{"id":"59b4fe87-afee-4b83-bbd4-9006c5759694","title":"青藏高原东部高寒草甸区放牧家畜粪花粉组合特征及其环境指示意义数据（2017）","title_en":"Fecal pollen assemblages of grazing livestock in alpine meadow of Eastern Qinghai Tibet Plateau and their environmental implications (2017)","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":"该数据集以Excel格式存储，包含了5张工作表，依次是采样点基本信息.xls、坐标点.xls、原数据.xls、原数据百分含量计算过程.xls、百分含量.xls。数据文件可以用office软件打开，或可导入到关系型数据库系统，数据表涉及的统计单位：孢粉浓度%。","description":"本数据集是2017年7月，课题组在河南县和泽库县开展了野外植被样方调查和放牧家畜粪便样品采集工作。随机采集100 m×100 m区域内的同一种放牧家畜未风化的粪便5~10块，并混合为一个样品密封保存。共采集放牧家畜粪便样品49个，其中牦牛（Bosgrunniens）粪样品 30 个，马（Equus ferus caballus）粪样品11个，羊（Ovis aries）粪样品8个，对每个样点进行GPS定位，并记录取样点范围内植被群落和主要植被类型。每个样品取干重 2 g，样品处理前，每个样品加入 1 粒石松孢子片（27637±563 粒·片- 1）用以计算孢粉浓度。用10%的HCl除去钙质胶结，过200μm筛网除去较大粒径的植物残体，10%的 KOH 在 70 ℃下水浴除去有机质；再加入适量 40%的 HF 除去硅酸盐，最后在超声波振荡器中用7 μm的尼龙筛网富集孢粉，洗净后加甘油保存、制片。孢粉鉴定在400倍光学生物显微镜下进行并参考孢粉形态图谱和文献。应用 Tilia 软件绘制孢粉百分含量图。应用 Canoco5.0 软件对孢粉数据进行了主成分分析。本数据为评估青藏高原放牧家畜采食习性以及畜牧活动对区域植被的影响提供了新的研究思路和手段，也为今后在青藏高原开展考古遗址中保存的粪样品花粉分析，据此重建古植被群落和古人类生产活动信息，提供了重要的现代过程依据和借鉴资料。","doi":"10.11888/Paleoenv.tpdc.271265","projection":"","language":"zh","share_type":"offline","east":101.42,"west":101.3,"south":34.3,"north":35.06,"scale":null,"crs":null,"filesize":2.84,"share_policy":"c","ts_created":"2021-04-28T13:11:01.969077+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-28T14:34:58.864739+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":["82602369-b196-4804-b02e-09edb30e1a40"],"cite":null,"review_status":5,"review_invite":[{"user_name":"李育","username":"李育","email":"liyu@lzu.edu.cn","is_cancel_expert":false}],"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":"Yearly","spatial_resolution":"-","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[500,505,507],"subtopics":{"metadata":"59b4fe87-afee-4b83-bbd4-9006c5759694","three_pole":null,"third_pole":null},"username":"赵虎","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1184}