Population regulation & density dependent factors | Ecology …
https://www.khanacademy.org/science/ap-biology/ecology-ap/population-ecology-ap/a/mechanisms-of-population-regulation
OverviewKey pointsIntroductionDensity-dependent limiting factorsDensity-independent limiting factorsPopulation fluctuationsPopulation cyclesCase study: lemmingsCase study: lynx and haresWhat factors limit population sizes?•In nature, population size and growth are limited by many factors. Some are density-dependent, while others are density-independent.•Density-dependent limiting factors cause a population's per capita growth rate to change—typi…•Density-independent factors affect per capita growth rate independent of population density. Examples include natural disasters like forest fires.See more on khanacademy.org What factors limit population sizes?•In nature, population size and growth are limited by many factors. Some are density-dependent, while others are density-independent. •Density-dependent limiting factors cause a population's per capita growth rate to change—typi…•Density-independent factors affect per capita growth rate independent of population density. Examples include natural disasters like forest fires.
What factors limit population sizes?•In nature, population size and growth are limited by many factors. Some are density-dependent, while others are density-independent.
•Density-dependent limiting factors cause a population's per capita growth rate to change—typi…•Density-independent factors affect per capita growth rate independent of population density. Examples include natural disasters like forest fires.
DA: 96 PA: 15 MOZ Rank: 21