Riverbank ecosystem presents special habitat features of sloping topography, periodic inundation resulting in the temporary submergence of the vegetation which also faces the erosive forces of floodwaters. During the summer months, it is subjected to intense drought conditions. Under such unstable and challenging conditions certain plant species colonize the riverbanks and form plant communities. After raining season with the receding of flood waters the vegetation appears in the form of characteristic belts which are quite distinct due to their shape, number and continuity along the Yamuna riverine slopes. The plant species inhabiting the riverbanks are certain wetland winter annuals with a very short life span. The seed stock of these species is readily available ofi the bank and when the river comes in spate, the seeds are disseminated through the water currents.
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