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camtrapR (version 0.99.0)

Camera Trap Data Management and Preparation of Occupancy and Spatial Capture-Recapture Analyses

Description

Management of and data extraction from camera trap photographs in wildlife studies. The package provides a workflow for storing and sorting camera trap photographs, computes record databases and detection/non-detection matrices for occupancy and spatial capture-recapture analyses with great flexibility. In addition, it provides simple mapping functions (number of species, number of independent species detections by station) and can visualise activity data.

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Version

Install

install.packages('camtrapR')

Monthly Downloads

1,159

Version

0.99.0

License

GPL (>= 2)

Maintainer

Juergen Niedballa

Last Published

April 12th, 2016

Functions in camtrapR (0.99.0)

activityDensity

Plot kernel density estimation of single-species activity

recordTableIndividual

Generate a single-species record table with individual identification from camera trap images

recordTableIndividualSample

Sample single-species record table with custom metadata from camera trap images

activityHistogram

Plot histogram of single-species activity

camtrapR-package

Overview of the functions in the camtrapR package

Radial plots of single-species activity

appendSpeciesNames

Add or remove species names from JPEG image filenames

checkSpeciesIdentification

Consistency check on species image identification

checkSpeciesNames

Check species names against the ITIS taxonomic database

Show Exif metadata tags and tag names from JPEG images

Sample camera trap station information

createStationFolders

Create camera trap station directories for raw camera trap images

spatialDetectionHistory

Generate a capthist object for spatial capture-recapture analyses from camera-trapping data

getSpeciesImages

Collect all images of a species

cameraOperation

Create a camera trap station operability matrix

Generate maps of observed species richness and species presences by station

recordTableSample

Sample species record table from camera trap images

timeShiftImages

Apply time shifts to JPEG image metadata

createSpeciesFolders

Create species directories for species identification

Copy and rename images based on camera trap station ID and creation date

detectionHistory

Species detection histories for occupancy analyses

Create a report about s camera trapping survey and species detections

Sample camera trap time shift table

Add a directory to PATH temporarily

Generate a species record table from camera trap images

activityOverlap

Plot overlapping kernel densities of two-species activities