Steiner, Niko; Nilsen, Anne M; Gauci, Clément; Jueterbock, Alexander; Bartsch, Inka (2026): Heat stress response of juvenile Saccharina latissima sporophytes to sporophyte priming [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.996553 (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 juvenile Saccharina latissima sporophytes under heat stress and in response to sporopyhte priming. Gametogenesis of gametophytes (Spitsbergen 2011, 2015; 5°C clonal culture, n = 5) was induced at 5°C and sporophytes reared for 6 months. Sporophytes were distributed to three treatment groups. A 17-day heat wave (from 5°C to 20°C and back) followed by a 1-day priming trigger at 21.5°C (HWT); 17 days at 10°C and a 1-day priming trigger (T); a control remaining at 10°C throughout (C). All groups were subjected to a 7-day heat stress treatment at 20°C, 21.5°C, 23°C, and 25°C, where we measured Fv/Fm, percentage of healthy area and survival. All laboratory experiments were carried out at the Alfred Wegener Institute in Bremerhaven, from January to July 2024.
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: 2024-06-24T00:00:00 * Date/Time End: 2024-07-08T00:00:00
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 | Survival | Surv | # | Steiner, Niko | Visual observation | Number of live sporophytes |
| 9 | Survival | Survival | % | Steiner, Niko | Sporophyte survival | |
| 10 | Sporophyte blade area, total | Sporophyte blade area tot | pixel2 | Steiner, Niko | Image analysis NIH ImageJ | |
| 11 | Sporophyte blade area, healthy | Sporophyte blade area healthy | pixel2 | Steiner, Niko | Pulse-Amplitude-Modulated (PAM) fluorometer, WALZ GmbH, Germany, M-Series | healthy = Fv/Fm > 0.6 |
| 12 | Sporophyte blade area, healthy | Sporophyte blade area healthy | % | Steiner, Niko | healthy = Fv/Fm > 0.6 |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
2540 data points
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