2017
DOI: 10.1051/limn/2017010
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Detection of habitats colonized by Omphiscola glabra (Gastropoda: Lymnaeidae) on acid soils using indicator plants

Abstract: The lymnaeid Omphiscola glabra is known to be an intermediate host in the life cycle of Fasciola hepatica and knowing its distribution in the field is important to determine that of the parasite. Looking at indicator plants has been proposed by several authors as one of the most practical ways of carrying out a malacological survey in pastures of a farm. Field investigations on 361 French farms breeding cattle or sheep on acid soils were thus carried out for 36 years in March or April to list indicator plant s… Show more

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Cited by 8 publications
(23 citation statements)
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“…The last argument concerns the development of macrophytes in the habitats of each species during the summer months. Vegetation was then quite high and dense around and/or in the habitats of O. glabra, while development was more limited and macrophyte density was much lower around sites colonized by G. truncatula (Rondelaud et al, 2011;Vignoles et al, 2017). Despite the habitat characteristics related to the geology of each region and the behaviour of each lymnaeid species, one cannot be excluded that the decline in populations, which is much more marked on acid soils, would not be due to the time interval between the two series of investigations (at least 6-7 years on acid soils instead of 3-4 years on sedimentary soils).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The last argument concerns the development of macrophytes in the habitats of each species during the summer months. Vegetation was then quite high and dense around and/or in the habitats of O. glabra, while development was more limited and macrophyte density was much lower around sites colonized by G. truncatula (Rondelaud et al, 2011;Vignoles et al, 2017). Despite the habitat characteristics related to the geology of each region and the behaviour of each lymnaeid species, one cannot be excluded that the decline in populations, which is much more marked on acid soils, would not be due to the time interval between the two series of investigations (at least 6-7 years on acid soils instead of 3-4 years on sedimentary soils).…”
Section: Discussionmentioning
confidence: 99%
“…In trampled areas, the vegetation was denser with a clear predominance of Poaceae over rushes and sedges. Snail habitats on the banks of ponds and streams were generally bare with sparse macrophytes belonging to various taxa (Rondelaud et al, 2011;Vignoles et al, 2017Vignoles et al, , 2018.…”
Section: Types Of Snail Habitatsmentioning
confidence: 99%
“…glabra, le nombre de populations est nettement plus faible (3137 sur un total de 11.992 points d'eau prospectés dans les mêmes fermes) et peuvent aussi être reconnus par la présence de Juncus effusus. La superficie des habitats est plus importante ((jusqu'à 10 m² pour 84,7 % d'entre eux) tandis que l'effectif au mètre carré est nettement plus faible avec 10 adultes transhivernants ou moins dans 68,4 % des cas (Vignoles et al, 2017c). Chez les deux espèces, le nombre d'habitats diminue fortement lorsque l'altitude augmente et ce fait doit être rapporté à une acidité plus importante audessus de 400 ou de 500 m selon l'espèce de la limnée (Dreyfuss et al, 2018b, c).…”
Section: Les Habitats Des Limnées Sur Sol Acideunclassified
“…Ceux d'O. glabra se situent sur le cours moyen des rigoles de drainage superficiel, tandis que G. truncatula colonise souvent l'extrémité amont de ces mêmes rigoles Dreyfuss et al, 2015 ;Vignoles et al, 2017Vignoles et al, , 2018.…”
Section: Introductionunclassified
“…Des introductions d'O. glabra dans de nouvelles stations ont déjà été réalisées par notre équipe au cours de deux expériences entre 1996 et 2005 sur sol acide et entre 2003 et 2009 sur sols acide et sédimentaire (Dreyfuss et al, 2010 ;Vignoles et al, 2017Vignoles et al, , 2018. Des échantillons de 100 limnées adultes ont été placés dans des rigoles de drainage superficiel ou des fossés de route en tenant compte des exigences du mollusque (nécessité d'une végétation assez dense dans chaque station, présence d'une source temporaire ou permanente) et les populations en résultant ont été suivies sur une période de neuf et de sept années, respectivement, pour analyser les variations d'effectif.…”
Section: Introductionunclassified