Remote sensing of phytoplankton-macrophyte coexistence in shallow hypereutrophic fluvial lakes
We investigated with remote sensing (APEX images) the coexistence of phytoplankton and macrophytes in three interconnected shallow and hypereutrophic fluvial lakes (Mantua Lakes, Northern Italy). High concentrations of chlorophyll-a, up to 60 mg m⁻³, were determined in the open water between well-de...
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Veröffentlicht in: | Hydrobiologia 2014-10, Vol.737 (1), p.67-76 |
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description | We investigated with remote sensing (APEX images) the coexistence of phytoplankton and macrophytes in three interconnected shallow and hypereutrophic fluvial lakes (Mantua Lakes, Northern Italy). High concentrations of chlorophyll-a, up to 60 mg m⁻³, were determined in the open water between well-developed stands of floating-leaved, submerged, and emergent macrophytes. Our data suggest a general inhibition of phytoplankton by macrophytes, evidenced by decreasing chlorophyll-a concentrations in proximity of macrophyte stands. Chlorophyll-a concentrations halved in the proximity of emergent stands (~6 mg m⁻³ within 21 m from the stand border) when compared to the outer zones (~13 mg m⁻³). Contrasting trends were observed for submerged stands, where concentrations decreased inwards from ~8 to ~3 mg m⁻³. Floating leaved stands had a neutral effect, chlorophyll-a being nearly constant in both inner and outer zones. Overall, remotely-sensed data allow evaluation of quantitative and spatially defined interactions of macrophytes and phytoplankton at the whole ecosystem scale. |
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High concentrations of chlorophyll-a, up to 60 mg m⁻³, were determined in the open water between well-developed stands of floating-leaved, submerged, and emergent macrophytes. Our data suggest a general inhibition of phytoplankton by macrophytes, evidenced by decreasing chlorophyll-a concentrations in proximity of macrophyte stands. Chlorophyll-a concentrations halved in the proximity of emergent stands (~6 mg m⁻³ within 21 m from the stand border) when compared to the outer zones (~13 mg m⁻³). Contrasting trends were observed for submerged stands, where concentrations decreased inwards from ~8 to ~3 mg m⁻³. Floating leaved stands had a neutral effect, chlorophyll-a being nearly constant in both inner and outer zones. Overall, remotely-sensed data allow evaluation of quantitative and spatially defined interactions of macrophytes and phytoplankton at the whole ecosystem scale.</description><identifier>ISSN: 0018-8158</identifier><identifier>EISSN: 1573-5117</identifier><identifier>DOI: 10.1007/s10750-013-1800-6</identifier><language>eng</language><publisher>Cham: Springer-Verlag</publisher><subject>Aquatic plants ; Biomedical and Life Sciences ; Chlorophyll ; Ecology ; ecosystems ; Eutrophication ; Freshwater ; Freshwater & Marine Ecology ; Geomorphology ; Lakes ; Life Sciences ; macrophytes ; Phytoplankton ; Plankton ; Plants in Hydrosystems ; Remote sensing ; Zoology</subject><ispartof>Hydrobiologia, 2014-10, Vol.737 (1), p.67-76</ispartof><rights>Springer Science+Business Media Dordrecht 2014</rights><rights>COPYRIGHT 2014 Springer</rights><rights>Springer International Publishing Switzerland 2014</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c516t-e442e20b14ef7c10d3d4f56568e767bd639887bacacb458118d1720b0d2e67d83</citedby><cites>FETCH-LOGICAL-c516t-e442e20b14ef7c10d3d4f56568e767bd639887bacacb458118d1720b0d2e67d83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10750-013-1800-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10750-013-1800-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Bolpagni, Rossano</creatorcontrib><creatorcontrib>Bresciani, Mariano</creatorcontrib><creatorcontrib>Laini, Alex</creatorcontrib><creatorcontrib>Pinardi, Monica</creatorcontrib><creatorcontrib>Matta, Erica</creatorcontrib><creatorcontrib>Ampe, Eva M</creatorcontrib><creatorcontrib>Giardino, Claudia</creatorcontrib><creatorcontrib>Viaroli, Pierluigi</creatorcontrib><creatorcontrib>Bartoli, Marco</creatorcontrib><title>Remote sensing of phytoplankton-macrophyte coexistence in shallow hypereutrophic fluvial lakes</title><title>Hydrobiologia</title><addtitle>Hydrobiologia</addtitle><description>We investigated with remote sensing (APEX images) the coexistence of phytoplankton and macrophytes in three interconnected shallow and hypereutrophic fluvial lakes (Mantua Lakes, Northern Italy). High concentrations of chlorophyll-a, up to 60 mg m⁻³, were determined in the open water between well-developed stands of floating-leaved, submerged, and emergent macrophytes. Our data suggest a general inhibition of phytoplankton by macrophytes, evidenced by decreasing chlorophyll-a concentrations in proximity of macrophyte stands. Chlorophyll-a concentrations halved in the proximity of emergent stands (~6 mg m⁻³ within 21 m from the stand border) when compared to the outer zones (~13 mg m⁻³). Contrasting trends were observed for submerged stands, where concentrations decreased inwards from ~8 to ~3 mg m⁻³. Floating leaved stands had a neutral effect, chlorophyll-a being nearly constant in both inner and outer zones. 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High concentrations of chlorophyll-a, up to 60 mg m⁻³, were determined in the open water between well-developed stands of floating-leaved, submerged, and emergent macrophytes. Our data suggest a general inhibition of phytoplankton by macrophytes, evidenced by decreasing chlorophyll-a concentrations in proximity of macrophyte stands. Chlorophyll-a concentrations halved in the proximity of emergent stands (~6 mg m⁻³ within 21 m from the stand border) when compared to the outer zones (~13 mg m⁻³). Contrasting trends were observed for submerged stands, where concentrations decreased inwards from ~8 to ~3 mg m⁻³. Floating leaved stands had a neutral effect, chlorophyll-a being nearly constant in both inner and outer zones. Overall, remotely-sensed data allow evaluation of quantitative and spatially defined interactions of macrophytes and phytoplankton at the whole ecosystem scale.</abstract><cop>Cham</cop><pub>Springer-Verlag</pub><doi>10.1007/s10750-013-1800-6</doi><tpages>10</tpages></addata></record> |
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subjects | Aquatic plants Biomedical and Life Sciences Chlorophyll Ecology ecosystems Eutrophication Freshwater Freshwater & Marine Ecology Geomorphology Lakes Life Sciences macrophytes Phytoplankton Plankton Plants in Hydrosystems Remote sensing Zoology |
title | Remote sensing of phytoplankton-macrophyte coexistence in shallow hypereutrophic fluvial lakes |
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