NASA BIOSPHERE and BIOMES © 2016 Paul Billiet ODWS.

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Presentation transcript:

NASA BIOSPHERE and BIOMES © 2016 Paul Billiet ODWS

Biosphere Atmosphere © 2016 Paul Billiet ODWS

Biosphere The part of the Earth where life is found The parts where there is interaction between the living organisms and their non-living environment. © 2016 Paul Billiet ODWS

Solar radiation © 2016 Paul Billiet ODWS

Climate zones © 2016 Paul Billiet ODWS

Climate and biomes Biomes are major (terrestrial) ecological zones within the biosphere The type of ecosystem that emerges in an areas can be predicted based upon the climate. © 2016 Paul Billiet ODWS

Biomes © 2016 Paul Billiet ODWS

Biomes Determined by climate Characterised by their vegetation type Arranged broadly by latitude Can also be influenced by oceans, mountain ranges. © 2016 Paul Billiet ODWS

Tropical rainforest © 2016 Paul Billiet ODWS

Tropical rainforest © 2016 Paul Billiet ODWS

Desert © P Billiet © 2016 Paul Billiet ODWS

Desert © 2016 Paul Billiet ODWS

Grasslands Savannah Africa © 2016 Paul Billiet ODWS Steppe Ukraine

Grasslands © 2016 Paul Billiet ODWS

Temperate forest © P Billiet © 2016 Paul Billiet ODWS

Temperate forest © 2016 Paul Billiet ODWS

Boreal forest (taiga) © 2016 Paul Billiet ODWS

Boreal forest (taiga) © 2016 Paul Billiet ODWS

Tundra © 2016 Paul Billiet ODWS

Tundra © 2016 Paul Billiet ODWS

Overview © 2016 Paul Billiet ODWS

Nutrient flow B Nutrients are recycled in a closed ecosystem The rate of recycling between the different can be shown on Gersmehl diagrams Arrow thickness = flux Disc size = reservoir B = Biomass L = Litter S = Soil B Rainfall Leaf fall Root absorbance L S Decomposition Surface runoff Leaching Weathering © 2016 Paul Billiet ODWS

Taiga Key: L = litter S = soil B = Biomass B L Rainfall Leaf fall Root absorbance L S Decomposition Surface runoff Leaching Weathering © 2016 Paul Billiet ODWS

Desert S Key: L = litter S = soil B = Biomass Rainfall B Leaf fall Root absorbance L S Decomposition Surface runoff © 2016 Paul Billiet ODWS

Tropical rain forest B Key: L = litter S = soil B = Biomass Rainfall Leaf fall Root absorbance L S Decomposition Surface runoff Leaching Weathering © 2016 Paul Billiet ODWS

Nutrient flow and climate © 2016 Paul Billiet ODWS