Ecosystems

Ecosystems: Need to Know ,[object Object],[object Object]

Ecosystems: Keywords ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is an Ecosystem? ,[object Object]

Living Creatures Ecosystem Links Vegetation Energy from the sun Rocks and Soil Climate

Nutrient Cycle Twigs and leaves fall to the ground and become ‘litter’ Decomposition (breaking down) of litter by termites, fungi and bacteria Nutrients enter the soil Soil is fertile Dense vegetation

What are the worlds major ecosystems (biomes)?

Coniferous forest otherwise known as: Taiga or Boreal

Reasons for distribution of Coniferous Forest ,[object Object],[object Object],[object Object],[object Object],Only a few types of tree (pine, spruce) can survive the cold = no biodiversity

Plant adaptations ,[object Object],[object Object],[object Object],[object Object],[object Object]

Animal Adaptations ,[object Object],[object Object],[object Object],[object Object]

Human Impacts ,[object Object],[object Object],[object Object]

Tropical Rainforest Climate ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Soils - Latosols ,[object Object],[object Object],[object Object],[object Object]

Traditional Human Impact ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],Modern Human Impact

[object Object],[object Object],[object Object],[object Object],Modern Human Impact Leads To DEFFORESTATION

What is Sustainable development?

What is sustainable development? ,[object Object]

Liana project ,[object Object],[object Object]

There are six aims ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Products made with amazonian fibres

You MUST know a full case study for human impact in a Tropical rainforest – recommend AMAZON

Where do we find tropical grasslands?

Climate Graph for Serengeti, Tanzania

Tropical Grassland/Savanna ,[object Object],[object Object],[object Object],[object Object],[object Object]

Savanna Soil ,[object Object],[object Object],[object Object],[object Object],[object Object]

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Scavengers – an essential part of the food chain

How is this plant adapted to its environment?

How has this tree adapted to the climate?

The biggest threat facing tropical grasslands is desertification

DESERTIFICATION ,[object Object],Desertification is when a desert gradually spreads to the surrounding areas of semi-desert

DESERTIFICATION ,[object Object],Desertification is when a desert gradually spreads to the surrounding areas of semi-desert As tropical grassland buffers the edge of many deserts it is particularly vulnerable to desertification

What might cause desertification? Brainstorm your ideas

MEMORY MAPS Drought in the Sahel

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The SAHEL The Sahel is located in the southern region of the Sahara desert, Africa.

[object Object],DESERTIFICATION Increase in population Increase in cattle Deforestation for fire wood Grassland grazed more intensively Roots no longer hold soil together Roots may be eaten as well as grass Leaves no longer protect soil from weather Less vegetation means less protection from weather Loose top soil blown away by wind (Soil Erosion) = Loose top soil blown away by wind (Soil Erosion) = DESERTIFICATION

Ecosystems

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Ecosystems