Flashcards
Aral sea
Flashcards do conjunto (5)
- 1What natural resource does the Aral sea have?Water
- 2Where is the Aral sea?Between Kazakstan and Uzbekistan
- 3What are the physical impacts of the use of the water in the Aral sea?The Aral sea itself began to shrink
Increased salinization (10g/l - 40g/l) which is poisonous to most species of fish and wildlife in the Aral sea
By 1990 95% of wetlands and marshes has become desert
Therefore dust storms are frequent - 4What are the causes of shrinkage of Aral sea?Population doubled to 27 million by the 1980s
Rivers that feed the Aral sea were used to irrigate rice and cotton fields
Vast amounts of water were diverted from these rivers
Pesticides were used but no sufficient irrigation system put in place (unlined pits) - 5What were the social impacts of this?Health issues:
chemicals and salts were in the ground water supply's
TB, cancers, heart problems, asthma and blood diseases increased dramatically
Drinking water was not safe
Increased mortality rate (especially children)
Informações
- Descrição
- AS level World Development FlashCards sobre Aral sea, criado por Daisy Jones em 17-05-2017.
- Criado por
- Daisy Jones
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