http://www.cnr.it/ontology/cnr/individuo/prodotto/ID272254
Environmental factors affecting the distribution of Chironomid larvae of the Seybouse wadi, Northeastern Algeria (Articolo in rivista)
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- Label
- Environmental factors affecting the distribution of Chironomid larvae of the Seybouse wadi, Northeastern Algeria (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.4081/jlimnol.2013.e16 (literal)
- Alternative label
1-2)Chaib N., 2)Bouhala Z., 2)Fouzari L., 3)Marziali L., 2-4)Samraoui B., 5)Rossaro B (2013)
Environmental factors affecting the distribution of Chironomid larvae of the Seybouse wadi, Northeastern Algeria
in Journal of limnology (Online)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- 1-2)Chaib N., 2)Bouhala Z., 2)Fouzari L., 3)Marziali L., 2-4)Samraoui B., 5)Rossaro B (literal)
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- 1)Département de Génie des Procédés, Faculté de Technologie, Université du 20 Août 1955, Skikda, Algeria;
2)Laboratoire de Recherche et de Conservation des Zones Humides, Université du 8 Mai 1945, Guelma, Algeria;
3)CNR-IRSA Water Research Institute, U.O.S. Brugherio, 20861 Brugherio (MB), Italy;
4)Center of Excellence for Research in Biodiversity, King Saud University,
Riyadh, Saudi Arabia;
5)Department of Food, Environmental and Nutritional Sciences (DeFENS), Università di Milano, Italy.
*Corresponding author: nadjla21@yahoo.fr (literal)
- Titolo
- Environmental factors affecting the distribution of Chironomid larvae of the Seybouse wadi, Northeastern Algeria (literal)
- Abstract
- A survey of the Seybouse wadi (North-Eastern Algeria) between 2008 and 2011 was conducted in 26 sampling sites located on the
main river and its tributaries using chironomids. From 3264 collected larvae, forty-five chironomid species were identified, and were
correlated to 13 environmental variables to predict determinant factors affecting their distribution. Indicator value (IndVal) analysis
was first performed to determine indicator chironomid species according to several factors (sites, seasons, source distance, granulometry,
conductivity, water temperature, dissolved oxygen, water velocity, pollution and the abundance of filamentous algae). Co-inertia analysis
(CoIA) supported the IndVal results, emphasising an upstream/downstream gradient in the first axis, while a granulometry gradient
was emphasised by the second axis. A pollution gradient was also highlighted in the plane of the first two axes, separating tolerant
Chironomus sp. 1, Cricotopus bicinctus and Cricotopus (Isocladius) sylvestris from intolerant species as Phaenopsectra flavipes,
Rheotanytarsus sp.1 and Cladotanytarsus sp. 1. (literal)
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