Climate Change Impact on India and World – International Reports, Key Observations, etc.

Places in news: Yellowstone National Park

Note4Students

From UPSC perspective, the following things are important :

Prelims level: Yellowstone National Park

Mains level: NA

A new assessment of climate change in the Yellowstone National Park shows that it has lost a quarter of its annual snowfall.

Yellowstone National Park

  • Yellowstone NP is an American national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana and Idaho.
  • Yellowstone was the first national park in the US and is also widely held to be the first national park in the world.
  • The park is known for its wildlife and its many geothermal features, especially Old Faithful geyser, one of its most popular.
  • While it represents many types of biomes, the subalpine forest is the most abundant. It is part of the South Central Rockies forests ecoregion.
  • The area also represents the one point where the three major river basins of the western U.S. converge.
  • The rivers of the Snake-Columbia basin, Green-Colorado basin, and Missouri River Basin all begin as snow on the Continental Divide as it weaves across Yellowstone’s peaks and plateaus.

Impact of climate change

  • Since 1950, average temperatures in the Greater Yellowstone Area have risen 1.3°C and potentially, more importantly, the region has lost a quarter of its annual snowfall.
  • The loss of snow there has repercussions for a vast range of ecosystems and wildlife, as well as cities and farms downstream that rely on rivers that start in these mountains.
  • It is home to the southernmost range of grizzly bear populations in North America and some of the longest intact wildlife migrations, including the seasonal traverses of elk, pronghorn, mule deer and bison.

Answer this PYQ in the comment box:

Q.Consider the following pairs:

River                              Flows into

1. Mekong –                   Andaman Sea

  1. Thames –                     Irish Sea
  2. Volga –                     Caspian Sea
  3. Zambezi –                  Indian Ocean

Which of the statements given above is/are correct? (CSP 2020)

(a) 1 and 2 only

(b) 3 only

(c) 3 and 4 only

(d) 1,2 and 4 only

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