Ecological characteristics of Potamogeton-communities in the mountainous wetlands of Ardabil province

Potamogeton communities are specific to the fresh waters of mountainous areas and highlands. The northern and eastern slopes of Sabalan Mountain and the heights of Talesh Mountain (Baghru) from 1800 to 3000 meters above sea level, have numerous small and large wetlands that have provided the background for the emergence of Potamogeton nodosus community. Alvares mountainous lagoon located at an altitude of 3000 meters on the eastern slopes of Sabalan and Neor Wetlands at 2480 m in Talesh Mountain (Baghro), with Potamogeton communities are beautiful landscapes of Iran's nature. Their remoteness and cold and icy nature in autumn and winter to mid-spring, has caused them to remain pristine.The life form of Potamogeton community is floating or aquaticplants. Potamogeton nodosus Poir.in the higher altitudes and Potamogeton pectinatus L. in the middle altitudes, are the predominant species. From the depths to the edge of the lake, along with Potamogeton communities, several species such as Mentha aquatic L., Blysmus compressus Panz. and Polygonum amphibium L. are visible.