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People and the Biosphere Topic 7, GCSE Geography - Coggle Diagram
People and the Biosphere Topic 7, GCSE Geography
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Hydrological Cycle
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Flooding becomes more frequent, river water becomes dirtier
No forest = faster drying of soil = evaporation reduction = fewer clouds = less rain = drier climate
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Biomes
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Tundra
Grasses, Lichens, Dwarf Shrubs; No trees
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Hot desert
Cacti and succulents, but few
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Things affecting biomes
Biotic and Abiotic
Linked together:
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Energy from plant's photosynthesis, turning it into carbohydrate
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Abiotic (non-living) includes atmosphers, water, rock, soil
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Temperature
Latitude influenced
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Toward Poles, w/ increasing latitude climate is more seasonable & winter is coder /longer
At Equator, Sun's rays at high angles constantely
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Local Factors
Altitude
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Affects biome by:
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At high altitudes, below freezing temperatures are common
Every 1000m, temperature drops by 6.5 degrees Celsius
Rock and Soil Type
Chemical weathering releases nutrients and chemicals into the soil, which can be acidic, neutral or alkaline (this influences the type of plants that can be grown there)
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