Historical occurrence of whales in Scottish Waters inferred from whaling records

Conor Ryan

Dataset credit

IWC

Contacts

RoleNameOrganization 
Primary contact Conor Ryan
Data entry Ei Fujioka Duke

Citation

Abstract

Archived logbooks detailing landings at Scottish shore-based whaling stations between 1903 and 1951 were used to map whale catch locations.
Historical distribution and occurrence are inferred and summary statistics on total landings are updated for blue (Balaenoptera musculus), fin (Balaenoptera physalus), humpback (Megaptera novaeangliae), North Atlantic right (Eubalaena glacialis), sei (Balaenoptera borealis) and sperm (Physeter macrocephalus) whales: a total of 9,996 whales were caught
during this period, which is 3.7% higher than previously reported and 25% higher for blue whales.

Purpose

N/A

Supplemental information

This dataset contains a subset of the data used in the citation. The data
belong to IWC and the use of the data should be credited to the references.

References

Allison, C. 2020. IWC Individual large whale catch database Version 7.1, released 23 December 2020. Available from the International Whaling Commission, 135 Station Road, Impington, Cambridge, CB24 9NP UK. [statistics@iwc.int]. International Whaling Commission.

Attributes

Overview

This section explains attributes included in the original dataset. OBIS-SEAMAP restricts the attributes available to the public to date/time, lat/lon and species names/counts only. Should you need other attributes described here, you are encouraged to contact the data provider.

Attributes described below represent those in the original dataset provided by the provider.
Only minimum required attributes are visible and downloadable online. Other attributes may be obtained upon provider's permission.

Attributes in dataset

Attribute (table column)Description
oidUnique ID number (generated by OBIS-SEAMAP)
linerow line
stationWhaling station where whale was landed
iwc_linerow line (IWC)
vesselName of catcher vessel
ddestdefinition not provided
landing_dateLanding date
timeTime is not available and this field is always "00:00:00"
catch_latLatitude of the catch
catch_longLongitude of the catch
speciesSpecies scientific name
sp_tsnTaxonomic Serial Number added by OBIS-SEAMAP
obs_countNumber of animals (always 1) added by OBIS-SEAMAP
feetLength of the body in feet
inchesLength of the body in inches
lengthfeet
length_unitsee IWC Technical Note 15
sexSex
foetus_nNumber of fetuses. see IWC Technical Note 15
foetus_lengthLength of fetus 1. see IWC Technical Note 15
foetus_sexSex of fetus 1. see IWC Technical Note 15
foetus2_lengthLength of fetus 2. see IWC Technical Note 15
foetus2_sexSex of fetus 2. see IWC Technical Note 15
station_codeIWC codes for stations / factory ships. see IWC Technical Note 15
nationalityNationality of the catcher vessels. see IWC Technical Note 15
stomach_contentsee IWC Technical Note 15
stomach_percentage_contentsee IWC Technical Note 15
stomach_content_digestionsee IWC Technical Note 15
stomach_content_preysizesee IWC Technical Note 15
loststruck and lost information. see IWC Technical Note 15
pregnantsee IWC Technical Note 15
maturitysee IWC Technical Note 15
data_conflictsee Ryan et al. 2022 supplementary information for how these conflicts were resolved
ref_placeWhale catch logbooks provided locations in reference to geographical locations (see Ryan et al., 2022 for more details)
ref_distanceWhale catch logbooks provided locations by distances to geographical locations (see Ryan et al., 2022 for more details) (metres)
ref_bearingWhale catch logbooks provided locations by bearings to geographical locations (see Ryan et al., 2022 for more details) (degrees)
ref_latLatitude of the geographical reference points, such as headlands or islands (see Ryan et al., 2022 for more details)
ref_longLongitude of the geographical reference points, such as headlands or islands (see Ryan et al., 2022 for more details)
regionGeographical region
station_latLatitude of the whaling station where the whale was landed
station_longLongitude of the whaling station where the whale was landed
station_distanceDistance between the station and catch location (km)
geomGeometry field added by OBIS-SEAMAP
OBIS-SEAMAP ID2213
Seabirds0
Marine mammals3,992
Sea turtles0
Rays and sharks0
Other species0
Non spatial0
Non species0
Total3,992
Date, Begin1904-04-18
Date, End1951-08-05
Temporal prec.111000
Latitude56.17 - 63.41
Longitude-14.46 - 3.40
Coord. prec.6 decimal digits
PlatformBoat
Data typeAnimal sighting
EffortN/A
Traveled (km)0
0
Contr. through
Registered2022-09-29
Updated2022-09-29
StatusPublished
Sharing policy CC-BY-NC (Minimum)
Shared with OBIS
GBIF (via DOI)
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See metadata in FGDC XML
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