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Department of Biology

Photo: André Eckhardt IHF

Marine Ecosystem Dynamics

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Marine Ecosystem Dynamics and Management

Welcome!

The working group of Prof. Dr. Christian Möllmann is analysing climatic and fishery induced effects on the structure and functioning of marine ecosystems with the goal to develop better ecosystem-based management strategies.

Heike Schwermer

Photo: Heike Schwermer

Conflicts in Fisheries Management

Heike Schwermer is working to enhance the system understanding to achieve a sustainable management of the Western Baltic Cod stock.
Find a description of her PhD project funded by the Deutsche Bundesstiftung Umwelt here.

indperform

Photo: Saskia Otto IHF

INDperform

Saskia Otto and a team of Master and PhD students just released a software tool - the R package ‚INDperform‘ - that helps validating the performance of ecological indicators and assessing the ecosystem status based on a suite of indicators. The package is build on a framework recently published by Saskia and co-authors (Otto et al. 2018) and offers functions to

  • identify temporal indicator changes,
  • model relationships to pressures while taking non-linear responses and temporal autocorrelation into account, and to
  • quantify the robustness of these models.

It can be installed from CRAN directly or from github as development version: https://github.com/saskiaotto/INDperform.

because

Photo: Floeter IFM

Who eats whom in the Baltic Sea ?

Saskia Otto has analysed the performance of 13 ecosystem indicators for the Baltic Sea health.

Read the Interview in the Hamburger Abendblatt.

3D Tensor

Photo: Romain Frelat IHF

Community ecology in 3D

A new method reveals the spatio-temporal dynamics of the North Sea fish community.

"Community ecology in 3D: Tensor decomposition reveals
spatio-temporal dynamics of large ecological communities"
PLoS ONE 12(11): e0188205.

owf

Photo: Jens Floeter IHF

Offshore Wind Farms

Offshore Wind Farms act like small mixers in the summer - stratified North Sea.

“Pelagic effects of offshore wind farm foundations in the stratified North Sea”.
Progress in Oceanography 156. (2017): S. 154-173.

Romain Frelat

Photo: UHH/CEN/L. Wolf

Form follows function

Romain Frelat has analysed the diversity of North Sea fish forms ...
...read the interview here !