Baumann, Hannes (2009): Otolith microstructure analysis on Sprattus sprattus trawled during HEINCKE cruise HE221 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.711746
Always quote citation above when using data! You can download the citation in several formats below.
Related to:
Baumann, Hannes; Malzahn, Arne; Voss, Rüdiger; Temming, Axel (2009): The German Bight (North Sea) is a nursery area for both locally and externally produced sprat juveniles. Journal of Sea Research, 61(4), 234-243, https://doi.org/10.1016/j.seares.2009.01.004
Coverage:
Median Latitude: 54.086490 * Median Longitude: 7.756588 * South-bound Latitude: 53.925500 * West-bound Longitude: 7.097500 * North-bound Latitude: 54.294833 * East-bound Longitude: 8.208333
Date/Time Start: 2004-10-14T00:00:00 * Date/Time End: 2004-10-15T00:00:00
Minimum Elevation: -45.0 m * Maximum Elevation: -18.0 m
Event(s):
HE221/1834-TRAWL_1 * Latitude Start: 54.101667 * Longitude Start: 7.097500 * Latitude End: 54.088333 * Longitude End: 7.138833 * Date/Time Start: 2004-10-14T08:43:00 * Date/Time End: 2004-10-14T09:13:00 * Elevation: -36.0 m * Location: North Sea * Campaign: HE221A (GG04_11) * Basis: Heincke * Method/Device: Trawl net (TRAWL)
HE221/1836-TRAWL_2 * Latitude: 54.114000 * Longitude: 7.609833 * Date/Time Start: 2004-10-14T11:14:00 * Date/Time End: 2004-10-14T11:14:00 * Elevation: -39.0 m * Location: North Sea * Campaign: HE221A (GG04_11) * Basis: Heincke * Method/Device: Trawl net (TRAWL)
HE221/1838-TRAWL_3 * Latitude Start: 54.122500 * Longitude Start: 7.840833 * Latitude End: 54.100000 * Longitude End: 7.864333 * Date/Time Start: 2004-10-14T13:02:00 * Date/Time End: 2004-10-14T13:32:00 * Elevation: -45.0 m * Location: North Sea * Campaign: HE221A (GG04_11) * Basis: Heincke * Method/Device: Trawl net (TRAWL)
Comment:
All increments counted, none excluded, the sum of all increments gives the age after "first increment formation", NOT specifically hatch date! Note, too, that the last increment was always deleted because presumably its formation couldn't be completed on the day of catch.
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | Event label | Event | ||||
2 | DATE/TIME | Date/Time | Geocode | |||
3 | LATITUDE | Latitude | Geocode | |||
4 | LONGITUDE | Longitude | Geocode | |||
5 | Sprattus sprattus, standard length | S. sprattus sl | mm | Baumann, Hannes | Vernier caliper | |
6 | Sprattus sprattus, total length | S. sprattus TL | mm | Baumann, Hannes | Vernier caliper | |
7 | Sprattus sprattus, wet mass | S. sprattus wm | g | Baumann, Hannes | Weighted | Fish wet weigths were measured on frozen samples |
8 | Width of the hatch check | Hatch check w | µm | Baumann, Hannes | Otolith reader | Distance from the core of the otolith to the first innermost increment |
9 | Otorad | Otorad | µm | Baumann, Hannes | Otolith reader | Cumulative width (µm) of all increments measured along the measurement axis from the core to the post-rostrum of the otolith |
10 | Increment number | Inc | # | Baumann, Hannes | ||
11 | Day of formation | DOF | day | Baumann, Hannes | Otolith reader | Back-calculated day of the year, when the increment was formed |
12 | Sprattus sprattus, otolith, increment width | S. sprattus oto inc w | µm | Baumann, Hannes | Otolith reader | |
13 | Quality code | Quality | Baumann, Hannes | Otolith reader | Quality score running from 1(best) to 5(worst) judged by the otolith reader to rate the level of clarity, visibility and confidence in the centre | |
14 | Quality code | Quality | Baumann, Hannes | Otolith reader | Quality score running from 1(best) to 5(worst) judged by the otolith reader to rate the level of clarity, visibility and confidence in the first part of the middle sections | |
15 | Quality code | Quality | Baumann, Hannes | Otolith reader | Quality score running from 1(best) to 5(worst) judged by the otolith reader to rate the level of clarity, visibility and confidence in the second part of the middle sections | |
16 | Quality code | Quality | Baumann, Hannes | Otolith reader | Quality score running from 1(best) to 5(worst) judged by the otolith reader to rate the level of clarity, visibility and confidence towards the edge | |
17 | Quality code | Quality | Baumann, Hannes | Otolith reader | Mean quality score of the four ratings centre, middle1, middle2, and edge |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
130226 data points
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