Critical Thinking Questions: Please use your knowledge from the textbook and the two associated articles to answer the following questions. Feel free to use examples throughout. Answers should be in complete sentences and not more than 250 words each. Use these questions as a benchmark to determine how well you understand the underlying material.
|What does it mean for a population to experience a genetic bottleneck? Could a bottleneck ever be beneficial to a population (from a genetics perspective)? Why is heterozygosity an important measure in population genetics? When does heterozygosity go up? What about down? What would cause those changes (i.e., what would make it go up vs. down)?|
|At what point could reintroducing two populations (e.g., one that was captive and one that was wild, two populations separated by a glacier, etc.) fail? You can speculate about how separated these populations were or would have needed to be prior to the reintroduction. Why would these populations fail to reintegrate and become a single population again? Could you visualize this with a phylogenetic tree?|
Policy Question: Should state and federal agencies continue to supplement wild salmon populations with hatchery-reared salmon? Why? If so, how much should hatchery supplementation increase or decrease? How would you know if a given policy is successful (i.e., doing what it is meant to do)? Explain your stance in your recommendation. Answers should be thoughtful and in complete sentences with correct grammar.
|Background information: What do you need to know before you can make an informed recommendation? Use complete sentences. Don’t be afraid to be detailed here.||Why does this missing piece of information matter? (include social and science rationales) Use complete sentences.||List at least 2 sources per row. For each source, include the author, publication (e.g., journal or website name), and year.|
Policy Recommendation: After conducting background research, what is your policy recommendation? Insert parenthetical in-text citations* as needed. (copy/paste this to the discussion in canvas)
*Parenthetical in-text citations look like this:
Due to its strong performance on heavily disturbed soils, C. scoparius readily invades a variety of anthropogenically-affected habitats such as logged forests, roadsides, and over-grazed pastures (Hulting et al. 2008). Information paraphrased from the source Hulting et al. (2008) is cited with the parenthetical at the end of the paragraph. “Et al.” just means “and others” in this context. Quoted excerpt from: Robyn Dove, Emily R. Wolfe, Nathan U. Stewart, and Daniel J. Ballhorn “Ecoregion—Rather Than Sympatric Legumes—Influences Symbiotic Bradyrhizobium Associations in Invasive Scotch Broom (Cytisus scoparius) in the Pacific Northwest,” Northwest Science 94(2), 142-159, (25 November 2020).
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