sundabarns ๐ Flashcards
where?
bangladesh - SE India
main three rivers?
meghna
ganges
brahmaputra
size of mangrove forest
1400km2
largest in the world
population
4 million
percentage of the population in poverty
42%
mangrove forest decreases the storm force by โฆ?
90%
water within the sundabarns is brackish - this needs
halopytes
coastal processes
tidal action
rivers and khals
flocculation as a delta - tidal zone
sea level change
if this rate of deforestation, SLC and erosion continue there will be no forest in the year โฆ
2020
opportunities (5)
construction: nipa palm, timber, fuel wood
shrimp farming
flat land = agricultural growth
biodiversity = tourists
power plant
risks (7)
high population = few resources = corruption
destructive methods = low biodiversity
salinisation of the soil = infertile
erosion & SLC = destruction of land and habitats
6% no electricity = poor communication
tigers
cyclone Aila (190 dead, 920000 houses destroyed)
responses (8)
laws
32km2 safe haven
salt resistant crops (rice)
6 month sentence for methods that damage the ecosystem
solar panels
lots of prey to decrease deaths
1012 shelters, 3500km embankment to mitigate effects following tropical storms
size of forest
50 000 acres
how much is one hectare worth in terms of trade (wood etc.)
over $12 000
hectares of afforestation in last decade
15000