Question

Differentiate between alpine and arid zone.

Answer 1

Answer:

alpine zone

• Alpine tundra is a type of natural region  that does not contain trees because it is at high elevation.

• As the latitude of a location approaches the poles, the threshold elevation for alpine tundra gets lower until it reaches sea level, and alpine tundra merges with polar tundra.

• Because the habitat of alpine vegetation is subject to intense radiation, wind, cold, snow, and ice, it grows close to the ground and consists mainly of perennial grasses, sedges, and forbs. Perennial herbs (including grasses, sedges, and low woody or semi-woody shrubs) dominate the alpine landscape; they have much more root and rhizome biomass than that of shoots, leaves, and flowers.

arid zone

• A region is arid when it is characterized by a severe lack of available water, to the extent of hindering or preventing the growth and development of plant and animal life.

• Environments subject to arid climates tend to lack vegetation and are called desertic.

• The distribution of aridity observed at any one point in time is largely the result of the general circulation of the atmosphere. The latter does change significantly over time through climate change. For example, temperature increase across the Nile Basin over the next 30–40 years could change the region from semi-arid to arid, resulting in a significant reduction in agricultural land.

Answer 2

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Alpine Zone:

• This climate zone can be experienced at the high altitudes of the Himalayas. In this zone, we have snow throughout the year.

Arid Zone:

• High temperature and low rainfall are the two main marked features of this climatic zone. It is prevalent in western part of the country and includes a large part of Rajasthan. The temperature in this zone may shoot up to as high as 50 degree celsius in summer.

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