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Measures of optimisation of petrifying springs with tufa formation (Cratoneurion) and their surroundings in the Franconian Alb (Kalktuffquellen Frankenalb)
Date du début: 1 juil. 2003, Date de fin: 31 déc. 2007,
Background
Among the more unusual priority habitat types listed on the Annex I of the Habitats Directive are the petrifying springs with tufa formation (Cratoneurion). Such habitats are often only a few square metres in area â the spring and its immediate surroundings, but provide unique living conditions for its specialized species.
These micro-habita ...
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