In central France, the observed decline in the number and size of Galba truncatula and Omphiscola glabra populations still continued between the two study periods: 2013-2017 and 2020-2021. This decline may be due in part to heatwave episodes s that occurred in 2018, 2019 and 2020 in this region.
Int. J. Lim., 58 (2022) 11
Published online: 23 September 2022