{"id":"0caf72a3-7e1a-46a7-a159-32e4e17bb7d0","title":"野外站点树木生材密度数据（2020）","title_en":"Data of green wood density of trees at field stations (2020)","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"野外站点树木生材密度数据以表格存储，文件名称为“Data of green wood density of trees at field stations.xlsx”。每个站点的数据在一个表中。","description":"数据采集地点包括甘肃祁连山森林站和党寨林场（2020年8月），东北虎豹国家森林公园西北沟及东侧（2020年10月）。数据采集要素有树种、胸径(cm)、树芯质量(g)、树芯长度(cm)、生材密度(g/cm^3) 。对树木1.3米处用生长锥进行了钻芯取样，树芯质量由电子天平测量得到，树芯长度由游标卡尺测量得到，树木生材密度数据通过测量计算得到。活立木密度观测仪收发天线放置在树木两侧，输入树种、胸径后每棵树采集5次数据，分别对每棵树5次测量结果进行平均后保存测量结果。","doi":"10.11888/Ecolo.tpdc.271776","projection":"","language":"zh","share_type":"offline","east":0.0,"west":0.0,"south":0.0,"north":0.0,"scale":null,"crs":null,"filesize":0.02,"share_policy":"c","ts_created":"2021-10-29T10:46:07.842205+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-11-01T10:17:48.374959+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"朱海峰","username":"zhuhf@itpcas.ac.cn","email":"zhuhf@itpcas.ac.cn","is_cancel_expert":false},{"user_name":"张扬建","username":"naqu3228","email":"zhangyj@igsnrr.ac.cn","is_cancel_expert":true}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"--","spatial_resolution":"--","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[666],"subtopics":{"metadata":"0caf72a3-7e1a-46a7-a159-32e4e17bb7d0","three_pole":null,"third_pole":null},"username":"陈世苹","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":363}