Bornemann, Horst; Schröder, Henning; Held, Christoph (2025): Immobilisation dose rates for Weddell seals during expedition ANT-Land_2024_SEAEIS (NEU2024) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.982955
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Published: 2025-06-18 • DOI registered: 2025-06-18
Abstract:
Weddell seals (Leptonychotes weddellii) were immobilised during expedition ANT-Land_2024_SEAEIS (NEU2024) for the purpose of deployments with infrared (IR) camera loggers (CAM). The IR-CAM deployments (n=13) were located at Atka-Bay in the vicinity to the Neumayer Station III (DE), eastern Weddell Sea. The seals were searched by Skidoo on fast (bay) ice and captured along tidal cracks within the bay and immobilised and instrumented with infrared video camera loggers (Little Leonardo, JP) to investigate their foraging behaviour in the context of ROV-borne imagery and sea ice features within the Atka Bay.
Related to:
Held, Christoph (in prep.): Seals and cryo-benthic communities at the Ekström Ice Shelf (SEAEIS). In: Regnery J, Matz T, Köhler P & Wesche C. Expeditions to Antarctica: ANT-Land 2024/25 NEUMAYER STATION III, Kohnen Station and Field Campaigns, Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research
Project(s):
Coverage:
Median Latitude: -70.570418 * Median Longitude: -7.941879 * South-bound Latitude: -70.611780 * West-bound Longitude: -8.200580 * North-bound Latitude: -70.531060 * East-bound Longitude: -7.456900
Date/Time Start: 2024-11-16T16:12:00 * Date/Time End: 2024-12-31T13:05:00
Event(s):
NEU2024_wed_a_f_01 * Latitude Start: -70.611780 * Longitude Start: -7.903910 * Latitude End: -70.611780 * Longitude End: -7.903910 * Date/Time Start: 2024-11-16T16:12:00 * Date/Time End: 2024-11-16T16:12:00 * Location: Southern Ocean - Atlantic Sector * Campaign: ANT-Land_2024_SEAEIS (NEU2024) * Basis: NEUMAYER III * Method/Device: Marine endotherm (MET) * Comment: Leptonychotes weddellii, adult female
NEU2024_wed_a_f_02 * Latitude Start: -70.611780 * Longitude Start: -7.903910 * Latitude End: -70.611780 * Longitude End: -7.903910 * Date/Time Start: 2024-11-16T17:15:00 * Date/Time End: 2024-11-16T18:00:00 * Location: Southern Ocean - Atlantic Sector * Campaign: ANT-Land_2024_SEAEIS (NEU2024) * Basis: NEUMAYER III * Method/Device: Marine endotherm (MET) * Comment: Leptonychotes weddellii, adult female
NEU2024_wed_a_f_03 * Latitude Start: -70.611690 * Longitude Start: -7.903890 * Latitude End: -70.556650 * Longitude End: -8.072500 * Date/Time Start: 2024-11-17T11:50:00 * Date/Time End: 2024-12-03T14:05:00 * Location: Southern Ocean - Atlantic Sector * Campaign: ANT-Land_2024_SEAEIS (NEU2024) * Basis: NEUMAYER III * Method/Device: Marine endotherm (MET) * Comment: Leptonychotes weddellii, adult female
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Bornemann, Horst | |||
| 2 | DATE/TIME | Date/Time | Bornemann, Horst | Geocode | ||
| 3 | LATITUDE | Latitude | Bornemann, Horst | Geocode | ||
| 4 | LONGITUDE | Longitude | Bornemann, Horst | Geocode | ||
| 5 | Species code | Spec code | Bornemann, Horst | |||
| 6 | Sample code/label | Sample label | Bornemann, Horst | immobilisation procedure | ||
| 7 | Mass | Mass | kg | Bornemann, Horst | Estimated | |
| 8 | Length, standard | I std | mm | Bornemann, Horst | Ruler tape | |
| 9 | Girth, standard | g std | mm | Bornemann, Horst | Ruler tape | |
| 10 | Physical restraint | Phys rest | Bornemann, Horst | |||
| 11 | Premedication | Premedication | Bornemann, Horst | Injection | ||
| 12 | Additives | Additives | Bornemann, Horst | Injection | ||
| 13 | Time of day | Time of day | Bornemann, Horst | first injection | ||
| 14 | Xylazine | Xylazine | mg | Bornemann, Horst | Injection | initial dose |
| 15 | Ketamine | Ketamine | mg | Bornemann, Horst | Injection | initial dose |
| 16 | Time of day | Time of day | Bornemann, Horst | second injection | ||
| 17 | Xylazine | Xylazine | mg | Bornemann, Horst | Injection | |
| 18 | Ketamine | Ketamine | mg | Bornemann, Horst | Injection | |
| 19 | Time of day | Time of day | Bornemann, Horst | |||
| 20 | Diazepam | Diazepam | mg | Bornemann, Horst | Injection | |
| 21 | Time of day | Time of day | Bornemann, Horst | |||
| 22 | Atipamezol | Atipamezol | mg | Bornemann, Horst | Injection | |
| 23 | Comment | Comment | Bornemann, Horst |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
225 data points
Data
| 1 Event | 2 Date/Time | 3 Latitude | 4 Longitude | 5 Spec code | 6 Sample label (immobilisation procedure) | 7 Mass [kg] (Estimated) | 8 I std [mm] (Ruler tape) | 9 g std [mm] (Ruler tape) | 10 Phys rest | 11 Premedication (Injection) | 12 Additives (Injection) | 13 Time of day (first injection) | 14 Xylazine [mg] (initial dose, Injection) | 15 Ketamine [mg] (initial dose, Injection) | 16 Time of day (second injection) | 17 Xylazine [mg] (Injection) | 18 Ketamine [mg] (Injection) | 19 Time of day | 20 Diazepam [mg] (Injection) | 21 Time of day | 22 Atipamezol [mg] (Injection) | 23 Comment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NEU2024_wed_a_f_01 | 2024-11-16T16:12 | -70.61178 | -7.90391 | Weddell seal, adult female | 1 | 400 | no | no | no | 16:12 | 1000 | 1300 | incomplete immobilisation, likely due to injection in the blubber, only slight visible effect, premature termination | |||||||||
| NEU2024_wed_a_f_02 | 2024-11-16T17:15 | -70.61178 | -7.90391 | Weddell seal, adult female | 1 | 400 | no | no | no | 17:15 | 1000 | 1300 | 18:00 | 45 | incomplete immobilisation, likely due to injection in the blubber, only slight visible effect, premature termination | |||||||
| NEU2024_wed_a_f_03 | 2024-11-17T11:50 | -70.61169 | -7.90389 | Weddell seal, adult female | 1 | 400 | 2280 | 1770 | no | no | no | 11:50 | 1000 | 1300 | 13:00 | 90 | successful immobilisation, cam 23036 & cam 23037 | |||||
| NEU2024_wed_a_f_03 | 2024-11-20T10:40 | -70.61169 | -7.90389 | Weddell seal, adult female | 2 | 400 | 2280 | 1770 | no | no | no | 10:40 | 1000 | 1300 | 11:30 | 75 | successful immobilisation, cam 23038 & cam 23040 | |||||
| NEU2024_wed_a_m_04 | 2024-11-22T12:45 | -70.57112 | -7.45690 | Weddell seal, adult male | 1 | 350 | 2720 | 1740 | no | no | no | 12:45 | 1000 | 1300 | 13:35 | 90 | successful immobilisation, cam 20018 | |||||
| NEU2024_wed_a_m_04 | 2024-11-30T13:30 | -70.57112 | -7.45690 | Weddell seal, adult male | 2 | 350 | no | no | no | 13:45 | 1000 | 1300 | incomplete immobilisation, likely due to s.c. injection of the firs syringe. 2nd and 3rd shots completed no visible effect, premature termination | |||||||||
| NEU2024_wed_a_f_03 | 2024-12-03T13:20 | -70.55665 | -8.07250 | Weddell seal, adult female | 3 | 400 | 2280 | 1770 | no | no | no | 13:20 | 1000 | 1300 | 14:05 | 90 | successful immobilisation, retrieval cam 23038 & 23040 | |||||
| NEU2024_wed_a_m_05 | 2024-12-03T15:00 | -70.53106 | -8.20058 | Weddell seal, adult male | 1 | 350 | 2720 | 1910 | no | no | no | 15:00 | 1000 | 1300 | 15:25 | 250 | 200 | 16:10 | 100 | successful immobilisation, cam 22026, UKW 11002 | ||
| NEU2024_wed_a_m_04 | 2024-12-18T11:10 | -70.57112 | -7.45690 | Weddell seal, adult male | 3 | 350 | 2720 | 1740 | no | no | no | 11:10 | 1000 | 1300 | 13:00 | 90 | died in narcosis due to irreversible apnaea, cam 20018 retrieval | |||||
| NEU2024_wed_a_m_05 | 2024-12-19T09:10 | -70.53106 | -8.20058 | Weddell seal, adult male | 2 | 350 | 2720 | 1910 | no | no | no | 09:10 | 1000 | 1300 | 09:55 | 90 | successful immobilisation, retrieval cam 22026; cam 23036 | |||||
| NEU2024_wed_a_f_06 | 2024-12-20T10:15 | -70.53106 | -8.20058 | Weddell seal, adult female | 1 | 400 | no | no | no | 10:15 | 1000 | 1300 | 11:15 | 90 | incomplete immobilisation, likely due to injection in the blubber, only slight visible effect, premature termination | |||||||
| NEU2024_wed_a_m_07 | 2024-12-21T10:30 | -70.53106 | -8.20058 | Weddell seal, adult male | 1 | 350 | 2600 | 1930 | no | no | no | 10:30 | 1000 | 1300 | 11:20 | 250 | 200 | 11:55 | 100 | successful immobilisation, cam 23037 & cam 23038 | ||
| NEU2024_wed_a_m_05 | 2024-12-22T11:00 | -70.53106 | -8.20058 | Weddell seal, adult male | 3 | 350 | 2720 | 1910 | no | no | no | 11:00 | 1000 | 1300 | 11:25 | 250 | 200 | 12:10 | 100 | successful immobilisation, cam 23036 retrieval | ||
| NEU2024_wed_a_m_08 | 2024-12-28T10:15 | -70.61169 | -7.90389 | Weddell seal, adult male | 1 | 400 | 2890 | 2010 | no | no | no | 10:15 | 1000 | 1300 | 10:40 | 20 | 11:15 | 100 | successful immobilisation, cam 23036 & cam 24040 | |||
| NEU2024_wed_a_m_09 | 2024-12-29T14:42 | -70.53106 | -8.20058 | Weddell seal, adult male | 1 | 350 | 2750 | 1750 | no | no | no | 14:42 | 1000 | 1300 | 15:07 | 20 | 15:50 | 90 | successful immobilisation, cam 20018 | |||
| NEU2024_wed_a_m_08 | 2024-12-31T13:05 | -70.61169 | -7.90389 | Weddell seal, adult male | 1 | 400 | 2890 | 2010 | no | no | no | 13:05 | 1000 | 1300 | 14:00 | 100 | successful immobilisation, cam 23036 & cam 24040 retrieval |