QQ客服 官方微博 反馈留言

浏览/检索结果: 共4条，第1-4条 帮助 限定条件 学科主题：Forestry     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：8/0  |  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)   Integrating stand and landscape decisions for multi-purposes of forest harvesting 期刊论文 FOREST ECOLOGY AND MANAGEMENT, 2005, 卷号: 207, 期号: 1-2, 页码: 233-243 作者:  Shao, GF;  Wang, H;  Dai, LM;  Wu, G;  Li, YS 收藏  |  浏览/下载：16/0  |  提交时间：2011/09/23 Changbai Mountain  Decision Support Systems  Forest Management  Forest Planning  Geographic Information Systems  Selective Cutting   Integrating stand and landscape decisions for multi-purposes of forest harvesting 期刊论文 FOREST ECOLOGY AND MANAGEMENT, 2005, 卷号: 207, 期号: 2015-01-02, 页码: 233-243 作者:  Shao, GF;  Wang, H;  Dai, LM;  Wu, G;  Li, YS 收藏  |  浏览/下载：18/0  |  提交时间：2015/10/28 Changbai Mountain  decision support systems  forest management  forest planning  geographic information systems  selective cutting   Integrating stand and landscape decisions for multi-purposes of forest harvesting 期刊论文 FOREST ECOLOGY AND MANAGEMENT, 2005, 卷号: 207, 期号: 1-2, 页码: 233-243 Shao, GF; Wang, H; Dai, LM; Wu, G; Li, YS; Lang, RL; Song, B 收藏  |  浏览/下载：20/0  |  提交时间：2011/09/23 Changbai Mountain  decision support systems  forest management  forest planning  geographic information systems  selective cutting