Dr. Jan-Claas Dajka

Helmholtz Institute for Functional Marine Biodiversity

Email: jan-claas.dajka@hifmb.de

Jan was a PhD-student within the LEC Reefs team from 2016 to 2020. Jan’s PhD was a collaboration between Lancaster Environment Centre (LEC) and Stockholm Resilience Centre (SRC). This PhD project with supervision by Nick Graham (LEC), Jos Barlow (LEC), and Magnus Nyström (SRC), focused on small scale feedback processes on degraded coral reefs, their manipulation to assist coral reef recovery in the Seychelles, and expanded on large scale social-ecological feedback processes between people and reefs in Jamaica.

What’s next?

Jan works as a social-ecological postdoctoral researcher at the Helmholtz Institute for Functional Marine Biodiversity (HIFMB). At HIFMB, Jan is investigating marine biodiversity in various marine systems and how they respond to global change.

Selected Publications

  • Dajka JC, Beasley V, Gendron G, Barlow J, Graham NAJ (2021) Weakening macroalgal feedbacks through shading on degraded coral reefs. Aquatic Conservation: Marine and Freshwater Ecosystems 31(7): 1660-1669.
  • Dajka JC, Woodhead AJ, Norstrom AV, Graham NAJ, Riechers M, Nystrom M (2020) Red and green loops help uncover missing feedbacks in a coral reef social-ecological system. People and Nature 2: 608-618.
  • Dajka JC, Wilson SK, Robinson JPW, Chong-Seng KM, Harris A, Graham NAJ (2019) Uncovering drivers of juvenile coral density following mass bleaching. Coral Reefs 38: 637-649.
  • Robinson JPW, McDevitt-Irwin JM, Dajka JC, Hadj-Hammou J, Howlett S, Graba-Landry A, Hoey AS, Nash KL, Wilson SK, Graham NAJ (2019) Habitat and fishing control grazing potential on coral reefs. Functional Ecology 34: 240-251.