Albert P. Oost
A short introduction
27thof November 2020
Clay pits
N a a m A
Wadden Sea: mud transport from west to east
2000 years of clay mining
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Dike of Peins (1st BC) with Ditch of which clay was taken from the marshlands
Wadden Sea: mud transport from west to east
Can we take another piece ofthe mud cake for our dikes?
Is local clay mining bad?
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No, less import of clay from far away
Is local clay mining bad?
No, if clay pits are behind the dike (and add to natural values)
Is local clay mining bad?
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Yes, if clay pits remain water- logged mining sites for many decennia (low natural values)
Is local clay mining bad?
No, if clay pits add a plus to the natural values →
A new way of thinking!
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