在内蒙古阿拉善左旗嘉尔嘎勒赛汉镇浩依尔呼都格嘎查选择典型退化的红砂—无芒隐子草草地为试验样地，样地总面积7000亩，放牧家畜为绵羊，开展退化草地封育恢复与更新复壮及持续利用技术研究。\n\n\n
", "ds_source": "于2016年5月份，选取1750亩样地，划分为10个小区，分别为Z1-Z10；每个小区内设置30m×30m的围封小区，分别标记为W1-W10；进行轮牧试验，轮牧处理（Ⅰ，Ⅱ，Ⅲ）的放牧介入时间如下表。试验监测植被指标为植物物种数、株数、高度及盖度，灌木新枝比例，禾草生殖枝比例。另外，以牧户居民点旁边的畜圈为起点，以直线方向向外辐射形成一个退化梯度，设置重度放牧样地（HG）、中度放牧样地（MG）、轻度放牧样地（LG）3个处理，分别标记为T1，T2，T3，各选择3个50m×50m的样地（3个重复）。调查植物群落特征，分析土壤理化性质、土壤团聚体组成及其稳定性，以期明确不同放牧强度对土壤养分状况及土壤质量的影响。\n\n\n
", "ds_process_way": "（1）土壤有机碳的测定；重铬酸钾氧化-分光光度法（HJ 615-2011）\n
（2）土壤质量 全氮的测定：凯氏法(HJ 717—2014)\n
（3）土壤速效磷测定：NaHCO3浸提——钼锑抗比色法\n
（4）土壤全磷测定：HClO4—H2SO4法\n
（5）土壤粒径测定：激光粒度法\n
（6）土壤容重测定：环刀法", "ds_quality": "
数据比较准确，达到精度要求。\n
", "ds_acq_start_time": "2017-07-01 00:00:00", "ds_acq_end_time": "2020-06-01 00:00:00", "ds_acq_place": "内蒙古阿拉善左旗,嘉尔嘎勒赛汉镇,浩依尔呼都格嘎查 ", "ds_acq_lon_east": 105.0, "ds_acq_lat_south": 38.0, "ds_acq_lon_west": 105.0, "ds_acq_lat_north": 38.0, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 267783, "ds_files_count": 3, "ds_format": "Excel", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "e15c87da-34b5-47aa-ad4b-fd9c2423e4ac.png", "ds_thumb_from": 0, "ds_ref_way": "左小安, 傅华, 牛得草, 高宝兰，内蒙古自治区阿拉善左旗退化草地稳定恢复的近自然补播与放牧介入技术实验的土壤数据集（2017-2020年），国家冰川冻土沙漠科学数据中心(http://www.ncdc.ac.cn/)，2022，doi：10.12072/ncdc.Dgrass.db2108.2022", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "ab053fbf-7b27-4c1a-b8e5-cab5b8f00480", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "10.12072/ncdc.Dgrass.db2108.2022", "subject_codes": [ "170.45" ], "quality_level": 3, "publish_time": "2022-05-20 09:30:24", "last_updated": "2022-06-17 16:38:44", "protected": false, "protected_to": "2024-10-12 00:00:00", "lang": "zh", "cstr": "11738.11.ncdc.Dgrass.db2108.2022", "i18n": { "en": { "title": "Soil data set of near natural supplementary sowing and grazing intervention technology experiment for stable restoration of degraded grassland in Alxa Left Banner, Inner Mongolia Autonomous Region (2017-2020)", "ds_format": "", "ds_source": " <p> In May 2016, 1750 acres of plots were selected and divided into 10 plots, namely Z1-Z10; each plot was set up with 30m × 30m enclosed plots, respectively marked as W1-W10; for rotation grazing experiment, rotation grazing The grazing intervention time for treatment (I, II, and III) is as follows. The vegetation indicators monitored in the experiment were the number of plant species, number of plants, height and coverage, the proportion of new branches of shrubs, and the proportion of reproductive branches of grasses. In addition, starting from the livestock pen next to the herdsmen’s residential area, radiate outward in a straight line to form a degradation gradient, and set up heavy grazing plots (HG), moderate grazing plots (MG), and light grazing plots (LG ) 3 treatments, labelled T1, T2, T3, and 3 50 m×50 m plots (3 repetitions) were selected for each. Investigate the characteristics of plant communities, analyze the physical and chemical properties of soil, the composition of soil aggregates and their stability, in order to clarify the effects of different grazing intensities on soil nutrient status and soil quality.\n <p> The data are more accurate and meet the accuracy requirements.\n <p> Haoyer Huduge Gacha, Saihan Town, Jia'ergale, Alxa Left Banner, Inner Mongolia, selected the typical degraded red sand-Silvergrass grassland as the test plot. The total plot area is 7000 mu, and the grazing livestock are sheep. , To carry out research on degraded grassland enclosure restoration, renewal and rehabilitation and sustainable utilization technology.\n <p> (1) Determination of soil organic carbon; potassium dichromate oxidation-spectrophotometry (HJ 615-2011)\n(2) Soil quality Determination of total nitrogen: Kjeldahl method (HJ 717—2014)\n
(3) Determination of soil available phosphorus: NaHCO3 extraction-molybdenum antimony colorimetric method \n
(4) Determination of total phosphorus in soil: HClO4-H2SO4 method \n
(5) Determination of soil bulk density: ring knife method\n
(6) Determination of soil respiration: combination of dynamic air chamber and infrared gas analyzer", "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": [ "土壤有机碳含量", "土壤全氮含量", "土壤全磷含量" ], "ds_subject_tags": [ "地理学" ], "ds_class_tags": [], "ds_locus_tags": [ "内蒙古阿拉善左旗", "嘉尔嘎勒赛汉镇", "浩依尔呼都格嘎查" ], "ds_time_tags": [ 2017, 2018, 2019, 2020 ], "ds_contributors": [ { "true_name": "左小安", "email": "zuoxa@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "傅华", "email": "fuhua@lzu.edu.cn", "work_for": "兰州大学草地农业科技学院", "country": "中国" }, { "true_name": "牛得草", "email": "xiaocao0373@163.com", "work_for": "兰州大学草地农业科技学院", "country": "中国" }, { "true_name": "高宝兰", "email": "wlthcyz@163.com", "work_for": "乌拉特后旗草原管理站", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "左小安", "email": "zuoxa@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" }, { "true_name": "傅华", "email": "fuhua@lzu.edu.cn", "work_for": "兰州大学草地农业科技学院", "country": "中国" }, { "true_name": "牛得草", "email": "xiaocao0373@163.com", "work_for": "兰州大学草地农业科技学院", "country": "中国" }, { "true_name": "高宝兰", "email": "wlthcyz@163.com", "work_for": "乌拉特后旗草原管理站", "country": "中国" } ], "ds_managers": [ { "true_name": "左小安", "email": "zuoxa@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": "生态" }