{"id":"796a6d12-8a2b-41c2-9d2f-4e141eca056f","title":"黑河排露沟流域青海云杉林样地调查数据集（2011）","title_en":"Forest investigation data about Qinghai spruce stand in Pailougou watershed (2011)","serial":"黑河计划","user_limit":"本数据由“黑河流域上游青海云杉林蒸散特征及其耗水机制研究”项目产生，用户在使用数据时请在正文中明确声明数据的来源，并在参考文献部分引用本元数据提供的引用方式","instructions":"excel 格式存储","description":"森林调查是应用测量、测树、遥感等各种专业技术与方法，调查、抽样及电算技术等手段，以了解特定范围内的森林数量、质量、分布和生长状况，为制定林业方针政策和科学经营森林，以及为科学研究提供基础数据。在祁连山排露沟流域，分别海拔2800m、2900m和3000m的阴坡，选择青海云杉林的样地各3个，样地01的样方大小为20*30m、样地02-09样方大小为20*35m。利用传统方法调查了青海云杉的树高、胸径、基径、冠幅等指标，为开展黑河上游青海云杉林的生态水文研究提供基础资料。","doi":"10.3972/heihe.007.2014.db","projection":null,"language":"zh","share_type":"offline","east":100.307,"west":100.286,"south":38.529,"north":38.558,"scale":null,"crs":null,"filesize":2.2,"share_policy":"c","ts_created":"2014-05-02T10:02:54+08:00","doi_type":"","ts_updated":"2021-04-18T12:01:13.232496+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":"EXCEL","project":[10,11,15],"specials":["4e7b97a6-ee1f-4b51-83e5-04a100993973"],"cite":"常学向, 黑河排露沟流域2011年青海云杉林样地调查数据集,黑河计划数据管理中心, 2014. doi:10.3972/heihe.007.2014.db","review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":null,"spatial_resolution":null,"license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[145],"subtopics":{"metadata":"796a6d12-8a2b-41c2-9d2f-4e141eca056f","three_pole":null,"third_pole":null},"username":"常学向","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":5668}