典型文献
Potential influence of overwintering benthic algae on water quality
文献摘要:
Overwintering benthic algae not only directly impact drinking water safety,but also af-fect the algae recruitment in warm spring seasons.Thus,understanding the characteris-tics of overwintering benthic algae can provide scientific references for formulating preven-tative strategies of reasonable water resource.However,they have received less attention.In this study,the spatiotemporal variation of benthic algae and their harmful secondary metabolites were studied from autumn to summer in Qingcaosha Reservoir.Benthic al-gae(picophytobenthos accounting for 55.42%)had a high biomass during overwintering,and the groups of overwintering benthic algae included pico-Cyanobacteria,pico-Cryptomonas,pico-Chlorophyta,pico-Diatoms,Cyanobacteria,Chlorophyta,Cryptomonas and Diatoms,which were consistent with the planktonic algae species in warm seasons.In oligotrophic or mesotrophic water bodies,micronutrients of iron and manganese were key nutrient fac-tors influencing the biomass of benthic algae.Furthermore,picophytobenthos were im-portant potential contributors of harmful secondary metabolites.The content of micro-cystins,anatoxin-a,geosmin and 2-methylisoborneol in sediment were 15.75 μg/kg·FW,48.16 μg/kg·FW,3.91 ng/kg·FW,and 11.76 ng/kg·FW during winter,which had potential to be released into water bodies to impact water quality.These findings indicate that water quality monitoring programs need to consider sediment in winter as a potential source of toxins and preventative measures to prevent excessive proliferation of algae should be im-plemented in winter.
文献关键词:
中图分类号:
作者姓名:
Lefan Yao;Yuansheng Huang;Lei Chen;Yiliang He
作者机构:
School of Environmental Science and Engineering,Shanghai Jiao Tong University,Shanghai 200240,China;National Engineering Research Center of Urban Water Resources,Shanghai 200082,China
文献出处:
引用格式:
[1]Lefan Yao;Yuansheng Huang;Lei Chen;Yiliang He-.Potential influence of overwintering benthic algae on water quality)[J].环境科学学报(英文版),2022(07):58-70
A类:
Overwintering,Qingcaosha,gae,picophytobenthos,mesotrophic,cystins,anatoxin
B类:
Potential,influence,overwintering,benthic,algae,water,quality,not,only,directly,impact,drinking,safety,also,fect,recruitment,warm,spring,seasons,Thus,understanding,characteris,tics,can,provide,scientific,references,formulating,strategies,reasonable,resource,However,they,have,received,less,attention,In,this,study,spatiotemporal,variation,their,harmful,secondary,metabolites,were,studied,from,autumn,summer,Reservoir,Benthic,accounting,had,high,biomass,during,groups,included,Cyanobacteria,Cryptomonas,Chlorophyta,Diatoms,which,consistent,planktonic,species,oligotrophic,bodies,micronutrients,iron,manganese,key,fac,influencing,Furthermore,portant,potential,contributors,content,geosmin,methylisoborneol,sediment,FW,released,into,These,findings,indicate,that,monitoring,programs,need,consider,toxins,preventative,measures,excessive,proliferation,should,plemented
AB值:
0.47845
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