Lecture 1&2 Notes
Lecture 1&2 Notes Forest and Wildlife Ecology 360
Popular in Extinction of Species
Popular in Agriculture and Forestry
This 2 page Class Notes was uploaded by Cecilia Moog on Wednesday September 9, 2015. The Class Notes belongs to Forest and Wildlife Ecology 360 at University of Wisconsin - Madison taught by Marcus Peery in Fall 2015. Since its upload, it has received 51 views. For similar materials see Extinction of Species in Agriculture and Forestry at University of Wisconsin - Madison.
Reviews for Lecture 1&2 Notes
Better than the professor's notes. I could actually understand what the heck was going on. Will be back for help in this class.
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Date Created: 09/09/15
Zoology 360 Extinction of Species Lectures 1amp2 Notes Reasons for Protecting Biodiversity Utilitarian and Intrinsic Provides us with goods bene cial to humans Provides inspiration beauty Ethical reasons these beings have an inherent right to exist Population lssues Crisis human population growing too quickly for the earth to support All of earths ecosystems are effected by humans and our actions Threats to Biodiversity include habitat loss degradation and fragmentation invasive species pollution overharvesting disease and climate change Conservation Biology Overview Crisis Oriented comparable to surgery in terms of physiology meaning that this is the short term critical work being done to save species on the brink of ex nc on Mission Driven overarching goal is to prevent the extinction of species inherent bias issues also 99 of all species are already extinct Assumes Diversity should be preserved for intrinsic value untimely extinction should be prevented evolution and ecological complexity are good The eld is being increasingly acknowledged respected and taken into consideration by natural resource managers Biological Diversity complete rangevariety in speciesecosystem interactions and the genetic diversity within species Genetic Diversity High when there are multiple alleles andor high heterozygosity in a population gt Genetic diversity increases a species ability to adapt to environmental change long term effect gt Loss of genetic diversity increases risk of extinction through inbreeding depression and compromised disease resistance short term effect Species Diversity Number of species in a given area also called species richness Maintaining diversity is the main goal of conservation biology Species are de ned in 3 main ways none of them perfect Morphological Species De nition group of individuals that are morphologicallyphysiologicallybiochemically distinct from other species gt Issue individuals of a species can look very different yet still be able to mate gt Morphologically similar species could have diverged and are no longer capable of interbreeding Biological Species De nition group that can potentially interbreed gt lnterbreeding is common and results in hybrid species Evolutionary Species De nition group evolving together and separate of other groups Based on gene sequencing gt Issue phylogenetic classi cation can be counterintuitive
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