Coupled effects of urbanization level and dam on microplastics in surface waters in a coastal watershed of Southeast China - Details

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Abstract：

Investigating　the　heterogeneous　distribution　pattern　of　plastic　pollution　in　river　systems　is　useful　for　better　understanding　the　transport　pathways　of　plastics　from　land　to　sea.　Therefore,　we　analyzed　samples　from　17　sites　to　evaluate　the　distribution　pattern　of　microplastics　(MPs)　in　Minjiang　River　Watershed.　The　MP　concentrations　ranged　between　0.12　and　2.72　n/L,　with　higher　microplastic　concentrations　located　in　urban　areas　with　greater　population　and　gross　domestic　product　(GDP)　densities.　MP　concentrations　were　positively　correlated　with　population　density,　GDP　density,　and　built-up　land　use　percentage,　suggesting　that　increasing　urbanization　level　will　lead　to　greater　plastic　pollution.　MP　concentrations　spanning　the　upstream　and　downstream　sides　of　the　SK　Hydropower　Dam　showed　decreasing　trends,　suggesting　that　MP　settling　would　occur　behind　the　dam　and　Shuikou　Reservoir　might　serve　as　a　sink　for　MPs.　This　study　provides　useful　insight　for　revealing　the　effects　of　urbanization　and　dams　on　spatial　distribution　of　riverine　MPs.　©　2020　Elsevier　Ltd

Keyword：

Dam; Microplastics; Spatial variation; Urbanization level

Community：

[ 1 ] [Huang, Y.]Fujian Key Laboratory of Functional Marine Sensing Materials, Institute of Oceanography, Minjiang University, Fuzhou, 350108, China
[ 2 ] [Tian, M.]Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
[ 3 ] [Tian, M.]College of Fisheries and Life Science, Dalian Ocean University, Dalian, 116023, China
[ 4 ] [Jin, F.]Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China
[ 5 ] [Chen, M.]Fujian Key Laboratory of Functional Marine Sensing Materials, Institute of Oceanography, Minjiang University, Fuzhou, 350108, China
[ 6 ] [Liu, Z.]Fujian Key Laboratory of Functional Marine Sensing Materials, Institute of Oceanography, Minjiang University, Fuzhou, 350108, China
[ 7 ] [He, S.]Fujian Key Laboratory of Functional Marine Sensing Materials, Institute of Oceanography, Minjiang University, Fuzhou, 350108, China
[ 8 ] [He, S.]College of Life Sciences, Fujian Normal University, Fuzhou, 350117, China
[ 9 ] [Li, F.]Fujian Key Laboratory of Functional Marine Sensing Materials, Institute of Oceanography, Minjiang University, Fuzhou, 350108, China
[ 10 ] [Li, F.]College of Environment and Resources, Fuzhou University, Fuzhou, 350116, China
[ 11 ] [Yang, L.]College of Environment and Resources, Fuzhou University, Fuzhou, 350116, China
[ 12 ] [Fang, C.]Laboratory of Marine Biology and Ecology, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China
[ 13 ] [Mu, J.]Fujian Key Laboratory of Functional Marine Sensing Materials, Institute of Oceanography, Minjiang University, Fuzhou, 350108, China
[ 14 ] [Mu, J.]Department of Marine Chemistry, National Marine Environmental Monitoring Center, Dalian, 116023, China

Reprint 's Address：

[Mu, J.]Fujian Key Laboratory of Functional Marine Sensing Materials, Institute of Oceanography, Minjiang UniversityChina

Email：

jlmu@mju.edu.cn

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Source ：

Marine Pollution Bulletin

ISSN： 0025-326X

Year： 2020

Volume： 154

5 . 5 5 3

JCR@2020

5 . 3 0 0

JCR@2023

ESI HC Threshold：159

JCR Journal Grade：1

CAS Journal Grade：1

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 80

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

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