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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EDP Sciences
2021
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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) |
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chironomid biodiversity river continuum north african algeria Aquaculture. Fisheries. Angling SH1-691 |
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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 |
work_keys_str_mv |
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