LY/T 3258-2021 Technical specifications for long-term observation of karst rocky desert ecosystem

GB/T 6920-1986 Water quality—Determination of pH value—Glass electrode method GB/T 7480-1987 Water quality—Determination of nitrate—Spectrophotometric method with phenol disulfonic acid GB 7887 GB 7888 GB/T 11893-1989 Water quality—Determination of total phosphorus— Ammonium molybdate spectrophotometric method GB/T 11894-1989 Water quality—Determination of total nitrogen—Alkaline potassium persulfate digestion-UV spectrophotometric method GB/T 11896-1989 Water quality—Determination of chloride—Silver nitrate titration method GB/T 11899-1989 Water quality—Determination of sulfate—Gravimetric method GB/T 11904-1989 Water quality—Determination of potassium and sodium—Flame atomic absorption spectrophotometric GB/T 11905-1989 Water quality—Determination of calcium and magnesium—Atomic absorption spectrophotometric method GB/T 12329-1990 Karst geology terminology GB/T 13196-1991 Water quality—Determination of sulphate—Flame atomic absorption spectrophotometric method GB/T 13580.2-1992 Collection and preservation of the wet precipitation sample GB/T 14581-1993 Water quality—Guidance on sampling techniques from lakes,natural and man-made GB/T 17296-2000 Classification and codes for Chinese soil GB/T 17296-2009 Classification and codes for Chinese soil GB/T 27991-2011 Fundamental technical requirements for sediment measurement and particle size analysis instrument in open channel GB/T 32723-2016 Determination of soil microbial biomass—Substrate-induced respiration method GB/T 33027-2016 Methodology for field long-term observation of forest ecosystem GB 50179-2015 Code for liquid flow measurment in open channels HJ/T 52-1999 Water quality and River Sampling Technical Guidance HJ/T 166-2004 Soil environmental monitoring technical specifications HJ 494-2009 Water quality sampling technical guidance HJ 710.3-2014 Technical guidelines for biodiversity monitoring-terrestrial mammals HJ 710.4-2014 technical guidelines for biodiversity monitoring -birds HJ 710.5-2014 Technical guidelines for biodiversity monitoring—reptiles LY/T 1210-1275 LY/T 1752-2008 Observation technical regulations for desert ecosystem LY/T 1840-2009 Technology regulations of vegetation restoration in Karst desertification zone LY/T 1840-2020 Technology regulations of vegetation restoration in karst zone LY/T 1952-2011 Observation methodology for long-term forest ecosystem research LY/T 2191-2013 Indicator system for long-term observation of Karst rocky desert ecosystem in Southwest China MT/T 633-1996 Long-term groundwater dynamic observation technical specifications QX/T 45-2007 Ground Meteorological Observation Standards Part 1: General Rules QX/T 46-2007 Ground Meteorological Observation Standards - Part 2: Cloud Observation QX/T 48-2007 Ground Meteorological Observation Standards - Part 4: Weather Phenomenon Observation QX/T 49-2007 Ground Meteorological Observation Standards - Part 5: Barometric Observation QX/T 50-2007 Ground Meteorological Observation Standards - Part 6: Observation of Air Temperature and Humidity QX/T 51-2007 Ground Meteorological Observation Standards - Part 7: Observation of Wind Direction and Speed QX/T 52-2007 Ground Meteorological Observation Standards - Part 8: Precipitation Observation QX/T 54-2007 Ground Meteorological Observation Standards - Part 10: Evaporation Observation QX/T 55-2007 Ground Meteorological Observation Standards - Part 11: Radiation Observations QX/T 56-2007 Ground Meteorological Observation Standards - Part 12: Sunshine Observation QX/T 57-2007 Ground Meteorological Observation Standards Part 13: Ground Temperature Observation QX/T 61-2007 Ground Meteorological Observation Standards Part 17: Automatic Weather Station Observations SL 79 SL 183-2005 Groundwater monitoring specifications SL 190-2008 Soil Erosion Classification and Grading Standard, SL 190-2008 SL 219-2013 Water Environment Monitoring Specification SL/T 278-2020 Hydraulic and Hydropower Engineering Hydrological Calculation Specification SL 461-2009 Integrated management specifications for soil and water loss in karst areas SL 759-2018 Rates of Runoff Experiment Observation Standards (SL 759-2018)