Dataset: Otolith chemistry of fishes in the Baltic Sea collected 2019-2021 for Project Breathless

This dataset is part of Project Breathless, which brings together an interdisciplinary team of ecologists, economists and communication scholars to increase understanding of the impact of low oxygen dead zones in lakes and oceans.  The project team focuses on how low oxygen conditions influence fish, their habitats and the food webs that support them, as well as ecosystem services, including fisheries production.

This dataset is one of three examining Baltic fishes using data collected during routine surveys for monitoring the status of fish stocks:

• Dataset 967907 (Baltic fishes stable isotopes and mercury) summarizes capture data as well as basic biological information; it also includes all stable isotopic ratio and total mercury data collected from muscle tissue (not from every fish). 
• Dataset 967925 (this dataset of Baltic fishes otolith chemistry) contains all of the Baltic Sea fish otolith chemistry data; it also includes data from 14 Icelandic cod otoliths that were used as an out-group for part of the study
• Dataset 967934 (Baltic fishes eye lens chemistry) contains all of the eye lens chemistry data.

(See Related Datasets section below for links)