{"id":"a6dff3fd-9b46-465f-a732-020854571f8b","title":"南川金佛山西坡滥坝箐次生林观测场土壤理化指标数据集","title_en":"Soil physical and chemical index dataset of secondary forest observation site in Lanba Qing, west slope of Jinfo Mountain, Nanchuan","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":"数据命名格式：\n命名规则为“YYYY.DDD.csv”，其中YYYY代表年份，DDD代表一年某一天。","description":"本数据集的生产过程严格遵循土壤检测规范，由金佛山国家野外站工作人员全程操作，核心围绕重庆市南川区山王坪次生林观测场的土壤样品展开。前期，工作人员在次生林观测场内科学布设采样点位，兼顾林分分布特点，采用标准化方法采集土壤样品，采集后及时封装、标记，严格避免样品污染、失水，确保样品理化性质稳定。后续将样品送至专业实验室，按照规范流程系统检测，重点测定碱解氮、速效钾、有效磷、全磷、全钾含量，同时精准检测土壤粒度及碳、氮、硫元素含量。","doi":"","projection":"WGS84","language":"zh","share_type":"offline","east":110.2,"west":97.3,"south":21.1,"north":34.4,"scale":null,"crs":null,"filesize":4.63,"share_policy":"c","ts_created":"2026-04-16T12:48:58.827722+08:00","doi_type":"拥有自主知识产权","ts_updated":"2026-04-16T15:06:20.629714+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[10],"specials":[],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":"Yearly","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"a6dff3fd-9b46-465f-a732-020854571f8b","three_pole":null,"third_pole":null},"username":"weber","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":21}