ENV222H1 Lecture Notes - Aquifer, Eutrophication, Ozone Depletion

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28 Jan 2013
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ENV222H1 Full Course Notes
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Role of plankton every 3rd co2 molecule humans exhale, go into ocean. They create oxygen, half the total produced by all plants. Too much co2 coming in, warming up the sea. Go down to bottom and take carbon with them which is a good thing. Coral peter sale coral bleaching living organisms in shallow water in warmer climates. Zooxanthellae single celled plants found in plankton. Z gives food due to photosynthesis to coral. Coral = +nutrients to secrete the calcium skeleton. Corals stop giving nutrients to z due to bleaching, Z helps form the coral but unable to do that and no photosynthesis so corals bleach. Example b z says i will produce photosynthesis and the nutrients i get out of it i will share with you as long as you give me some nutrients. Unable to produce, coral cannot give their end of the bargain.

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