2005
DOI: 10.7202/705099ar
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Un indice biologique lacustre basé sur l'examen des oligochètes

Abstract: L'utilisation des indices oligochètes relevés dans la littérature pose un certain nombre de problèmes conceptuels et pratiques lorsque l'on étudie des lacs de taille réduite, le rôle des sédiments dans la distribution des oligochètes étant la plupart du temps ignoré.A partir d'analyses en composantes principales normées (ACP) comprenant, comme variables actives, 12 variables physico-chimiques des sédiments profonds de 12 lacs situés dans le Jura et les Vosges, nous avons projeté, en données supplémentaires, la… Show more

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Cited by 10 publications
(4 citation statements)
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“…Taxa are graded downwards in increasing order of tolerance level b, Verneaux 1996, Verneaux & Aleya 1996. Ground works : Brundin 1949, Saether 1979, Lafont et al 1991, Mouthon 1993.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Taxa are graded downwards in increasing order of tolerance level b, Verneaux 1996, Verneaux & Aleya 1996. Ground works : Brundin 1949, Saether 1979, Lafont et al 1991, Mouthon 1993.…”
Section: Resultsmentioning
confidence: 99%
“…Studies on relationships between biological data and environmental variables have shown that the littoral biotic index (Bl) was related to trophic potential (conductivity, calcium and nutrients) and that the taxonomic deficit index (Df) was related to the bottom dissolved oxygen and the organic matter content in sediment (Verneaux et al 1995. Many other authors have underlined the main role of these two factors in macrobenthos distribution (Brundin 1951, Johnson & Wiederholm 1989, Lafont et al 1991, Real & Prat 1991, Mouthon 1993 . It has been recently shown that dissolved oxygen proved to be limitant for macroinvertebrate biodiversity from 90 % saturation and very limitant from 65 % saturation, and that, for total organic carbon in sediment, a preferendum appeared around 3 % dw (Verneaux et al 2003).The proposed value (≈ 10 % OM in sediment) was considered as an indicator showing the onset of dysbiotic features a, Verneaux et al 2003.…”
Section: Discussionmentioning
confidence: 99%
“…Ces méthodes portent entre autres sur l'étude de la structure et de la composition des macro-invertébrés (Tumwesigye et al, 2000 ;Lomond & Colbo, 2000), l'utilisation des indices biotiques (Solimini et al, 2000 ;Lafont et al, 1991), l'utilisation des traits biologiques (Mondy et al, 2012 ;Vanden Bossche & Usseglio-Polatera, 2005 ;Statzner et al, 2004 ;Gayraud et al, 2003 ;UsseglioPolatera et al, 2000) et l'utilisation des analyses multivariées qui mettent en relation les facteurs environnementaux et les communautés de macro-inveré-brés (Floury et al, 2013 ;Piscart et al, 2005 ;Sarkar et al, 2005 ;Shivoga, 2001 ;Bauernfeind & Moog, 2000 ;Lancaster, 1999).…”
Section: Introductionunclassified
“…He correlated nutrient concentrations (total phosphorus, orthophosphates, total nitrogen, mineral nitrogen), transparency (Secchi depth) and chlorophyll a, and expanded results from the Alps to set up a national typology. Including then Oligochetae describing mineralization and assimilation of nutrients (Lafont 1989;Lafont, Juget et al 1991), and a Mollusc index responding to dissolved oxygen and organic matter content within sediment (Mouthon 1993) the 'rapid diagnosis' was tested on about thirty lakes spread across different regions (Mouchel 1986;1987;Barbe, Lavergne et al 1990). Nevertheless this work did not lead to systematic lake monitoring in France.…”
Section: To Now: Ecosystem Managementmentioning
confidence: 99%