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Rohu reach sexual maturity between two and five years of age. They generally spawn during the monsoon season, keeping to the middle of flooded rivers above tidal reach. The spawning season of rohu generally coincides with the southwest monsoon. Spawn may be collected from rivers and reared in tanks and lakes. [2]
Map of the major rivers, lakes and reservoirs in India. The Narmada is a river in central India in Indian subcontinent. It forms the traditional boundary between North India and South India, and is a total of 1,289 km (801 mi) long. It is one of only three major rivers in peninsular India that run from east to west, along with the Tapti and the ...
Fish boats in Tamil Nadu. Fishing in India contributed over 1% of India's annual gross domestic product in 2008. Fishing in India employs about 14.5 million people. [6] To harvest the economic benefits from fishing, India has adopted exclusive economic zone, stretching 200 nautical miles (370 km) into the Indian Ocean, encompasses more than 2 million square kilometers.
However, India only catches only 8 percent of its annual rainfall due to poor rainwater harvesting. Due to rapid urbanization, a lot of the ponds used to capture water have been lost due to the rising population and inefficient implementation of city planning guidelines. [21] India has also been lacking in the treatment of wastewater for
Mrigal is popular as a food fish and an important aquacultured freshwater species throughout South Asia. [4] It is widely farmed as a component of a polyculture system of three Indian major carps, along with roho labeo and the catla. It was introduced by aquaculture across India started in the early 1940s, and later to other Asian countries.
The fresh water fishes of the Indian region. Narendra Publishing House, New Delhi. Pp 551. Day F. 1878. The fishes of India: being a natural history of the fishes known to inhabit the seas and fresh waters of India, Burma and Ceylon. Text and Atlas in 4 Parts. London, pp xx + 778+195. Daniels R. 2002. Fresh water fishes of Peninsular India.
The Yamuna is one of the few sacred rivers in India, revered by many as a goddess. However, the river has come under extreme stress due to the exponential rise in the number of tourists and pilgrims, coupled with the growing population along its banks. As a result of this rapid increase in human activity, the Yamuna has become severely polluted.
Wide range of climatic conditions in India gave rise to rich variety of flora. India covers more than 45,000 species of flora, out of which several are endemic to the region. India is divided into eight main floristic regions: North-Western Himalayas, Eastern Himalayas, Assam, Indus plain, Ganga plain, the Deccan, the Malabar and the Andamans. [9]