The history of Cladium mariscus (L.) Pohl. in the "Kłocie Ostrowieckie" reserve (Drawieński National Park). Part I

The ob jec tive of the paleoecological stud ies un der taken in the “K³ocie Ostrowieckie” re serve was mainly to re con - struct the subfossil mire veg e ta tion at a lo cal and re gional scale. This ar ti cle pres ents the re sults of palynological and plant macroremain anal y ses of this site, and be longs to the first pub lished stud ies of such a type, made in the Drawieñski Na tional Park. Based on our stud ies, five phases in the his tory of the mire de vel op ment were de ter mined. The most pro nounced fea ture of that his tory, was a de cline of Cladietum marisci clearly con cur rent with a strong yet puz zling ex pan sion of pine stands oc cur ring ap prox i mately 1000 years ago.