KOSMOS 2020 Peru mesocosm study on ecosystem responses to different light and upwelling intensities: biogenic silica concentrations from water samples ...

This data is part of the BMBF project CUSCO (Coastal Upwelling Systems in a Changing Ocean). Here we report biogenic Silica concentrations in the watercolumn collected during a 35-day experiment, where we enclosed natural plankton communities in in-situ mesocosms off Peru. The experiment investigate...

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Bibliographic Details
Main Authors: Thielecke, Antonia, Smith, Alexandra, Krause, Jeffrey W
Format: Dataset
Language:English
Published: PANGAEA 2023
Subjects:
biogenic silica
Field experiment
Humboldt Current System
light limitation
mesocosm experiment
Upwelling
Type of study
Event label
Mesocosm label
DATE/TIME
Day of experiment
Depth, water, experiment, top/minimum
Depth, water, experiment, bottom/maximum
Treatment light condition
Treatment
Biogenic silica
Biogenic silica, standard deviation
Lithogenic silica
Mesocosm experiment
Spectrophotometer UV/VIS, Thermo Fisher Scientific, Genesys 10
KOSMOS_2020
Coastal Upwelling System in a Changing Ocean CUSCO
Network of Leading European AQUAtic MesoCOSM Facilities Connecting Mountains to Oceans from the Arctic to the Mediterranean AQUACOSM
Arctic
Online Access:https://dx.doi.org/10.1594/pangaea.961209
https://doi.pangaea.de/10.1594/PANGAEA.961209
Description
Summary:This data is part of the BMBF project CUSCO (Coastal Upwelling Systems in a Changing Ocean). Here we report biogenic Silica concentrations in the watercolumn collected during a 35-day experiment, where we enclosed natural plankton communities in in-situ mesocosms off Peru. The experiment investigated the interactive effects of light and upwelling on the Humboldt upwelling ecosystem by mimicking a gradient of upwelling intensities (0%, 15%, 30%, 45% and 60%) under summer-time high light and winter-time low light. Integrated seawater samples from a depth between 0 and 10m were collected using a 5L Integrating Water sampler (IWS; Hydro-Bios, Kiel). Samples (0.15-1L) were filtered onto polycarbonate filters (0.65 µm pore size, Whatman). The filters were then dried in the oven at 60 °C for 24 hours and measured following a modified procedure by DeMaster (1981, doi:10.1016/0016-7037(81)90006-5). A standard water bath (Fisher Scientific Isotemp Water Bath, Thermo Fisher Scientific, Waltham, US) was used to digest ... : Mesocosm 10 describes the control sample from the Pacificvalues marked with #: analytically undetectable ...

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