[1] Deane D C, Fordham D A, He F L et al., 2017. Future extinction risk of wetland plants is higher from individual patch loss than total area reduction. Biological Conservation, 209:27-33. doi: 10.1016/j.biocon.2017.02.005
[2] Du L, Trinh X, Chen Q R et al., 2018. Effect of clinoptilolite on ammonia emissions in integrated vertical-flow constructed wetlands (IVCWs) treating swine wastewater. Ecological En-gineering, 122:153-158. doi: 10.1016/j.ecoleng.2018.07.037
[3] Gao C Y, Zhang S Q, Liu H X et al., 2018. The impacts of land reclamation on the accumulation of key elements in wetland ecosystems in the Sanjiang Plain, Northeast China. Environ-mental Pollution, 237:487-498. doi:10.1016/j.envpol.2018. 02.075
[4] Guo Y D, Lu Y Z, Song Y Y et al., 2014. Concentration and characteristics of dissolved carbon in the Sanjiang Plain influ-enced by long-term land reclamation from marsh. Science of the Total Environment, 466-467:777-787. doi: 10.1016/j.scitotenv.2013.07.076
[5] Fan Y W, Li J, Men X Y et al., 2012. Preliminary description of diatom community and its relationship with water physico-chemical variables in Qixinghe Wetland. Chinese Journal of Oceanology and Limnology, 30(3):379-387. doi:10.1007/s 00343-012-1108-9
[6] Han Zhiwei, Zhang Shui, Wu Pan et al., 2017. Distribution char-acteristics of nitrogen and phosphorus in waters and release flux estimation in the sediment of Caohai basin, Guizhou. Chinese Journal of Ecology, 36(9):2501-2506. (in Chinese)
[7] Hille S, Andersen D K, Kronvang B et al., 2018. Structural and functional characteristics of buffer strip vegetation in an agri-cultural landscape -high potential for nutrient removal but low potential for plant biodiversity. Science of the Total Environ-ment, 628-629:805-814. doi: 10.1016/j.scitotenv.2018.02.117
[8] Hu Zhifeng, Chen Aimin, Qiu Zhi et al., 2016. The effects of plant species and plant diversity on nitrogen removal in simulated vertical sub-surface flow constructed wetlands. Environmental Pollution and control, 38(3):45-49. (in Chinese)
[9] Jiang Ming, Lu Xianguo, Wang Hongqing et al., 2011. Transfer and transformation of soil iron and implications for hydroge-omorpholocial changes in Naoli river catchment, Sanjiang plain, northeast China. Chinese Geographical Science, 21(2):149-158. doi: 10.1007/s11769-011-0454-4
[10] Jiao Sheng, Yang Na, Peng Kai et al., 2014. The effects of land-use and landscape pattern on water quality in Weihe river watershed. Geographical Research, 33(12):2263-2274. (in Chinese)
[11] Li Zhaofu, Liu Hongyu, Li Hengpeng, 2012. Impact on nitrogen and phosphorous export of wetlands in Tianmu lake watershed. Environmental Science, 33(11):3753-3759. (in Chinese)
[12] Liu Jiping, Dong Chunyue, Sheng Lianxi et al., 2016. Landscape pattern change of marsh and its response to human disturbance in the small Sanjiang Plain, 1955-2010. Scientia Geographica Sinica, 36(6):879-887. (in Chinese)
[13] Liu S, Ryu D, Webb J A et al., 2018. Characterisation of spatial variability in water quality in the Great Barrier Reef catchments using multivariate statistical analysis. Marine Pollution Bulletin, 137:137-151. doi:10.1016/j.marpolbul. 2018.10.019
[14] Liu X H, Dong G H, Wang X G et al., 2013. Characterizing the spatial pattern of marshlands in the Sanjiang Plain, Northeast China. Ecological Engineering, 53:335-342. doi:10.1016/j. ecoleng.2012.12.071
[15] Miller K M, Mitchell B R, Mcgill B J, 2016. Constructing multi-metric indices and testing ability of landscape metrics to assess condition of freshwater wetlands in the Northeastern US. Ecological Indicators, 66:143-152. doi:10.1016/j.ecolind. 2016.01.017
[16] Niu Z G, Gong P, Cheng X et al., 2009. Geographical characteris-tics of China's wetlands derived from remotely sensed data. Science in China Series D:Earth Sciences, 52(6):723-738. doi: 10.1007/s11430-009-0075-2
[17] Ouyang W, Yang W X, Tysklind M et al., 2018. Using river sediments to analyze the driving force difference for non-point source pollution dynamics between two scales of watersheds. Water Research, 139:311-320. doi:10.1016/j.watres.2018. 04.020
[18] Racchetti E, Bartoli M, Soana E et al., 2011. Influence of hydro-logical connectivity of riverine wetlands on nitrogen removal via denitrification. Biogeochemistry, 103(1-3):335-354. doi: 10.1007/s10533-010-9477-7
[19] Shiels D R, 2010. Implementing landscape indices to predict stream water quality in an agricultural setting:an assessment of the Lake and River Enhancement (LARE) protocol in the Mississinewa River watershed, East-Central Indiana. Ecological Indicators, 10(6):1102-1110:doi:10.1016/j.ecolind. 2010.03.007
[20] Tuboi C, Irengbam M, Hussain S A, 2018. Seasonal variations in the water quality of a tropical wetland dominated by floating meadows and its implication for conservation of Ramsar wet-lands. Physics and Chemistry of the Earth, Parts A/B/C, 103:107-114. doi: 10.1016/j.pce.2017.09.001
[21] Wang Jianhua, Lu Xianguo, Tian Jinghan et al., 2008. Fuzzy syn-thetic evaluation of water quality of Naoli river using parameter correlation analysis. Chinese Geographical Science, 18(4):361-368. doi: 10.1007/s11769-008-0361-5
[22] Wang R, Bai N, Xu S J et al., 2018a. The adaptability of a wetland plant species Myriophyllum aquaticum to different nitrogen forms and nitrogen removal efficiency in constructed wetlands. Environmental Science and Pollution Research, 25(8):7785-7795. doi: 10.1007/s11356-017-1058-z
[23] Wang Xiaodong, Chu Lijuan, Jiang Ming et al., 2018b. Compara-tive analysis of water quality between restore wetland and na-ture wetland in Naoli River Basin. Wetland Science, 16(2):179-184. (in Chinese)
[24] Wu M Y, Xue L, Jin W B et al., 2012. Modelling the linkage between landscape metrics and water quality indices of hy-drological units in Sihu Basin, Hubei province, China:an al-lometric model. Procedia Environmental Sciences, 13:2131-2145. doi: 10.1016/j.proenv.2012.01.202
[25] Xu E Q, Zhang H Q, 2016. Aggregating land use quantity and intensity to link water quality in upper catchment of Miyun Reservoir. Ecological Indicators, 66:329-339. doi: 10.1016/j.ecolind.2016.02.002
[26] Yin Shiping, Li Binjiang, Pan Huasheng et al., 2017. Analysis of driving influence of climate change on the hydrological situation in Naoli river basin. Research of Soil and Water Conservation, 24(4):38-45. (in Chinese)
[27] Yu Y H, Suo A N, Jiang N, 2011. Response of ecosystem service to landscape change in Panjin coastal wetland. Procedia Earth and Planetary Science, 2:340-345. doi:10.1016/j.proeps. 2011.09.053
[28] Zhang Yan, 2013. Removal Effect and Management Measures of Nitrogen and Phosphorus in Agricultural Drainage Ditches. Changchun:Northeast Institute of Geography and Agroecolo-gy, Chinese Academy of Sciences. (in Chinese)
[29] Zhong Jingjing, Liu Maosong, Wang Yu et al., 2014. Spatial cor-relation of major water quality indices between the lake and rivers in Taihu Lake Basin. Chinese Journal of Ecology, 33(8):2176-2182. (in Chinese)
[30] Zou Y C, Duan X, Xue Z S et al., 2018. Water use conflict be-tween wetland and agriculture. Journal of Environmental Management, 224:140-146. doi:10.1016/j.jenvman.2018. 07.052