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