Short note on desert. Short Note on Indian Desert 2022-10-24
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A desert is a barren area of land where little precipitation occurs and, as a result, living conditions are hostile for plant and animal life. The lack of water makes it difficult for plants to grow, and the extreme temperatures and dry air can be challenging for animals to survive.
There are several types of deserts, including hot and dry, semi-arid, coastal, and cold. Hot and dry deserts, such as the Sahara in Africa and the Mojave in North America, are characterized by extreme heat and a lack of moisture. Semi-arid deserts, such as the Sonoran in North America and the Patagonian in South America, receive slightly more rainfall and have a wider range of temperatures. Coastal deserts, such as the Atacama in South America and the Namib in Africa, are found along the coasts and are influenced by cool sea breezes and fog. Cold deserts, such as the Gobi in Asia and the Great Basin in North America, experience cold winters and have very little vegetation.
Despite their harsh conditions, deserts are home to a variety of unique and adapted plant and animal species. Cacti, succulents, and other drought-resistant plants are able to survive in the dry desert climate. Animals such as camels, snakes, and rodents have adapted to the desert environment and are able to conserve water and survive in the extreme heat.
Deserts also have cultural and economic significance. Many desert regions have been inhabited by human societies for centuries, and they have played an important role in the development and trade of goods such as silk, spices, and gold. Today, deserts are used for a variety of purposes, including mining, tourism, and military training.
Overall, deserts are vast and diverse regions that are home to unique and adapted plant and animal life and have played an important role in human history and culture. Despite their harsh conditions, they remain a fascinating and important part of our planet.
The Desert Biome: Facts, Characteristics, Types Of Desert, Life In Deserts
It has also caused air pollution due to gaseous pollutants like sculpture dioxide, nitrogen oxide, carbon monoxides and hydrocarbons, etc. Such as Gangri glacier. The Living Deserts of Southern Africa. Minerals are found here. For example, Sehima nervosum recorded a plant cover of 11. The Ganganagar district benefits by Indira Gandhi Canal have become a leading dicer of cereals and cotton.
If you want to understand these concepts more accurately and to make detailed notes, then go through the given link CBSE Class 7 Geography Chapter 9. The temperature during the summers in a day is just above 0°C and at night it reaches up to -30°C whereas, In winters, the temperature is extremely cold and remains below -40°C most of the time. The least complex change is to have a more limited lifecycle, which is found in the desert ephemerals that develop in the primary downpours in July and cease to exist when the dirt evaporates by December, abandoning seeds that will blossom in the future one year from now. Winters are extremely cold with a temperature as low as -30 degrees. PDF on 5 September 2015.
According to the temperatures, there may be hot or cold deserts. They often have spines that protect their leaves and stems from being eaten by herbivores looking for food and moisture. The dry conditions are caused by patterns of atmospheric circulation that start over equatorial regions. They do not freeze, even at very low temperatures. It is limited on the west by the flooded Indus River plain, on the north and upper east by the Punjab Plain, on the southeast by the Aravalli Range, and on the south by the Rann of Kachchh. The air at this altitude is so thin that the heat of the sun can be felt intensely. Its large ears help it to keep cool.
Life in the Deserts Class 7 Notes CBSE Geography Chapter 9 [PDF]
Coastal deserts The Namib Desert of southern Africa Coastal deserts occur close to the ocean. Increasing herds of sheep and cattle during the latter part of the nineteenth century had culminated in starvation of stock and disastrous economic losses when drought struck in the 1890s. . Can be seen here. In this, we have covered important geographical features i.
By moving the animals continuously, mainly to higher elevations int he spring and back downwards in the fall, ranchers can maintain large herds on very poor land. Whereas their hair is used for making carpets, clothes, mats, etc. The animals of Ladakh are wild goats, wild sheep, yak and special kinds of dogs. Short Note on Indian Desert :- The Thar Desert also known as the Great Indian Desert in the Northwestern part of the Indian subcontinent. They wear heavy robes as protection against dust storms and hot winds. Deserts are one of the physical features of the Earth and the Sahara desert which is found in North Africa is the largest desert in the world.
They consist of low rainfall, less vegetation, and species, dry climate, etc. This desert can be found in between the Karakoram range in the North and the Zanskar range in the South. Of the 68 species, 29 species are recorded in the Indian Wildlife Protection Act, requiring changing levels of assurance. It has an area of 8. The desert biome consists of species able to live in these inhospitable conditions.
Short notes on Desert Ecology of India's Environment
The altitude in Ladakh varies from about 3000m in Kargil to more than 8,000m in the Karakoram. Desert birds are often nomadic and can move to places where rain has recently fallen; they can also fly away when conditions become intolerable. These groups are nomadic tribes rearing livestock such as goats, sheep, camels, and horses. Other regions of the world have cold deserts too, for instance high montane deserts. Several tourists in this area came every year from India as well as from abroad.
The Hot Desert Sahara Check out the physical map of Africa and try to find out this desert and locate where it is situated. The most diverse family of desert plants is the daisy family. The hills are terraced by continuous rows of sheep paths. They are 100% credible with zero errors and are based on the updated CBSE syllabus and examination pattern. The women work not only in the house and fields, but also manage small business and shops.