Upsc Environment

2021-10-26 19:54:27 Ashtamudi Lake

Ashtamudi Lake (Ashtamudi Kayal), in the Kollam District of the Indian state of Kerala, is the most visited backwater and lake in the state.

It possesses a unique wetland ecosystem and a large palm-shaped (also described as octopus-shaped) water body, second only in size to the Vembanad estuary ecosystem of the state.

The lake is also called the gateway to the backwaters of Kerala and is well known for its houseboat and backwater resorts

Ashtamudi Wetland was included in the list of wetlands of international importance, as defined by the Ramsar Convention for the conservation and sustainable utilization of wetlands

Kallada River is a major river discharging into the Ashtamudi Lake. Open / Comment

2021-10-26 12:41:31 Lonar Lake

Lonar Lake, also known as Lonar crater, is a notified National Geo-heritage Monument,saline, soda lake, located at Lonar in Buldhana district, Maharashtra, India

Lonar Lake was created by a meteorite collision impact during the Pleistocene Epoch.

It is one of the four known, hyper-velocity, impact craters in basaltic rock anywhere on Earth. 

Lonar Crater sits inside the Deccan Plateau – a massive plain of volcanic basalt rock created by eruptions some 65 million years ago.

A 2019 study, conducted by IIT Bombay found that the minerals in the lake soil are very similar to the minerals found in moon rocks brought back during the Apollo Program.

 The lake was declared a protected Ramsar site in November 2020. Open / Comment

2021-10-24 08:53:41 Kabartal Wetland

 It is also known as Kanwar Jheel.It covers 2,620 hectares of the Indo-Gangetic plains in the Begusarai district of Bihar.

Significant biodiversity is present in the wetland.It is also an important stopover along the Central Asian Flyway for migratory waterbirds.

home to species such as white rumped vulture(Critically Endangered), red-headed vulture (Critically Endangered) and two waterbirds, the sociable lapwing (Vanellus gregarius) and Baer’s pochard (Aythya baeri). Open / Comment

2021-10-23 08:45:09 Bhojtal lake


Bhojtal, formerly known as Upper Lake, is a large lake which lies on the western side of the capital city of Madhya Pradesh, Bhopal, India.

Bada talaab, along with the nearby Chhota Talaab, meaning small lake in Hindi, constitute Bhoj Wetland, which is now a Ramsar site.

According to the local folklore, Bhojtal is said to have been built by the Paramara Raja Bhoj during his tenure as a king of Malwa (1005–1055). 

Bhojtal is situated on the west central part of Bhopal city and is surrounded by Van Vihar National Park on the south, human settlements on the east and north, and agriculture fields on the west

The Kolans was formerly a tributary of the Halali River, but with the creation of the lake using an earthen dam and a diversion channel, the upper reach of the Kolans River and Bada Talaab now drain into the Kaliasote River.


The two lakes support flora and fauna. White stork, blacknecked stork, barheaded goose, spoonbill etc., that have been rare sightings in the past, have started appearing. A recent phenomenon is the gathering of 100-120 sarus cranes in the lake.

The largest bird of India, sarus crane (Grus antigone) is known for its size, majestic flight and lifetime pairing Open / Comment

2021-10-23 08:43:09 Deepor Beel

It is one of the largest freshwater lakes in Assam and the State’s only Ramsar site besides being an Important Bird Area by Birdlife International.

It is located towards the southwest of Guwahati city, Assam and is the erstwhile water channel of River Brahmaputra.

The lake expands up to 30 sq. km in summer and reduces to about 10 sq. km in the winter. The wildlife sanctuary measures 4.1 sq. km within this wetland (beel).

It has both biological and environmental importance besides being the only major storm-water storage basin for Guwahati city. Open / Comment

2021-10-20 17:56:32 Chandra Taal lake

Chandra Tal is a lake in the Lahaul part of the Lahul and Spiti district of Himachal Pradesh (India).

 Chandra Taal is near the source of the Chandra River.

is usually associated with Spiti, but geographically is a part of Lahaul. Kunzum La separates Lahaul and Spiti valleys.

Chandra Taal is home to a few species such as the Snow Leopard, Snow Cock, Chukor, Black Ring Stilt, Kestrel, Golden Eagle, Chough, Red Fox, Himalayan Ibex, and Blue Sheep.  Open / Comment

2021-10-20 08:50:30  Pong Dam Lake

Maharana Pratap Sagar in India, also known as Pong Reservoir or Pong Dam Lake was created in 1975, by building the highest earthfill dam in India on the Beas River in the wetland zone of the Siwalik Hills in HIMACHAL PRADESH

the lake is a well-known wildlife sanctuary and one of the 27 international wetland sites declared in India by the Ramsar Convention

The reservoir was declared as a bird sanctuary in 1983.  Open / Comment

2021-10-20 05:12:07 Pangong Tso or Pangong Lake 


is an endorheic lake spanning eastern Ladakh and West Tibet

Approximately 50% of the length of the overall lake lies within Tibet China, 40% in Ladakh India and the rest is disputed and is a de-facto buffer zone between India and China

During winter the lake freezes completely, despite being saline water. It has a land-locked basin separated from the Indus River basin by a small elevated ridge, but is believed to have been part of the latter in prehistoric times. Open / Comment

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2021-10-16 09:28:11 Pangong Tso or Pangong Lake 


is an endorheic lake spanning eastern Ladakh and West Tibet

Approximately 50% of the length of the overall lake lies within Tibet China, 40% in Ladakh India and the rest is disputed and is a de-facto buffer zone between India and China

During winter the lake freezes completely, despite being saline water. It has a land-locked basin separated from the Indus River basin by a small elevated ridge, but is believed to have been part of the latter in prehistoric times. Open / Comment