Berger, Stella A; Lentz, Maren; Nejstgaard, Jens Christian; Gessner, Mark O (2021): TemBi 2014 mesocosm study: Summer storm effect on chlorophyll a development in Lake Stechlin [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.930907
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Published: 2021-04-29 • DOI registered: 2021-10-29
Abstract:
We simulated an experimental summer storm in large-volume (~1200 m³, ~16m depth) enclosures in Lake Stechlin (https://www.lake-lab.de) by mixing deeper water masses from the meta- and hypolimnion into the mixed layer (epilimnion). The mixing included the disturbance of a deep chlorophyll maximum (DCM) which was present at the same time of the experiment in Lake Stechlin and situated in the metalimnion of each enclosure during filling. Size-fractionated (0.2-3 µm and >3.0 µm) chlorophyll a (Chla) development was monitored for 42 days after the experimental disturbance event. Mixing disrupted the thermal stratification, increased concentrations of dissolved nutrients and CO2 and changed light conditions in the epilimnion. Thereby, mixing increased the concentration of Chla of the small size fraction 0.2-3.0 within one week after mixing. After 2-3 weeks, mixing resulted in increased concentrations of Chla also in the large size fraction, which was associated to a bloom of Dolichospermums sp.
Supplement to:
Grossart, Hans-Peter; Hornick, Thomas; Berger, Stella A; Nejstgaard, Jens Christian; Monaghan, Michael T; Miki, Takashi; Giling, Darren P; Selmeczy, Géza B; Sareyka, Jörg; Padisák, Judit; Kasprzak, Peter; Wurzbacher, Christian; Kirillin, Georgiy; Engelhardt, Christof; Gessner, Mark O (2025): Extreme summer storm elicits shifts in biogeochemistry, primary productivity, and plankton community structure in a large-scale lake enclosure experiment. Limnology and Oceanography Letters, lol2.70058, https://doi.org/10.1002/lol2.70058
Project(s):
Funding:
Federal Ministry of Education and Research (BMBF), grant/award no. 01LC1501G: Bridging in Biodiversity Science
Federal Ministry of Education and Research (BMBF), grant/award no. 033L041B: Stickstofflimitation in Binnengewässern
German Research Foundation (DFG), grant/award no. 233512011: An Experimental Platform for Climate Change Impact Research on Lakes
Leibniz Association (Leibniz Association), grant/award no. SAW-2011-IGB-2: Climate driven Changes in Biodiversity of Microbiota
Coverage:
Latitude: 53.143300 * Longitude: 13.028100
Date/Time Start: 2014-08-04T00:00:00 * Date/Time End: 2014-09-16T00:00:00
Minimum DEPTH, water: 2.0 m * Maximum DEPTH, water: 16.0 m
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DATE/TIME | Date/Time | Grossart, Hans-Peter | Geocode | ||
| 2 | Day of experiment | DOE | day | Grossart, Hans-Peter | ||
| 3 | Day of the year | DOY | day | Grossart, Hans-Peter | ||
| 4 | Description | Description | Grossart, Hans-Peter | Water layer | ||
| 5 | Mesocosm label | Meso label | Grossart, Hans-Peter | LakeLab mesocosm number | ||
| 6 | Treatment | Treat | Grossart, Hans-Peter | |||
| 7 | DEPTH, water | Depth water | m | Grossart, Hans-Peter | Geocode | |
| 8 | Chlorophyll a | Chl a | µg/l | Gessner, Mark O | Acetone extraction from polycarbonate filters; fluorescence spectrophotometer (Hitachi F-7000, Tokyo, Japan) | 0.2 µm - 3.0 µm |
| 9 | Chlorophyll a | Chl a | µg/l | Gessner, Mark O | Acetone extraction from polycarbonate filters; fluorescence spectrophotometer (Hitachi F-7000, Tokyo, Japan) | > 3.0 µm |
| 10 | Chlorophyll a | Chl a | µg/l | Gessner, Mark O | Acetone extraction from polycarbonate filters; fluorescence spectrophotometer (Hitachi F-7000, Tokyo, Japan) | Total |
Change history:
2025-08-22T13:45:36 – Parameter #3 was changed on request of the author to 'Day of the year' (DOY).
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
2160 data points
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