A brief survey was carried out to determine the size and extent of the Vertigo moulinsiana population principally in the area of its initial discovery on Westbere Marshes and also on potentially suitable sites nearby. The brief survey showed that in 2000 Vertigo moulinsiana was widely distributed within the survey area, and in places, was locally abundant. This report summarised the results of the survey and provided recommendations for future management and conservation.
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