This paper aims to establish an index system for evaluation of agricultural resources use efficiency(ARUE) in grain production and discuss the causes of low efficiency and high consumption of agricultural resources in...This paper aims to establish an index system for evaluation of agricultural resources use efficiency(ARUE) in grain production and discuss the causes of low efficiency and high consumption of agricultural resources in Changshu of Jiangsu Province,Taihe of Jiangxi Province and Ansai of Shaanxi Province in China by analyzing the data about meteorology,soil,water consumption and grain production. Agro-ecological Zone(AEZ) method was adopted to calculate the potential productivity,and synthetically multivariate equation was used to evaluate the ARUE of study areas. This paper can be concluded as:1) the agricultural resources in grain production can be classified into five categories,i.e.,climatic resources,water resources,land resources,biological resources and assistant resources,and 15 indexes were selected to evaluate their use efficiency in grain production;2) the values of ARUE in grain production are 0.5868,0.6368 and 0.5390 respectively in Changshu,Taihe and Ansai;and 3) Changshu ranks the highest among the three study areas in terms of the use efficiency of climatic resources and biological resources(evaluation values are 0.0277 and 0.1530) ,but Taihe tops the three in terms of the use efficiency of water resources,land resources and assistant resources(evaluation values are 0.0502,0.2945 and 0.1379 respectively) . However,the ARUE remains always low in Ansai for all the resources. The inefficiencies are caused by poor grain revenue in Changshu,deficient agriculture investments in Taihe and unfavorable natural conditions in Ansai.展开更多
Significance of continuing traditional space image in the renovation of ancient city was analyzed. Taking the renovation of ancient Changshu City for example, traditional spatial characteristics of the ancient city we...Significance of continuing traditional space image in the renovation of ancient city was analyzed. Taking the renovation of ancient Changshu City for example, traditional spatial characteristics of the ancient city were summarized, and urban design techniques for continuing its space image were further explored. It was stressed that characteristic spatial structures should be continued, original spatial scales and ratios protected, so as to maintain integrality and unity of spatial interfaces.展开更多
Zhongxi Toyo permanent magnet motor project was contracted to settle in Changshu National High-Tech Zone on May 14. Zhongxi Toyo Permanent Magnet Motor Co., Ltd. is jointly established by China Rare and Rare Earth Co....Zhongxi Toyo permanent magnet motor project was contracted to settle in Changshu National High-Tech Zone on May 14. Zhongxi Toyo Permanent Magnet Motor Co., Ltd. is jointly established by China Rare and Rare Earth Co., Ltd., a subsidiary of CHINALCO Group, Toyo Electric Mfg. Co., Ltd., Japan's leading listed companies, and Beijing Lingyang Scientific & Trading Co., Ltd. The project will advance the production and sales of rare earth permanent magnet motor by taking manufacturing technology advantage of Toyo Electric Mfg. Co., Ltd., the material supply advantage of CHINALCO Group and the marketing advantage of Beijing Lingyang Scientific & Trading Co., Ltd.展开更多
The interactions among industrial development,land use/cover change (LUCC), and environmentaleffects in Changshu in the eastern coastal China wereanalyzed using high-resolution Landsat TM data in 1990,1995, 2000, and ...The interactions among industrial development,land use/cover change (LUCC), and environmentaleffects in Changshu in the eastern coastal China wereanalyzed using high-resolution Landsat TM data in 1990,1995, 2000, and 2006, socio-economic data and waterenvironmental quality monitoring data from researchinstitutes and governmental departments. Three phases ofindustrial development in Changshu were examined (i.e.,the three periods of 1990 to 1995, 1995 to 2000, and 2000to 2006). Besides industrial development and rapidurbanization, land use/cover in Changshu had changeddrastically from 1990 to 2006. This change was characterizedby major replacements of farmland by urban and ruralsettlements, artificial ponds, forested and constructed land.Industrialization, urbanization, agricultural structureadjustment, and rural housing construction were themajor socio-economic driving forces of LUCC inChangshu. In addition, the annual value of ecosystemservices in Changshu decreased slightly during 1990-2000, but increased significantly during 2000-2006.Nevertheless, the local environmental quality in Changshu,especially in rural areas, has not yet been improvedsignificantly. Thus, this paper suggests an increasedattention to fully realize the role of land supply inadjustment of environment-friendly industrial structureand urban-rural spatial restructuring, and translating theland management and environmental protection policiesinto an optimized industrial distribution and land-use pattern.展开更多
基金Under the auspices of National Natural Science Foundation of China (No. 70673097)
文摘This paper aims to establish an index system for evaluation of agricultural resources use efficiency(ARUE) in grain production and discuss the causes of low efficiency and high consumption of agricultural resources in Changshu of Jiangsu Province,Taihe of Jiangxi Province and Ansai of Shaanxi Province in China by analyzing the data about meteorology,soil,water consumption and grain production. Agro-ecological Zone(AEZ) method was adopted to calculate the potential productivity,and synthetically multivariate equation was used to evaluate the ARUE of study areas. This paper can be concluded as:1) the agricultural resources in grain production can be classified into five categories,i.e.,climatic resources,water resources,land resources,biological resources and assistant resources,and 15 indexes were selected to evaluate their use efficiency in grain production;2) the values of ARUE in grain production are 0.5868,0.6368 and 0.5390 respectively in Changshu,Taihe and Ansai;and 3) Changshu ranks the highest among the three study areas in terms of the use efficiency of climatic resources and biological resources(evaluation values are 0.0277 and 0.1530) ,but Taihe tops the three in terms of the use efficiency of water resources,land resources and assistant resources(evaluation values are 0.0502,0.2945 and 0.1379 respectively) . However,the ARUE remains always low in Ansai for all the resources. The inefficiencies are caused by poor grain revenue in Changshu,deficient agriculture investments in Taihe and unfavorable natural conditions in Ansai.
基金Supported by 2012 Philosophical and Social Science Foundation of Universities and Colleges(2012SJD760001)
文摘Significance of continuing traditional space image in the renovation of ancient city was analyzed. Taking the renovation of ancient Changshu City for example, traditional spatial characteristics of the ancient city were summarized, and urban design techniques for continuing its space image were further explored. It was stressed that characteristic spatial structures should be continued, original spatial scales and ratios protected, so as to maintain integrality and unity of spatial interfaces.
文摘Zhongxi Toyo permanent magnet motor project was contracted to settle in Changshu National High-Tech Zone on May 14. Zhongxi Toyo Permanent Magnet Motor Co., Ltd. is jointly established by China Rare and Rare Earth Co., Ltd., a subsidiary of CHINALCO Group, Toyo Electric Mfg. Co., Ltd., Japan's leading listed companies, and Beijing Lingyang Scientific & Trading Co., Ltd. The project will advance the production and sales of rare earth permanent magnet motor by taking manufacturing technology advantage of Toyo Electric Mfg. Co., Ltd., the material supply advantage of CHINALCO Group and the marketing advantage of Beijing Lingyang Scientific & Trading Co., Ltd.
基金This work was supported by the Knowledge Innovation Program of the Chinese Academy of Sciences(No.KZCX2-YWQN304)the National Natural Science Foundation of China(Grant Nos.40771014 and 40635029)the Ministry of Science and Technology of China(No.2007BAC03A11-01).
文摘The interactions among industrial development,land use/cover change (LUCC), and environmentaleffects in Changshu in the eastern coastal China wereanalyzed using high-resolution Landsat TM data in 1990,1995, 2000, and 2006, socio-economic data and waterenvironmental quality monitoring data from researchinstitutes and governmental departments. Three phases ofindustrial development in Changshu were examined (i.e.,the three periods of 1990 to 1995, 1995 to 2000, and 2000to 2006). Besides industrial development and rapidurbanization, land use/cover in Changshu had changeddrastically from 1990 to 2006. This change was characterizedby major replacements of farmland by urban and ruralsettlements, artificial ponds, forested and constructed land.Industrialization, urbanization, agricultural structureadjustment, and rural housing construction were themajor socio-economic driving forces of LUCC inChangshu. In addition, the annual value of ecosystemservices in Changshu decreased slightly during 1990-2000, but increased significantly during 2000-2006.Nevertheless, the local environmental quality in Changshu,especially in rural areas, has not yet been improvedsignificantly. Thus, this paper suggests an increasedattention to fully realize the role of land supply inadjustment of environment-friendly industrial structureand urban-rural spatial restructuring, and translating theland management and environmental protection policiesinto an optimized industrial distribution and land-use pattern.
