1.
Ecologische studie van het Zwalmproject (drinkwaterproductiecentrum Zingem, Oost-Vlaanderen):grondwaterwinning met oppervlakte-infiltratie
2.
Conservation status of the Natura 2000 habitat 2150 (Atlantic decalcified fixed dunes (Calluno-Ulicetea)) for the Belgian Atlantic region
3.
4.
Conservation status of the Natura 2000 habitat 2130 (Fixed coastal dunes with herbaceous vegetation (grey dunes)) for the Belgian Atlantic region