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However, what we also find is that in all such problems there is a common set of key scientific concepts and principles that we will learn to understand in this course – these concepts include the following (there will be more specific examples given later on): Working through this simple example illustrates how complex the issue of sustainability can become. Scientific Concepts, applied to ecosystems and to sustainability.
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Solving this problem is an example of“systems thinking”, and we need to learn how to apply that to science and to problems of sustainability. What if I spend money on other stuff like food? What is the "input" or renewal rate or "turnover time" of money in my bank account, compared to how fast I consume money? What if the class size grows because class popularity increases? Right away we see that this is a “system” that has a balance point in it that depends on many other parts of the “system”. For example, we needed to know how much money do I have, or the “stock” of money (e.g., if there were 100 students in class and I had a stock of $100, this would work once.). The question was: Is that sustainable? In lecture we agreed that more information was needed to answer that question. Sustainability and System Science - The example of sustainability used at the start of class was to consider that I give everyone a dollar each time you come to class. But before that we should return to a topic introduced at the very start of class, which is that of sustainability and how we view it in terms of system science. Now we will combine these two basic components and consider how the environment and life interact in "ecosystems". In the previous lectures we have learned about the Earth and its environment, and we have learned about the diversity of life on the planet and about ecological interactions between species.
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Want me again, look for me under your boot-soles." Ecosystem and how it relates to Sustainability "Iīequeathe myself to the dirt, to grow from the grass I love