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Scheschonk, Lydia; Becker, Stefan; Hehemann, Jan-Hendrik; Diehl, Nora; Karsten, Ulf; Bischof, Kai (2019): Pulse amplitude-modulated (PAM) fluorescence in Laminaria solidungula and Saccharina latissima from Kongsfjorden, Spitsbergen, during the polar night 2016/17 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.903836, In supplement to: Scheschonk, L et al. (2019): Arctic kelp eco-physiology during the polar night in the face of global warming: a crucial role for laminarin. Marine Ecology Progress Series, 611, 59-74, https://doi.org/10.3354/meps12860

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Keyword(s):
Arctic; Climate change; Eco-physiology; kelps; Kongsfjorden; polar night; Svalbard
Coverage:
Median Latitude: 78.950000 * Median Longitude: 11.936667 * South-bound Latitude: 78.930000 * West-bound Longitude: 11.930000 * North-bound Latitude: 78.990000 * East-bound Longitude: 11.950000
Event(s):
Kongsfjorden_H (near Hansneset)  * Latitude: 78.990000 * Longitude: 11.950000 * Location: Ny-Ålesund, Spitsbergen * Method/Device: Biological sample (BIOS) * Comment: SCUBA diving, 5−6 m water depth, September/early October 2016
Kongsfjorden_M (Ny-Ålesund harbour, permanent mooring)  * Latitude: 78.930000 * Longitude: 11.930000 * Location: Ny-Ålesund, Spitsbergen * Method/Device: Biological sample (BIOS) * Comment: Collected near Hansneset,Kongsfjorden, by SCUBA diving, 5−6 m water depth, September/early October 2016. Moved to a permanent mooring at a sheltered place in the harbour of Ny-Ålesund at ~5 m depth, retrieved in February 2017.
Kongsfjorden_P (Ny Ålesund, Old Pier)  * Latitude: 78.930000 * Longitude: 11.930000 * Location: Ny-Ålesund, Spitsbergen * Method/Device: Biological sample (BIOS) * Comment: SCUBA diving, 3−4 m water depth, September/early October 2016 and first week of February 2017
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEventScheschonk, Lydia
2 Sample IDSample IDScheschonk, Lydia
3 MonthMonthScheschonk, Lydia
4 SpeciesSpeciesScheschonk, Lydia
5 Sample positionSamp posScheschonk, LydiaPhyloid region
6 Maximal electron transport rateETR maxµmol/m2/sScheschonk, LydiaChlorophyll fluorometer PAM 2500 (WALZ)µmol electrons/m2/s
7 Light saturationEkµmol/m2/sScheschonk, LydiaChlorophyll fluorometer PAM 2500 (WALZ)µmol photons/m2/s, Light saturation point
8 Maximum quantum yield of photosystem IIFv/FmScheschonk, LydiaChlorophyll fluorometer PAM 2500 (WALZ)i.e. variable fluorescence/maximum fluorescence in darkness
9 Light harvesting efficiencyalphaScheschonk, LydiaChlorophyll fluorometer PAM 2500 (WALZ)'initial slope of light curve' (from the WALZ handbook)
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
464 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Event		2 
Sample ID		3 
Month		4 
Species		5 
Samp pos		6 
ETR max [µmol/m2/s]		7 
Ek [µmol/m2/s]		8 
Fv/Fm		9 
alpha
Kongsfjorden_H Oct_Soli_ini_M_1OctoberLaminaria solidungulaMeristem12.74176838.188725960.7490.333652608
Kongsfjorden_HOct_Soli_ini_M_2OctoberLaminaria solidungulaMeristem14.08436859.330328280.7430.237389005
Kongsfjorden_HOct_Soli_ini_M_3OctoberLaminaria solidungulaMeristem14.43938642.080373220.7470.343138249
Kongsfjorden_HOct_Soli_ini_M_4OctoberLaminaria solidungulaMeristem13.62969445.026237540.7470.302705585
Kongsfjorden_HOct_Soli_ini_M_5OctoberLaminaria solidungulaMeristem15.33438045.267237040.7320.338752274
Kongsfjorden_HOct_Soli_ini_M_6OctoberLaminaria solidungulaMeristem15.25534682.038790770.7330.185952836
Kongsfjorden_HOct_Soli_ini_C_1OctoberLaminaria solidungulaCentre11.90703018.572012220.7420.641127619
Kongsfjorden_HOct_Soli_ini_C_2OctoberLaminaria solidungulaCentre12.21062318.558072250.7350.657968263
Kongsfjorden_HOct_Soli_ini_C_3OctoberLaminaria solidungulaCentre14.56459726.630253520.7410.546919204
Kongsfjorden_HOct_Soli_ini_C_4OctoberLaminaria solidungulaCentre21.41358050.473908040.7350.424250479
Kongsfjorden_HOct_Soli_ini_C_5OctoberLaminaria solidungulaCentre15.68141531.385312560.7370.499641825
Kongsfjorden_HOct_Soli_ini_C_6OctoberLaminaria solidungulaCentre14.58814519.512230980.7350.747641037
Kongsfjorden_P Oct_Slat_ini_M_1OctoberSaccharina latissimaMeristem5.58996217.141461740.7480.326107634
Kongsfjorden_POct_Slat_ini_M_2OctoberSaccharina latissimaMeristem8.79501341.737813690.7180.210720505
Kongsfjorden_POct_Slat_ini_M_3OctoberSaccharina latissimaMeristem11.77349166.967593700.7300.175808778
Kongsfjorden_POct_Slat_ini_M_4OctoberSaccharina latissimaMeristem11.80768266.476049620.7370.177623099
Kongsfjorden_POct_Slat_ini_M_5OctoberSaccharina latissimaMeristem9.28033845.918284580.7200.202105497
Kongsfjorden_POct_Slat_ini_M_6OctoberSaccharina latissimaMeristem15.44133157.597740290.7200.268089178
Kongsfjorden_POct_Slat_ini_C_1OctoberSaccharina latissimaCentre8.54267626.941404070.7210.317083530
Kongsfjorden_POct_Slat_ini_C_2OctoberSaccharina latissimaCentre8.60303138.044851250.6600.226128657
Kongsfjorden_POct_Slat_ini_C_3OctoberSaccharina latissimaCentre10.96297526.459219530.7330.414334771
Kongsfjorden_POct_Slat_ini_C_4OctoberSaccharina latissimaCentre14.01280143.267702650.7100.323862829
Kongsfjorden_POct_Slat_ini_C_5OctoberSaccharina latissimaCentre9.14157019.708157860.7070.463846995
Kongsfjorden_POct_Slat_ini_C_6OctoberSaccharina latissimaCentre14.09648735.899611790.7000.392664054
Kongsfjorden_POct_Slat_ini_D_1OctoberSaccharina latissimaDistal10.90127432.882986520.7070.331517139
Kongsfjorden_POct_Slat_ini_D_2OctoberSaccharina latissimaDistal9.85342626.449371520.6920.372539129
Kongsfjorden_POct_Slat_ini_D_3OctoberSaccharina latissimaDistal16.93802655.845851410.6930.303299627
Kongsfjorden_POct_Slat_ini_D_4OctoberSaccharina latissimaDistal12.76266033.150181910.7090.384995183
Kongsfjorden_POct_Slat_ini_D_5OctoberSaccharina latissimaDistal20.38575372.655026370.6500.280582833
Kongsfjorden_POct_Slat_ini_D_6OctoberSaccharina latissimaDistal15.36232736.949864350.7050.415761404
Kongsfjorden_M Feb_Soli_ini_M_1FebruaryLaminaria solidungulaMeristem10.56561557.753419510.6930.182943533
Kongsfjorden_MFeb_Soli_ini_M_2FebruaryLaminaria solidungulaMeristem11.21151238.995512830.6840.287507738
Kongsfjorden_MFeb_Soli_ini_M_3FebruaryLaminaria solidungulaMeristem7.02021425.667764950.6640.273503142
Kongsfjorden_MFeb_Soli_ini_M_4FebruaryLaminaria solidungulaMeristem12.07795843.687641690.7010.276461670
Kongsfjorden_MFeb_Soli_ini_M_5FebruaryLaminaria solidungulaMeristem9.88521438.171122370.7030.258971011
Kongsfjorden_MFeb_Soli_ini_M_6FebruaryLaminaria solidungulaMeristem9.85124230.083925360.6970.327458654
Kongsfjorden_MFeb_Soli_ini_C_1FebruaryLaminaria solidungulaCentre10.63279532.586429970.6910.326295180
Kongsfjorden_MFeb_Soli_ini_C_2FebruaryLaminaria solidungulaCentre6.81123823.918255660.6870.284771509
Kongsfjorden_MFeb_Soli_ini_C_3FebruaryLaminaria solidungulaCentre14.49241651.402183150.7170.281941637
Kongsfjorden_MFeb_Soli_ini_C_4FebruaryLaminaria solidungulaCentre10.72836536.367317740.6920.295000172
Kongsfjorden_MFeb_Soli_ini_C_5FebruaryLaminaria solidungulaCentre14.40796172.180360250.6870.199610547
Kongsfjorden_MFeb_Soli_ini_C_6FebruaryLaminaria solidungulaCentre13.39364749.927937020.7060.268259569
Kongsfjorden_PFeb_Slat_ini_M_1FebruarySaccharina latissimaMeristem12.253243160.127012900.2600.076522026
Kongsfjorden_PFeb_Slat_ini_M_2FebruarySaccharina latissimaMeristem15.787306349.360788000.2660.045189117
Kongsfjorden_PFeb_Slat_ini_M_3FebruarySaccharina latissimaMeristem
Kongsfjorden_PFeb_Slat_ini_M_4FebruarySaccharina latissimaMeristem
Kongsfjorden_PFeb_Slat_ini_M_5FebruarySaccharina latissimaMeristem
Kongsfjorden_PFeb_Slat_ini_M_6FebruarySaccharina latissimaMeristem
Kongsfjorden_PFeb_Slat_ini_C_1FebruarySaccharina latissimaCentre13.71358034.458325810.6940.397975811
Kongsfjorden_PFeb_Slat_ini_C_2FebruarySaccharina latissimaCentre13.59502932.868967620.6990.413612899
Kongsfjorden_PFeb_Slat_ini_C_3FebruarySaccharina latissimaCentre17.48548044.018158980.7050.397233324
Kongsfjorden_PFeb_Slat_ini_C_4FebruarySaccharina latissimaCentre13.23190235.408310520.6840.373694827
Kongsfjorden_PFeb_Slat_ini_C_5FebruarySaccharina latissimaCentre17.63333039.334221000.7020.448294893
Kongsfjorden_PFeb_Slat_ini_C_6FebruarySaccharina latissimaCentre12.85821034.792751320.6960.369565779
Kongsfjorden_PFeb_Slat_ini_D_1FebruarySaccharina latissimaDistal8.43558825.572468100.6710.329869908
Kongsfjorden_PFeb_Slat_ini_D_2FebruarySaccharina latissimaDistal8.32172026.474278010.6650.314332278
Kongsfjorden_PFeb_Slat_ini_D_3FebruarySaccharina latissimaDistal7.90332022.910590390.6700.344963596
Kongsfjorden_PFeb_Slat_ini_D_4FebruarySaccharina latissimaDistal9.60139627.134824780.6700.353840343
Kongsfjorden_PFeb_Slat_ini_D_5FebruarySaccharina latissimaDistal11.91685945.186604420.6350.263725478
Kongsfjorden_PFeb_Slat_ini_D_6FebruarySaccharina latissimaDistal12.26491435.920923110.6610.341442051