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Abiotic factors driving cyanobacterial biomass and composition under perennial bloom conditions in tropical latitudes
While warming and eutrophication have increased the frequency and magnitude of harmful cyanobacterial blooms globally, the scenario for many eutrophic tropical freshwaters is a perennial year-round bloom. Yet, the drivers of persistent blooms are less understood when conditions such as light, temper...
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| Published in: | Hydrobiologia 2021-02, Vol.848 (4), p.943-960 |
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| creator | Vanderley, Rayane F. Ger, Kemal A. Becker, Vanessa Bezerra, Maria Gabriela T. A. Panosso, Renata |
| description | While warming and eutrophication have increased the frequency and magnitude of harmful cyanobacterial blooms globally, the scenario for many eutrophic tropical freshwaters is a perennial year-round bloom. Yet, the drivers of persistent blooms are less understood when conditions such as light, temperature, and nutrients favor cyanobacteria growth year-round, and especially in regions facing recurrent periods of drought. In order to understand the drivers of cyanobacteria dominance, we assessed the abiotic conditions related to the abundance and dominance of the two dominant bloom-forming genera
Raphidiopsis
and
Microcystis
, in six shallow, man-made lakes located in the semiarid Northeastern region of Brazil during a prolonged regional drought. Lower water level corresponded to increased phosphorous and nitrogen concentration and, consequently, phytoplankton biomass. Cyanobacterial biomass was also proportional to phosphorus concentrations during year-round blooms. Yet, the two dominant cyanobacterial genera,
Raphidiopsis
and
Microcystis,
seldom co-occurred temporally and the switch between them was driven by water transparency. Our results illustrate the effects of drought induced water level reductions on the biomass and composition of cyanobacterial blooms in tropical shallow man-made lakes. Given the ideal year-round conditions (i.e., high light and temperature), droughts may be expected to intensify the risk and multitude of problems associated with eutrophication. |
| doi_str_mv | 10.1007/s10750-020-04504-7 |
| format | article |
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Raphidiopsis
and
Microcystis
, in six shallow, man-made lakes located in the semiarid Northeastern region of Brazil during a prolonged regional drought. Lower water level corresponded to increased phosphorous and nitrogen concentration and, consequently, phytoplankton biomass. Cyanobacterial biomass was also proportional to phosphorus concentrations during year-round blooms. Yet, the two dominant cyanobacterial genera,
Raphidiopsis
and
Microcystis,
seldom co-occurred temporally and the switch between them was driven by water transparency. Our results illustrate the effects of drought induced water level reductions on the biomass and composition of cyanobacterial blooms in tropical shallow man-made lakes. Given the ideal year-round conditions (i.e., high light and temperature), droughts may be expected to intensify the risk and multitude of problems associated with eutrophication.</description><identifier>ISSN: 0018-8158</identifier><identifier>EISSN: 1573-5117</identifier><identifier>DOI: 10.1007/s10750-020-04504-7</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Abiotic factors ; Artificial lakes ; Biomass ; Biomedical and Life Sciences ; Blooms ; Composition ; Cyanobacteria ; Dominance ; Drought ; Droughts ; Ecology ; Ecosystem components ; Eutrophication ; Fresh water ; Freshwater & Marine Ecology ; Lakes ; Life Sciences ; Microcystis ; Nutrients ; Phosphorus ; Phytoplankton ; Primary Research Paper ; Raphidiopsis ; Temperature ; Tropical climate ; Water levels ; Water transparency ; Zoology</subject><ispartof>Hydrobiologia, 2021-02, Vol.848 (4), p.943-960</ispartof><rights>The Author(s) 2021</rights><rights>COPYRIGHT 2021 Springer</rights><rights>The Author(s) 2021. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c436t-a7734ea3e45bcec8a652ca637bc7e8f0980fc24ec012e9fd6a9475fa4a69a1e13</citedby><cites>FETCH-LOGICAL-c436t-a7734ea3e45bcec8a652ca637bc7e8f0980fc24ec012e9fd6a9475fa4a69a1e13</cites><orcidid>0000-0002-1581-6489</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Vanderley, Rayane F.</creatorcontrib><creatorcontrib>Ger, Kemal A.</creatorcontrib><creatorcontrib>Becker, Vanessa</creatorcontrib><creatorcontrib>Bezerra, Maria Gabriela T. A.</creatorcontrib><creatorcontrib>Panosso, Renata</creatorcontrib><title>Abiotic factors driving cyanobacterial biomass and composition under perennial bloom conditions in tropical latitudes</title><title>Hydrobiologia</title><addtitle>Hydrobiologia</addtitle><description>While warming and eutrophication have increased the frequency and magnitude of harmful cyanobacterial blooms globally, the scenario for many eutrophic tropical freshwaters is a perennial year-round bloom. Yet, the drivers of persistent blooms are less understood when conditions such as light, temperature, and nutrients favor cyanobacteria growth year-round, and especially in regions facing recurrent periods of drought. In order to understand the drivers of cyanobacteria dominance, we assessed the abiotic conditions related to the abundance and dominance of the two dominant bloom-forming genera
Raphidiopsis
and
Microcystis
, in six shallow, man-made lakes located in the semiarid Northeastern region of Brazil during a prolonged regional drought. Lower water level corresponded to increased phosphorous and nitrogen concentration and, consequently, phytoplankton biomass. Cyanobacterial biomass was also proportional to phosphorus concentrations during year-round blooms. Yet, the two dominant cyanobacterial genera,
Raphidiopsis
and
Microcystis,
seldom co-occurred temporally and the switch between them was driven by water transparency. Our results illustrate the effects of drought induced water level reductions on the biomass and composition of cyanobacterial blooms in tropical shallow man-made lakes. Given the ideal year-round conditions (i.e., high light and temperature), droughts may be expected to intensify the risk and multitude of problems associated with eutrophication.</description><subject>Abiotic factors</subject><subject>Artificial lakes</subject><subject>Biomass</subject><subject>Biomedical and Life Sciences</subject><subject>Blooms</subject><subject>Composition</subject><subject>Cyanobacteria</subject><subject>Dominance</subject><subject>Drought</subject><subject>Droughts</subject><subject>Ecology</subject><subject>Ecosystem components</subject><subject>Eutrophication</subject><subject>Fresh water</subject><subject>Freshwater & Marine Ecology</subject><subject>Lakes</subject><subject>Life Sciences</subject><subject>Microcystis</subject><subject>Nutrients</subject><subject>Phosphorus</subject><subject>Phytoplankton</subject><subject>Primary Research Paper</subject><subject>Raphidiopsis</subject><subject>Temperature</subject><subject>Tropical climate</subject><subject>Water levels</subject><subject>Water transparency</subject><subject>Zoology</subject><issn>0018-8158</issn><issn>1573-5117</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kU1rHSEUhiW0kNs0fyAroasuJtUZHZ3lJbRpIBBI27Wc6xwvhhmdqlOaf19zp1CyKSLCOc_j10vIFWfXnDH1KXOmJGtYW6eQTDTqjOy4VF0jOVdvyI4xrhvNpT4n73J-YlUaWrYj6_7gY_GWOrAlpkzH5H_5cKT2GUI81CImDxOt1Aw5UwgjtXFeYvbFx0DXMGKiCyYM4cRNMc6VCOOpn6kPtKS4eFubExRf1hHze_LWwZTx8u96QX58-fz95mtz_3B7d7O_b6zo-tKAUp1A6FDIg0WroZethb5TB6tQOzZo5mwr0DLe4uDGHgahpAMB_QAceXdBPmz7Lin-XDEX8xTXFOqRphW6bwehB12p6406woTGBxdLAlvHiLOvT0Hna33fS_bygT2rwsdXQmUK_i5HWHM2d98eX7PtxtoUc07ozJL8DOnZcGZesjNbdqZmZ07ZGVWlbpNyhcMR0797_8f6Aw3bnlw</recordid><startdate>20210201</startdate><enddate>20210201</enddate><creator>Vanderley, Rayane F.</creator><creator>Ger, Kemal A.</creator><creator>Becker, Vanessa</creator><creator>Bezerra, Maria Gabriela T. 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A. ; Panosso, Renata</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c436t-a7734ea3e45bcec8a652ca637bc7e8f0980fc24ec012e9fd6a9475fa4a69a1e13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Abiotic factors</topic><topic>Artificial lakes</topic><topic>Biomass</topic><topic>Biomedical and Life Sciences</topic><topic>Blooms</topic><topic>Composition</topic><topic>Cyanobacteria</topic><topic>Dominance</topic><topic>Drought</topic><topic>Droughts</topic><topic>Ecology</topic><topic>Ecosystem components</topic><topic>Eutrophication</topic><topic>Fresh water</topic><topic>Freshwater & Marine Ecology</topic><topic>Lakes</topic><topic>Life Sciences</topic><topic>Microcystis</topic><topic>Nutrients</topic><topic>Phosphorus</topic><topic>Phytoplankton</topic><topic>Primary Research Paper</topic><topic>Raphidiopsis</topic><topic>Temperature</topic><topic>Tropical climate</topic><topic>Water levels</topic><topic>Water transparency</topic><topic>Zoology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vanderley, Rayane F.</creatorcontrib><creatorcontrib>Ger, Kemal A.</creatorcontrib><creatorcontrib>Becker, Vanessa</creatorcontrib><creatorcontrib>Bezerra, Maria Gabriela T. 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A.</au><au>Panosso, Renata</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Abiotic factors driving cyanobacterial biomass and composition under perennial bloom conditions in tropical latitudes</atitle><jtitle>Hydrobiologia</jtitle><stitle>Hydrobiologia</stitle><date>2021-02-01</date><risdate>2021</risdate><volume>848</volume><issue>4</issue><spage>943</spage><epage>960</epage><pages>943-960</pages><issn>0018-8158</issn><eissn>1573-5117</eissn><abstract>While warming and eutrophication have increased the frequency and magnitude of harmful cyanobacterial blooms globally, the scenario for many eutrophic tropical freshwaters is a perennial year-round bloom. Yet, the drivers of persistent blooms are less understood when conditions such as light, temperature, and nutrients favor cyanobacteria growth year-round, and especially in regions facing recurrent periods of drought. In order to understand the drivers of cyanobacteria dominance, we assessed the abiotic conditions related to the abundance and dominance of the two dominant bloom-forming genera
Raphidiopsis
and
Microcystis
, in six shallow, man-made lakes located in the semiarid Northeastern region of Brazil during a prolonged regional drought. Lower water level corresponded to increased phosphorous and nitrogen concentration and, consequently, phytoplankton biomass. Cyanobacterial biomass was also proportional to phosphorus concentrations during year-round blooms. Yet, the two dominant cyanobacterial genera,
Raphidiopsis
and
Microcystis,
seldom co-occurred temporally and the switch between them was driven by water transparency. Our results illustrate the effects of drought induced water level reductions on the biomass and composition of cyanobacterial blooms in tropical shallow man-made lakes. Given the ideal year-round conditions (i.e., high light and temperature), droughts may be expected to intensify the risk and multitude of problems associated with eutrophication.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10750-020-04504-7</doi><tpages>18</tpages><orcidid>https://orcid.org/0000-0002-1581-6489</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Hydrobiologia, 2021-02, Vol.848 (4), p.943-960 |
| issn | 0018-8158 1573-5117 |
| language | eng |
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| source | Springer Nature |
| subjects | Abiotic factors Artificial lakes Biomass Biomedical and Life Sciences Blooms Composition Cyanobacteria Dominance Drought Droughts Ecology Ecosystem components Eutrophication Fresh water Freshwater & Marine Ecology Lakes Life Sciences Microcystis Nutrients Phosphorus Phytoplankton Primary Research Paper Raphidiopsis Temperature Tropical climate Water levels Water transparency Zoology |
| title | Abiotic factors driving cyanobacterial biomass and composition under perennial bloom conditions in tropical latitudes |
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