BIO120H1 Lecture Notes - Lecture 23: Insular Biogeography, Biogeography, Indian Rhinoceros
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BIO120H1 Full Course Notes
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Lecture 23 biodiversity, extinction & conservation biology. Logged tropical forest in amazonia- beef for burgers. As suburbs expand, the trillium population is getting destroyed. Small population of trillium surviving urban development. Ecological & evolutionary consequences of global environmental change. Loss of biodiversity (only first two talked about) Climate changes humans are a large contributor. Longest direct measurements of co2 in the atmosphere. Increase in co2 a result of the burning of fossil fuels results in climate change. How will organisms respond to climate change (variance going up) Migrate to more favourable environmental conditions where the species can proposer (ecological solution) Adapt to changing environmental conditions (evolutionary adaptation) Go locally (or globally) extinct (if they don"t adapt or migrate) (evolutionary adaptation) In very diverse species, flowering plants, butterflies and birds people are collecting data sets with parameters such as flowering and birth rates (slopes went down hence decreasing flowering time).
