Biodiversity- case studies 0.0 / 5 ? GeographyEcosystems and biodiversity under threatA2/A-levelEdexcel Created by: ellieweston98Created on: 08-06-16 10:51 Madagascar is a... Biodiversity hotspot 1 of 30 Why are their high levels of biodiversity? Nutrient cycling, isolation, mountain ranges, Low levels of development 2 of 30 How many species are endemic 90% 3 of 30 Only ... of madagascar's forest remain 17% 4 of 30 how much of Madagascar is protected? 3% 5 of 30 How much do they want to protect? 9% 6 of 30 How as biodiversity been protected in the past Breeding programmes for lemur 7 of 30 Tropical rainforests are home to .... 50% of earth's species 8 of 30 Threat to rainforests Palm oil 9 of 30 China wants 10% of cars to run on... Palm oil 10 of 30 What does rainforests provide? Regulating services for the earths climate as well as a huge habitat 11 of 30 Southern Ocean Fisheries are used to Establish a sustainable yield 12 of 30 Why? Overfishing of the Krill lead to distrubtion to the food web as many species rely on it 13 of 30 How is it establsihed? Can only be fished to a certain quota, licence to fish is essential and boats are moitored and tracked 14 of 30 Restrictions Hard to police as it is such a large area 15 of 30 Daintree world heritage site in Australia 16 of 30 Why is it important? 19 primitive plant species; 12 live here 17 of 30 What does it provide? intake of carbon, regulation of water quality, 25 % of medicine comes from rainforest, 1/2 million tourists visit every year 18 of 30 Threats recreational activities add to destruction, 2 new resorts for tourists, Red Cedar becomes extinct after builder removes all 19 of 30 Limits to development ferry capacity limits visitors, solar panel generates energy, Permission for a mcdonalds has been withdrawn. Biosphere area 20 of 30 Good protection evidence Cassowary bird is an endangered specie since protection started numbers increased from 54- 500 21 of 30 Coral reefs are home to ... of marine life 25% 22 of 30 Services? Shoreline buffer, food, medicine, limestone for building, Caribbean gains 1/2 of GDP from tourism 23 of 30 Global warming in the Arcitc shrinking tundra, increased forest fires, marine life will respond to warmer temperatures and icnreases food supply 24 of 30 Pristine area Udzungwa. 50 endemic species as well as iconic species such as elephants and tigers 25 of 30 How? Low economic development, bottom up strategies to include locals provide employment e,g, bee keeping. Hunting is prohibited 26 of 30 Degraded area Masai Mara- Tanzania 27 of 30 How? corruption lead to leakage of funds and areas not protected. 28 of 30 Protected area Soufriere marine managment 29 of 30 How? Areas set up to limit conflicts between stake holders and reduce pollution levels 30 of 30
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