Conservation Abroad
- Created by: Aishah.a
- Created on: 22-12-12 10:33
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- Conservation Abroad
- Tropical rainforest
- Ecological features
- Large seasonal changes = biological productivity
- specialized BIOTIC, un specialized ABIOTIC
- inter-relations
- high levels of light = dense vegetation
- importance
- resources
- biodiversity
- economics
- carbon sequestration - storing of carbon in wood, removal by photosynthesis
- threats
- indirect threats
- Deforestationfor other land uses
- slash and burn farming
- unsustainable exploitation of resources
- commercial farming = unsustainable
- Conservation
- Protected areas- species
- Dept- for- nature fund - MEDC lends money
- trade controls - cannot be banned by controlled
- Ecological features
- Coral Reef
- Ecological features
- Coral nutrition- cilla trap plankton, kill, waft into gut
- Abiotic conditions - stable temp, bright sunlight, low turbidity, constant salinity
- Importance
- 1/4 of all marine species
- medicine development
- caco3- carbon sequestration locks C away , combats climate change
- Ecotourism
- Threats
- climate change - small range of tolerance
- Sediments settling on reefs kill polyps
- Pollution - killed by oils/ pesticides, eutrophication
- Physical damage - exceeds the polyps regeneration rate
- Fishing- decreased fish= decreased predators
- Ecological features
- Antarctica
- Ecological features
- Large
- 98% covered by up to 4.5 km of ice
- Average temp -49 C
- Low diversity due to cold and light
- Up welling of nutrient rich water= rich algal bloom= large food web
- Importance
- Albedo effect red heating by solar radiation
- Ice sheet regulate sea levels: - sea level +75m
- Shrimp faeces = carbon rich = carbon sink
- Threats
- Over fishing- affect food chain
- tourism - transport = waste, pollution
- mineral extraction- waste extreme env degradtion
- O3 depletion- inc UV- harm orgs affect food web
- scientific research- waste, fuel spils
- global warming - in melt= increased glacial movement
- Conservation - Antarctic treaty
- Used for peaceful purposes (no military)
- Scientific research must be unhindered with free exchange of info
- Banned: nuclear explosions, radioactive waste, commercial exploitation of minerals
- conservation of marine life & env impacts of tourism - monitered
- Ecological features
- Tropical rainforest
- Coral nutrition- cilla trap plankton, kill, waft into gut
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