the aral sea causes
- the aral sea has been shrinking since the 1960s.
- in the late 1950s the soviet gouverment diverted water from 2 rivers that fed into the aral sea (syr darya and amu darya)
- water was extracted for irrigation and agriculture such as planting fruits and cotton farming. providing jobs for millions of farm workers.
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the aral sea - impacts
- `fishing community suffered as it once employed 60,000 people. the led to economic hardship
- locl residents suffered as wind blew salt and dust from the dried out sea bed
- drinking water became heavily polluted and infant mortality rates had peaked as 10% of children were dying before they reached the age of 1
- environmental impacts, as many species began to die out
- irrrigation created salinisation for kazakstahn farmers, making drinking water and food crops salty
- there was an increase in environmental migrants as their land became so infertile
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water conflict between india and bangladesh- cause
- unequal share of the ganges river, most of the water is used by india
- 1974 india opend a the farakka barrage, cotrolling water flowing into the bangladesh bourder
- upstream there is there is a series of dams, which diverts water for irrigation schemes
- water is also used by indias largest cities to transfer wastewater for industrial and domestic uses.
- there was an agreement made in 1990s, however india stilluses up most of the water
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India and Bangladesh impacts
- bangladesh was deprived of water, and suffered from polluted water
- reduced flow of water affected irrigation and production
- fishing idustry declinig
- the rise and fall of the river makes the rice industry unreliable
- lower river levels makes water-borne rade even more difficult
- increased salinisation
- erosion of river delta as less silt is being carried (downststream) and deposited
- sea water intrusion (a movment of sea water into fresh water aquifires) increases as the delta dries out.
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