R package secr. Spatially Explicit Capture-Recapture. Functions to estimate the density and size of a spatially distributed animal population sampled with an array of passive detectors, such as traps, or by searching polygons or transects. Models incorporating distance-dependent detection are fitted by maximizing the likelihood. Tools are included for data manipulation and model selection.

Keywords for this software

Anything in here will be replaced on browsers that support the canvas element