The natural factors and anthropogenic stressors influence on Chironomidae communities of two north-African wadis

Mediterranean streams reveal high biodiversity and play a crucial role for local populations. North African wadis are less known than European streams. Hence, there is a need to explore factors influencing their communities. Chironomid assemblages of the Seybouse and El Kebir-west wadis, located in...

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Autores principales: Hamache Ceria, Płóciennik Mateusz, Saal Imane, Arab Abdeslem
Formato: article
Lenguaje:EN
Publicado: EDP Sciences 2021
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Acceso en línea:https://doaj.org/article/1731d62a0de744a2918736a6d045a804
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spelling oai:doaj.org-article:1731d62a0de744a2918736a6d045a8042021-11-08T15:20:24ZThe natural factors and anthropogenic stressors influence on Chironomidae communities of two north-African wadis1961-950210.1051/kmae/2021034https://doaj.org/article/1731d62a0de744a2918736a6d045a8042021-01-01T00:00:00Zhttps://www.kmae-journal.org/articles/kmae/full_html/2021/01/kmae210033/kmae210033.htmlhttps://doaj.org/toc/1961-9502Mediterranean streams reveal high biodiversity and play a crucial role for local populations. North African wadis are less known than European streams. Hence, there is a need to explore factors influencing their communities. Chironomid assemblages of the Seybouse and El Kebir-west wadis, located in Algeria, were surveyed between July 2016 and July 2017. Among 28,045 collected larvae, 51 taxa were identified. The obtained results indicate that wadis saprobity, conductivity and pH vary seasonally. Air temperature and precipitation affect wadis differently in summer and winter. Two gradients driven by altitude define the river continuum: (1) the bottom substrate, from coarse to fine, and water quality, (2) the variety of meso-habitats from natural to anthropogenic. El Kebir-west, as a natural wadi, has unified communities throughout all its length. Communities of Seybouse vary due to the fact that this larger river is strongly influenced by human activity. Water management in Algeria should focus equally on water quality and natural habitats treatment.Hamache CeriaPłóciennik MateuszSaal ImaneArab AbdeslemEDP Sciencesarticlechironomidbiodiversityriver continuumnorth africanalgeriaAquaculture. Fisheries. AnglingSH1-691ENKnowledge and Management of Aquatic Ecosystems, Vol 0, Iss 422, p 35 (2021)
institution DOAJ
collection DOAJ
language EN
topic chironomid
biodiversity
river continuum
north african
algeria
Aquaculture. Fisheries. Angling
SH1-691
spellingShingle chironomid
biodiversity
river continuum
north african
algeria
Aquaculture. Fisheries. Angling
SH1-691
Hamache Ceria
Płóciennik Mateusz
Saal Imane
Arab Abdeslem
The natural factors and anthropogenic stressors influence on Chironomidae communities of two north-African wadis
description Mediterranean streams reveal high biodiversity and play a crucial role for local populations. North African wadis are less known than European streams. Hence, there is a need to explore factors influencing their communities. Chironomid assemblages of the Seybouse and El Kebir-west wadis, located in Algeria, were surveyed between July 2016 and July 2017. Among 28,045 collected larvae, 51 taxa were identified. The obtained results indicate that wadis saprobity, conductivity and pH vary seasonally. Air temperature and precipitation affect wadis differently in summer and winter. Two gradients driven by altitude define the river continuum: (1) the bottom substrate, from coarse to fine, and water quality, (2) the variety of meso-habitats from natural to anthropogenic. El Kebir-west, as a natural wadi, has unified communities throughout all its length. Communities of Seybouse vary due to the fact that this larger river is strongly influenced by human activity. Water management in Algeria should focus equally on water quality and natural habitats treatment.
format article
author Hamache Ceria
Płóciennik Mateusz
Saal Imane
Arab Abdeslem
author_facet Hamache Ceria
Płóciennik Mateusz
Saal Imane
Arab Abdeslem
author_sort Hamache Ceria
title The natural factors and anthropogenic stressors influence on Chironomidae communities of two north-African wadis
title_short The natural factors and anthropogenic stressors influence on Chironomidae communities of two north-African wadis
title_full The natural factors and anthropogenic stressors influence on Chironomidae communities of two north-African wadis
title_fullStr The natural factors and anthropogenic stressors influence on Chironomidae communities of two north-African wadis
title_full_unstemmed The natural factors and anthropogenic stressors influence on Chironomidae communities of two north-African wadis
title_sort natural factors and anthropogenic stressors influence on chironomidae communities of two north-african wadis
publisher EDP Sciences
publishDate 2021
url https://doaj.org/article/1731d62a0de744a2918736a6d045a804
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