The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Wilhelm Hagen sits on this spectrum.
This scientist: 240 publications — 83rd percentile
83% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 531 publications or more.
The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Wilhelm Hagen sits on this spectrum.
This scientist: 50 D-Index — 56th percentile
56% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 121 D-Index or more.
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:
Within these broader fields, they have contributed extensively to several subfields, such as:
Their scholarly work covers a variety of topics, reflecting an emphasis on marine and coastal ecosystems and biogeochemical cycles. Key research topics include:
Wilhelm Hagen has published multiple recent scientific papers in respected peer-reviewed journals. Selected works include:
Hagen frequently collaborates with a range of co-authors, reflecting interdisciplinary and collaborative approaches. Frequent co-authors include:
Their research contributions have been published mainly in a set of journals that focus on marine and ecological sciences. Prominent publication venues are:
Johanne Dalsgaard;Michael A. St. John;Gerhard Kattner;Dörthe C. Müller-Navarra
Richard F. Lee;Wilhelm Hagen;Gerhard Kattner
Unknown
Stig Falk-Petersen;Wilhelm Hagen;Gerhard Kattner;Andrew Clarke
Martin Graeve;Gerhard Kattner;Wilhelm Hagen
Holger Auel;Miriam Harjes;Régine da Rocha;Dorothee Stübing
Wilhelm Hagen;Holger Auel
C. S. Albers;Gerhard Kattner;W. Hagen
Martin Graeve;Wilhelm Hagen;Gerhard Kattner
Gerhard Kattner;W. Hagen
W. Hagen;Gerhard Kattner;Anja Terbrüggen;E. S. Van Vleet
W. Hagen;E. S. van Vleet;Gerhard Kattner
Hans-Jürgen Hirche;W. Hagen;N. Mumm;Claudio Richter
A. Atkinson;B. Meyer;D. Stuϋbing;W. Hagen
Thomas Brey;Corinna Müller-Wiegmann;Zora M.C. Zittier;Wilhelm Hagen
H. Auel;W. Hagen
E. Boysen-Ennen;W. Hagen;G. Hubold;Uwe Piatkowski
Gerhard Kattner;Wilhelm Hagen
Wilhelm Hagen;Sigrid B. Schnack-Schiel
Gerhard Kattner;Martin Graeve;W. Hagen
Silke Lischka;Wilhelm Hagen
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