2024/8/9 The content of research has changed from theoretical exploration to practical application and is becoming increasingly rich. ... divisions of Yunnan Province, (d) topography احصل على السعر
2023/9/27 Key words: Biodiversity, biodiversity footprint, ecological civilization, ecological red line, sand mining in rivers. MA Sheng, WANG Huo, LI Ju. Sand mining in rivers in Lincang احصل على السعر
2020/10/1 This study aims to better understand, at a regional scale, the concentration and distribution of selected chemical elements in surface environments and the influence of natural احصل على السعر
2023/3/1 The most severe penalties consisted of the confiscation of the illegal sand mining equipment and fines, which ranged from 100,000 to 300,000 yuan for illegal mining without احصل على السعر
2020/1/1 A previous survey (Development and Planning Committee of Yunnan Province and Land Resource Bureau of Yunnan Province, 2004) found that areas exhibiting high احصل على السعر
Typical Geo-Hazards and Countermeasures of Mines in Yunnan Province, Southwest China Xianfeng Cheng 1,2, Wufu Qi 2, Qianrui Huang 2, Xueqiong Zhao 2, Rong Fang 2, Jun Xu 2 1 احصل على السعر
2020/1/1 The total area of soil erosion is 3.83 × 10 5 km 2; 84% is mountainous (Development and Planning Committee of Yunnan Province, Land Resource Bureau of احصل على السعر
A regional soil and river sediment geochemical study in Baoshan area, Yunnan province, southwest China . × ... (including: residential quarter and industrial and mining land, and 139 احصل على السعر
2015/4/1 Soil productivity is the capacity of soil to produce a particular plant or sequence of plants under a specified management system (Pierce et al., 1983, Mueller et al., 2010); احصل على السعر
Geotech Geol Eng Vol. 1234567891 3 a large amount of mountain deposites from the early stage. The study area is located in a low-latitude plateau, which is a typical sub-monsoon climate area.احصل على السعر
2018/4/1 Yunnan (97.31°–106.11°E, 21.8°–29.15°N) covers an area of 380454.36 km 2, of which 84% is mountainous, 10% is plateau and 6% is basins, the terrain of this province احصل على السعر
2023/9/1 The lake covers an area of 1042 square kilometres, accounting for 0.26% of the Yunnan province's land area, and the lake basin covers an area of 8110 square kilometres, احصل على السعر
2022/5/1 Yunnan Province, characterized by mountainous topography and varied elevation, is identified as one of the highest SOC regions in China (Yu et al. 2007).The احصل على السعر
2021/4/1 Yunnan province locates within the longitude of 97°31′39″ E-106°11′ 47″ E and the latitude of 21°08′32″ N-29°19′08″ N in southwest China ( Fig. 1a) (Duan et al., 2015;Ma et احصل على السعر
2024/6/1 Indicators 11 and 15 of the SDGs assume particular significance in this context. SDG 11 aims to create sustainable, inclusive, safe, and resilient cities, while SDG 15 focuses احصل على السعر
2021/12/1 Yunnan Province forms the southwest border of China, and is known to experience frequent natural disasters due to its complex topography, remarkable stereoscopic احصل على السعر
"Illegal sand mining vessels were mainly active at night to avoid police, but they caused multiple boat accidents in the waterway," Tang said. "The large-scale sand mining vessels can drill to a احصل على السعر
2021/9/30 Red River and associated faults, Yunnan Province, China: Quaternary geology, slip rates, and seismic hazard C. R. ALLEN Division of Geological and Planetary Sciences, احصل على السعر
2023/3/1 The most severe penalties consisted of the confiscation of the illegal sand mining equipment and fines, which ranged from 100,000 to 300,000 yuan for illegal mining without احصل على السعر
2021/12/1 Yunnan Province forms the southwest border of China, and is known to experience frequent natural disasters due to its complex topography, remarkable stereoscopic احصل على السعر
"Illegal sand mining vessels were mainly active at night to avoid police, but they caused multiple boat accidents in the waterway," Tang said. "The large-scale sand mining vessels can drill to a احصل على السعر
2021/9/30 Red River and associated faults, Yunnan Province, China: Quaternary geology, slip rates, and seismic hazard C. R. ALLEN Division of Geological and Planetary Sciences, احصل على السعر
2023/3/1 The most severe penalties consisted of the confiscation of the illegal sand mining equipment and fines, which ranged from 100,000 to 300,000 yuan for illegal mining without احصل على السعر
2024/10/20 A sand mining operation is seen along the Tsaruma River in Kyungchu county in Sichuan province, China, in this image posted Oct. 15, 2024, by Tibetan resident Tsongon احصل على السعر
2016/10/1 Mining-induced geo-hazards have caused enormous destruction and threat to mines. Known as the "kingdom of nonferrous metals" and located in Southwest China, Yunnan احصل على السعر
2012/7/1 This paper brings together data and analysis from two household surveys conducted by the authors in Yunnan Province in 2008 and early 2009: (i) A geographically احصل على السعر
A.P. Barton et al./Agriculture, Ecosystems and Environment 104 (2004) 343–357 345 Fig. 1. Location of Yunnan Province, China (Europa, 1997). cane, tea, rubber and tobacco are the احصل على السعر
2021/8/1 1.2.1 Sand Mining and Channel Hydrology. In terms of hydraulic consequence, mining induced channel flow changes the threshold limit of hydraulic variables of flow and احصل على السعر
2017/12/1 Distribution of 28 national level green mines as pilot units in Yunnan (A-Relationship of Dahongshan Fe Mine and Dahongshan Cu Mine; B-Distribution of 4 mines احصل على السعر
2023/9/27 Key words: Biodiversity, biodiversity footprint, ecological civilization, ecological red line, sand mining in rivers. MA Sheng, WANG Huo, LI Ju. Sand mining in rivers in Lincang احصل على السعر
Background. Three villages in Yunnan Province were identified to have abandoned arsenic mines severely contaminating the local water supplies. Other villages in the Province had similar احصل على السعر
2013/10/1 Evaluating Influences of the Manwan Dam and Climate Variability on the Hydrology of the Lancang-Mekong River, Yunnan Province, Southwest China October 2013 احصل على السعر
different land use types and zones in this region. This article constructs a localized USLE and estimates the average soil loss in the Jinsha River Region in Yunnan Province, one of the احصل على السعر