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E

Earth Summit, Rio de Janeiro ecological economics ecological or ecosystem resilience ecological or ecosystem services ecology ecosystem ecosystem diversity ecosystem rehabilitation ecosystem restoration ecotourism edge effect El Niño event elite endangered-maintained breed endangered breed endemic entry into force environmental impact assessment (EIA) enzyme epipelagic equilibrium theory eradication establishment estuary ethical values ethnobiology eukaryote European Union eutrophication evaluation ex-situ ex-situ conservation ex situ conservation of farm animal genetic diversity exclusive economic zone existence value exotic exotic species extant external costs/externalities extinct extinct breed extinction extractive reserve extreme environments extremophile