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