{"id":"4cb755d8-c49c-42ad-bb20-18862bd84860","title":"巴尔喀什湖地区土壤剖面化学性质历史数据集（2010）","title_en":"Historical dataset of chemical properties of soil profile in the Balkhash lake area (2010)","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":"数据格式：Excel \n配有中文和俄文注释","description":"数据内容：巴尔喀什湖地区7个土壤剖面化学性质数据集。\n数据来源：2010年国家国际科技合作课题：气候变化对中亚地区土地生产力的影响对巴尔喀什湖地区土壤考察。\n数据质量：按照土壤发生学对土壤剖面进行了分层取样，分析测定项目包括：有机质含量、土壤总氮、碳氮比、碳酸盐含量、碳酸钙含量、阳离子交换量（Ca\\Mg\\Na\\K\\总量）、pH值、土壤速效养分（速效磷、速效钾和碱解氮）等。\n数据应用前景：具有精确坐标，可以进行历史数据对比研究。\n备注：样点1和样点2相距20 m; 样点3和样点4相距50 m。","doi":"10.11888/Soil.tpdc.270492","projection":"","language":"zh","share_type":"online","east":80.5825,"west":75.7316,"south":44.6235,"north":46.7617,"scale":null,"crs":null,"filesize":0.016,"share_policy":"a","ts_created":"2019-01-12T23:51:33.571481+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-20T00:08:16.892501+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"冉有华","username":"ryh","email":"ranyh@lzb.ac.cn","is_cancel_expert":false},{"user_name":"李建轩","username":"liujin834@live.com","email":"liujin834@live.com","is_cancel_expert":true},{"user_name":"秦军","username":"秦军","email":"shuairenqin@itpcas.ac.cn","is_cancel_expert":true}],"review_editor":{"id":42023,"last_login":"2022-03-24T09:37:33.507049+08:00","username":"yanmh","email":"yanmh@itpcas.ac.cn","is_active":true,"is_staff":true,"user_name":"闫梦还"},"data_sources":"","temporal_resolution":"","spatial_resolution":"","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"4cb755d8-c49c-42ad-bb20-18862bd84860","three_pole":null,"third_pole":"XDA20060301"},"username":"王晓蕾","review_time":null,"protected_duration":6,"protected_describe":null,"is_important":false,"hit_count":1433}