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Influence of water quality on the composition and distribution of riparian vegetation in the Cheliff River, Algeria.

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Title: Influence of water quality on the composition and distribution of riparian vegetation in the Cheliff River, Algeria.
Authors: Bouzada, Nassira1 (AUTHOR) n.bouzada@univ-chlef.dz, Ababou, Adda1 (AUTHOR) a.ababou@univ-chlef.dz, Senouci, Fatima1 (AUTHOR) f.senouci@univ-chlef.dz, Chenaoui, Ali2 (AUTHOR) a.chenaoui@univ-chlef.dz, Bouthiba, Abdelkader3 (AUTHOR) ab.bouthiba@univ-chlef.dz
Source: Environmental Monitoring & Assessment. May2026, Vol. 198 Issue 5, p1-18. 18p.
Subject Terms: *Water quality, *Riparian plants, *Riparian areas, *Ecological assessment, *Wetland plants, *Bioindicators
Geographic Terms: Algeria
Abstract: This ecological study was conducted along the Cheliff River in northwestern Algeria to evaluate how water quality shapes riparian plant communities. Floristic surveys and water quality analyses were performed at ten stations across the upstream and downstream sections. The hierarchical classification distinguished four main vegetation units: the Centaurium-Sonchus (CS) unit, associated with downstream sites affected by urban wastewater; the Plantago-Medicago-Lolium (PML) unit, linked to upstream agricultural runoff; the Solanum-Melissa-Bryonia (SMB) unit, reflecting industrial influence with high sulfates and nitrates; and the Aster-Atriplex-Nicotiana (AAN) unit, indicating alkaline conditions. Redundancy analysis (RDA) confirmed that these assemblages were strongly correlated with environmental gradients, explaining 60.6% of the species-environment variation. Key drivers included pH, conductivity, nitrates, orthophosphates, and iron, which successfully differentiated pollution gradients from urban, agricultural, and industrial sources. The dominance of nitrophilous and ruderal species in highly disturbed areas signals advanced ecological degradation, while several taxa demonstrated strong tolerance to pollutants, highlighting their bioindicator potential. These findings validate the use of macrophyte communities for monitoring water quality and provide a scientific basis for managing Mediterranean river ecosystems. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
FullText Text:
  Availability: 0
Header DbId: enr
DbLabel: Energy & Power Source
An: 193884633
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Influence of water quality on the composition and distribution of riparian vegetation in the Cheliff River, Algeria.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Bouzada%2C+Nassira%22">Bouzada, Nassira</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> n.bouzada@univ-chlef.dz</i><br /><searchLink fieldCode="AR" term="%22Ababou%2C+Adda%22">Ababou, Adda</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> a.ababou@univ-chlef.dz</i><br /><searchLink fieldCode="AR" term="%22Senouci%2C+Fatima%22">Senouci, Fatima</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> f.senouci@univ-chlef.dz</i><br /><searchLink fieldCode="AR" term="%22Chenaoui%2C+Ali%22">Chenaoui, Ali</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> a.chenaoui@univ-chlef.dz</i><br /><searchLink fieldCode="AR" term="%22Bouthiba%2C+Abdelkader%22">Bouthiba, Abdelkader</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> ab.bouthiba@univ-chlef.dz</i>
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Monitoring+%26+Assessment%22">Environmental Monitoring & Assessment</searchLink>. May2026, Vol. 198 Issue 5, p1-18. 18p.
– Name: Subject
  Label: Subject Terms
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  Data: *<searchLink fieldCode="DE" term="%22Water+quality%22">Water quality</searchLink><br />*<searchLink fieldCode="DE" term="%22Riparian+plants%22">Riparian plants</searchLink><br />*<searchLink fieldCode="DE" term="%22Riparian+areas%22">Riparian areas</searchLink><br />*<searchLink fieldCode="DE" term="%22Ecological+assessment%22">Ecological assessment</searchLink><br />*<searchLink fieldCode="DE" term="%22Wetland+plants%22">Wetland plants</searchLink><br />*<searchLink fieldCode="DE" term="%22Bioindicators%22">Bioindicators</searchLink>
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  Label: Geographic Terms
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  Data: <searchLink fieldCode="DE" term="%22Algeria%22">Algeria</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This ecological study was conducted along the Cheliff River in northwestern Algeria to evaluate how water quality shapes riparian plant communities. Floristic surveys and water quality analyses were performed at ten stations across the upstream and downstream sections. The hierarchical classification distinguished four main vegetation units: the Centaurium-Sonchus (CS) unit, associated with downstream sites affected by urban wastewater; the Plantago-Medicago-Lolium (PML) unit, linked to upstream agricultural runoff; the Solanum-Melissa-Bryonia (SMB) unit, reflecting industrial influence with high sulfates and nitrates; and the Aster-Atriplex-Nicotiana (AAN) unit, indicating alkaline conditions. Redundancy analysis (RDA) confirmed that these assemblages were strongly correlated with environmental gradients, explaining 60.6% of the species-environment variation. Key drivers included pH, conductivity, nitrates, orthophosphates, and iron, which successfully differentiated pollution gradients from urban, agricultural, and industrial sources. The dominance of nitrophilous and ruderal species in highly disturbed areas signals advanced ecological degradation, while several taxa demonstrated strong tolerance to pollutants, highlighting their bioindicator potential. These findings validate the use of macrophyte communities for monitoring water quality and provide a scientific basis for managing Mediterranean river ecosystems. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=193884633
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1007/s10661-026-15267-4
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 18
        StartPage: 1
    Subjects:
      – SubjectFull: Water quality
        Type: general
      – SubjectFull: Riparian plants
        Type: general
      – SubjectFull: Riparian areas
        Type: general
      – SubjectFull: Ecological assessment
        Type: general
      – SubjectFull: Wetland plants
        Type: general
      – SubjectFull: Bioindicators
        Type: general
      – SubjectFull: Algeria
        Type: general
    Titles:
      – TitleFull: Influence of water quality on the composition and distribution of riparian vegetation in the Cheliff River, Algeria.
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Bouzada, Nassira
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          Name:
            NameFull: Ababou, Adda
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            NameFull: Senouci, Fatima
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            NameFull: Chenaoui, Ali
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            NameFull: Bouthiba, Abdelkader
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          Dates:
            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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              Value: 01676369
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              Value: 198
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              Value: 5
          Titles:
            – TitleFull: Environmental Monitoring & Assessment
              Type: main
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