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Q.What are the consequences of deforestation ?

Kerala DhseKerala DHSE Plus Two Board 2022Subjective· 3mImportance★★★★★
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Large-scale clearing of forests has severe ecological consequences — loss of biodiversity and habitat, soil erosion, disturbance of the hydrological cycle, reduced rainfall, and a rise in atmospheric CO2 contributing to global warming.

Deforestation is the large-scale removal/clearing of forest cover, mainly for agriculture, logging, mining, and settlement. Its major consequences include:

  1. Loss of biodiversity — destruction of habitat leads to the loss of countless plant and animal species, many of which are found only in specific forest ecosystems.
  2. Soil erosion and degradation — tree roots that normally bind and hold the soil are removed, so topsoil is easily washed or blown away, ultimately leading to desertification of the land.
  3. Disruption of the water cycle — forests play an important role in the hydrological cycle through transpiration; their removal reduces local humidity and can alter and reduce regional rainfall patterns.
  4. Increased flooding — without the forest canopy and root systems to intercept and absorb rainwater, run-off increases sharply, leading to more frequent and severe floods, along with siltation of rivers and reservoirs. …

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