GEOGRAPHY UNIT 1 TOPIC 3
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- Created by: stelly_tn
- Created on: 15-03-17 18:27
Ecosystem is... - U1 T3
Grouping of plants and animals that interact with each other and their local environment
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Biome is... - U1 T3
a large ecosystem - a grouping of plants and animals over a large area
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Coniferous biome is... - U1 T3
Higher latitudes, trees adapt to cold with needle-like leaves, sun rays are weak
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Deciduous biome is... - U1 T3
High rainfall, seasonal variations in sun rays, trees lose leaves in cool winters
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Tundra biome is... - U1 T3
Within Arctic circle, receives little heat and rainfall, tough short grasses
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Tropical biome is... - U1 T3
Near the equator, hot temperature and heavy rainfall
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Desert biome is... - U1 T3
Close to tropics of Cancer and Capricorn, hot dry air, concentrated sun rays
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Savannah biome is... - U1 T3
Hot and dry, dominated by grass, scrub and occasional tree, dry season and rainy season
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Temperate grassland biome is... - U1 T3
Dominated by grass and trees, weather is mild and moderate rainfall
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Abiotic is... - U1 T3
Non-living elements
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What does the biosphere do for us - U1 T3
Regulates the gases that make up the atmosphere i.e plants respiration, regulates water cycle i.e plants filter water, keeps soil healthy i.e new nutrients from plant material
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Food goods provided by the biosphere - U1 T3
Fish, meat, fruits, nuts, berries
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Medicinal goods provided by the biosphere - U1 T3
Vitamins, plants i.e periwinkle, aloe vera, quinine from bark
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Raw material goods provided by the biosphere - U1 T3
Timber, bamboo, rubber, water, oil and gas
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Direct human impacts/threats on the biosphere - U1 T3
Deforestation, mining, quarrying, farming, over-fishing
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Indirect human impacts/threats on the biosphere - U1 T3
Sea temperature rise, seawater acidifcation, polar ice caps melting, change in rainfall, treeline change, stress within ecosystems from rapid change
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Reasons for rainforest destruction - U1 T3
Timber used for buildings furniture and fuel, land for agriculture, mining and quarrying for construction industry, transport routes, settlements, dams and power stations
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Ramsar and managing the biosphere - U1 T3
Global, started in 1971, conserves 2.05km2 million of wetlands, treaty to protect, population growth meant wetlands are drained for argiculture
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Lalo Loor Dry Forest Reserve and managing the biosphere - U1 T3
Local (Ecuador), 500 acres of tropical rainforest, destroyed for clearance for soya productions, owner agreed a conservation deal, volunteers care for land, sustainable tourism and reforestation schemes.
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National Parks, UK and managing the biosphere - U1 T3
National, started in 1951, beautiful areas in UK 15 parks, preserve wildlife and environment, any development would degrade ecosystem, each park has own authoring in controlling any new development
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Abiotic factors affecting biomes - U1 T3
Rock and soil types affect fertility, altitude affects growth at different temperatures, rainfall affects different organism growths, distance from sea affects temperature, drainage causes swamps and bogs
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What a sustainable biosphere management does - U1 T3
Ensures quick recovery, prevents damage, helps locals benefit from ecosystem, helps locals understand its importance
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Economic tensions in management of the biosphere - U1 T3
People and communities want to make money, this involves suing the biosphere, most likely damage biosphere long term, not sustainable and compromise present and future generations
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Social tensions in management of the biosphere - U1 T3
Everyone needs to benefit and not at the expense of others to be sustainable, sustainability means consulting people on equal basis, economic tension as some businesses may flourish at expense of others
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Environmental tensions in management of the biosphere - U1 T3
To be environmentally sustainable involves not harming natural resources so they are unable to continue long term
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CITES and managing the biosphere - U1 T3
Global, started in 1975, treaty to protect endangered animals and plants, ensure international trade of plants/animals doesnt threaten survival of species in wild, protects 35,000+ species
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What is slash and burn deforestation - U1 T3
Areas of land cleared using fires and cutting tools, soil fertility exhausted, sustainable and traditional
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What is large-scale comercial deforestation - U1 T3
Every minute loads of forests are lost, not sustainable, loss of animal habitats and fertile soils flood rivers
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Keystone species is... - U1 T3
A species that has a disproportionately large effect on its environment relative to its abundance
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Biodiversity hotspot is... - U1 T3
A region that is a significant reservoir of biodiversity and threatened with destruction
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Biosphere is... - U1 T3
The surface and atmospheric regions of the Earth occupied by living organisms
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Other cards in this set
Card 2
Front
Biome is... - U1 T3
Back
a large ecosystem - a grouping of plants and animals over a large area
Card 3
Front
Coniferous biome is... - U1 T3
Back
Card 4
Front
Deciduous biome is... - U1 T3
Back
Card 5
Front
Tundra biome is... - U1 T3
Back
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