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浏览/检索结果: 共13条，第1-10条 帮助 限定条件 发表日期：2020     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序提交时间升序提交时间降序题名升序题名降序作者升序作者降序 Mapping monthly population distribution and variation at 1-km resolution across China 期刊论文 INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE, 2020, 页码: 19 作者:  Cheng, Zhifeng;  Wang, Jianghao;  Ge, Yong 收藏  |  浏览/下载：117/0  |  提交时间：2021/03/15 Population distribution  random forest  area-to-point kriging  China   Identification of Maize Yield Trend Patterns in the North China Plain 期刊论文 INTERNATIONAL JOURNAL OF PLANT PRODUCTION, 2020, 页码: 13 作者:  Zhang, Zemin;  Lu, Changhe 收藏  |  浏览/下载：9/0  |  提交时间：2021/03/16 Maize  Trend pattern  Yield stagnation  Net return  The north china plain   Assessing the value of electrical resistivity derived soil water content: Insights from a case study in the Critical Zone of the Chinese Loess Plateau 期刊论文 JOURNAL OF HYDROLOGY, 2020, 卷号: 589, 页码: 12 作者:  Sun, Hui;  Wang, Yunqiang;  Zhao, Yali;  Zhang, Pingping;  Song, Yi 收藏  |  浏览/下载：66/0  |  提交时间：2020/12/29 Deep soil  Electrical resistivity  Land use  Loessial soil  Soil condition  Soil water content   Urban Industrial Land Expansion and Its Influencing Factors in Shunde: 1995-2017 期刊论文 COMPLEXITY, 2020, 卷号: 2020, 页码: 12 作者:  Xiong, Chen;  Lu, Jiayi;  Niu, Fangqu 收藏  |  浏览/下载：3/0  |  提交时间：2021/03/16 Farmland abandonment and its determinants in the different ecological villages of the Koshi river basin, central Himalayas: Synergy of high-resolution remote sensing and social surveys 期刊论文 ENVIRONMENTAL RESEARCH, 2020, 卷号: 188, 页码: 12 作者:  Paudel, Basanta;  Wu, Xue;  Zhang, Yili;  Rai, Raju;  Liu, Linshan 收藏  |  浏览/下载：22/0  |  提交时间：2021/03/18 Farmland abandonment  Driving factors  UAV  Policy  Koshi river basin   Evaluation of food security based on DEA method: a case study of Heihe River Basin 期刊论文 ANNALS OF OPERATIONS RESEARCH, 2020, 卷号: 290, 期号: 1-2, 页码: 697-706 作者:  Zhan, Jinyan;  Zhang, Fan;  Li, Zhihui;  Zhang, Yue;  Qi, Wei 收藏  |  浏览/下载：8/0  |  提交时间：2021/07/09 Food security  Data Envelopment Analysis  Malmquist index  Big data  Heihe River Basin  Total factor productivity  Agricultural production efficiency   Effects of rural-urban migration on agricultural transformation: A case of Yucheng City, China 期刊论文 JOURNAL OF RURAL STUDIES, 2020, 卷号: 76, 页码: 85-95 作者:  Ge, Dazhuan;  Long, Hualou;  Qiao, Weifeng;  Wang, Zhiwei;  Sun, Dongqi 收藏  |  浏览/下载：18/0  |  提交时间：2021/03/23 Rural labor  Rural-urban migration  Rural transformation development  Agricultural transformation  Land use transition  Rural vitalization   Intraday weather conditions can influence self-report of depressive symptoms 期刊论文 JOURNAL OF PSYCHIATRIC RESEARCH, 2020, 卷号: 123, 页码: 194-200 作者:  Xu, Caijuan;  Wu, Weijia;  Peng-Li, Danni;  Xu, Peilin;  Sun, Dong 收藏  |  浏览/下载：6/0  |  提交时间：2020/05/18 Depressive symptoms  Intraday weather conditions  Gender difference  Age difference   Has Rural Migration Weakened Agricultural Cultivation? Evidence from the Mountains of Southwest China 期刊论文 AGRICULTURE-BASEL, 2020, 卷号: 10, 期号: 3, 页码: 63 作者:  Zhang Shaoyao;  Deng Wei;  Peng Li;  Zhou Peng;  Liu Ying 收藏  |  浏览/下载：33/0  |  提交时间：2020/05/18 genetic adaptation  positively selected gene  fast evolving gene  high elevation  karst cave  environmental gradient   Farmland transition in China and its policy implications 期刊论文 LAND USE POLICY, 2020, 卷号: 92, 页码: 14 作者:  Ma, Li;  Long, Hualou;  Tu, Shuangshuang;  Zhang, Yingnan;  Zheng, Yuhan 收藏  |  浏览/下载：48/0  |  提交时间：2020/05/19 Sustainable land use  Supply-demand perspective  Structure-function perspective  Food security  Urban-rural integrated development  Rural vitalization  Ecological civilization