Depth and temperature data from a sensor tag attached to
an edible crab (Cancer Pangurus) in the North Sea in 2008
and 2009.
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.
Note
This data was kindly supplied by Ewan Hunter of CEFAS. It
is part of a larger dataset consisting of many crabs.
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.