Qinghai Province during the period from 2000 to 2005 are estimated.The results show that the per capita ecological footprint was gradually increased from 1.426 5 hm2 in 2000 to 1.659 6 hm2 in 2005,the per capita ecological carrying capacity was decreased from 1.116 8 hm2 in 2000 to 1.056 9 hm2 in 2005,the per capita ecological deficit was increased from 0.443 8 hm2 in 2000 to 0.729 5 hm2 in 2005,and the ecological pressure index was increased from 1.45 in 2000 to 1.78 in 2005.All these facts reveal a downtrend of ecological status.It is predicted that the per capita ecological deficit and the ecological pressure index will be increased to 0.943 2 hm2 and 2.07 respectively in 2010,and the ecology in the Huangshui River Basin will be in an extreme insecurity if the current development mode is not changed.Moreover,with the increase of diversity index of ecological footprint from 1.03 in 2000 to 1.29 in 2005,the ecological footprint of ten thousand yuan GDP was decreased from 2.702 3 hm2 in 2000 to 2.215 6 hm2 in 2005,the development capacity was increased from 1.46 in 2000 to 2.14 in 2005,and it is predicted that the development capacity will be increased to 2.71 in 2010.Some measures and countermeasures are put forward for achieving sustainable development in the Huangshui River Basin based on the sustainable development theory.","PeriodicalId":8385,"journal":{"name":"干旱区研究","volume":"26 1","pages":"326-332"},"PeriodicalIF":0.0,"publicationDate":"2010-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69820937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The characteristics of the snow-cover and snowmelt water storage in Gurbantunggut Desert. 古尔班通古特沙漠积雪覆盖与融雪蓄水特征

干旱区研究 Pub Date : 2010-04-09 DOI: 10.3724/SP.J.1148.2009.00312

Zhou Hong-fei, Li Yan, Tang Ying, Zhou Baojia, Xu Hongwei

{"title":"The characteristics of the snow-cover and snowmelt water storage in Gurbantunggut Desert.","authors":"Zhou Hong-fei, Li Yan, Tang Ying, Zhou Baojia, Xu Hongwei","doi":"10.3724/SP.J.1148.2009.00312","DOIUrl":"https://doi.org/10.3724/SP.J.1148.2009.00312","url":null,"abstract":"Based on the field experiment and observation in the southern margin of the Gurbantunggut Desert,the characteristics of the snow distribution and snowmelt water storage in the sand soil,the efficiency of the snowfall water translated to soil water are analyzed and calculated.The main results including:(1) the snow in Gurbantonggut Desert belongs to \"Dry-cold type\" snow with low density.Based on snow depth,snow density and snow water equivalent,3 different periods of snow season are divided.There are snow accumulation period,snow maintenance period and snow melt period.The average snow density is changed between 0.14 to 0.27 g/cm3 in different period,and the average snow depth is 20 cm to 30 cm in general.(2) Spatial differences are existed for the snow-cover distribution.There are no regularity for the snow depths variation in the top,hill and foot of sand dunes.Compared with the topography,the main desert shrub—Haloxylon ammodendron with sparseness distribution has more evident effect for the snow-cover depth variation.(3) Vertical infiltration is the mainly hydrological process of the snowmelt water.There are no surface water delay and confluence process in the desert regions.The depth of wetted soil of the snowmelt water is about 40 cm to 80 cm.the wetted layer in top is deeper than flat land between sand dunes.(4) there is high water transfer and storage efficiency for the snowfall.78.8% to 92.0% of the snowfall water is transferred to the soil water.It is considered that the cold climate,sand dune topography,limited snowfall,low soil water content before the snowmelt and the high infiltration capacity are the main reason for the vertical infiltration and the high water transferred efficiency of the snowmelt water.","PeriodicalId":8385,"journal":{"name":"干旱区研究","volume":"26 1","pages":"312-317"},"PeriodicalIF":0.0,"publicationDate":"2010-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69821024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 25

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