Die Eutrophierung der Gewässer im Rheineinzugsgebiet, insbesondere des IJsselmeeres: Probleme und Losungsmoglichkeiten. in Arbeitstagung 1981 der Internationale Arbeitsgemeinschaft der Wasserwerke im Rheineinzugsgebiet (IAWR).. (The eutrophication
One of the most important problems of the water quality in the IJsselmeer area is eutrophication, caused by the supply of Rhine water. A description of the lakes in the IJsselmeer area is given. Several influences on water quality have been dealt
with. Present politics are analysed and possible measures against eutrophication are described. (H. Winteraeken).
Lake Sobygaard, Denmark : a shallow lake in recovery after a reduction in phosphorus loading in Shallow lakes environment. (L'environnement des lacs eutrophes)
Association végétale ; Dynamique de la végétation ; Ecotone ; France ; France du Nord ; France du Nord-Ouest ; Géographie de l'Europe ; Lisière forestière ; Ourlet ; Ourlet acidiphile ; Ourlet calcicole ; Ourlet eutrophe ; Ourlet préforestier
The Niederrheinische Fleuthkuhlen are a rank of eutrophic waters. Their ecological functions worthy of protection are be made subject of research by means of geoecological-botanical investigation and evaluation. An adequate biome-planning is made