sunderbans - case study outside uk Flashcards
(38 cards)
what is the sunder bans?
a coastal zone occupying the worlds largest delta
where is the sunderbaans?
south west of bangladesh and eat of india
what three rivers is the delta formed from?
the ganges, brahmaputra and meghna
what types of land is it?
very flat and low lying
what rare species are found here?
royal bengal tigers and irawadi dolphins
what distinctive plants grow here and form the main habitats>
magroves
what is wrong with the dynamic equilibrium herE?
it is very delicate
what is deposited in the region?
rich sedidmnet by the three rivers
what benefits do the mangrove forests have on the region?
economic
can supply timber (various products)
environmental
natural proaction against flooding and coastal erosion
what are the opportunities brought by tourism?
tourists are attracted to the wildlife here
what happened in 2011 that increased Bangladesh’s development?
cargo ships were able to transport goods into the area such as oil inland
further channels have been dredged to make it easier
what makes it easy to grow crops here?
the rich fertile land of the river delta which has been formed through deposition
who many people occupy the region?
more than 4 million
what creates risks for occupation and development?
the location and nature of the region
what are the natural challenges of the region?
- coastal flooding
- monsoons
- soil salinity
- instability of islands
- accessibility and remoteness
- human eating animals such as tigers
what are the human challenges of the region?
- over exploitation of resources form vulnerable habitats
- over use of land fro agriculture
- destructive fishing techniques
- lack of awareness of region importance
what are the three ways people respond to risks here?
mitigation
resilience
adaptation
what is resilience?
being able to cope with the challenges environment presents
who much does one hectare of the forest cost annually?
$12,000
what does the economic value of the forest provide resilience against?
poverty
opportunities for sustainable development
what are being built in the region for residents?
bridges and roads so that access to areas is much easier
how much can 30 trees per 0.01 hectare reduce force of a tsunami by?
90%
how many trees per what hectare can reduce tsunami power by 90%
30 trees per 0.01 hectare
what is mitigation?
reducing the severity of hazards and other problems