Control of Fasciolosis-Transmitting Lymnaeids in the Field

Rondelaud, Daniel; Vignoles, Philippe; Dreyfuss, Gilles; Pointier, Jean-Pierre; Vázquez, Antonio A.

doi:10.1007/978-3-031-30292-3_15

Cited by 2 publications

(1 citation statement)

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“…In addition, freshwater snails can be carriers and transmitters of several parasites and pathogens [14][15][16][17] that spread through being carried by their hosts. A good example of a successful biological invasion among the Gastropoda class is the acute bladder snail (Physella acuta) (Draparnaud, 1805)-an aquatic pulmonate snail with a left-handed light and glossy yellowish corneous shell and pointed apex, and no operculum.…”

Section: Introductionmentioning

confidence: 99%

Factors Explaining the Distribution of Physella acuta (Draparnaud, 1805) in Freshwaters of Morocco

Taybi,

Mabrouki,

Glöer

et al. 2024

Water

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Invasive species are a major threat to global biodiversity. Therefore, it is crucial to monitor their presence and expansion within invaded areas and carry out studies to improve our knowledge of their biology and ecology. One of the most effective and spectacular invaders among freshwater snails is the acute bladder snail (Physella acuta) (Draparnaud, 1805). This study aims to update the available data on P. acuta in Morocco and determine the main environmental factors that favor its distribution and expansion in this country. Field surveys were conducted in northern Morocco between 2014 and 2023, with a focus on protected areas such as Ramsar sites, and especially great geographical barriers such as the Middle Atlas Mountains and the Sebou and Moulouya River basins. The gastropods were collected using Surber samplers (20 × 25 cm surface area, 400 µm mesh), together with measurements of the physicochemical parameters of the water and other abiotic factors. The bladder snail is probably the most widespread freshwater snail in Morocco, where the species appears to be highly adaptable and can thrive in different habitats, including degraded ones, showing great plasticity in terms of the physicochemical parameters of the water. The main factor limiting the geographical distribution and abundance of P. acuta in the study area was water velocity and conductivity. However, further studies are required to address the future range of expansion of P. acuta in relation to climate change. Although one of the consequences of climate change is reduced water flow speed, which may promote its range of expansion in Morocco, salinization of streams may also reduce its ability to colonize new environments.

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Section: Introductionmentioning

confidence: 99%