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23 Cards in this Set
- Front
- Back
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Ecosystem |
A natural system where living things combine with non living things they need |
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Nutrient cycling |
The recycling of nutrients between living organisms and the environment |
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Biodiversity |
The variety of plants and animals living in a certain area |
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Leaching |
When rain washes minerals away from soil |
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Leaching |
When rain washes minerals away from soil |
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Litter |
Dead plant material fallen to the ground |
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Hot deserts |
Regions of the world with rainfall less than 250 mm per yr |
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Sustainable management |
Using the forests and making money from the forest without destroying it |
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Desertification |
The process by which fertile land becomes desert, typically as a result of drought, Deforestation or inappropriate agriculture |
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Topsoil |
Upper fertile layer of soil |
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Topsoil |
Upper fertile layer of soil |
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Marginal land |
Land that is very poor, only just suitable for farming |
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Tundra |
Location: northern Canada and Northern Europe Characteristics: low growing plants adapted to retain heat and moisture in cold, windy and dry conditions. Animals like reindeer |
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Deciduous forest |
Location : uk Characteristics: shed leaves in winter to retain moisture |
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Coniferous forest |
Location: Canada and Scandinavia (north) Characteristics: cone bearing evergreens, retaining leaves to maximise photosynthesis in brief summer months |
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Desert |
Location: cover 1/5 of worlds land surface Characteristics: high day temps, low night temps and low rainfall |
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Mediterranean |
Location: South Africa, parts of Australia and California Characteristics: hot, sunny, dry summers, mild winters, as pressure belts migrate slightly north and south during year. Vegetation such as olive trees and orange and lemon trees |
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Mediterranean |
Location: South Africa, parts of Australia and California Characteristics: hot, sunny, dry summers, mild winters, as pressure belts migrate slightly north and south during year. Vegetation such as olive trees and orange and lemon trees |
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Polar |
Location: Antarctica and Greenland Characteristics: cold air sinks forming cold, dry conditions |
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Temperate grassland |
Location: North America ( prairies) and Eastern Europe ( steppes) Characteristics: warm dry summers and cold winters, mainly for grazing animals |
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Tropical ( savanna) grassland |
Location: low latitudes (30* N&S) Characteristics: distinct wet and dry seasons, hot with wildfires, and violent thunderstorms. Large herds of animals graze and predators such as lions and leopards |
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Tropical ( savanna) grassland |
Location: low latitudes (30* N&S) Characteristics: distinct wet and dry seasons, hot with wildfires, and violent thunderstorms. Large herds of animals graze and predators such as lions and leopards |
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Tropical rainforest |
Locations: equator . Cover 6% of land surface Characteristic: high temperatures and heavy rain, due to equatorial low pressure belt. Lots of biodiversity |
