在选定流动沙丘设置背风坡下、背风坡中、背风坡上、丘顶、迎风坡上、迎风坡中、迎风坡下等7个坡位，垂直于坡向方向设置1个50cm×20cm的调查样方。\n
(1)2017年3月各坡位分别取3份土壤混匀带回实验室进行种子萌发实验。\n
(2)2017年4月-8月在每个调查样方调查幼苗和成株物种丰富度、群落盖度和群落密度。", "ds_source": "
在选定流动沙丘设置背风坡下、背风坡中、背风坡上、丘顶、迎风坡上、迎风坡中、迎风坡下等7个坡位，垂直于坡向方向设置1个50cm×20cm的调查样方。", "ds_process_way": "
(1)2017年3月各坡位分别取3份土壤混匀带回实验室进行种子萌发实验。\n
(2)2017年4月-8月在每个调查样方调查幼苗和成株物种丰富度、群落盖度和群落密度。", "ds_quality": "
数据质量良好。", "ds_acq_start_time": "2017-04-01 00:00:00", "ds_acq_end_time": "2017-08-31 00:00:00", "ds_acq_place": "奈曼旗境内", "ds_acq_lon_east": null, "ds_acq_lat_south": null, "ds_acq_lon_west": null, "ds_acq_lat_north": null, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "login-access", "ds_total_size": 13161, "ds_files_count": 2, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "23c2402d-2f57-4ba6-84e8-814e18658e95.jpg", "ds_thumb_from": 0, "ds_ref_way": "", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "8534e8f7-cbd5-4771-81d6-d524ffde0065", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "10.12072/ncdc.ZDYF.db1675.2022", "subject_codes": [ "170.4510" ], "quality_level": 3, "publish_time": "2022-02-18 14:33:18", "last_updated": "2025-06-30 11:29:10", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.ZDYF.db1675.2022", "i18n": { "en": { "title": "Seed bank, seedling and adult plant survey data for soils of tall and gently flowing dunes in the Kerchin Sandlands (April-August 2017)", "ds_format": "excel", "ds_source": "
Seven slopes were set up in the selected mobile dunes, including under the leeward slope, in the leeward slope, on the leeward slope, on the top of the mound, on the windward slope, in the windward slope, under the windward slope, etc., and one 50cm×20cm sample plot was set up perpendicularly to the direction of the slope direction.", "ds_quality": "
Good quality data.", "ds_ref_way": "", "ds_abstract": "
Seven slopes were set up in the selected mobile dunes, including under leeward slope, middle leeward slope, upper leeward slope, top of the mound, top of the windward slope, middle windward slope, and under the windward slope, and one 50cm×20cm survey sample plot was set up perpendicular to the direction of the slope direction.\n
(1) Three soil mixes were taken from each slope position in March 2017 and brought back to the laboratory for seed germination experiments.\n
(2) Seedling and adult plant species richness, community cover and community density were investigated in April-August 2017 at each survey sample plot.
", "ds_time_res": "", "ds_acq_place": "Within the territory of Naiman Banner", "ds_space_res": "", "ds_projection": "", "ds_process_way": "(1) Three soil mixes were taken from each slope in March 2017 and brought back to the laboratory for seed germination experiments.\n
(2) Seedling and adult plant species richness, community cover and community density were investigated in April-August 2017 at each surveyed sample site.", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "recommendation_value": 0, "license_type": "https://creativecommons.org/licenses/by/4.0/", "doi_reg_from": "reg_local", "cstr_reg_from": "reg_local", "doi_not_reg_reason": null, "cstr_not_reg_reason": null, "is_paper_in_submitting": false, "ds_topic_tags": [ "流动沙丘", "土壤种子库", "幼苗定植" ], "ds_subject_tags": [ "自然地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "奈曼旗境内" ], "ds_time_tags": [ 2017 ], "ds_contributors": [ { "true_name": "李玉霖", "email": "liyl@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "李玉霖", "email": "liyl@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "ds_managers": [ { "true_name": "敏玉芳", "email": "myf@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "category": "沙漠与荒漠化" }