Floristic component of ecosystem of the Karalyk River

Karalyk River – the right tributary of the river Big Irgiz. The channel has no permanent watercourse, in summer it occasionally dries up, so along the entire course meet earthen dams, retarding flood flows. The task of this work included a comprehensive assessment of the flora of the river, the characteristics of systematic, ecological and biomorphological composition. Furthermore, the authors investigated the resource value of the riparian-aquatic plants. A study of the flora revealed 53 species of semi-aquatic plants, hydrophytes amount to 11,3%, hygrogelophytes – 7,5%, galofity (15%), hygrophytes – 30,8%, hygromesophyte and mesophytae of 39,6%. The types of plants growing in the bed of the river Karalic and the coast represented by 28 genera from 24 families. The taxa belong to the classes Liliiopsida (11 families) and are represented by a (13 families). The greatest number of species observed for the Asteraceae Salicaceaе, Fabaceae, Poaceae, Cyperaceae, Lemnaceae, Potamogetonaceae, Polygonaceae, Lamiaceae, and Typhaceae, they contain from 7 to 2 species, the remaining 14 families represented by one species. Analysis of the flora of the river Karalic showed that the aquatic flora contains 18 species or 34% of the total species composition. Low species diversity is due to the high degree of erosion processes, active processes of sedimentation as a result of failure of coastal protection zones. Low water clarity inhibits the development of the typical aquatic plants.