Number of lost snail habitats in 2013–2016 in relation to the cause of population decline and the type of habitat. A/B, habitats colonized by Galba truncatula/sites inhabited by Omphiscola glabra.
|Parameters||Number of lost habitats: A/B*
||Road ditches (260/92)||Spring heads (192/83)||Streams (43/13)||Pools & ponds (30/9)|
|Furrows (434/52)||Ditches (59/9)|
|Gyro-crushing of vegetation||43/6||4/1||27/11||172/66||4/1||3/2|
|Creation of ponds||21/7||5/1||0/0||¾||0/0||0/0|
|Drying out of ponds||0/0||0/0||0/0||0/0||0/0||19/4|
|Straightening of banks||0/0||3/0||0/0||0/0||38/11||7/3|
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