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1155 Eating with a grain of salt: Trade-offs between habitat use and individual foraging specialisation drive growth across ecotypes of a freshwater piscivore (pike, Esox lucius) inhabiting brackish habitats

Title
Eating with a grain of salt: Trade-offs between habitat use and individual foraging specialisation drive growth across ecotypes of a freshwater piscivore (pike, Esox lucius) inhabiting brackish habitats
Period
2019-06-01 till 2023-06-01
Period length
4 years
Sampling interval
Irregular Interval
Description

The data in this dataset was collected by sampling otoliths muscle tissue, eye lenses, and stomach contents from northern pike, putative pike prey fish, and baseline organisms along environmental gradients in Baltic Sea brackish lagoons. Stable isotope values of carbon, nitrogen, and sulfur were measured via flash mass spectrometry (EA-IRMS) on the tissue samples, including multiple measurements across individual life histories via delaminating eye lenses and measuring individual laminae. Data on otolith Sr concentrations were obtained from laser ablation indicutively coupled plasma mass spectrometry (LA-ICPMS) transect measurements to assess experienced salinities within individual life histories. Annual otolith increments, along with age information, were used to asssess growth performance at the individual level.

Species Groups
Fish, Macrozoobenthos, Insects, Crustaceans, Molluscs
Study site
Bodden lagoons
Contact
Timo Rittweg
Licence for data
All rights reserved. Please send a request to Timo Rittweg if you like to use this data. Mind our data policy: IGB Data Policy
Project
Boddenhecht Project Website

Machine Readable Metadata Files

FRED provides all metadata of this package in a maschine readable format. There is a pure XML file and one EML file in Ecological Metadata Language. Both files are published under the free CC BY 4.0 Licence.

  • Eating_with_a_grain_of_salt:_Trade-offs_between_habitat_use_and_individual_foraging_specialisation_drive_growth_across_ecotypes_of_a_freshwater_piscivore_(pike,_Esox_lucius)_inhabiting_brackish_habitats.xml
  • Eating_with_a_grain_of_salt:_Trade-offs_between_habitat_use_and_individual_foraging_specialisation_drive_growth_across_ecotypes_of_a_freshwater_piscivore_(pike,_Esox_lucius)_inhabiting_brackish_habitats.eml

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