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Rebecchi, Federica; Lattanzi, Davide; Abramovich, Sigal; Ambrogini, Patrizia; Frontalini, Fabrizio; Schmidt, Christiane (2025): Chlorophyll a content of the benthic foraminifera Amphistegina lobifera exposed to electric current, April 2023 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.983699, In: Rebecchi, F et al. (2025): Effects of electric current on growth, chlorophyll a content, pulse amplitude modulation response, and new chamber formation of the foraminifera Amphistegina lobifera [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.983600

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Published: 2025-07-21 • DOI registered: 2025-08-19

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Abstract:
This dataset contains measurements of chlorophyll a content, quantified by determining a change in the total pigments of the endosymbionts of the benthic foraminifera Amphistegina lobifera, exposed to electric currents over a one-month period. The data were collected in April 2023, the first of a two-part experiment, using a Tecan Spark plate reader operated with SparkControl v2.3. This dataset provides insights into the effects of electric currents on the physiological responses of the diatom symbionts of Amphistegina lobifera.
Keyword(s):
Benthic foraminifera; chlorophyll-a; electric current; growth rate; Laboratory experiment; PAM fluorometry
Supplement to:
Rebecchi, Federica; Lattanzi, Davide; Abramovich, Sigal; Ambrogini, Patrizia; Frontalini, Fabrizio; Schmidt, Christiane (2025): Effects of low-level electric current on the growth of Amphistegina lobifera and its photosynthetic diatom endosymbionts. PeerJ, 13, e20160, https://doi.org/10.7717/peerj.20160
Funding:
Deutsche Forschungsgemeinschaft, Bonn (DFG), grant/award no. 444059848: SYMBIOAID: the role of diatom endosymbionts on the adaptive potenital of benthic foraminifera to climate change
Coverage:
Latitude: 32.826010 * Longitude: 34.955770
Date/Time Start: 2023-01-19T00:00:00 * Date/Time End: 2023-01-19T00:00:00
Minimum Elevation: -0.5 m * Maximum Elevation: -0.5 m
Event(s):
A_lobifera_electric  * Latitude: 32.826010 * Longitude: 34.955770 * Date/Time: 2023-01-19T00:00:00 * Elevation: -0.5 m * Location: Israel * Method/Device: Sampling by hand (HAND) * Comment: sample location: Shikmona station
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEventRebecchi, Federica
2 Type of studyStudy typeRebecchi, Federica
3 Date/time start, experimentDate/time start expRebecchi, Federica
4 Species, unique identificationSpecies UIDRebecchi, Federica
5 Species, unique identification (Semantic URI)Species UID (Semantic URI)Rebecchi, Federica
6 Species, unique identification (URI)Species UID (URI)Rebecchi, Federica
7 MassMassgRebecchi, Federicaweight tube
8 Sample massSamp mgRebecchi, FedericaWeight tube + wet sample
9 Sample, wet massSample wmmgRebecchi, FedericaWeight wet sample
10 AbsorbanceAbsorbanceAURebecchi, Federica750
11 AbsorbanceAbsorbanceAURebecchi, Federica665
12 Chlorophyll aChl aµg/mgRebecchi, FedericaMicroplate Spectrophotometer, TECAN, Spark
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
405 data points

Data

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

1 
Event		2 
Study type		3 
Date/time start exp		4 
Species UID		5 
Species UID (Semantic URI)		6 
Species UID (URI)		7 
Mass [g]
(weight tube)		8 
Samp m [g]
(Weight tube + wet sample)		9 
Sample wm [mg]
(Weight wet sample)		10 
Absorbance [AU]
(750)		11 
Absorbance [AU]
(665)		12 
Chl a [µg/mg]
A_lobifera_electric Laboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.140041.1421512.110.09540.119668.78
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1397391.14171.960.04890.060535.49
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1450821.1475022.420.04910.1052139.09
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.142391.1455113.120.0470.062129.03
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1434481.146453.00.04830.095694.54
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1441211.1469082.790.29050.3408108.29
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1457641.148252.490.04820.074864.2
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1455481.1485713.020.04650.04976.35
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1399671.1425182.550.15580.185569.85
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1480661.1500391.970.04610.054024.02
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1430761.146913.830.07610.091423.94
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1395431.1423312.790.40280.4759157.32
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.142971.1459472.980.07890.109361.27
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1405711.1427692.20.33320.355460.6
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1440641.1466872.620.07390.093945.75
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.146031.1491963.170.24720.3418179.28
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.143461.1462312.770.04720.1440209.6
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1413621.1440682.710.04630.0927102.88
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1431381.1459292.790.04760.080169.87
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1463221.1484382.120.34810.378385.63
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1436771.1457352.060.1960.210241.4
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1390191.1410922.070.04760.04832.03
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1427021.1452082.510.04340.074273.74
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.14571.1482982.60.04520.068152.89
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1479691.1512773.310.04450.1217140.02
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.140561.1443.440.04460.062431.05
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1411841.1420390.860.1700.173222.46
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1460291.1487622.730.04720.084281.23
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1454131.1474762.060.04610.050211.92
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1437641.146092.330.06720.1402188.31
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1414571.1434952.040.2680.3275175.17
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1397661.1420722.310.0540.0993117.87
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1467251.1490562.330.04680.0957125.87
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1438061.1462442.440.0520.063628.55
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1442841.1462842.00.04550.0828111.9
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1433451.1452771.930.04890.059633.23
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1432261.1451611.940.05080.076579.69
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.141181.1433262.150.04490.062850.05
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.141021.1436772.660.04580.1011124.88
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1391941.1418882.690.35050.378061.25
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1410561.1432452.190.34970.4173185.29
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1400481.1429362.890.04890.060924.93
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.141821.1445432.720.05480.1356178.04
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1441591.1470872.930.37380.419593.65
A_lobifera_electricLaboratory experiment2023-05-25Amphistegina lobiferaurn:lsid:marinespecies.org:taxname:490083marinespecies.org1.1431541.1469253.770.39330.4984167.22