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Software

An official USGS software project is code reviewed and approved at the bureau-level for distribution.

Filter Total Items: 916

SPECRICH2 SPECRICH2

Estimates the total number of species from species presence-absence data on multiple sample sites or occasions using model M(h) from program CAPTURE.

PRESENCE PRESENCE

Estimates patch occupancy rates and related parameters.

RDSURVIV RDSURVIV

Computes estimates of survival and capture probability using capture-recapture data with "robust-design" models and recoveries.

GENPRES GENPRES

Generates patch-occupancy data and analyzes using MARK.

CENTROID CENTROID

Tests the null hypothesis that two samples of recoveries belong to the same bivariate distribution.

DISTANCE DISTANCE

Allows design and analysis of distance sampling surveys to estimate density and abundance of a population
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