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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 学科主题：Agronomy     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Landscape-level vegetation classification and fractional woody and herbaceous vegetation cover estimation over the dryland ecosystems by unmanned aerial vehicle platform 期刊论文 AGRICULTURAL AND FOREST METEOROLOGY, 2019, 卷号: 278 作者:  Wang, Haozhou;  Han, Dong;  Mu, Yue;  Jiang, Lina;  Yao, Xueling 收藏  |  浏览/下载：7/0  |  提交时间：2022/01/06 Dryland vegetation  Machine learning  Decision tree model  Digital orthophoto map  Otindag sandy land  Semi-arid ecosystem  Classification and regression tree (CART)   Changes of plant N:P stoichiometry across a 3000-km aridity transect in grasslands of northern China 期刊论文 PLANT AND SOIL, 2019, 卷号: 443, 期号: 1-2, 页码: 107-119 作者:  Wang, Xiao-Guang;  Lu, Xiao-Tao;  Dijkstra, Feike A.;  Zhang, Hai-Yang;  Wang, Xiao-Bo 收藏  |  浏览/下载：27/0  |  提交时间：2022/01/06 Ecological stoichiometry  Plant functional traits  Plant-soil interaction  Drought stress  N  P ratio  Nutrient cycling   Decomposition of 51 semidesert species from wide-ranging phylogeny is faster in standing and sand-buried than in surface leaf litters: implications for carbon and nutrient dynamics 期刊论文 PLANT AND SOIL, 2015, 卷号: 396, 期号: 1-2, 页码: 175-187 作者:  Liu, Guofang;  Cornwell, William K.;  Pan, Xu;  Ye, Duo;  Liu, Fenghong 收藏  |  浏览/下载：7/0  |  提交时间：2022/09/13 Carbon flux  Dryland  Leaf traits  Litter stoichiometry  Litter position  Microclimate   Increased precipitation induces a positive plant-soil feedback in a semi-arid grassland 期刊论文 PLANT AND SOIL, 2015, 卷号: 389, 期号: 1-2, 页码: 211-223 作者:  Ren, Haiyan;  Xu, Zhuwen;  Huang, Jianhui;  Lu, Xiaotao;  Zeng, De-Hui 收藏  |  浏览/下载：9/0  |  提交时间：2022/09/13 Nitrogen deposition  Nutrient concentration  Nutrient return  Productivity  Resorption efficiency  Temperate steppe