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Niedzwiedz, Sarina; Diehl, Nora; Fischer, Philipp; Bischof, Kai (2022): Seasonal and inter-annual variability in the heatwave tolerance of the kelp Saccharina latissima [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.949740

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Abstract:
Temperature is a major driver for the geographical distribution of organisms, such as the foundation kelp species Saccharina latissima. Globally rising sea surface temperatures and intensification of marine heatwaves have already led to local loss of kelp populations. We investigated temporal variations in the thermal susceptibility of S. latissima. Therefore, we assessed the stress responses of field sporophytes sampled from Helgoland (German Bight) to an experimental heat wave scenario in June 2018, August 2018, and August 2019. The experiment in June 2018 was conducted by Diehl et al. (2021a) and the respective dataset (Diehl et al. 2021b, https://doi.org/10.1594/PANGAEA.931637) was re-evaluated for this study. Treatment temperatures (18, 20, 22, 24 °C) were based on 18 °C summer mean sea surface temperature on Helgoland as control, and Δ+2, Δ+4, Δ+6 °C as temperature-amplitude treatments, mimicking marine heatwaves. After a three-days wound healing phase, seven days of temperature acclimation (day 0-7) and seven days of temperature treatment (day 8-14) followed. The survival, growth and maximum photosynthetic quantum yield (Fv/Fm; June 2018/August 2018: ImagingPAM, Walz Imaging PAM Maxi Version M-series; August 2019: Portable Chlorophyll Fluorometer PAM-2100, Heinz Walz GmbH, Effeltrich, Germany) were measured on day 0 and day 14. To highlight changes as response to the experimental heat wave, physiological parameters were shown as percentage of the initial values. Absolute concentrations of pigments were analyzed using a HPLC. Afterwards, accessory pigment (Acc) and xanthophyll cycle pigment (VAZ) concentration, as well as the de-epoxidation state of the xanthophyll cycle (DPS) and ratios were calculated.
Keyword(s):
Acclimation; Climate change; Fv/Fm; growth; Laboratory experiment; pigments; Saccharina latissima; Survival; Temperature tolerance
Supplement to:
Niedzwiedz, Sarina; Diehl, Nora; Fischer, Philipp; Bischof, Kai (2022): Seasonal and inter‐annual variability in the heatwave tolerance of the kelp Saccharina latissima (Laminariales, Phaeophyceae). Phycological Research, 70(4), 212-222, https://doi.org/10.1111/pre.12501
Related to:
Diehl, Nora; Roleda, Michael Y; Bartsch, Inka; Karsten, Ulf; Bischof, Kai (2021): Summer Heatwave Impacts on the European Kelp Saccharina latissima Across Its Latitudinal Distribution Gradient. Frontiers in Marine Science, 8, https://doi.org/10.3389/fmars.2021.695821
Diehl, Nora; Roleda, Michael Y; Bartsch, Inka; Karsten, Ulf; Bischof, Kai (2021): Summer heatwave impacts on the European kelp Saccharina latissima across its latitudinal distribution gradient – raw data to temperature-amplitude experiment with field material from five different locations [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.931637
Further details:
Colombo-Pallotta, María Florencia; García-Mendoza, Ernesto; Ladah, Lydia B (2006): Photosynthetic performance, light absorption, and pigment composition of Macrocystis pyrifera (Laminariales, Phaeophyceae) blades from different depths. Journal of Phycology, 42(6), 1225-1234, https://doi.org/10.1111/j.1529-8817.2006.00287.x
Coverage:
Median Latitude: 54.186090 * Median Longitude: 7.908310 * South-bound Latitude: 54.181670 * West-bound Longitude: 7.903300 * North-bound Latitude: 54.188300 * East-bound Longitude: 7.918330
Date/Time Start: 2018-07-03T06:00:00 * Date/Time End: 2019-09-26T06:00:00
Event(s):
Helgoland_Slatissima_2018a * Latitude: 54.181670 * Longitude: 7.918330 * Date/Time: 2018-06-26T00:00:00 * Location: Helgoland, North Sea * Method/Device: Sampling by diver (DIVER) * Comment: Water depth 3-5 m
Helgoland_Slatissima_2018b * Latitude: 54.188300 * Longitude: 7.903300 * Date/Time: 2018-08-23T00:00:00 * Location: Helgoland, North Sea * Method/Device: Sampling by diver (DIVER) * Comment: Water depth 3-5 m
Helgoland_Slatissima_2019 * Latitude: 54.188300 * Longitude: 7.903300 * Date/Time: 2019-08-21T00:00:00 * Location: Helgoland, North Sea * Method/Device: Sampling by diver (DIVER) * Comment: Water depth 3-5 m
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventNiedzwiedz, Sarina
2Type of studyStudy typeNiedzwiedz, Sarina
3FamilyFamilyNiedzwiedz, Sarina
4SpeciesSpeciesNiedzwiedz, Sarina
5Genus, unique identification (URI)Genus UID (URI)Niedzwiedz, Sarina
6Genus, unique identification (Semantic URI)Genus UID (Semantic URI)Niedzwiedz, Sarina
7DATE/TIMEDate/TimeNiedzwiedz, SarinaGeocode – experiment
8Experiment dayExp daydayNiedzwiedz, Sarina
9Temperature, waterTemp°CNiedzwiedz, Sarina
10ReplicateReplNiedzwiedz, Sarina
11SurvivalSurv#Niedzwiedz, SarinaVisual observationdiscs
12SurvivalSurvival%Niedzwiedz, SarinaCalculateddiscs
13Size, algal discSize algal disccm2Niedzwiedz, SarinaMeasured using software ImageJ
14Area, algal disc, relativeArea algal disc rel%Niedzwiedz, SarinaCalculated
15Maximum photochemical quantum yield of photosystem IIFv/FmNiedzwiedz, SarinaPulse amplitude modulation (PAM) fluorometry
16Maximum photochemical quantum yield of photosystem II, relativeFv/Fm rel%Niedzwiedz, SarinaCalculated
17Chlorophyll c, per dry massChl c/dmµg/gNiedzwiedz, SarinaHigh Performance Liquid Chromatography (HPLC)
18Fucoxanthin, per dry massFuco dmµg/gNiedzwiedz, SarinaHigh Performance Liquid Chromatography (HPLC)
19Violaxanthin, per dry massViola/dmµg/gNiedzwiedz, SarinaHigh Performance Liquid Chromatography (HPLC)
20Antheraxanthin, per dry massAnthera/dmµg/gNiedzwiedz, SarinaHigh Performance Liquid Chromatography (HPLC)
21Zeaxanthin, per dry massZea/dmµg/gNiedzwiedz, SarinaHigh Performance Liquid Chromatography (HPLC)
22Chlorophyll a, per dry massChl a/dmµg/gNiedzwiedz, SarinaHigh Performance Liquid Chromatography (HPLC)
23Pigments, accessory, per dry massPigm acc/dmµg/gNiedzwiedz, SarinaHigh Performance Liquid Chromatography (HPLC)
24Pigments, accessory/chlorophyll a ratioPigm acc/chl aNiedzwiedz, SarinaCalculated
25Violaxanthin + Antheraxanthin + Zeaxanthin, per dry massVAZ/dmµg/gNiedzwiedz, SarinaHigh Performance Liquid Chromatography (HPLC)
26Pigments, violaxanthin-xanthophyll-cycle/chlorophyll a ratioVAZ/Chl aNiedzwiedz, SarinaCalculated
27De-expoxidation state of xanthophyll cycleDPSNiedzwiedz, Sarinaafter Colombo-Pallotta et al. (2006)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1683 data points

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