Resh3 - Biology 1B, Ecology Lecture 3, Page 1 *Assigned...

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

View Full Document Right Arrow Icon
Professor Resh Spring 2009 *Assigned readings, 8 th Edition pp. 1174-1181 7 th Edition pp. 1136-1139 Dynamics of Populations Outline of Lecture 3 A. Density B. Dispersion 1. Random 2. Uniform 3. Clumped, contagious, and aggregated C. Sampling effort to estimate population size D. Density, dispersion, and statistical precision * Three principles used in sampling effort E. Demography A. Density: the number of individuals per unit area or volume; densities are determined using direct counts, quadrats, or indirect methods (e.g. mark-recapture) N = Number marked initially X total catch on second trapping Number recaptured in second trapping B. Dispersion (degree of aggregation; spatial distribution, etc.): the pattern of spacing of individuals within the boundaries of a popula- tion (see Fig. 52.3 on p. 1138, 7 th Edit. or Fig. 52.2 on p. 1153, 6 th Edit.) . Random
Background image of page 1

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

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

This note was uploaded on 04/20/2009 for the course BIO 1B taught by Professor Carlson,mischel,power during the Spring '07 term at University of California, Berkeley.

Page1 / 4

Resh3 - Biology 1B, Ecology Lecture 3, Page 1 *Assigned...

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

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