ESPM 1011 Study Guide - Quiz Guide: Overfishing, Umbrella Species, Charismatic Megafauna

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8 Jul 2022
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Note: while various additional optional resource links are provided on the canvas site, the exam will only cover material presented during the video lecture and items you have been directed to review on. Ldi: measure of biodiversity based on population trends of vertebrates. Global decline of 68%, 38% in terrestrial, 84% in freshwater, 36% in marine in 2018 red list: tracks percentage of species expected to survive in future tracks vertebrates, invertebrates, fungi, and algae. 28% species at risk for extinction, amphibians and coral at highest. Most abundant animal group on planet, but 41% of insect species are in decline insects are important foundation of food web, will affect mammals, birds. Habitat change (local ish scale) invasive species: spread quickly and displace native species, Pollution: result from chemicals or thermal impacts: pesticides, fertilizers, sewage treatments, hotter water from nuclear plants or coal factories. Overexploitation: food, medicine, pets, ornamental, aphrodisiacs, overfishing.