ENSC 301 Lecture Notes - Lecture 10: System Dynamics, Systems Theory, Carrying Capacity
26 Mar 2018
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Document Summary
What is ea: method for decision-makers to evaluate impacts of development on the environment, will provide opportunities and enhancement of public participation, addresses three key factors, fairness, efficiency, effectiveness. Types of eas: individual, cumulative, class, strategic, new type of ea, used to scale up ea projects, wants to optimize policies, programs, and plans, comprehensive, panel review. Systems principles: systems behave as a whole, built from many parts, principle is perspective dependent. Three components of systems principle: stock (input, flow of resources (change/ transformation, function or purpose (output) Input on the system from the inside and outside: smaller systems make up a larger system collectively. Regime shifts: equilibrium changes, exceeds tipping points", cause system to be negative resilience", threshold exceeded. Internal/ external pressure variables: ecological, climate change, extinction, invasive species, social/ cultural, education, activism, oppression, stewardship, polarizing leaders, tourism, competing land/ resource use, economic, tourism, consumer demand.
