BIOB50H3 Lecture Notes - Lecture 4: Normalized Difference Vegetation Index, Chemosynthesis, Chlorophyll

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5 Nov 2012
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From each different block, 10 percent of the energy gets transferred so lose. 90 percent, therefore energy distribution is very inefficient. Autotrophs are the base of how energy gets fixed in our system. Chemosynthesis: taking inorganic chemicals and change them to organic compounds which we can get energy from. Tansley was the first person to draw an ecological system how are the related and how do they interact. How much they grow is determined by the amount of carbon produced. Higher temperature places tend to have higher gpp. Leaf area of 1 is 100 percent ground coverage, 12 means the ground has been covered 100 percent 12 times. Very hard to measure gpp; easier to measure npp. Low npp desert and artic regions; high npp tropical regions. In order to make accurate predictions about carbon in atmosphere and climate change, must know how much carbon is being made underground and how it is made.

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