Feature articles
Suppressive and active protective actions in aquatic wildlife conservation
Yang Haile & Wei Qiwei,pp1-10
Freshwater Mussel Watch: An innovative approach for interpretations of aquatic pollution and toxicology
Chen Xiubao, Yang Jian, Liu Hongbo & Jiang Tao,pp11-27

Reviews
Environmental behaviors of natural colloids in water environment
Wang Peifang, Bao Tianli, Hu Bin & Qian Jin,pp28-48
Lake eutrophication responses modeling and watershed management optimization algorithm: A review
Liu Yong, Jiang Qingsong, Liang Zhongyao, Wu Zhen, Liu Xiaoyu, Feng Qiuyuan, Zou Rui & Guo Huaicheng,pp49-63

Research papers
—Eutrophication, bloom prevention and control
Identifying spatiotemporal alteration of nitrogen to phosphorus ratio of Lake Dianchi and its driving forces during 1988-2018
Gao Wei, Cheng Guowei, Yan Chang'an & Chen Yan,pp64-73
Quantitative identification methods of bloom-forming cyanobacterial groups of inland lakes based on inherent optical properties
Chu Qiao, Zhang Yixuan, Zhang Yuchao, Ma Ronghua & Hu Minqi,pp74-85
Vertical distribution characteristics of phytoplankton functional groups and their relationships with environmental factors in Lake Basomtso, Tibet, China
An Ruizhi, Pan Chengmei, Taba Lazhen, Yang Xinlan & Ba Sang,pp86-101
Spatial distribution characteristics of periphytic algae community of Lake Poyang in the high water level phase
Qian Kuimei, Liu Xia & Chen Yuwei,pp102-110
Attenuation characteristics of photosynthetically active radiation in summer eastern LakeTaihu and implications for submerged plants restoration
Xu Derui, Zhou Jie, Wu Shiqiang, Dai Jiangyu & Wu Xiufeng,pp111-122
Growth and phenotypic plasticity variability of Eichhornia crassipes in response to different eutrophic water in karst wetland
Teng Qiumei, Sun Yingjie, Shen Yuyi, Zhang Denan, Xu Guangping, Zhou Longwu, Zhang Zhongfeng, Huang Kechao, He Wen & He Chengxin,pp123-137

Research papers
—Aquatic environment protection and remediation
Rapid estimation method of pollution load from each rainfallrunoff in urban area
He Shengnan, Chen Wenxue, Liao Dingjia, Zhou Jin & Mu Xiangpeng,pp138-147
Preliminary study on the effect of Fenton oxidation on black odor river sediment
Luo Chunyan, Gong Xiaoli, Zhang Qiaoying, Chen Yu & Du Yingxun,pp148-157
Sources of sedimentary organic matter from the cage fish farm in Lake Poyang, China
Wang Maolan, Xiong Xin, He Chang, Zhao Qianyu & Liu Jingjing,pp158-167
Characterizing chromophoric dissolved organic matter in Lake Gehu, Lake Dianshan and Lake Yangcheng in different hydrological seasons
Shi Yu, Li Yuanpeng, Zhang Liuqing, Guo Yanni, Zhou Lei, Zhou Yongqiang, Zhang Yunlin & Huang Changchun,pp168-180

—Freshwater ecology and biodiversity conservation
Influence of water level on four typical submerged plants in wetlands of Lake Dongting
Liu Xiangdong, Hou Zhiyong, Xie Yonghong, Yu Xiaoying, Li Xu & Zeng Jing,pp181-190
Impact of water level fluctuations with different amplitudes and frequencies on biomass and morphological traits of Vallisneria spinulosa
Ding Mingming, Li Lei, Jin Binsong & Chen Jiakuan,pp192-203
The response of benthic macroinvertebrate communities to environmental pressures in streams and rivers： A case study of Taihu and Chaohu Basins
Zhang You, Cai Yongjiu, Zhang Ying, Gao Junfeng & Li Kuanyi,pp204-217
Dynamics of taxonomic and functional community structure in macrozoobenthos and the underlying driving factors in Lake Dongting during 1988 and 2016
Wang Chouming, Zhang Yi, Tian Qi, Huang Daizhong, Gao Jiquan, Liu Yunzhi, Gong Zheng, Tao Shixin & Meng Xingliang,pp218-231
Reproductive biology and strategy of Megalobrama terminalis of Xijiang River
Liu Yaqiu, Li Xinhui, Li Yuefei, Chen Weitao, Li Jie & Zhu Shuli,pp232-241

—Hydrology and water resources protection
Dynamic prediction of water resources carrying capacity of Chaohu Basin and system optimization regulation based on system dynamics simulation
Zhang Libing, Hu Yanan, Jin Juliang, Wu Chengguo, Zhou Yuliang & Cui Yi,pp242-253
Meiyu determination and causes of typical abnormal Meiyu years in Taihu Basin
Wu Juan, Liang Ping, Lin Hejuan, Wu Zhiyong & Qian Qiwen,pp255-265
Dynamics of hydrological characteristics in Changjiang River and Lake Dongting confluence reach in the past 100 years
Xiao Xiao, Mao Beiping & Wu Shiqiang,pp266-276
Adjustment of bed material composition in a sand-bed reach of the middle Yangtze River
Li Linlin, Xia Junqiang, Zhou Meirong & Deng Shanshan,pp277-288
Spatiotemporal runoff and sediment variation, deposition-erosion characteristics and their driving factors in Lake Hongze
Ben Peng, Yu Bangyi, Zhang Hui & Hu Yong,pp289--298
CH4 variation and main influencing factors of bottom water column in the middle section of Three Gorges Reservoir
Qin Yu, Su Youheng, Li Zhe, Liu Zhengmian & Zhang Yuyang,pp299-308

—Watershed and sustainability
Lake Poyang ecosystem services changes in the last 30 years
Chen Minkun & Xu Xibao,pp309-318

Research briefs
Optimization approach of pretreatment methods for phosphate oxygen isotopic analysis in freshwater
Xue Ke, Zhang Runyu, An Ning, Chen Jing'an, Zou Yinhong, Liu Yong & Zhang Zhi，pp319-326