BIO_SC 1010 Lecture 32: Climate Change & Population Ecology
Document Summary
Sea level rise global sea level rose about 6. 7 inches in the last century (double) if the rise is faster than we expect, we could be in trouble. Ocean warming ocean absorbs heat along with co2. Ocean acidification acidity has increased by 30% since 185- due to more co2 being present in the water. Will affect species distributions for all living species. Focuses on the factors that influence a population"s size & regulate growth over time. Growth rate: difference between the birth rate & death rate. Exponential growth: unrestricted growth of a population increasing at a constant growth rate. Logistic growth: starts off fast & levels off once the population hits the carrying compact. Carrying capacity: max population size that a particular environment can sustain. Population growth is limited by environmental factors such as available food sources, disease, and access to natural resources. Zero population growth -- birth rate = death rate.
