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. The himalayan river system are perennial because they get glacier water during summer season. Most of the rivers in peninsular india are non-perennial because they are mostly rain-fed. 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 plants may be annual (brassica), biennial (sugar beet) or perennial (canna). These are both rain fed and formed through melting of the … Most himalayan rivers originating in himalayan peaks are perennial because they are fed by the melting snow throughout the year. What are perennial and non-perennial rivers? Hence, option a is correct. The grassland ecosystem contains plants that do not grow much. Grasslands grow in the area where there is less moisture in the soil. (ii) they get supply of water only when the rivers are in flood. Most perennial plants are polycarpic. These are of a relatively lower height and are woody plants. Was this answer helpful? They are also called as semelparous plants. (i) they remain operational only during the rainy season. Inundation canals 1. They flower many seasons in a lifetime. Give reasons why the himalayan region consists of perennial rivers. 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 operational … Grassland ecosystem contains five types of grasslands that are tropical … Their height can vary from 1-4 m. In india himalayan rivers like ganga and bhramaputra are perennial rivers. Monocarpic plants are those plants that flower and fruit only once and then die.
