ISB 201 Lecture #2 Notes
ISB 201 Lecture #2 Notes ISB 201
Popular in Insects, Globalization, and Sustainability
Popular in Entomology
This 3 page Class Notes was uploaded by Hannah Chapman on Tuesday January 19, 2016. The Class Notes belongs to ISB 201 at Michigan State University taught by Dr. Gabe Ording in Fall 2015. Since its upload, it has received 214 views. For similar materials see Insects, Globalization, and Sustainability in Entomology at Michigan State University.
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Date Created: 01/19/16
Lecture #2- Sustainability and Natural Capital I.! Gala Hypothesis a.! James Lovelock- English atmospheric chemist b.! Levels of organization in universe c.! Inter-relatedness (Holoceonosis) d.! Earth should be viewed as a system i.! Self regulating II.! Human Body a.! Interacting System b.! Self regulating c.! Collectively maintaining i.! Equilibrium ii.! Balance d.! Ex: oxygen, glucose, etc e.! Function of kidneys: clean our blood III.! Planetary/Biosphere Corollaries a.! Wetlands help to make clean water b.! The Earth breathes, there is more C02 depending on the season due to photosynthesis and respiration c.! There is more photosynthesis in the northern hemisphere, mostly in the oceans along coastlines i.! Nutrients flow down into the water off land IV.! Levels of organization a.! Earth! Biosphere! ecosystems! communities! populations! organism! organ system! organs! tissues! cells! cell organelles! molecules/compounds! atoms/elements! sub-atomic particles V.! Natural Capital (Wealth) a.! Resources i.! Air, water, soil, energy, minerals b.! Services i.! Population control, nutrient recycling, climate control, pollution control, waste treatment, biodiversity, pest disease control VI.! Insects as Resources a.! Silk, honey, wax, the dye in cranberry juice VII.! Insects as Services a.! Population control, pollination, nutrient recycling VIII.! Globalization a.! It is occurring b.! Human nature: to improve standard of living IX.! “The Pivotal Role of Energy” a.! Increased consumption of fossil fuels! economic growth and population growth b.! More energy demand c.! Positive feedback loop X.! Two Major Global Problems a.! Overpopulation (Developing nations) b.! Over consumption (Developed nations) XI.! Sustainable Society a.! One that accommodates its needs without compromising the ability of future generations from doing the same XII.! Limits to Growth a.! Environmentalist mindset (there are limits) vs. Economist mindset (substitution & efficiency) XIII.! Medical Entomology a.! Maggot therapy i.! History: Mayans, Aboriginal, Australians, French Revolution, Civil War ii.! Debridement: consume necrotic tissue iii.! Disinfection: maggot secretions provide antibiotic factors Reading Notes Chapter 1 •! At some point, humanity’s ever-increasing resource consumption will meet the very real limits of a planet with finite natural resources •! Increased consumption of fossil fuels has produced both economic growth and population growth a.! Led to more energy demand •! The world is at, nearing, or past the points of peak production of a number of critical nonrenewable resources •! The global climate is being destabilized by greenhouse gases emitted from the burning of fossil fuels •! Freshwater scarcity is a real impending problem •! World food production per capita is declining •! Earth’s plant and animal species are being driven to extinction by human activities •! If economic growth ends, everyone will be impacts, and it will take society years to adapt to this new condition a.! Scientists concluded that the end of growth would probably arrive between 2010 and 2050 Science Isn’t Broken •! Scientists are falling prey to natural human biases that lead them to tip the scales and set up studies to produce false-positive results •! When the first analysis you try does’t spit out the result you want, you keep trying until you find one that does •! Most published research findings are false •! A single analysis is not sufficient to find a definitive answer •! Retractions shouldn’t automatically be viewed as a stain on the scientific enterprise; instead, they signal that science is fixing its mistakes a.! Plagiarism and image manipulations are the most common reasons for retractions b.! 2/3 of retractions are due to misconduct •! Predatory journals flourish because of the sway that publication records have when it comes to landing jobs and grants, creating incentive for researchers to pad their CVs with extra papers •! Science isn’t broken or untrustworthy, society needs to adjust expectations of it •! Once an idea becomes fixed, it’s difficult to remove from the conventional wisdom a.! Problems arise when people love certain explanations so much that they reject the evidence against them
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