What is the simple definition of desertification?
The United Nations’ official definition says desertification is land degradation in typically dry areas resulting from various factors, including climatic variations and human activities. “The definition encompasses things like drought, overgrazing, and inadvisable cropping,” says Prince.
Is desertified a word?
Simple past tense and past participle of desertify.
What is a sentence for desertification?
Desertification sentence example Desertification occurs when an area doesn’t get enough rainfall for a prolonged period. Finally, in many African countries desertification is creating ` environmental refugees ‘ . Emissions of other greenhouse gases might also be affected by desertification .
What do you mean by desertification Class 8?
Desertification is the degradation process by which a fertile land changes itself into a desert by losing its flora and fauna, this can be caused by drought, deforestation, climate change, human activities, or improper agriculture.
Where is desertification occurring today?
A recently published JRC study identified the following geographic regions as prone to desertification: north-eastern Brazil, south-western Argentina, the southern Sahel, Zambia and Zimbabwe, Sub-Himalayan India, and north-eastern China.
What is the major cause of desertification in Africa?
‘Climatic variations’ and ‘Human activities’ can be regarded as the two main causes of desertification. removal of the natural vegetation cover(by taking too much fuel wood), agricultural activities in the vulnerable ecosystems of arid and semi-arid areas, which are thus strained beyond their capacity.
What are some examples of desertification?
Additional savannas, grasslands, and woodlands are common indications of desertification in arid and semi-arid areas. Well-known examples of this occurrence include, Europe’s Adriatic Sea, the Middle-East’s Saharan desert, and China’s Taklamakhan Desert. Sand dunes are formed in the Sahara Desert in the image above.
What is desertification by BYJU’s?
Desertification is defined as a process of land degradation in arid, semi-arid and sub-humid areas due to various factors including climatic variations and human activities.
What is overgrazing BYJU’s?
It reduces the usefulness, productivity, and biodiversity of the land and is one cause of desertification and erosion.Overgrazing is also seen as a cause of the spread of invasive species of non-native plants and of weeds. Biology.