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