Abstract This study is concerned with the changing ecological conditions in„the coastal area. between. Tekirdag and Istanbul. The pollen distribution in the area is dominated by non arboreal pollens (NAP).The increasing amount of spores, particularly Sphagnum in the lower zone 2 (between 40-60 cm) together with the existence of Plantago and Rumex in the lower zone indicate to reflect the human impact and the subsequent effect of secondary vegetation.