BIOL 1620 Lecture 4: Population ecology
Document Summary
The bigger our population gets, the more the sensory dependent factors will affect it. food can become scarse with bigger populations. Finite amounts of resources. easier for predators to hunt prey. Predation can form populations. the more population you have packed in a local place the disease will spread faster. There"s just so much territory that a population can occupy. in water, can cause mortality. In this example, positive density dependence is going on, although it doesn"t identify specify the mortality factors. When population sizes are low, juveniles mostly reproduce. However, when population sizes are high, there"s high mortality among juveniles so they can"t reproduce. However, it doesn"t show which mortality factors are causing this phenomena to occur. Even though exponential growth does not exist in nature - or for a short period of time-, humans have been growing exponentially for a reasonable chunk of time. We know that this is the cause when we analyze the.
