Table S1 E-flows documents in

Promulgation Relevant No. Title Promulgator Document Number Date Sections Opinions of the CPC The Communist Central Committee and Party of China the State Council on 1 (CPC) Central 2015-04-25 Accelerating the Committee and Ecological Civilization the State Council Construction The Communist Integrated Reform Plan Party of China 2 for Promoting (CPC) Central 2015-09-21 Ecological Progress Committee and the State Council General Office of the State Council on the General Office of 〔2015〕No.56, Issuing Notice on the State Council Document of General 3 Construction of 2015-08-12 of the People's Office of the State Ecological Republic of China Council Environmental Monitoring Network Chinese State Council. the State Council 〔2012〕No.3, Advice on applying the 4 of the People's Document of State 2012-01-12 strictest water resources Republic of China Council management system The Communist 〔2011〕No.1, Decision of Speeding Party of China Document of the Up Water Conservancy 5 (CPC) Central Central Committee of 2010-12-31 Reform and Committee and the Communist Party Development the State Council of China (CPC) Action Plan for the State Council 〔2015〕No.17, 6 Prevention and Control of the People's Document of State 2015-04-16 of Water Pollution Republic of China Council the 13th Five-Year Plan the State Council 〔2016〕No. 65, for National Eco- 7 of the People's Document of State 2016-12-05 Environmental Republic of China Council Conservation Article 4 Water Law of the Standing Order of the Article 21 People's Republic of Committee of The Chairman of the 8 2016-07-02 Article 22 China National People's People’s Republic of Article 26 (2016Amendment) Congress China (No.48) Article 30 9 Law of the People's Standing 2008-02-28 Article 16 Republic of China on Committee of The Prevention and Control National People's of Water Pollution Congress The Ordinance on Administrative of the State Council Water Drawing Order No.460 of the 10 of the People's 2017-03-01 Article 11 Permission and State Council Republic of China Collection of Water Resource Fees Regulations on Water the State Council Order No.472 of the Article 3 11 Regulation of the of the People's 2006-07-05 State Council Article 8 Republic of China National Development and Reform the 13th Five-Year Plan Commission, for Water conservancy Ministry of Water 12 2016-12-23 reform and Resources, development Ministry of Housing and Urban-Rural development National Interim measures for 〔2011〕No.2242, Development and Reviewing River Document of Reform Hydropower Plan National Article 3 13 Commission, 2011-10-18 Report and Plan Development and Article 8 Ministry of Environmental Impact Reform Environmental Assessment Report Commission/Energy Protection Two indicators: 〔2011〕No.248, Ecological Ecological Indicator Document of Water basic flow System and Application Ministry of Water Resources and and 14 Guidance for Water 2010-03-24 Resources Hydropower ecological Project Planning and Planning and Design water Design General Institute demand for sensitive targets Guiding Opinions on 〔2016〕No.60, River Ecological Document of Ministry of Water 15 Restoration of Rural Ministry of Water 2016-02-22 Resources Hydropower Efficiency Resources/ Bureau of Improvements and Hydropower Capacity Additions The Measure on Order No.34 of Administrative of Ministry of Water 16 Ministry of Water 2008-4-09 Article 8 Water Drawing Resources Resources Permission The Measures on Operation of Three Order No.35 of Gorges Reservoir and Ministry of Water 17 Ministry of Water 2008-11-03 Article 13 the Management of the Resources Resources Water Resources and Rivers in the Reservoir Order No.15 of Ministry of Water The Measures on Water Ministry of Water Resources and 18 Resources Assessment 2002-3-24 Article 3 Resources National of Construction Project Development and Reform Commission National Notice on Enhancing Development and 〔2005〕No.13, Environmental Reform Document of State 19 Protection of Commission, Environmental 2005-01-20 Hydropower Ministry of Protection Construction Environmental Administration Protection Technical Guide for Environmental Impact Assessment of River State 〔2006〕No.4, Letter Ecological Flow, Cold Environmental of Department of 20 Water, and Fish 2006-01-13 Protection Environment Impact Passage Facilities for Administration Assessment Water Conservation Construction Projects (Trial) Notice on Further 〔2012〕No.4, Enhancing Ministry of Document of General Environmental 21 Environmental Office of Ministry of 2012-01-10 Protection of Protection Environmental Hydropower Protection Construction Notice on Deepening Ministry of 〔2014〕No.65, Implementation of Environmental Document of 22 Ecological Protection, Ministry of 2014-05-10 Environmental National Energy Environmental Protection for Administration Protection Hydropower Development Technical Review 〔2014〕No.81, Essentials of River Ministry of Document of 23 Hydropower Plan Environmental Appraisal Center for 2014-07-07 Environmental Impact Protection Environment and Assessment Report Engineering Ministry of Technological Principle Urban-Rural and Methods for Development 24 Enactment of Local GB 3839-83 1983-04-09 2.5 and Water Pollutant Environmental Emission Standard Protection General Administration of Code of Practice for Quality Computation on Supervision, 25 Allowable Permitted GB/T 25173-2010 2010-09-26 Inspection and Assimilative Capacity Quarantine; of Water Bodies Standardization Administration Specification for Calculation of Ministry of Water 26 SL/Z 712-2014 2014-12-05 Environmental Flow in Resources Rivers and Lakes Guidelines for Assessment of Rivers Ministry of Water 27 SL/Z 479-2010 2010-10-11 and Lakes Eco-Water Resources Demands 7.1.3 Code for River Basin Ministry of Water 11.0.3 28 SL 201-2015 2015-01-05 Planning Resources 11.0.4 15.1 Regulation for Environmental Impact Ministry of Water 6.3.4 29 SL 45-2006 2006-10-23 Assessment of River Resources Appendix C Basin Planning Specification on Compiling Hydropower Ministry of Water 30 SL 221-2009 2009-12-21 8.0.6 Development Planning Resources of Medium and Small Rivers 31 Code of Practice for Ministry of Water SL 613-2013 2013-08-08 9.2 Water Resources Resources Protection Planning Guidelines for Aquatic 5.1 Ecological Protection Ministry of Water 5.2 32 SL 709-2015 2015-06-02 and Restoration Resources 5.3 Planning 5.4 The Guidelines for 6.2.4 Water Resources Ministry of Water 33 SL 322-2013 2013-12-05 9.2.2 Assessment of Resources 9.2.5 Construction Projects 5.2.2 Guidelines for 5.3.1 Assessment of Water- 6.2.3 Draw and Utilization in Ministry of Water 34 SL 525-2011 2011-02-17 7.1.3 Construction Projects of Resources 7.1.5 Water Resources and 7.2.4 Hydropower 7.4.1 Specification for Compiling Preliminary Ministry of Water 11.2.1 35 Design Report of Water SL 619-2013 2013-11-20 Resources 11.3.1 Resources and Hydropower Projects Regulation for Environment Protection Ministry of Water 36 Design of Water SL 492-2011 2011-01-25 2.1 Resources Resources and Hydropower Project Environmental Impact Assessment Code Ministry of Water 5.2.3 37 SL 315-2005 2005-05-20 Hydroelectric Station Resources 6.2.1 Project for Rural Area Guidelines for Post Environmental Impact Ministry of Water 38 SL/Z 705-2015 2015-03-16 Assessment of Water Resources Project Standard for Evaluation 4.2.2 Ministry of Water 39 of Green Small SL 752-2017 2017-05-05 5.1.2 Resources Hydropower Stations Appendix B 3.3.2 Technical Specification 4.4.1 for The Analysis of Ministry of Water 5.7.1 40 Supply and Demand SL 429-2008 2008-07-22 Resources 5.7.2 Balance of Water 5.7.3 Resources 5.8.1 5.8.2 7.1.6 Code of Practice for Computation on Ministry of Water 4.4.1 41 Permissible Pollution SL 348-2006 2006-10-23 Resources 4.4.4 Bearing Capacity of Water Bodies Code for Post 4.3.2 Assessment of National Energy 5.2.3 42 Environmental Impacts NB/T 35059-2015 2015-10-27 Administration 5.2.4 of River Hydropower 5.3.4 Development Specification on 10.1.2 Compiling National Energy 43 DL/T 5042-2010 2010-08-27 10.4.1 Hydropower Planning Administration 10.5.3 of River Specification for National Environmental Development and 44 Protection Design of DL/T 5402-2007 2007-12-03 12 Reform Water Conservancy and Commission Hydropower Project State Code for Environmental Environmental Impact Protection 45 Assessment of Water HJ/T 88-2003 2003-03-28 6.2.5 Administration, Conservancy and Ministry of Water Hydropower Project Resources 〔2017〕No.11, Prevent Comprehensive Chongqing Document of General ecological implementation of Municipal 46 Office of Chongqing 2017-03-16 basic flow River Chiefs in People’s Municipal People’s from Chongqing Government Government decreasing. 〔2016〕No.5, Department of Document of Bureau Measures of Rural Water Resources of Hydropower, Article 7 47 Hydropower in 2016-11-18 of Zhejiang Department of Water Article 21 Zhejiang Province Resources of Zhejiang Province 〔2015〕No.3, Document of Bureau Notice on Minimum Department of of Hydropower, 48 Flow Discharge of Water Resources 2015-04-18 Department of Water Hydroplants of Henan Province Resources of Henan Province Regulation of Fujian Standing Province of River Basin Committee of Article 17 49 2012-02-01 Water Environment Fujian People's Article 47 Protection Congress People’s Order No.152 of the Measures of Government of People’s Government Article 20 50 Guangdong Province 2010-11-16 Guangdong of Guangdong Article 34 for Small Hydropower Province Province Regulation of Gansu for Standing No.52 of Standing Shiyanghe River Basin Committee of 51 Committee of Gansu 2007-07-27 Article 9 Water Resources Gansu People's People's Congress Management Congress

Table S2 E-flows of Hydropower Projects

(Approval by Ministry of Environmental Protection from 2001 to 2017)

N Installed Capacity E-Flows Name Time Province Basin River o. (MW) (m3/s) Yellow 1 Xiaoxia 2001 Gansu 230 Yellow River null River Kashi 2 Jilintai Ⅰ 2001 Xinjiang 460 Yili River null River Suofengyin 3 2002 Guizhou 600 River Wu River null g Yellow 4 Laxiwa 2002 4200 Yellow River null River Hanjiang Hanjiang 5 Xihe 2002 Shaanxi 180 80 River River Yellow 6 Suzhi 2002 Qinghai 214.5 Yellow River 150 River Daduhe 7 Pubugou 2003 3300 Yangtze River 3 River Nanyahe 8 Liziping 2003 Sichuan 132 Daduhe River 1.5 River Oujiang 9 Tankeng 2003 Zhejiang 600 Oujiang River river 4 Nanyahe 10 Yele 2004 Sichuan 240 Daduhe River 1.5 River Yalongjiang Yalongjia 11 Jinping Ⅰ 2004 Sichuan 3600 20 River ng River Nanyahe 12 Shawan 2004 Sichuan 480 Daduhe River 15 River Yellow 13 Sigouxia 2004 Gansu 240 Yellow River 166 River Fujiang 14 Yinping 2004 Sichuan 100 Yangtze River 1.5 River Qingshuiji 15 Guazhi 2004 Guizhou 150 Yangtze River 83 ang River Wujiang 16 Pengshui 2004 Chongqing 1750 Wujiang River 280 River Zishui 17 Zhexi 2004 Hunan 500 Yangtze River 100 River Yellow 18 Jishixia 2004 Qinghai 1020 Yellow River 288.1 River Hanjiang Hanjiang 19 Shuhe 2004 Shaanxi 270 120 River River Jinshajiang Jinshajian 20 Xiluodu 2004 Sichuan 12600 1181 River g River 3m3/s in low-flow Baoxinghe Donghe period, 21 Baoxing 2004 Sichuan 195 River River 4m3/s in normal- water period Yalongjia 22 Jinping Ⅱ 2004 Sichuan 4800 Yangtze River 45 ng River Lancangjiang Lancangji 23 Nuozhadu 2004 Yunnan 5850 500 River ang River Jinshajiang Jinshajian 24 Jinanqiao 2005 Yunnan 2400 350 River g River Qingshuiji 25 Baishi 2005 Guizhou 420 Yangtze River 75.4 ang River Chahanwus Kaiduhe 26 2005 Xinjiang 309 Kaiduhe River 43.5 u River Zhujiang Beipanjian 27 Shannipo 2005 Guizhou 185.5 6 River g River Loushui 28 Pinghe 2005 Hubei 450 5.33 River Yalongjia 29 Guandi 2005 Sichuan 2400 Yangtze River 200 ng River Hanjiang Duhe 30 Pankou 2005 Hubei 500 16.7 River River Wujiang 31 Silin 2005 Guizhou 105 Yangtze River 195.59 river Minjiang Daduhe 32 Longtoushi 2005 Sichuan 700 165.4 River River Zhujiang Hongshui 33 Qiaogong 2005 Guangxi 456 400 River he River Daduhe 34 Shenxigou 2005 Sichuan 660 Yangtze River 327 River Honghe 35 Nansha 2005 Yunnan 150 Honghe River 20 River Yellow 36 Wujinxia 2005 Gansu 140 Yellow River 228 River Jinshajiang Jinshajian 37 Xiangjiaba 2005 Sichuan 6000 1200 River g River Bahe 38 Laohuzui 2006 Xizang 102 Niyang River 9 River Yellow 39 Huangfeng 2006 Qinghai 225 Yellow River 200 River Yuanshui 40 Tuokou 2006 Hunan 800 Yangtze River 54 River 2.41m3/s in Non-fish spawning period (July to next Feb.), 2.41m3/s in fish spawning Jiulonghe period (Mar. 41 Jiangbian 2006 Sichuan 330 River to June), maintaining 6 m3/s for 10 days in March and April, and 11m3/s for 10 days in May and June. Yiluowadi Dayingjia 42 Dayingjiang 2006 Yunnan 700 24.5 Jiang ng River 228 m3/s in normal period, 224.49 m3/s Wujiang at every1: 43 Shatuo 2006 Guizhou 112 Wujiang River River 00-8: 00 in low flow period and normal- water period Dagangsha Dadu 44 2006 Sichuan 2600 Null n River Daduhe 45 Luding 2006 Sichuan 920 Yangtze River 184 River Honghe 46 Madushan 2006 Yunnan 300 Honghe River 30.2 River Daduhe 47 Changheba 2006 Sichuan 2600 Daduhe River 166.5 River Gongguoqi Lancangjiang Lancangji 48 2006 Yunnan 900 150 ao River ang River Wujiang 49 Yinpan 2006 Chongqing 600 Yangtze River 345 River Minjiang Heishuihe 50 Mao'ergai 2007 Sichuan 420 5.2 River River Longqing 51 Hekou 2007 Gansu 74 Yellow River 300 he River Zhujiang Beipanjian 52 Dongjing 2007 Guizhou 880 89.2 River g River Zhujiang Hongshui 53 Dahua 2007 Guangxi 110 1130 River he River Duhe 54 Xiaoxuan 2008 Hubei 50 Yangtze River 16.7 River Loushui 55 Linxihe 2008 Hubei 170 Yangtze River 8.65 River Mulihe 56 Lizhou 2008 Sichuan 351 Yalong River 6.55 River Mulihe 57 Kajiwa 2008 Sichuan 452.4 Yalong River 5.1 River Huangjinpi Minjiang Daduhe 58 2009 Sichuan 850 84 ng River River While Jin'anqiao Reservoir starts reserved reservoir, and water level falls below 1,410 meters, for downstream ecological Jinsha flow 59 A'hai 2009 Yunnan 2000 Yangtze River River demand, power generation of a'hai shouldn't be less than 200MW (ecological flow equals the generation flow 286 m3/s). Jinshajian 60 Ludila 2009 Yunnan 2160 Yangtze River 400 g River Daduhe 61 Houziyan 2009 Sichuan 1700 Daduhe River 38.7 River Jinshajian 62 Longkaikou 2009 Yunnan 1800 Yangtze River 380 g River Guanyinya Jinshajiang Jinshajian 63 2009 Yunnan 3000 350 n River g River Daduhe 64 An'gu 2009 Sichuan 680 Yangtze River 150 River Jinshajiang Jinshajian 65 Liyuan 2010 Yunnan 2400 300 River g River Lancangjiang Lancangji 66 Lidi 2010 Yunnan 420 145 River ang River Zhenyouba Daduhe 67 2011 Sichuan 720 Yangtze River 327 Ⅰ River Daduhe 68 Shaping Ⅱ 2011 Sichuan 348 Yangtze River 345 River Lancangjiang Lancangji 69 Jinghong 2011 Yunnan 1750 504 River ang River Hanjiang Hanjiang 70 Xunyang 2011 Shaanxi 320 190 River River Songhuajiang Songhuaji 71 Fengman 2011 Jilin 14800 161 River ang River Since the downstream connects the backwater of the downstream Lancangjiang Lancangji 72 Miaowei 2011 Yunnan 1400 reservoir River ang River Gongguoqia o, there's no need to discharge ecological flow. Beipanjiang Beipanjian 73 Mamaya Ⅰ 2011 Guizhou 558 31 River g River Hanjiang Hanjiang 74 Xinji 2011 Hubei 120 300 River River Shuangjian Minjiang Daduhe 75 2012 Sichuan 2000 121 gkou River River Lancangjiang Lancangji 76 Huangdeng 2012 Yunnan 1900 165 River ang River No peak load regulation in Nov. to next Sept. while inflow is less YarluZangbu Niyanghe than 80m3/s, 77 Duobu 2012 Xizang 120 River River ecological flow equals inflow, discharged through ecological flow gate. 25.8m3/s (10% of annual average flow) in Mar. and July to Dec., Honghe 78 Daheigong 2013 Yunnan 240 Honghe River 30% of River annual average flow in flow spawning period (Jan., Feb. and Apr. to June) Jinggangsh Ganjiang 79 2013 133 Yangtze River 202 an River 120m3/s in Nov. to next Hanjiang Hanjiang 80 Baihe(Jiahe) 2013 Shanxi 180 Apr. 201.3 River River m3/s in May to Oct. No ecological Wunonglon Lancangjiang Lancangji flow 81 2013 Yunnan 990 g River ang River discharge in normal period, 127m3/s in unnormal period. Minimum flow is 94 m3/s. in fish spawning period, discharge Jinshajiang Yalongjia 82 Lianghekou 2013 Sichuan 3000 233 m3/s River ng River peak flow in June and July, and 200 m3/s peak flow in Aug, and Sept. Daduhe 83 Jinchuan 2013 Sichuan 860 Daduhe River 130 River >26.1 m3/s in fish growth period (June to the next Dayingjiang Dayingjiang Dayingjia 84 2013 Yunnan 175 Mar.), >51.7 Ⅳ River ng River m3/s in fish breeding period (Apr. and May). Lancangjiang Lancangji 85 Dahuaqiao 2013 Yunnan 920 244 River ang River >145m3/s in normal period, Yangfanggo Yalong 86 2013 Sichuan 1500 Yalong River 179.2m3/s in u River special period (May and June). >28 m3/s in Apr, to July, 22 m3/s in Xiasajiang Honghe Aug. to the 87 2014 Yunnan 270 Honehe River first-class River next Mar., ecological flow equals inflow while inflow is less than ecological flow. >134.7 m3/s in normal period, >269. 4 m3/s peak flow in fish spawning period (mid- Yingliangba Daduhe 88 2014 Sichuan 1116 Daduhe River Mar. to late o River Apr., Schizothorax prenanti, late July to mid- Sept., Schizothorax davidi) >1160m3/s in normal period, >126 Sichuan Jinshajiang Jinshajian 89 Baihetan 2014 16000 0 m3/s in fish Yunnan River g River spawning period (Mar. to July). >900 m3/s in non-fish spawning period, >116 Sichuan Jinshajiang Jinshajian 90 Wudongde 2015 10200 0 m3/s in fish Yunnan River g River spawning period (March to July). >152 m3/s in Mar. to Apr., 2 times none daily peak Sichuan Jinshajiang Jinshajian 91 Suwalong 2015 1200 operation in Xizang River g River mid-Mar. to Apr. lasting 7 to 10 days every time. >152 m3/s in May to Aug., 1 time none daily peak operation in Sept., lasting 7 to 10 days every time, >152 m3/s in Oct. to next Feb. >146 m3/s in reservoir initial filling and operation period, generate 3-4 food pulse Yalongjiang Yalongjia lasting 10-15 92 Kala 2015 Sichuan 10200 River ng River days in special period (mid- Apr. to late May, early June to mid- July, early Sept. to late Sept.) >132 m3/s in normal period, >272 m3/s in Mar. to Apr., >405 m3/s in Aug. Sichuan/Xi Jinshajiang Jinshajian to Sept., fish 93 Yebatan 2016 2300 zang River g River spawning period is Mar. to Apr. and Aug. to Sept., 10 days ecological operation in fish spawning period, with no daily peak regulation, and discharge ecological flow as reservoir inflow. Jinshajiang Hengjiang 94 Fulongkou 2016 Sichuan 68 >56.9 m3/s River River >145 m3/s in Jan. to Mar. and July to Nov., maintain the natural flow in Apr. to June (spawning period of Gymnocypris eckloni Yellow 95 Ma'erdang 2016 Qinghai 2200 Yellow River Herzensten, River Gymnodiptyc hus pachycheilus, Triplophysa pappenheimi), with no daily peak regulation, > 74 m3/s in Dec (normal water use period). Houziyan Acceptance Daduhe 96 2016 Sichuan 1700 Daduhe River >180m3/s before River reservoir impoundm ent Ecological flow discharge method modified from small Shawan hydropower Acceptance unit to two Daduhe 97 of 2016 Sichuan 480 Daduhe River ecological River environmen flow pipes t protection without permission of Ministry of Environmen tal Protection. >166.5m3/s Changheba Cascade Acceptance operation before Daduhe 98 2016 Sichuan 2600 Daduhe River with reservoir River Huangjinpin impoundm and ent Houziyan.

Max. generation flow 1742m3/s and min. generation Silin flow Acceptance Wujiang 1715m3/s in 99 of 2016 Guizhou 10500 Wujiang River River high flow environmen period, Max. t protection generation flow 382m3/s and min. generation flow 232m3/s in low flow period. Jinping Ⅱ Acceptance 10 Yalongjiang Yalongjia of 2016 Sichuan 4800 >45m3/s 0 River ng River environmen t protection Miaowei Acceptance 10 before Lancangjiang Lancangji 2016 Yunnan 1400 null 1 reservoir River ang River impoundm ent 10 Nianpansha Hanjiang Hanjiang 2017 Hubei 180 >500m3/s 2 n River River Fengman 10 Songhuajiang Songhuaji reconstructi 2017 Jilin 1002.5 null 3 River ang River on >138m3/s in normal period, in fish spawning period, >277 m3/s in Mar. to Apr., and >413m3/ 10 Jinshajiang Jinshajian Batang 2017 Sichuan 750 s in Aug. to 4 River g River Sept., with at least 1- time ecological operation (lasting 10 days longer) every month. > 69.4m3/s in reservoir initial filling period, >23.8 10 Jiaomuzu Bala 2017 Sichuan 743 Daduhe River m3/s in 5 River operation period, and generate 1- time flood pulse lasting 10 days every month in fish spawning period (May to Sept.).

Table S3 E-flows of Water Conservancy Projects

(Approval by Ministry of Environmental Protection from 2014 to 2017)

No Name Time Province Type E-flows (m3/s) . Reservoir project/ Non-irrigation season (Oct. to the next Inner Reservoir 1 Cha'ersen 2014 Apr.), >2.53 m3/s, Irrigation season (May to Mongolia Reinforcement Sep.), >5.06 m3/s. Project Qianjiang main dam, >700 m3/s, Apr. to July, when inflow >3000m3/s, discharge flow equals Water control 2 Datengxia 2014 Guangxi inflow. project Nanmu River auxiliary dam, no less than 3.0 m3/s. >2.1 m3/s. Ecological operation with flood 3 Mangshan 2014 Hunan Reservoir Project pulse in fish spawning period. Chushand 4 2014 Henan Reservoir Project >3.55 m³/s ian Suizhongh 5 2014 Liaoning Reservoir Project >0.262 m3/s oushan Chongqin Water control 6 Nierji 2014 >42.5 m3/s in monthly average flow. g project Guanjingk Chongqin Water control 1.01 m3/s~2.49 m3/s. while inflow is less than 7 2014 ou g project 1.01 m3/s, ecological flow equals inflow. Oct. to the next Apr., >3.54m3/s, May to Sep. >10.62 m3/s, when inflow is less than 8 Yuetan 2015 Anhui Reservoir Project 10.62 m3/s, ecological flow equals inflow, but couldn't be less than 3.54 m3/s. Guangdo Water control 9 Gaopo 2015 >117 m3/s ng project Water control >10.90 m3/s, 20% of annual average flow in 10 Luojiu 2015 Guangxi project fish breeding period. >4.26 m3/s in storage period, 4.26~15m3/s in Water control operation period, at least 10 days continuous 11 Maling 2015 Guizhou project natural inflow discharge (ecological operation) in May and June. Nandujian g Water Water Transfer 12 2015 >14.4m3/s Transfer Project Project Reducing water diversion, increasing ecological flow discharge during reservoir 13 Qianping 2015 Henan Reservoir Project storage and operation period, optimizing ecological flow operation. >9 m3/s in reservoir initial filling and operation period, 11~83.5 m3/s in later Apr. to June, early and mid of July, Aug. and Sep., Huangzan Water control 14 2015 Qinghai Oct. to Nov., >110 m3/s maintaining 15 days gsi project flow in early and mid-Apr., 300 m3/s~500 m3/s maintaining 3-5 days flow in early and Mid- July and mid-Aug. at least once ecological operation lasting 7 -10 Heilongjia Water control days, in breeding period of cold-water fish, 15 Fendou 2015 ng project protect flow the downstream water intake sections is higher than natural flow once ecological operation maintaining 7-10 Heilongjia days In May, protect flow the downstream 16 Geshan 2015 Reservoir Project ng water intake sections is higher than natural flow >0.87 m3/s in storage period, 0.87 m3/s~1.99 m3/s in operation period, implement Water control 17 Xujixia 2015 Qinghai ecological operation of Xujixia and Heishishan project Reservoir for 1-2 flood pulse (2 year's return) in May to Sep. >7.71 m3/s in reservoir initial filling and operation period, >10.32 m3/s in early Mar. to mid-May, ecological flow equal reservoir 18 Tuxikou 2015 Sichuan Reservoir Project inflow while water level is lower than the level of dead water, two times ecological operation lasting 7-10 days in Mar. to Apr. Water control >4.65 m3/s in reservoir water filling period, no 19 Dashimen 2015 Xinjiang project less than, 2.76-8.28 m3/s in operation period. >0.602 m3/s in Dec. to the next May, >1.806 20 Dehou 2015 Yunnan Reservoir Project m3/s in June to Nov. >0.5 m3/s in Oct. to the next Mar. ecological flow equals inflow while reservoir inflow is less than 0.5m3/s, but couldn't be less than 21 Jiangxiang 2016 Anhui Reservoir Project 0.2m3/s, >1.5 m3/s in Apr. to Sept., ecological flow equals inflow while reservoir inflow is less than 1.5m3/s, but couldn't be less than 0.6m3/s. >10.2 m3/s in Oct. to the next Mar., >12.3 m3/s Water control in Apr.to Sept., generate at least 3 times water 22 Huokou 2016 Fujian project level rise and lasting 1 to 2 days every time with flood peak >37 m3/s. Pingtan Water Resources >13.8 m3/s in Oct. to the next Mar., 23 and 2016 Allocation Project >23.2 m3/s in Apr. to Sept. Minjiang Estuary >1.73 m3/s in Nov. to the next Mar., > 3.87 m3/s Reservoir and 24 Fuying 2016 Guangxi in Apr. to Oct., Generate ecological operation Irrigation Project in May to July, lasting 3-5 days. >2.04 m3/s in Nov. to the next Apr., >5.4 m3/s Huangjia Water control 25 2016 Guizhou in May to Oct., discharge inflow while wan project reservoir inflow is less than ecological flow. 26 Yakou 2016 Hubei Shipping >450 m3/s >1.5 m3/s in Aug. to the next Feb., >3.6 m3/s in 27 Maojun 2016 Hunan Reservoir Project Mar. to July. 28 Hekoucun 2016 Henan Reservoir Project >5.0 m3/s Huangshu i North >4.0 m3/s in Nov. to the next Apr., >1.69 m3/s 29 2016 Qinghai Irrigation project Canal in May to Oct. PhaseⅡ Datonghe River to Huangshu ihe River Water Transfer >4.0 m3/s in Nov. to the next Apr., >1.69 m3/s 30 Water 2016 Qinghai Project in May to Oct. Transfer Project- West Canal Huangshi >6.62 m3/s in Mar. to July, >3.31 m3/s in Aug. to 31 2016 Sichuan Reservoir Project pan the next Feb. >4.38 m3/s in Apr. to June, >3.11 m3/s in July to the next Mar., generate at least two times 32 Lijiayan 2016 Sichuan Reservoir Project water rise lasting 5-7 days, with flood peak> 7.18 m3/s. Water control >46.35 m3/s in May to Oct., >15.45 m3/s in Nov. 33 Dashixia 2016 Xinjiang project to the next Apr. Water control 34 Bai'se 2016 Guangxi >100 m3/s project >15 m3/s in June to Oct., > 5.4 m3/s in the dam Chaishita Reservoir and site in normal period,>5.82 m3/s in the 35 2016 Yunnan n Irrigation Project downstream Goujiezha section in normal period >2.08 m3/s in Nov. to the next May, >6.23 m3/s 36 A'gang 2016 Yunnan Reservoir Project in June to Oct. Aug. to the next Mar., Gangkouwan Gangkou Reservoir and section>3.0 m3/s, Liucun Dam section>3.1 m3/s, 37 2017 An'hui wan Irrigation Project Tonggong Dam section>6.9 m3/s, Apr. to July, Gangkouwan section>9.0 m3/s, Liucun Dam section>9.3 m3/s, Tonggong Dam section>20.7 m3/s. >4.8 m3/s in Oct. to the next Mar., >9.2 m3/s in Water control 38 Bailai 2017 Fujian Apr. to Sept., generate 3-6 water level rise in project fish spawning period (Apr. to June) Heilongjia Stop water intake while the flow is less than 39 Jinxi 2017 Irrigation Project ng 758-776 m3/s in May to Aug. >5.27 m3/s in Apr. to Aug., >3.51 m3/s in Sept. Guanmen Heilongjia to Oct., >1.76 m3/s in Jan. to Mar., Nov. to 40 2017 Reservoir Project zuizi ng Dec., generate 1-time flood peak in July to Aug. >7.71 m3/s in Linhai Reservoir and >10.59 m3/s in Tuanjie water intake project in late Apr. to Mid-Sept., >2.57 m3/s in Linhai Reservoir Heilongjia and >3.53 m3/s in Tuanjie water intake project 41 Linhai 2017 Reservoir Project ng in late Spet. To Mid-Apr., generate 1-time flood oprateion in late Apr. to early May, lasting 24 hours with flood peak 75m3/s and 3.15×106m3 runoff >5.48 m3/s in normal period, >11.82 m3/s in Nalinggel Water control 42 2017 Qinghai May to Sept., generate 1-time flood peak in e project June and Sept. Chaoer Wendegen Reservoir >14.27 m3/s~22.65 m3/s, River to Chaole Reservoir> 15.46 m3/s~24.54 m3/s in Xiliaohe Inner Water transfer Apr. to Sept., >5.2 m3/s in Oct. to the next Mar. 43 River 2017 Mongolia project discharge inflow while reservoir inflow is less Water Liaoning than ecological flow, but couldn't be less than Transfer 1.28m3/s. Project