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Ecology and Evolution

D-Index
50
Citations
12134
World Ranking
3778
National Ranking
211

Overview

Wilhelm Hagen is affiliated with the University of Bremen in Germany. Their research spans key areas within environmental science and earth and planetary sciences, with a particular focus on oceanography and ecology.

The main fields of study for Wilhelm Hagen include:

  • Environmental Science
  • Earth and Planetary Sciences

Within these broader fields, they have contributed extensively to several subfields, such as:

  • Oceanography
  • Ecology
  • Global and Planetary Change
  • Aquatic Science
  • Molecular Biology

Their scholarly work covers a variety of topics, reflecting an emphasis on marine and coastal ecosystems and biogeochemical cycles. Key research topics include:

  • Marine and coastal ecosystems
  • Isotope Analysis in Ecology
  • Marine and fisheries research
  • Marine Biology and Ecology Research
  • Aquaculture Nutrition and Growth
  • Oceanographic and Atmospheric Processes
  • Marine Bivalve and Aquaculture Studies

Wilhelm Hagen has published multiple recent scientific papers in respected peer-reviewed journals. Selected works include:

  • Modeling the Impact of Macrozooplankton on Carbon Export Production in the Southern Ocean, 2021, Journal of Geophysical Research Oceans
  • Toward a Solution of the "Peruvian Puzzle": Pelagic Food-Web Structure and Trophic Interactions in the Northern Humboldt Current Upwelling System Off Peru, 2022, Frontiers in Marine Science
  • The Role of Zooplankton Grazing and Nutrient Recycling for Global Ocean Biogeochemistry and Phytoplankton Phenology, 2022, Journal of Geophysical Research Biogeosciences
  • Effects of a Submesoscale Oceanographic Filament on Zooplankton Dynamics in the Arctic Marginal Ice Zone, 2021, Frontiers in Marine Science
  • Assimilation and turnover rates of lipid compounds in dominant Antarctic copepods fed with 13C-enriched diatoms, 2020, Philosophical Transactions of the Royal Society B Biological Sciences

Hagen frequently collaborates with a range of co-authors, reflecting interdisciplinary and collaborative approaches. Frequent co-authors include:

  • Holger Auel
  • Maya Bode-Dalby
  • Anna Schukat
  • Sabrina Dorschner
  • Patricia Kaiser

Their research contributions have been published mainly in a set of journals that focus on marine and ecological sciences. Prominent publication venues are:

  • Frontiers in Marine Science
  • Marine Ecology Progress Series
  • Progress In Oceanography
  • Journal of Geophysical Research Oceans
  • Journal of Geophysical Research Biogeosciences

Best Publications

  • Fatty acid trophic markers in the pelagic marine environment.

    Johanne Dalsgaard;Michael A. St. John;Gerhard Kattner;Dörthe C. Müller-Navarra

  • Lipid storage in marine zooplankton

    Richard F. Lee;Wilhelm Hagen;Gerhard Kattner

  • Biomass and abundance

    Unknown

  • Lipids, trophic relationships, and biodiversity in Arctic and Antarctic krill

    Stig Falk-Petersen;Wilhelm Hagen;Gerhard Kattner;Andrew Clarke

  • Diet-induced changes in the fatty acid composition of Arctic herbivorous copepods: Experimental evidence of trophic markers

    Martin Graeve;Gerhard Kattner;Wilhelm Hagen

  • Lipid biomarkers indicate different ecological niches and trophic relationships of the Arctic hyperiid amphipods Themisto abyssorum and T. libellula

    Holger Auel;Miriam Harjes;Régine da Rocha;Dorothee Stübing

  • Seasonal adaptations and the role of lipids in oceanic zooplankton.

    Wilhelm Hagen;Holger Auel

  • The compositions of wax esters, triacylglycerols and phospholipids in Arctic and Antarctic copepods: evidence of energetic adaptations

    C. S. Albers;Gerhard Kattner;W. Hagen

  • Herbivorous or omnivorous? On the significance of lipid compositions as trophic markers in Antarctic copepods

    Martin Graeve;Wilhelm Hagen;Gerhard Kattner

  • Polar herbivorous copepods – different pathways in lipid biosynthesis

    Gerhard Kattner;W. Hagen

  • Lipid metabolism of the Antarctic krill Euphausia superba and its ecological implications

    W. Hagen;Gerhard Kattner;Anja Terbrüggen;E. S. Van Vleet

  • Seasonal lipid storage as overwintering strategy of Antarctic krill

    W. Hagen;E. S. van Vleet;Gerhard Kattner

  • The Northeast Water polynya, Greenland Sea

    Hans-Jürgen Hirche;W. Hagen;N. Mumm;Claudio Richter

  • Feeding and energy budgets of Antarctic krill Euphausia superba at the onset of winter—II. Juveniles and adults

    A. Atkinson;B. Meyer;D. Stuϋbing;W. Hagen

  • Body composition in aquatic organisms — A global data bank of relationships between mass, elemental composition and energy content

    Thomas Brey;Corinna Müller-Wiegmann;Zora M.C. Zittier;Wilhelm Hagen

  • Mesozooplankton community structure, abundance and biomass in the central Arctic Ocean

    H. Auel;W. Hagen

  • Zooplankton biomass in the ice-covered Weddell Sea, Antarctica

    E. Boysen-Ennen;W. Hagen;G. Hubold;Uwe Piatkowski

  • Lipids in marine copepods: latitudinal characteristics and perspective to global warming

    Gerhard Kattner;Wilhelm Hagen

  • Seasonal lipid dynamics in dominant Antarctic copepods: Energy for overwintering or reproduction?

    Wilhelm Hagen;Sigrid B. Schnack-Schiel

  • Ontogenetic and seasonal changes in lipid and fatty acid/alcohol compositions of the dominant Antarctic copepods Calanus propinquus, Calanoides acutus and Rhincalanus gigas

    Gerhard Kattner;Martin Graeve;W. Hagen

  • Life histories of the copepods Pseudocalanus minutus , P. acuspes (Calanoida) and Oithona similis (Cyclopoida) in the Arctic Kongsfjorden (Svalbard)

    Silke Lischka;Wilhelm Hagen

Frequent Co-Authors

Gerhard Kattner
Gerhard Kattner Alfred Wegener Institute for Polar and Marine Research
Martin Graeve
Martin Graeve Alfred Wegener Institute for Polar and Marine Research
Barbara Niehoff
Barbara Niehoff Alfred Wegener Institute for Polar and Marine Research
Ulf Karsten
Ulf Karsten University of Rostock
Ulrich Bathmann
Ulrich Bathmann Alfred Wegener Institute for Polar and Marine Research
Stig Falk-Petersen
Stig Falk-Petersen University of Tromsø - The Arctic University of Norway
John R. Sargent
John R. Sargent University of Stirling
Christian Wiencke
Christian Wiencke Alfred Wegener Institute for Polar and Marine Research
Christopher W. Clark
Christopher W. Clark Cornell University
Frank Dehairs
Frank Dehairs Vrije Universiteit Brussel

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