The correct answer is: d) All of the above
Sustainable river management is essential for protecting livelihoods, maintaining biodiversity, and ensuring long-term water security.
Protecting livelihoods
Rivers are essential for the livelihoods of millions of people in Bihar. They provide water for irrigation, drinking, and domestic use. They are also a source of food, fish, and other resources. Sustainable river management is essential to ensure that these resources are available for future generations.
Maintaining biodiversity
Rivers are home to a wide variety of plants and animals. Sustainable river management is essential to protect this biodiversity. This includes protecting the habitats of riverine species, managing water levels to ensure that there is enough water for all species, and preventing pollution.
Ensuring long-term water security
Rivers are a vital source of water for drinking, irrigation, and industry. Sustainable river management is essential to ensure that there is enough water for future generations. This includes reducing water pollution, managing water demand, and investing in water infrastructure.
In addition to these three key benefits, sustainable river management can also help to reduce flooding, improve water quality, and promote recreation.