'Marked individuals' diaporamas de présentation

Life Sciences

428 views • 42 slides

667 views • 41 slides

Monday 2/24

389 views • 28 slides

Population and community ecology

Population and community ecology. Population ecology. Terminology. Species Habitat Population Community Ecosystem Ecology Ecological niche. Size of a population. Definition and impact on population size: Natality Mortality Dispersal (including immigration, emigration and migration)

246 views • 22 slides

DEMOGRAPHY

DEMOGRAPHY. The study of birth and death processes that determine growth and age structure of a population. Each age class of a population has an expected:. Mortality rate. Fecundity rate. Demographic characteristics can be represented in:. Life Tables summarize deaths and/or births

558 views • 19 slides

Estimating Population Size

Estimating Population Size. Quadrats Capture/Mark/Release/Recapture (Lincoln Index). Knowing population size is important in making environmental decisions that would affect the population. Making a decision on an estimate that is too high ? extinction.

872 views • 18 slides

2.3.2 Abundance of organisms.

2.3.2 Abundance of organisms. Methods for Estimating Population Size 1. Quadrats 2. Capture/Mark/Release/Recapture (Lincoln Index). Knowing population size is important in making environmental decisions that would affect the population.

274 views • 14 slides