You manage a salmon hatchery. Your scientific consultant has…
You manage a salmon hatchery. Your scientific consultant has just provided you with data on your stock’s rate of growth. She reported that the growth rate is λ = 1.1. You currently have 1,000 salmon. As part of a 10-year loan agreement with your local credit union, you must project how many salmon you will have in 10 years (the end of your loan agreement). They have told you that you need at least 10,000 salmon after 10 years to qualify. Based on these data, will your hatchery satisfy their requirements? Hint: Nt = N0λt
Read DetailsA population of great tit enjoy limited competition for nest…
A population of great tit enjoy limited competition for nesting sites in Wytham Woods (near Oxford, UK). However, a population of door mice expand their range into the western portion of this forest. They too nest in small cavities, and they are more formidable competitors. As a result, they functionally exclude the great tits from using the western portion of the forest entirely. This situation describes a reduction of the great tits’ (choose one: realized or fundamental) niche.
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