About the Authors

Ingrid Tulp

ingrid.tulp@wur.nl

Affiliation Institute for Marine Resources and Ecosystem Studies (IMARES), Wageningen University, IJmuiden, The Netherlands

Marieke Keller

Affiliation Institute for Marine Resources and Ecosystem Studies (IMARES), Wageningen University, IJmuiden, The Netherlands

Jacques Navez

Affiliations Department of Analytical and Environmental Chemistry, Vrije Universiteit Brussel, Brussels, Belgium, Section de Pétrographie-Minéralogie-Géochimie, Koninklijk Museum voor Midden-Afrika, Musée Royal de l'Afrique Centrale, Tervuren, Belgium

Hendrik V. Winter

Affiliation Institute for Marine Resources and Ecosystem Studies (IMARES), Wageningen University, IJmuiden, The Netherlands

Martin de Graaf

Affiliation Institute for Marine Resources and Ecosystem Studies (IMARES), Wageningen University, IJmuiden, The Netherlands

Willy Baeyens

Affiliations Department of Analytical and Environmental Chemistry, Vrije Universiteit Brussel, Brussels, Belgium, Section de Pétrographie-Minéralogie-Géochimie, Koninklijk Museum voor Midden-Afrika, Musée Royal de l'Afrique Centrale, Tervuren, Belgium

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IT MK HW WB MDG. Performed the experiments: JN MK. Analyzed the data: IT JN. Contributed reagents/materials/analysis tools: MK JN WB. Wrote the paper: IT.