Cyanobacterial occurrence and geosmin dynamics in Paldang Lake watershed, South Korea
We investigated the relationship between cyanobacteria and geosmin occurrence in the Paldang Lake watershed, South Korea, by examining samples from the Bukhan and Namhan Rivers weekly from 2011 to 2015. Cyanobacteria were detected in summer, when water temperatures reached 20°C or more. Merismopedia...
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| Veröffentlicht in: | Water and environment journal : WEJ 2020-11, Vol.34 (4), p.634-643 |
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| creator | Youn, Seok Jea Kim, Hun Nyun Yu, Soon Ju Byeon, Myeong‐Seop |
| description | We investigated the relationship between cyanobacteria and geosmin occurrence in the Paldang Lake watershed, South Korea, by examining samples from the Bukhan and Namhan Rivers weekly from 2011 to 2015. Cyanobacteria were detected in summer, when water temperatures reached 20°C or more. Merismopedia, non‐nitrogen‐fixing cyanobacteria, dominated the Namhan River, which had high nitrogen concentrations. In the Bukhan River, Dolichospermum, nitrogen‐fixing cyanobacteria, was dominant. Temporary nitrogen inflow into the Bukhan River due to rainfall transformed the cyanobacterial community from one dominated by nitrogen‐fixing cyanobacteria (Dolichospermum) to one dominated by non‐nitrogen‐fixing cyanobacteria (Microcystis). Geosmin was highly correlated with Dolichospermum in the Bukhan River (r = 0.947, P |
| doi_str_mv | 10.1111/wej.12547 |
| format | Article |
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Cyanobacteria were detected in summer, when water temperatures reached 20°C or more. Merismopedia, non‐nitrogen‐fixing cyanobacteria, dominated the Namhan River, which had high nitrogen concentrations. In the Bukhan River, Dolichospermum, nitrogen‐fixing cyanobacteria, was dominant. Temporary nitrogen inflow into the Bukhan River due to rainfall transformed the cyanobacterial community from one dominated by nitrogen‐fixing cyanobacteria (Dolichospermum) to one dominated by non‐nitrogen‐fixing cyanobacteria (Microcystis). Geosmin was highly correlated with Dolichospermum in the Bukhan River (r = 0.947, P < 0.01) and its concentration changed in accordance with Dolichospermum cell counts. 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In the Merismopedia‐dominated Namhan River, geosmin concentrations were low, suggesting that the cyanobacterial community composition affects geosmin levels.</description><subject>Community composition</subject><subject>Cyanobacteria</subject><subject>Dolichospermum</subject><subject>Fixing</subject><subject>Geosmin</subject><subject>Inflow</subject><subject>Lakes</subject><subject>Merismopedia</subject><subject>Microcystis</subject><subject>Nitrogen</subject><subject>non‐nitrogen‐fixer</subject><subject>Rain</subject><subject>Rainfall</subject><subject>Rivers</subject><subject>TN:TP ratio</subject><subject>Water inflow</subject><subject>Water temperature</subject><subject>Watersheds</subject><subject>Weekly</subject><issn>1747-6585</issn><issn>1747-6593</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><recordid>eNp1kMtKAzEUhoMoWKsL3yDgSnDaZHKbLKV4LyhocRkyubRTp5OadCjz9o6OuPNszr_4_nPgA-AcownuZ7p36wnOGRUHYIQFFRlnkhz-5YIdg5OU1ghRITkfgcWs000otdm5WOkaBmPaGF1jHNSNhUsX0qZqoO0avalMgn1-0bXVzRLO9YeDe90X08rZK_ga2t0KPoXo9Ck48rpO7ux3j8Hi9uZtdp_Nn-8eZtfzzBAuRSYtltYLgkpuNaGCOO5ygxkrC1NSr4lBFmGHCTGFkIx4VHotDJUE5Yj5gozBxXB3G8Nn69JOrUMbm_6lyimnWHLKRE9dDpSJIaXovNrGaqNjpzBS39ZUb039WOvZ6cDuq9p1_4Pq_eZxaHwB3CBuJw</recordid><startdate>202011</startdate><enddate>202011</enddate><creator>Youn, Seok Jea</creator><creator>Kim, Hun Nyun</creator><creator>Yu, Soon Ju</creator><creator>Byeon, Myeong‐Seop</creator><general>Wiley Subscription Services, Inc</general><scope>24P</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7ST</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0003-0997-2415</orcidid></search><sort><creationdate>202011</creationdate><title>Cyanobacterial occurrence and geosmin dynamics in Paldang Lake watershed, South Korea</title><author>Youn, Seok Jea ; Kim, Hun Nyun ; Yu, Soon Ju ; Byeon, Myeong‐Seop</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3697-9d19df730b6da3473e6e2c155b8cb4fa3c0d01e133c87953f0bfa7c4930205f83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Community composition</topic><topic>Cyanobacteria</topic><topic>Dolichospermum</topic><topic>Fixing</topic><topic>Geosmin</topic><topic>Inflow</topic><topic>Lakes</topic><topic>Merismopedia</topic><topic>Microcystis</topic><topic>Nitrogen</topic><topic>non‐nitrogen‐fixer</topic><topic>Rain</topic><topic>Rainfall</topic><topic>Rivers</topic><topic>TN:TP ratio</topic><topic>Water inflow</topic><topic>Water temperature</topic><topic>Watersheds</topic><topic>Weekly</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Youn, Seok Jea</creatorcontrib><creatorcontrib>Kim, Hun Nyun</creatorcontrib><creatorcontrib>Yu, Soon Ju</creatorcontrib><creatorcontrib>Byeon, Myeong‐Seop</creatorcontrib><collection>Wiley Online Library Open Access</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><jtitle>Water and environment journal : WEJ</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Youn, Seok Jea</au><au>Kim, Hun Nyun</au><au>Yu, Soon Ju</au><au>Byeon, Myeong‐Seop</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cyanobacterial occurrence and geosmin dynamics in Paldang Lake watershed, South Korea</atitle><jtitle>Water and environment journal : WEJ</jtitle><date>2020-11</date><risdate>2020</risdate><volume>34</volume><issue>4</issue><spage>634</spage><epage>643</epage><pages>634-643</pages><issn>1747-6585</issn><eissn>1747-6593</eissn><abstract>We investigated the relationship between cyanobacteria and geosmin occurrence in the Paldang Lake watershed, South Korea, by examining samples from the Bukhan and Namhan Rivers weekly from 2011 to 2015. Cyanobacteria were detected in summer, when water temperatures reached 20°C or more. Merismopedia, non‐nitrogen‐fixing cyanobacteria, dominated the Namhan River, which had high nitrogen concentrations. In the Bukhan River, Dolichospermum, nitrogen‐fixing cyanobacteria, was dominant. Temporary nitrogen inflow into the Bukhan River due to rainfall transformed the cyanobacterial community from one dominated by nitrogen‐fixing cyanobacteria (Dolichospermum) to one dominated by non‐nitrogen‐fixing cyanobacteria (Microcystis). Geosmin was highly correlated with Dolichospermum in the Bukhan River (r = 0.947, P < 0.01) and its concentration changed in accordance with Dolichospermum cell counts. In the Merismopedia‐dominated Namhan River, geosmin concentrations were low, suggesting that the cyanobacterial community composition affects geosmin levels.</abstract><cop>London</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/wej.12547</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0003-0997-2415</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Community composition Cyanobacteria Dolichospermum Fixing Geosmin Inflow Lakes Merismopedia Microcystis Nitrogen non‐nitrogen‐fixer Rain Rainfall Rivers TN:TP ratio Water inflow Water temperature Watersheds Weekly |
| title | Cyanobacterial occurrence and geosmin dynamics in Paldang Lake watershed, South Korea |
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