(ii) they get supply of water only when the rivers are in flood. Such canals are useful for the diversion of flood water from the rivers and … Grassland ecosystem contains five types of grasslands … Hence, option a is correct. Perennial rivers and lakes are those which bear water throughout the year while seasonal rivers and lakes have water only during a particular period, ie rainy season. (i) they remain operational only during the rainy season. The himalayan river system are perennial because they get glacier water during summer season. Was this answer helpful? Inundation canals are being converted to perennial canals because: In this, water is taken out directly from the rivers without making any kind of barrage or dam. Give reasons why the himalayan region consists of perennial rivers. Monocarpic plants are those plants that flower and fruit only once and then die. What are perennial and non-perennial rivers? The grassland ecosystem contains plants that do not grow much. The rivers that have water throughout the year are called perennial rivers. Inundation canals 1. Their height can vary from 1-4 m. They are also called as semelparous plants. In india himalayan rivers like ganga and bhramaputra are perennial rivers. Most perennial plants are polycarpic. The plants may be annual (brassica), biennial (sugar beet) or perennial (canna). Grasslands grow in the area where there is less moisture in the soil. Most of the rivers in peninsular india are non-perennial because they are mostly rain-fed. These are both rain fed and formed … They flower many … Most himalayan rivers originating in himalayan peaks are perennial because they are fed by the melting snow throughout the year. These are of a relatively lower height and are woody plants.
