Fabian Zimmermann

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Forsker
Telefon: 47771829

My research focuses on the study of population dynamics in marine fish and their assessment to provide fisheries advice. I am particularly interested in the ecological and environmental processes that drive changes in population size and structure and the consequences of these dynamics for stock assessment estimates and fisheries management. In my current projects, I work on a better understanding and predictability of recruitment variability, explore the impact of unaccounted fishing mortality and variation in natural mortality on stock estimates and uncertainty, and investigate optimal harvest regulations for stocks with cyclical dynamics. As researcher in the benthic resources unit at IMR I’m involved in the assessment of Northern shrimp in the Barents Sea and along the Norwegian coast. 

Curriculum Vitae

Academic degrees

2011

PhD in Biology at the Department of Biology, University of Bergen (UiB), Norway
Thesis: “The value of size – bioeconomic consequences of size-dependent pricing and fishing-induced evolution”.

2007

MSc in Biology at the Zoological Institute, University of Bern, Switzerland

Thesis: “Impact of alternative splicing on recent human genome evolution”.

 

 

Employment

2019 – Present

Researcher (1109) in the Benthic Resources Unit at the IMR, Norway

2015 – 2019

Postdoctoral position in the Pelagic Fish Unit at the IMR, Norway.

2017 – 2018

Research associate at the University of California Santa Cruz (UCSC), USA.

2013 – 2015

Postdoctoral position in the Evolutionary ecology group at UiB, Norway.

2012 – 2013

Postdoctoral position in the Ecology and Models applied to Fisheries (EMH) unit at IFREMER Nantes, France.

2011 – 2011

Researcher position at the UiB, Norway.

2008 – 2011

Research fellow / PhD student at the UiB, Norway.

 

 

Publikasjoner

Faglige foredrag

2017

Drivers of recruitment dynamics in northeast Atlantic pelagic fish stocks

Fabian Zimmermann, Daniel Ricard, Mikko Petteri Heino, Katja Enberg
2017

Taking animal breeding into the wild: the complex interplay of evolutionary dynamics, size selectivity and economics

Fabian Zimmermann, Christian Jørgensen
2016

Can less be more? Effects of reduced frequency of surveys and stock assessments

Fabian Zimmermann, Katja Enberg

Vitenskapelige artikler (NVI)

2019

Improved management is the main driver behind recovery of Northeast Atlantic fish stocks

Fabian Zimmermann, Karl-Michael Werner
Frontiers in Ecology and the Environment 17 p. 93-99
2018

Density regulation in Northeast Atlantic fish populations: Density dependence is stronger in recruitment than in somatic growth

Fabian Zimmermann, Daniel Ricard, Mikko Petteri Heino
Journal of Animal Ecology 87 p. 672-681
2018

Density regulation in Northeast Atlantic fish populations: density dependence is stronger in recruitment than in somatic growth

Fabian Zimmermann, Daniel Ricard, Mikko Heino
Journal of Animal Ecology
2017

Exploring conflicting management objectives in rebuilding of multi-stock fisheries

Fabian Zimmermann, Satoshi Yamazaki
Ocean and Coastal Management 138 p. 124-137
2017

Taking animal breeding into the wild: regulation of fishing gear can make fish stocks evolve higher productivity

Fabian Zimmermann, Christian Jørgensen
Marine Ecology Progress Series 563 p. 185-195
2016

Are negative intra-specific interactions important for recruitment dynamics? A case study of Atlantic fish stocks

Daniel Ricard, Fabian Zimmermann, Mikko Petteri Heino
Marine Ecology Progress Series 547 p. 211-217
2016

Can less be more? Effects of reduced frequency of surveys and stock assessments

Fabian Zimmermann, Katja Enberg
ICES Journal of Marine Science 74 p. 56-68
2015

Bioeconomic consequences of fishing-induced evolution: a model predicts limited impact on net present value

Fabian Zimmermann, Christian Jørgensen
Canadian Journal of Fisheries and Aquatic Sciences 72 p. 612-624,
2013

Is size-dependent pricing prevalent in fisheries? The case of Norwegian demersal and pelagic fisheries

Fabian Zimmermann, Mikko Petteri Heino
ICES Journal of Marine Science 70 p. 1389-1395
2011

Does size matter? A bioeconomic perspective on optimal harvesting when price is size-dependent

Fabian Zimmermann, Mikko Petteri Heino, Stein Ivar Steinshamn
Canadian Journal of Fisheries and Aquatic Sciences 68 p. 1651-1659
2011

Does size matter? A bioeconomic perspective on optimal harvesting when price is size-dependent

Fabian Zimmermann, Mikko Petteri Heino, Stein Ivar Steinshamn
Canadian Journal of Fisheries and Aquatic Sciences
2011

Optimal harvest feedback rule accounting for the fishing-up effect and size-dependent pricing

Fabian Zimmermann, Stein Ivar Steinshamn, Mikko Petteri Heino
Natural Resource Modeling 24 p. 365-382

Rapporter og avhandlinger

2011

The value of size – bioeconomic consequences of size-dependent pricing and fishing-induced evolution

Zimmermann, Fabian

Poster

2017

Recruitment dynamics in northeast Atlantic fish stocks: synchrony and shared patterns

Fabian Zimmermann, Marion Claireaux, Katja Enberg
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