Biology and Ecosystems

Learn more about animal population analysis, and access, explore, and download U.S. species occurrence data.

Filter Total Items: 69
Date published: June 2, 1989

BAND2: A Computer Program for Sample Size Computations for Banding Studies

Computes the number of animals that must be banded in order to achieve a specified level of precision for survival rates estimated using band recovery models.

Date published: April 26, 1988


Computes the power of between-model likelihood ratio tests.

Date published: January 12, 1988


Computes estimates of survival and temporary emigration under the "Open Robust Design".

Date published: October 28, 1987


Computes estimates of survival and capture probability for capture-recapture experiments on open animal populations.

Date published: April 5, 1987


Computes estimates of capture probability and population size for "closed" population capture-recapture data.

Date published: March 26, 1986


Computes estimates of survival (or any model parameter) with multinomially distributed data.

Date published: April 26, 1982


Computes estimates of daily survival rate for nest visitation data.

Date published: April 26, 1981


Computes expected coefficients of variation of survival and capture probability for use in the design of capture-recapture-resighting experiments.

Date published: April 26, 1979


Computes "species richness" or total number of species from emperical species abundance distribution data.