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Inflammation from Erhai Lake Biwa management experience

Land reclamation, aquaculture, fishing port; downstream water well made and so on. Shoreline management plans to build 50 kilometers by road, has been basically completed; into the lake, river alterations to Article l3. Completion of Article l2; establish a county waterworks l2. Completion of a Rex l1} completed field crop JI 『weir reconstruction work; South Lake outlet Seta River dredging completed crop is in progress; complete compensation measures to channel 65. Being 4; industrial water channel l7 months completed. Irrigation of agricultural water facilities shall be 1.7 acres, has been completed 1. d8 mu. Is of 0.2 hectares; built Harbour 32, 105 aquatic facilities. Third, development and management of Lake Erhai Erhai Lake area of 250km. Volume of 2.88 billion m. North to south d2.5km, the average width of 6.3km; maximum water depth of 20.5m, average depth of 10m. Drainage area of 2565km, into the lake, rivers ll7 article, the Lake Creek for the West er River. The mean annual temperature of 16.9 ℃ Erhai transparency of 3.3 meters. Maximum 7 meters, PH value of 7.00 - 9.39. Average 8.33; 5.31 German degrees of total hardness, salinity equivalent of 5.21 mg / l, total alkaloids 2.33 meq / l; low content of heavy metals, toxic substances rarely detected. Erhai Lake is cleaner bicarbonate - calcium and magnesium-based fresh water lakes. 55l, Erhai Lake Erhai area developed development activities began four thousand years ago, mainly engaged in planting, animal husbandry, hunting, fishing and other activities # about three thousand years ago, mining technology has been developed; began in 1908 after the industry. 70 years after the establishment of 25.5 million kilowatts of West er River Cascade Hydropower Station; Lakes 8O irrigation level for more than 73 built around the lake water pumping stations, irrigation of 15.5 hectares of farmland. Water for 700 million annual electricity m. Agricultural water use 220 million m. And industrial water O. 3.6 billion cubic meters, with the advantage of playing in Dali district, population growth, industrial and agricultural production. Erhai Lake water supply and demand will be very prominent. Erhai Lake has become a regulation of climate, agricultural and industrial water, water, fisheries and tourism in one of the multi-functional lake. Human activities, so that the ecological environment of Erhai Lake, great changes have taken place 2, the protection of Erhai Lake 20 years, environmental monitoring department has been conducting a sentinel surveillance system, timing, and the Chinese Academy of Sciences, Yunnan University, the environmental protection department, the aquaculture sector multi-disciplinary research lO has completed a number of scientific research, which is a national Plan to the legal system,[link widoczny dla zalogowanych], has set regulations issued by Pina and regulations, management of the legal basis of Erhai Lake. also set up a special organization Erhai Authority. on some key polluting enterprises have been curbed, the collection of water, sewage charges, and promote corporate control pollution, have achieved remarkable results. 1989 6.8 km of sewage interceptors one thousand built, the daily closure of Shimonoseki Dali piece of industrial wastewater and domestic sewage more than 40,000 cubic meters, improving the water quality of River West er. In the same year introduced water pollution discharge permit system. and included in the governor, the mayor of environmental protection target responsibility system. largely completed green belt around the lake, state governments invested 3.5 million yuan and the cost per year, has been noticed. Mo River Watershed Rehabilitation Project residues has been completed and put into use. Erhai recently completed environmental management plan, including: water resources management planning (water distribution and variation of water resources and water supply and demand balance forecast, water scheduling programs), water quality management planning (Chen and Erhai Lake Basin Development the relationship between water quality, Erhai Lake water function zoning, water quality management programs, economic analysis, eighteen Creek debris flow management plan, Haidong surface Mountain Green Planning) and the Erhai Lake and other regulations. According to the experience of Lake Biwa. in the future should focus on the period of weeks non-point source control, prevent eutrophication. The main projects are: soil erosion control River Cangshan eighth, forest vegetation restoration Dongshan Lake Erhai, Lake agricultural runoff pollution control, vegetation restoration Cangshan marble mine. an early stage of ecological environmental planning . strengthen the development and management of scenic resources, pay close attention to Dali Guo dust control zones, and to strengthen the construction of scientific research and monitoring team. (Continued from page 53) to establish domestic bar code applications, management and quality assurance systems, external relations and deal with foreign affairs. timely provide the latest information, technology training and technical advice, to ensure the normal operation of the bar code system, according to the provisions of our enterprise bar code system should be required to pay the following annual maintenance fee; Import and Export Company to pay 4000 yuan; production company to pay 2000 RMB; single manufacturer to pay 1,000 yuan, and paid from the applications submitted, the annual maintenance fees to pay from the second year, if not cancel the scheduled payment of eligibility to use bar code. 56