Phytoplankton in an Amazonian flood-plain lake (Lago Batata, Brasil): diel variation and species strategies
Phytoplankton diel variations in an Amazonian flood-plain lake (Lago Batata) were studied quarterly for 1 year, according to the hydrometric level fluctuation of the Trombetas river (39.7–47.0 m over sea level), to which the lake is permanently connected. Hydrological and hydrographic conditions det...
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| creator | de Melo, Sérgio Huszar, Vera Lúcia M. |
| description | Phytoplankton diel variations in an Amazonian flood-plain lake (Lago Batata) were studied quarterly for 1 year, according to the hydrometric level fluctuation of the Trombetas river (39.7–47.0 m over sea level), to which the lake is permanently connected. Hydrological and hydrographic conditions determined mixing patterns of the water column and phytoplankton distribution. When the lake is deep (>4.0 m), sparse phytoplankton communities are found at the bottom, by thermal discontinuities, and may remain so for a short duration (days). When the lake is shallow ( |
| doi_str_mv | 10.1093/plankt/22.1.63 |
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Hydrological and hydrographic conditions determined mixing patterns of the water column and phytoplankton distribution. When the lake is deep (>4.0 m), sparse phytoplankton communities are found at the bottom, by thermal discontinuities, and may remain so for a short duration (days). When the lake is shallow (<4.0 m), mixing of the waters ensures a nearly even distribution of organisms throughout the water column. The weak stability of stratification is a major influence on the distribution of phytoplankton population densities in this shallow flushed lake. The highest phytoplankton densities during the second part of the day, mentioned in the literature, are observed only during decreasing water level. During the other phases of the hydrological cycle (increasing, high and low water levels), no differences in phytoplankton population density were observed throughout the diel cycle. Assemblages, or groups of descriptor species of systems having similar features, have recently been proposed. Assemblages of flushing-tolerant nano-algae (X1) and of mixing-dependent species (T, S) have shown that the physical properties of the environment were often the strongest determinants of the phytoplankton strategies.</description><identifier>ISSN: 0142-7873</identifier><identifier>ISSN: 1464-3774</identifier><identifier>EISSN: 1464-3774</identifier><identifier>DOI: 10.1093/plankt/22.1.63</identifier><identifier>CODEN: JPLRD9</identifier><language>eng</language><publisher>Oxford: Oxford University Press</publisher><subject>Algae ; Animal and plant ecology ; Animal, plant and microbial ecology ; Associated species ; Biological and medical sciences ; Brazil ; Brazil, Amazonia, Batata L ; Diel variations ; Distribution ; Floodplains ; Fresh water ecosystems ; Freshwater ; Fundamental and applied biological sciences. Psychology ; Hydrologic cycle ; Inland waters ; Lakes ; Physical properties ; Phytoplankton ; Population density ; Rivers ; Sea level ; Species ; Stability ; Stratification ; Synecology ; Water column ; Water levels</subject><ispartof>Journal of plankton research, 2000-01, Vol.22 (1), p.63-76</ispartof><rights>2000 INIST-CNRS</rights><rights>Copyright Oxford University Press(England) Jan 2000</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c402t-4af8e902abcc64c45d84590614678e5ee9ac3083b7655c285d42758465fcd9243</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1256277$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>de Melo, Sérgio</creatorcontrib><creatorcontrib>Huszar, Vera Lúcia M.</creatorcontrib><title>Phytoplankton in an Amazonian flood-plain lake (Lago Batata, Brasil): diel variation and species strategies</title><title>Journal of plankton research</title><addtitle>J. Plankton Res</addtitle><description>Phytoplankton diel variations in an Amazonian flood-plain lake (Lago Batata) were studied quarterly for 1 year, according to the hydrometric level fluctuation of the Trombetas river (39.7–47.0 m over sea level), to which the lake is permanently connected. Hydrological and hydrographic conditions determined mixing patterns of the water column and phytoplankton distribution. When the lake is deep (>4.0 m), sparse phytoplankton communities are found at the bottom, by thermal discontinuities, and may remain so for a short duration (days). When the lake is shallow (<4.0 m), mixing of the waters ensures a nearly even distribution of organisms throughout the water column. The weak stability of stratification is a major influence on the distribution of phytoplankton population densities in this shallow flushed lake. The highest phytoplankton densities during the second part of the day, mentioned in the literature, are observed only during decreasing water level. During the other phases of the hydrological cycle (increasing, high and low water levels), no differences in phytoplankton population density were observed throughout the diel cycle. Assemblages, or groups of descriptor species of systems having similar features, have recently been proposed. Assemblages of flushing-tolerant nano-algae (X1) and of mixing-dependent species (T, S) have shown that the physical properties of the environment were often the strongest determinants of the phytoplankton strategies.</description><subject>Algae</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Associated species</subject><subject>Biological and medical sciences</subject><subject>Brazil</subject><subject>Brazil, Amazonia, Batata L</subject><subject>Diel variations</subject><subject>Distribution</subject><subject>Floodplains</subject><subject>Fresh water ecosystems</subject><subject>Freshwater</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hydrologic cycle</subject><subject>Inland waters</subject><subject>Lakes</subject><subject>Physical properties</subject><subject>Phytoplankton</subject><subject>Population density</subject><subject>Rivers</subject><subject>Sea level</subject><subject>Species</subject><subject>Stability</subject><subject>Stratification</subject><subject>Synecology</subject><subject>Water column</subject><subject>Water levels</subject><issn>0142-7873</issn><issn>1464-3774</issn><issn>1464-3774</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNpdkN1LHDEUxUNpwa366nMoUip01nxnpm8qfsHSKqy0-BKumYzGnZ2sSbZo_3ojIwrlPtwL53cO916EdiiZUtLw_VUPwyLvMzalU8U_oAkVSlRca_ERTQgVrNK15hvoc0r3hFBV1AlaXNw95TBaw4D9gGHAB0v4FwZfpq4Poa2KXIQeFg5_m8FtwIeQS33HhxGS7_d-4Na7Hv-F6CH78JLR4rRy1ruEU46Q3W0Zt9CnDvrktl_7Jro6OZ4fnVWzX6fnRwezygrCciWgq11DGNxYq4QVsq2FbIgq5-jaSecasJzU_EYrKS2rZSuYlrVQsrNtwwTfRF_H3FUMD2uXsln6ZF1fjnRhnQzVkhaMFfDLf-B9WMeh7GYYI0wpxVWBpiNkY0gpus6sol9CfDKUmJfHm_F7xWKoUbwYdl9TIVnouwiD9endxaRiWhesGjGfsnt8kyEujNJcS3P259rMxen17_nPxlzyZxSnkwU</recordid><startdate>200001</startdate><enddate>200001</enddate><creator>de Melo, Sérgio</creator><creator>Huszar, Vera Lúcia M.</creator><general>Oxford University Press</general><general>Oxford Publishing Limited (England)</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7SN</scope><scope>C1K</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>M7N</scope><scope>7UA</scope></search><sort><creationdate>200001</creationdate><title>Phytoplankton in an Amazonian flood-plain lake (Lago Batata, Brasil): diel variation and species strategies</title><author>de Melo, Sérgio ; Huszar, Vera Lúcia M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c402t-4af8e902abcc64c45d84590614678e5ee9ac3083b7655c285d42758465fcd9243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Algae</topic><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Associated species</topic><topic>Biological and medical sciences</topic><topic>Brazil</topic><topic>Brazil, Amazonia, Batata L</topic><topic>Diel variations</topic><topic>Distribution</topic><topic>Floodplains</topic><topic>Fresh water ecosystems</topic><topic>Freshwater</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hydrologic cycle</topic><topic>Inland waters</topic><topic>Lakes</topic><topic>Physical properties</topic><topic>Phytoplankton</topic><topic>Population density</topic><topic>Rivers</topic><topic>Sea level</topic><topic>Species</topic><topic>Stability</topic><topic>Stratification</topic><topic>Synecology</topic><topic>Water column</topic><topic>Water levels</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>de Melo, Sérgio</creatorcontrib><creatorcontrib>Huszar, Vera Lúcia M.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Water Resources Abstracts</collection><jtitle>Journal of plankton research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>de Melo, Sérgio</au><au>Huszar, Vera Lúcia M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phytoplankton in an Amazonian flood-plain lake (Lago Batata, Brasil): diel variation and species strategies</atitle><jtitle>Journal of plankton research</jtitle><addtitle>J. Plankton Res</addtitle><date>2000-01</date><risdate>2000</risdate><volume>22</volume><issue>1</issue><spage>63</spage><epage>76</epage><pages>63-76</pages><issn>0142-7873</issn><issn>1464-3774</issn><eissn>1464-3774</eissn><coden>JPLRD9</coden><abstract>Phytoplankton diel variations in an Amazonian flood-plain lake (Lago Batata) were studied quarterly for 1 year, according to the hydrometric level fluctuation of the Trombetas river (39.7–47.0 m over sea level), to which the lake is permanently connected. Hydrological and hydrographic conditions determined mixing patterns of the water column and phytoplankton distribution. When the lake is deep (>4.0 m), sparse phytoplankton communities are found at the bottom, by thermal discontinuities, and may remain so for a short duration (days). When the lake is shallow (<4.0 m), mixing of the waters ensures a nearly even distribution of organisms throughout the water column. The weak stability of stratification is a major influence on the distribution of phytoplankton population densities in this shallow flushed lake. The highest phytoplankton densities during the second part of the day, mentioned in the literature, are observed only during decreasing water level. During the other phases of the hydrological cycle (increasing, high and low water levels), no differences in phytoplankton population density were observed throughout the diel cycle. Assemblages, or groups of descriptor species of systems having similar features, have recently been proposed. Assemblages of flushing-tolerant nano-algae (X1) and of mixing-dependent species (T, S) have shown that the physical properties of the environment were often the strongest determinants of the phytoplankton strategies.</abstract><cop>Oxford</cop><pub>Oxford University Press</pub><doi>10.1093/plankt/22.1.63</doi><tpages>14</tpages><oa>free_for_read</oa></addata></record> |
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| source | Oxford University Press Journals All Titles (1996-Current); EZB-FREE-00999 freely available EZB journals |
| subjects | Algae Animal and plant ecology Animal, plant and microbial ecology Associated species Biological and medical sciences Brazil Brazil, Amazonia, Batata L Diel variations Distribution Floodplains Fresh water ecosystems Freshwater Fundamental and applied biological sciences. Psychology Hydrologic cycle Inland waters Lakes Physical properties Phytoplankton Population density Rivers Sea level Species Stability Stratification Synecology Water column Water levels |
| title | Phytoplankton in an Amazonian flood-plain lake (Lago Batata, Brasil): diel variation and species strategies |
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