Steiner, Niko; Nilsen, Anne M; Gauci, Clément; Jueterbock, Alexander; Bartsch, Inka (2026): Heat stress response of adult Saccharina latissima sporophytes to sporophyte priming [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.996552 (DOI registration in progress), In: Steiner, N et al. (2026): Heat stress response of Saccharina latissima sporophytes of different age classes to gametophyte and sporophyte priming [dataset bundled publication]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.996547 (DOI registration in progress)
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Published: 2026-10-22
Abstract:
We assessed the heat tolerance of adult Saccharina latissima sporophytes reared in mariculture under heat stress and in response to sporopyhte priming. Primed (0°C, 10°C, 20°C; 3 weeks) gametophytes (Lofoten 2023; 10°C mixed culture; n = 5) were sown on ropes and reared in a mariculture experiment (2 months hatchery, 4 months mariculture). Adult sporophytes were sampled and sporophytes from the 0°C gametophyte priming treatment were recovered at 10°C for 24 days. Meristematic discs were exposed to a 1-day sporophyte priming trigger (T). A control group (C) remained at 10°C. After 3 days recovery at 10°C both groups were subjected to a 7-day heat stress treatment at 20°C, 21.5°C, 23°C, and 25°C, where we measured growth (disc area) and Fv/Fm. The mariculture experiment took place at the hatchery of Polaralge AS (Sandhornøy, Norway; December - February 2024) and the deployment site of Lofoten Blue Harvest (Lilje Engla, Lofoten, Norway; 68°16'02.8"N 15°06'14.8"E; February – June 2024). The laboratory experiment was carried out at the Alfred Wegener Institute in Bremerhaven, Germany.
Supplement to:
Steiner, Niko; Nilsen, Anne M; Gauci, Clément; Jueterbock, Alexander; Bartsch, Inka (2026): Differential response of gametophyte and sporophyte priming to heat stress of Saccharina latissima sporophytes across different age classes. Marine Ecology Progress Series, 794, 1-24, https://doi.org/10.3354/meps15253
Funding:
The Research Council of Norway (RCN), grant/award no. 334327: KELPRIME - Priming as a kelp engineering technology to enhance yield and secure production under environmental challenges
Coverage:
Latitude: 53.533270 * Longitude: 8.580520
Date/Time Start: 2024-07-11T00:00:00 * Date/Time End: 2024-07-26T00:00:00
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Steiner, Niko | |||
| 2 | Type of study | Study type | Steiner, Niko | |||
| 3 | Date | Date | Steiner, Niko | |||
| 4 | Day of experiment | DOE | day | Steiner, Niko | ||
| 5 | Treatment | Treat | Steiner, Niko | Sporophyte priming temperature | ||
| 6 | Treatment: temperature | T:temp | °C | Steiner, Niko | Heatwave simulation T | |
| 7 | Replicate | Repl | Steiner, Niko | |||
| 8 | Sample ID | Sample ID | Steiner, Niko | Sporophyte disc number | ||
| 9 | Area | Area | cm2 | Steiner, Niko | Image analysis NIH ImageJ | Disc area |
| 10 | Maximum quantum yield of photosystem II | Fv/Fm | Steiner, Niko | Pulse-Amplitude-Modulated (PAM) fluorometer, WALZ GmbH, Germany, M-Series |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
3816 data points
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