BSCI 106H Population Characteristics.docx

2 Pages
Unlock Document

Biological Sciences Program
BSCI 106
Alexandra Bely

BSCI 106H: Population Growth  Organismal  Population ecology: factors regulating population growth rates and population size  Population: group of individuals of single species living in same general area o Population characteristics? (to make model of pop growth, how N now is related to future N) Patterns and rates of reproduction, death rate, ratio of male to female, trends in upbringing vs. number of offspring (refer to text)  Number (N): number of individuals in population, important for assessing potential for increase in absolute numbers, particular importance in conservation, can be estimated by, ie: mark-recapture method (Fig. 53.2) Sampling 2: Sampling 1: # captured during S1 & S2 = # captured during S1 # captured during S2 N  Density (N/area or volume) o Many ecological factors influenced by density of a population, not the absolute number  Dispersion: pattern of spacing among individuals; ie: clumped, uniform, random; Fig. 53.4  Change in N over time=population dynamics (Fig. 53.3) [births, deaths, immigration, emigration]  Potential ch
More Less

Related notes for BSCI 106

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.