{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

4-15-08 notes

4-15-08 notes - Population Ecology Notes Population ecology...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
April 15, 2008 Population Ecology Notes Population ecology is the study of populations in relation to the environment including environmental influences on population density and distribution, age structure, and variations in population size Examples of applications of population ecology o Invasive species (animals that come in and take over) o Endangered species o Pest control (agriculture) o Human population growth Population: a group of individuals of the same species living in the same general area Density: the number of individuals per unit area (oak trees/km 2 ) Dispersion: pattern of spacing among individuals within the boundaries of the population How to estimate density? o Count all individuals within the boundaries of a population o Sampling techniques—estimate population size o Mark-recapture: trap, mark, and recapture animals Dispersion: patterns of spacing among individuals within a population o Clumped Could be from seed dispersal—more individuals growing near the parent plant Different wolf packs—wolves clump because their chances of survival are greater. They hunt in big packs so that they can take down bigger animals MOST COMMON DISTRIBUTION o Uniform Territorial
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 4

4-15-08 notes - Population Ecology Notes Population ecology...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online