Citation:

PANGAEA.982599

Name: Mesocosm experiment on the influence of heatwave on plankton
Creator: Cédric Léo Meunier
Published: 2025-05-22
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Experiment; mesocosm experiment

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Published: 2025-05-22 • DOI registered: 2025-05-22

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Abstract:

In the context of global change, marine organisms are subjected not only to gradual changes in abiotic parameters, but also to an increasing number of extreme events, such as heatwaves. However, we still know little about the influence of heatwaves on the structure of marine communities, and experimental studies are needed to test the impact of heatwaves alone, and in combination with other environmental drivers. Here, we conducted a mesocosm experiment and applied an integrated multiple driver design to assess the potential impact of heatwaves under ambient and future environmental conditions on natural coastal plankton communities. To represent future environmental conditions, temperature and pH were manipulated based on the Representative Concentration Pathway 8.5 proposed by the IPCC for 2100, and dissolved N:P ratios were increased to simulate the conditions expected in European coastal zones. Throughout the experiment, we measured abiotic conditions as well as the abundance of bacterioplankton, phytoplankton, and microzooplankton.

Keyword(s):

Experiment; mesocosm experiment

Related to:

Meunier, Cédric Léo; et al. (in press): Plankton communities today and tomorrow – potential impacts of multiple global change drivers and marine heatwaves. Limnology and Oceanography

Coverage:

Latitude: 55.021801 * Longitude: 8.438232

Date/Time Start: 2021-09-03T00:00:00 * Date/Time End: 2021-09-29T23:59:59

Event(s):

Heatwaves_today_and_tomorrow * Latitude: 55.021801 * Longitude: 8.438232 * Date/Time Start: 2021-09-03T00:00:00 * Date/Time End: 2021-09-29T23:59:59 * Method/Device: Mesocosm experiment (MESO)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Julian day	Julian day		Meunier, Cédric Léo
2	Day of experiment	DOE	day	Meunier, Cédric Léo
3	Treatment	Treat		Meunier, Cédric Léo	Levels: Ambient, ambient HW (with a heatwave), ERCP (future environmental conditions in terms of temperature+pCO2+dissolved nutrient concentrations), ERCP HW (with heatwave)
4	Replicate	Repl		Meunier, Cédric Léo
5	Temperature, water	Temp	°C	Meunier, Cédric Léo
6	pH	pH		Meunier, Cédric Léo
7	Salinity	Sal		Meunier, Cédric Léo
8	Phosphorus, inorganic, dissolved	DIP	µmol/l	Meunier, Cédric Léo
9	Silica, dissolved	DSi	µmol/l	Meunier, Cédric Léo
10	Nitrite	[NO2]-	µmol/l	Meunier, Cédric Léo
11	Nitrate	[NO3]-	µmol/l	Meunier, Cédric Léo
12	Ammonium	[NH4]+	µmol/l	Meunier, Cédric Léo
13	Carbon, organic, particulate	POC	µmol/l	Meunier, Cédric Léo
14	Nitrogen, organic, particulate	PON	µmol/l	Meunier, Cédric Léo
15	Phosphorus, organic, particulate	POP	µmol/l	Meunier, Cédric Léo
16	Bacterioplankton, biomass as carbon	Bacterioplankton C	µg/l	Meunier, Cédric Léo
17	Phytoplankton, biomass as carbon	Phytopl C	µg/l	Meunier, Cédric Léo
18	Microzooplankton, biomass as carbon	Microzoopl C	µg/l	Meunier, Cédric Léo
19	Type of study	Study type		Meunier, Cédric Léo

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

5461 data points

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