MESSAGES LOST

So sorry !  Due to an erroneous handling I lost a number of messages and requests for advice.  Please forgive my mistake.  Should you feel the need to contact me again, please do not hesitate.

Promising to be more careful,

Willem Van Cotthem

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Willem Van Cotthem

Honorary Professor of Botany, University of Ghent (Belgium). Scientific Consultant for Desertification and Sustainable Development.