ENV100Y5 Lecture Notes - Lecture 1: Metapopulation, Continental Crust, Nitrification
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ENV100Y5 Full Course Notes
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Document Summary
Explores interactions between humans and the physical and biological world. The scientific method: making observations and asking questions- hypothesis- experiemts-conclusions. Science: a systematic process for learning about the world and testing our understanding of it. Bio magnification: ddt example: accumulation of ddt in animals. By the time an eagle eats a fish the amount of ddt has concentrated. Increased concentrations of toxins in organism as you move up trophic levels. Conflict between ecosphere and technosphere (technology, agriculture, transportation etc. ) Rapid loss of biodiversity and extraction of resources in the last 50 years. Reversing degradation of ecosystems will require significant changes. More like what the natural world provides us with (ex. Forests in their natural state provide us with: clean air, prevent runoff, etc. ) Population, poverty and over consumption are root problems of degradation economies and the environment need to be balanced sustainability:
