Land, Rivers and Nature

Rivers and where they meet, mountains and glaciers, forests that communities protect, and how people and laws care for nature.

Key ideas

People have always settled near rivers for drinking water, farming, fertile soil, fish and travel.
Rivers like the Ganga, Yamuna, Narmada and Kaveri are called lifelines.
A confluence (sangam) is a place where rivers meet: at Devprayag the Bhagirathi and Alaknanda join to form the Ganga.
Community forests are protected by local people; they shelter plants and animals and help conserve water.
The Dongria Khond protect the Niyamgiri hills and the Todas care for the Nilgiris around them.
Laws protect nature too: Sikkim protected its mountains, caves, lakes and hot springs, and a New Zealand law treats Mount Taranaki like a person.
Sewage, factory waste and rubbish pollute rivers; using resources sustainably leaves enough for the future.

Remember

Confluence	a place where two or more rivers meet
Devprayag	Bhagirathi + Alaknanda → Ganga
Community forest	a forest local people protect and do not cut
Mawphlang forest	Meghalaya
Niyamgiri hills	Odisha (Dongria Khond)
Biodiversity	the variety of plants and animals in a place
Sustainability	using resources so future generations also have enough

Watch out

Getting the Devprayag rivers wrong: the Bhagirathi and the Alaknanda join there.
Mixing up biodiversity (variety of life) and sustainability (lasting use of resources).
Multiplying the wrong numbers for a journey: distance = days × distance a day.

Worked example

A long walk along a river lasts 21 days. (a) At 19 km a day, how long is the route? (b) How far have the walkers gone after the first 5 days? (c) How can long journeys help people learn about other regions?

Working: 21 × 19; 5 × 19

Answer: (a) 399 km (b) 95 km (c) Walkers meet people of many places, try their food and hear their languages and customs.