EESC 2203 Lecture 1: d
14 Mar 2016
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Controversial dams issues: evaporation disrupts flooding cycle of nile. Blockage of nutrient inflow from upstream - therefore artificial fertilizers must be used. Brazil - belo monte: native people protest - they will be displaced with building of dam, more methane will be released after because in tropical region, when vegetation flooded and decompose, large amounts of methane will be produced. China"s three gorges dam: very expensive, re-housed 1. 3 million people. India"s sardar samovar dam: will cause water that is not moving, insect borne diseases may arise. Salmon take in nutrients from ocean - take nutrients upstream to die - we found marine nitrogen in trees in spawn areas. Adaptive management strategies: if plan didn"t work - go back and start again with a new plan, well known example - colorado river at lees ferry.
