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Section index Input data explore() migration() residency() Manual mode Beyond
the three analyses


SIMPLIFYING ACOUSTIC TELEMETRY DATA ANALYSIS

Designed for studies where animals tagged with acoustic tags are expected to
move through receiver arrays. Combines the advantages of automatic sorting and
checking of animal movements with the possibility for user intervention on tags
that deviate from expected behaviour.




WHAT IS THE R PACKAGE ACTEL?

If you are using acoustic telemetry to track animals as they move inside a study
area or as they migrate somewhere, actel is the R package for you. By bringing
together the study area configuration and the recorded detections, actel
provides a systematic way of analysing animal migration and residency data.


CHOOSE THE ANALYSIS THAT FITS YOUR STUDY


EXPLORE

explore() allows you to quickly get a summary of your data. You can use
explore() to get a general feel for the study results, and check if the input
files are behaving as expected. It is also a good candidate if you just want to
validate your detections for later use in other analyses.


MIGRATION

The migration() analysis runs the same initial checks as explore(), but on top
of it, it analyses the animal behaviour. By selecting the arrays that lead to
success, you can define whether or not your animals survived the migration.
Additional plots help you find out if some animal/tag has been acting odd.
Multiple options allow you to tweak the analysis to fit your study perfectly.


RESIDENCY

The residency() analysis runs the same initial checks as explore(), but,
similarly to migration, explores particular points of the animal behaviour. If
you want to know where your animals were in each day of the study, how many
animals were in each section each day, and other residency-focused variables,
this is the analysis you are looking for!


A VARIETY OF OUTPUTS

To truly learn how to operate actel, you must read the manual carefully. The
manual has been arranged so that you can prepare your analysis as you learn;
quite soon you will get your first results! Here are some examples:


MOVEMENT TABLES:

ArrayDetectionsFirst stationLast stationFirst timeLast timeTime travellingTime
on array River114St.1St.22019-05-15 10:30:002019-05-15 13:00:0025:20:142:30:00
River23St.4St.42019-05-15 13:50:002019-05-15 14:40:000:50:000:50:00
River38St.5St.62019-05-15 16:00:002019-05-15 16:20:001:20:000:20:00
Fjord221St.10St.112019-05-16 15:10:002019-05-16 18:00:0022:50:002:50:00
Sea11St.18St.182019-05-18 09:45:002019-05-18 09:45:0015:45:000:00:00


DETECTION GRAPHICS




TIMES OF ARRIVAL AND SUMMARY INFORMATION




ARRAY EFFICIENCY AND TAG PROGRESSION




INDIVIDUAL RESIDENCY




GLOBAL RESIDENCY



actel: Simplifying acoustic telemetry data analysis