crab_tag: Crab tag

Description

Depth and temperature data from a sensor tag attached to an edible crab (Cancer Pangurus) in the North Sea in 2008 and 2009.

Arguments

Format

A list with 5 elements, as follows. id_block is a list with 2 elements

Firmware Version No: Version of the firmware used in the crab tag.
Firmware Build Level: Build level of the firmware used in the crab tag.

tag_notebook is a list with 5 elements.

Mission Day: Number of days of data.
Last Deployment Date: Date and time that the tag was released into the sea.
Deployed by Host Version: UNKNOWN
Downloaded by Host Version: UNKNOWN
Last Clock Set Date: UNKNOWN

lifetime_notebook is a list with 3 elements.

Tag ID: The unique ID of the tag.
Pressure Range: UNKNOWN
No of sensors: The number of sensors on the tag.

deployment_notebook is a data frame with X columns.

Start: Start date and time of recording.
Stop: Stop date and time of recording.
Logging Rate: UNKNOWN
Pointer: UNKNOWN
PA inc: UNKNOWN
sensors: UNKNOWN
Flags: UNKNOWN
Resolution: UNKNOWN
Fast Rate: UNKNOWN
V1: UNKNOWN
V2: UNKNOWN

daylog is a data frame with X columns.

Mission.Day: Integer number of days since the start of recording.
Date: Date of record.
Max.Temp: Maximum temperature (Celcius) recorded that day.
Min.Temp: Minimum temperature (Celcius) recorded that day.
Max.Depth: Maximum depth (m) recorded that day.
Min.Depth: Minimum depth (m) recorded that day.
Batt.Volts: Voltage of tag battery.

References

Ewan Hunter ewan.hunter@cefas.gov.uk ran the project where the data was collected. A full analysis is in Hunter, E, Eaton, D, Stewart, C, Lawler, A & Smith, M. 2013. Edible crabs "go west": migrations and incubation cycle revealed by electronic tags. https://www.ncbi.nlm.nih.gov/pubmed/23734180. Richard Cotton richierocks@gmail.com made some modifications while importing it into R.