Total alkalinity and pH during a short-term feeding experiment testing the contribution of shellfish diet (Reed Mariculture SD1800) to seawater alkalinity
type: Dataset
conforms to: http://mlcommons.org/croissant/1.0
creator: Marco Rump
creator: Gisela Lannig
creator: Christian Bock
creator: Albert Benthien
creator: Bernadette Pogoda
creator: Dominik Antoni
  type: Person
  family name: Antoni
  given name: Dominik
  affiliation: Alfred Wegener Institute - Biological Institute Helgoland
creator: Gunnar Gerdts
publisher: PANGAEA
  type: Organization
  disambiguating description: Data Publisher for Earth & Environmental Science
included in data catalog: PANGAEA
  type: DataCatalog
  disambiguating description: Data Publisher for Earth & Environmental Science
date published: 2026-07-29
is part of: https://doi.pangaea.de/10.1594/PANGAEA.996264
additional type: dataset
description: This dataset contains measurements of seawater pH and total alkalinity from a short-term factorial feeding experiment conducted independently of the main chronic alkalinity-enhancement exposure. The experiment tested whether the shellfish diet used to feed the oysters in the main experiment (Reed Mariculture SD1800, a concentrated microalgae feed) contributes to seawater total alkalinity, and whether this contribution depends on the presence of oysters. Four treatment combinations were run in parallel over a 9-day period (12 to 21 November 2024): unamended seawater without oysters or feed (control), seawater with food but without oysters (SD 1800), seawater with oysters but without feed (oysters) and seawater with both oysters and feed (oysters + SD 1800). Oysters in the unfed treatments were left entirely without feed for the full 9 days. Each treatment was sampled on six days (day 0, 1, 3, 5, 7 and 9) in triplicate. Seawater pH was measured with a pH electrode and total alkalinity by open-cell potentiometric titration, both on a Metrohm 855 Robotic Titrosampler.
abstract: This dataset contains measurements of seawater pH and total alkalinity from a short-term factorial feeding experiment conducted independently of the main chronic alkalinity-enhancement exposure. The experiment tested whether the shellfish diet used to feed the oysters in the main experiment (Reed Mariculture SD1800, a concentrated microalgae feed) contributes to seawater total alkalinity, and whether this contribution depends on the presence of oysters. Four treatment combinations were run in parallel over a 9-day period (12 to 21 November 2024): unamended seawater without oysters or feed (control), seawater with food but without oysters (SD 1800), seawater with oysters but without feed (oysters) and seawater with both oysters and feed (oysters + SD 1800). Oysters in the unfed treatments were left entirely without feed for the full 9 days. Each treatment was sampled on six days (day 0, 1, 3, 5, 7 and 9) in triplicate. Seawater pH was measured with a pH electrode and total alkalinity by open-cell potentiometric titration, both on a Metrohm 855 Robotic Titrosampler.
citation: Ecotoxicological impacts of Ocean Alkalinity Enhancement on the European flat oyster Ostrea edulis: Insights from tissue metabolomics and metal analysis
  type: CreativeWork
  type: ScholarlyArticle
  creator: Marco Rump
  creator: et al.
  creative work status: submitted
  additional type: journal article
citation: PANGAEA.996219
citation: Carbonate chemistry parameters calculated from measured pH, total alkalinity, salinity and temperature in the exposure mesocosms of a chronic Ostrea edulis alkalinity-enhancement exposure experiment
citation: Concentrations of 27 polar metabolites in gill and mantle tissue of Ostrea edulis measured by ¹H-NMR spectroscopy during a chronic alkalinity-enhancement exposure experiment
citation: Glycogen concentration in the labial palps of Ostrea edulis during a chronic alkalinity-enhancement exposure experiment
citation: Oyster mortality and physicochemical parameters in the exposure mesocosms of a chronic Ostrea edulis alkalinity-enhancement exposure experiment
citation: Tissue-accumulated nickel, chromium and cobalt concentrations in Ostrea edulis measured by ICP-OES at the end of a chronic alkalinity-enhancement exposure experiment
citation: Total alkalinity and pH in the alkalization mesocosms of a chronic Ostrea edulis alkalinity-enhancement exposure experiment
citation: Total alkalinity and pH in the exposure mesocosms of a chronic Ostrea edulis alkalinity-enhancement exposure experiment
spatial coverage: Place
  geo: GeoCoordinates
    latitude: 54.180327
    longitude: 7.888944
temporal coverage: 2024-04-17T00:00:00/2025-03-12T00:00:00
funding: DEFINE2
  type: MonetaryGrant
  funder: Bundesamt für Naturschutz
size: QuantitativeValue
  value: 504.0
  unit text: data points
variable measured: Event label
variable measured: Type of study
  type: PropertyValue
  subject of: DefinedTermSet
    has defined term: type
variable measured: Sampling date/time, experiment
  type: PropertyValue
  subject of: DefinedTermSet
    has defined term: Time
variable measured: Experiment day
  type: PropertyValue
  unit text: day
  subject of: DefinedTermSet
    has defined term: Time
variable measured: Treatment
  type: PropertyValue
  subject of: DefinedTermSet
    has defined term: treatment
variable measured: Replicates
  type: PropertyValue
  unit text: #
  subject of: DefinedTermSet
    has defined term: Abundance or Count
variable measured: pH
variable measured: Alkalinity, total
  type: PropertyValue
  unit text: µmol/kg
  subject of: DefinedTermSet
    has defined term: total
    has defined term: Molar Concentration
keywords: ecotoxicology; ocean alkalinity enhancement; Ostrea edulis
license: https://creativecommons.org/licenses/by/4.0/
conditions of access: access rights needed
is accessible for free: false
language: en
distribution: data matrix.tab
distribution: FileObject
  type: DataDownload
  encoding format: text/html

Marco Rump
type: Person
family name: Rump
given name: Marco
affiliation: Alfred Wegener Institute - Biological Institute Helgoland

Alfred Wegener Institute - Biological Institute Helgoland
type: Organization
alternate name: AWI Helgoland (BAH)
name: Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
alternate name: AWI

Gisela Lannig
type: Person
family name: Lannig
given name: Gisela
affiliation: Alfred Wegener Institute - Biological Institute Helgoland

Christian Bock
type: Person
family name: Bock
given name: Christian
affiliation: Alfred Wegener Institute - Biological Institute Helgoland

Albert Benthien
type: Person
family name: Benthien
given name: Albert
affiliation: Alfred Wegener Institute - Biological Institute Helgoland

Bernadette Pogoda
type: Person
family name: Pogoda
given name: Bernadette
affiliation: Alfred Wegener Institute - Biological Institute Helgoland

Gunnar Gerdts
type: Person
family name: Gerdts
given name: Gunnar
affiliation: Alfred Wegener Institute - Biological Institute Helgoland

PANGAEA.996219
type: CreativeWork
type: Dataset
creator: Marco Rump
creator: Gisela Lannig
creator: Christian Bock
creator: Albert Benthien
creator: Bernadette Pogoda
creator: Dominik Antoni
  type: Person
  family name: Antoni
  given name: Dominik
creator: Gunnar Gerdts
name: Carbonate chemistry parameters calculated from measured pH, total alkalinity, salinity and temperature in the alkalization mesocosms of a chronic Ostrea edulis alkalinity-enhancement exposure experiment
date published: 2026
additional type: dataset

Carbonate chemistry parameters calculated from measured pH, total alkalinity, salinity and temperature in the exposure mesocosms of a chronic Ostrea edulis alkalinity-enhancement exposure experiment
type: CreativeWork
type: Dataset
creator: Marco Rump
creator: Gisela Lannig
creator: Christian Bock
creator: Albert Benthien
creator: Bernadette Pogoda
creator: Dominik Antoni
  type: Person
  family name: Antoni
  given name: Dominik
creator: Gunnar Gerdts
date published: 2026
additional type: dataset

Concentrations of 27 polar metabolites in gill and mantle tissue of Ostrea edulis measured by ¹H-NMR spectroscopy during a chronic alkalinity-enhancement exposure experiment
type: CreativeWork
type: Dataset
creator: Marco Rump
creator: Gisela Lannig
creator: Christian Bock
creator: Albert Benthien
creator: Bernadette Pogoda
creator: Dominik Antoni
  type: Person
  family name: Antoni
  given name: Dominik
creator: Gunnar Gerdts
date published: 2026
additional type: dataset

Glycogen concentration in the labial palps of Ostrea edulis during a chronic alkalinity-enhancement exposure experiment
type: CreativeWork
type: Dataset
creator: Marco Rump
creator: Gisela Lannig
creator: Christian Bock
creator: Albert Benthien
creator: Bernadette Pogoda
creator: Dominik Antoni
  type: Person
  family name: Antoni
  given name: Dominik
creator: Gunnar Gerdts
date published: 2026
additional type: dataset

Oyster mortality and physicochemical parameters in the exposure mesocosms of a chronic Ostrea edulis alkalinity-enhancement exposure experiment
type: CreativeWork
type: Dataset
creator: Marco Rump
creator: Gisela Lannig
creator: Christian Bock
creator: Albert Benthien
creator: Bernadette Pogoda
creator: Dominik Antoni
  type: Person
  family name: Antoni
  given name: Dominik
creator: Gunnar Gerdts
date published: 2026
additional type: dataset

Tissue-accumulated nickel, chromium and cobalt concentrations in Ostrea edulis measured by ICP-OES at the end of a chronic alkalinity-enhancement exposure experiment
type: CreativeWork
type: Dataset
creator: Marco Rump
creator: Gisela Lannig
creator: Christian Bock
creator: Albert Benthien
creator: Bernadette Pogoda
creator: Dominik Antoni
  type: Person
  family name: Antoni
  given name: Dominik
creator: Gunnar Gerdts
date published: 2026
additional type: dataset

Total alkalinity and pH in the alkalization mesocosms of a chronic Ostrea edulis alkalinity-enhancement exposure experiment
type: CreativeWork
type: Dataset
creator: Marco Rump
creator: Gisela Lannig
creator: Christian Bock
creator: Albert Benthien
creator: Bernadette Pogoda
creator: Dominik Antoni
  type: Person
  family name: Antoni
  given name: Dominik
creator: Gunnar Gerdts
date published: 2026
additional type: dataset

Total alkalinity and pH in the exposure mesocosms of a chronic Ostrea edulis alkalinity-enhancement exposure experiment
type: CreativeWork
type: Dataset
creator: Marco Rump
creator: Gisela Lannig
creator: Christian Bock
creator: Albert Benthien
creator: Bernadette Pogoda
creator: Dominik Antoni
  type: Person
  family name: Antoni
  given name: Dominik
creator: Gunnar Gerdts
date published: 2026
additional type: dataset

Bundesamt für Naturschutz
type: Organization
alternate name: BfN

Time
type: DefinedTerm
alternate name: T

data matrix.tab
type: FileObject
type: DataDownload
encoding format: text/tab-separated-values