Growth characteristics of algae during early stages of phytoplankton bloom in Lake Taihu,China
Three treatments, sediment plus lake water （S＋W）, sterilized sediment plus lake water （SS＋W）, and sediment plus filtered lake water （S＋FW）, were recruited to investigate the growth characteristics of algae during pre-bloom and the importance of algal inocula in the water column and sediment. The res...
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| Veröffentlicht in: | Journal of environmental sciences (China) 2013-02, Vol.25 (2), p.254-261 |
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| creator | Jia, Yuhong Dan, Johnson Zhang, Min Kong, Fanxiang |
| description | Three treatments, sediment plus lake water （S＋W）, sterilized sediment plus lake water （SS＋W）, and sediment plus filtered lake water （S＋FW）, were recruited to investigate the growth characteristics of algae during pre-bloom and the importance of algal inocula in the water column and sediment. The results showed that in the water column, biomass of all algae increased in all treatments when recruitment was initiated, whereas this tendency differed among treatments with further increment of temperature. The process of algal growth consisted of two stages： Stage I, the onset of recruitment and Stage II, the subsequent growth of algae. Compared with S＋W, in Stage I, SS＋W significantly increased the biomass of cyanophytes by 178.70%, and decreased the biomass of non-cyanophytes by 43.40%; In Stage II, SS＋W notably stimulated the growth of all algae, thus incurring the occurrence of phytoplankton bloom. Further analyses revealed that both metabolic activity and photochemical activity of algae were enhanced in SS＋W, which resulted from the releasing of nutrients from sediment. These results suggest that algal growth in Stage II and algal inocula in the water column can be important factors for the formation of phytoplankton bloom. In addition, possible mechanisms promoting algal recruitment and subsequent growth of algae were explored. |
| doi_str_mv | 10.1016/S1001-0742(12)60058-8 |
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The results showed that in the water column, biomass of all algae increased in all treatments when recruitment was initiated, whereas this tendency differed among treatments with further increment of temperature. The process of algal growth consisted of two stages： Stage I, the onset of recruitment and Stage II, the subsequent growth of algae. Compared with S＋W, in Stage I, SS＋W significantly increased the biomass of cyanophytes by 178.70%, and decreased the biomass of non-cyanophytes by 43.40%; In Stage II, SS＋W notably stimulated the growth of all algae, thus incurring the occurrence of phytoplankton bloom. Further analyses revealed that both metabolic activity and photochemical activity of algae were enhanced in SS＋W, which resulted from the releasing of nutrients from sediment. These results suggest that algal growth in Stage II and algal inocula in the water column can be important factors for the formation of phytoplankton bloom. In addition, possible mechanisms promoting algal recruitment and subsequent growth of algae were explored.</description><identifier>ISSN: 1001-0742</identifier><identifier>EISSN: 1878-7320</identifier><identifier>DOI: 10.1016/S1001-0742(12)60058-8</identifier><identifier>PMID: 23596943</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>algae ; China ; Eutrophication - physiology ; Lakes ; Phytoplankton - growth & development ; phytoplankton bloom ; recruitment ; sediment ; water column ; 中国 ; 太湖 ; 早期阶段 ; 水华 ; 浮游植物 ; 生长特性 ; 藻类生物量 ; 藻类生长</subject><ispartof>Journal of environmental sciences (China), 2013-02, Vol.25 (2), p.254-261</ispartof><rights>2013 The Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences</rights><rights>Copyright © Wanfang Data Co. Ltd. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c455t-34488367d425eea41a02887e37baef9e8be35f7d4ce3509cdb68cebad704f40f3</citedby><cites>FETCH-LOGICAL-c455t-34488367d425eea41a02887e37baef9e8be35f7d4ce3509cdb68cebad704f40f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85265X/85265X.jpg</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1001074212600588$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23596943$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jia, Yuhong</creatorcontrib><creatorcontrib>Dan, Johnson</creatorcontrib><creatorcontrib>Zhang, Min</creatorcontrib><creatorcontrib>Kong, Fanxiang</creatorcontrib><title>Growth characteristics of algae during early stages of phytoplankton bloom in Lake Taihu,China</title><title>Journal of environmental sciences (China)</title><addtitle>Journal of Environmental Sciences</addtitle><description>Three treatments, sediment plus lake water （S＋W）, sterilized sediment plus lake water （SS＋W）, and sediment plus filtered lake water （S＋FW）, were recruited to investigate the growth characteristics of algae during pre-bloom and the importance of algal inocula in the water column and sediment. The results showed that in the water column, biomass of all algae increased in all treatments when recruitment was initiated, whereas this tendency differed among treatments with further increment of temperature. The process of algal growth consisted of two stages： Stage I, the onset of recruitment and Stage II, the subsequent growth of algae. Compared with S＋W, in Stage I, SS＋W significantly increased the biomass of cyanophytes by 178.70%, and decreased the biomass of non-cyanophytes by 43.40%; In Stage II, SS＋W notably stimulated the growth of all algae, thus incurring the occurrence of phytoplankton bloom. Further analyses revealed that both metabolic activity and photochemical activity of algae were enhanced in SS＋W, which resulted from the releasing of nutrients from sediment. These results suggest that algal growth in Stage II and algal inocula in the water column can be important factors for the formation of phytoplankton bloom. In addition, possible mechanisms promoting algal recruitment and subsequent growth of algae were explored.</description><subject>algae</subject><subject>China</subject><subject>Eutrophication - physiology</subject><subject>Lakes</subject><subject>Phytoplankton - growth & development</subject><subject>phytoplankton bloom</subject><subject>recruitment</subject><subject>sediment</subject><subject>water column</subject><subject>中国</subject><subject>太湖</subject><subject>早期阶段</subject><subject>水华</subject><subject>浮游植物</subject><subject>生长特性</subject><subject>藻类生物量</subject><subject>藻类生长</subject><issn>1001-0742</issn><issn>1878-7320</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU1v1DAQhiMEomXhJ4DMBRWJwPgr8Z4qtIKCtBIHyhXLcSaJt1l7aydU--9xd7e9wmkszTN-7XmK4jWFjxRo9eknBaAl1IJdUPa-ApCqVE-Kc6pqVdacwdN8fkDOihcpbQBASJDPizPG5bJaCn5e_L6K4W4aiB1MNHbC6NLkbCKhI2bsDZJ2js73BE0c9yRNpsdDczfsp7Abjb-ZgifNGMKWOE_W5gbJtXHD_GE1OG9eFs86MyZ8daqL4tfXL9erb-X6x9X31ed1aYWUU8mFUIpXdSuYRDSCGmBK1cjrxmC3RNUgl11u21xhadumUhYb09YgOgEdXxTvjvfeGd8Z3-tNmKPPiXqDSSMDyoEB8AxeHMFdDLczpklvXbI45p9gmJOmnFNQOVv-B8q4AknzHheFPKI2hpQidnoX3dbEvaag73Xpgy5970JTpg-6tMpzb04Rc7PF9nHqwU8GLo8A5uX9cRh1sg69xdZFtJNug_tnxNvT04bg-9vs8jFFSFpVvK75X9q0rw8</recordid><startdate>20130201</startdate><enddate>20130201</enddate><creator>Jia, Yuhong</creator><creator>Dan, Johnson</creator><creator>Zhang, Min</creator><creator>Kong, Fanxiang</creator><general>Elsevier B.V</general><general>State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences,Nanjing 210008, China</general><general>Graduate School of Chinese Academy of Sciences, Beijing 100039, China%Water and Environmental Science Building, Department of Geography, University of Lethbridge, Lethbridge, Alberta, T1K 3M4, Canada%State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences,Nanjing 210008, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7ST</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>M7N</scope><scope>SOI</scope><scope>7X8</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20130201</creationdate><title>Growth characteristics of algae during early stages of phytoplankton bloom in Lake Taihu,China</title><author>Jia, Yuhong ; 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The results showed that in the water column, biomass of all algae increased in all treatments when recruitment was initiated, whereas this tendency differed among treatments with further increment of temperature. The process of algal growth consisted of two stages： Stage I, the onset of recruitment and Stage II, the subsequent growth of algae. Compared with S＋W, in Stage I, SS＋W significantly increased the biomass of cyanophytes by 178.70%, and decreased the biomass of non-cyanophytes by 43.40%; In Stage II, SS＋W notably stimulated the growth of all algae, thus incurring the occurrence of phytoplankton bloom. Further analyses revealed that both metabolic activity and photochemical activity of algae were enhanced in SS＋W, which resulted from the releasing of nutrients from sediment. These results suggest that algal growth in Stage II and algal inocula in the water column can be important factors for the formation of phytoplankton bloom. 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| ispartof | Journal of environmental sciences (China), 2013-02, Vol.25 (2), p.254-261 |
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| source | MEDLINE; Elsevier ScienceDirect Journals; Alma/SFX Local Collection |
| subjects | algae China Eutrophication - physiology Lakes Phytoplankton - growth & development phytoplankton bloom recruitment sediment water column 中国 太湖 早期阶段 水华 浮游植物 生长特性 藻类生物量 藻类生长 |
| title | Growth characteristics of algae during early stages of phytoplankton bloom in Lake Taihu,China |
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