Expeditions

Sea Blogs

Blogs describing expeditions to the North Sea, the Baltic Sea and the Atlantic

More sea blogs in German on our German website

Solea, Cruise 854

Fishing gear trials for shrimp fishing in the North Sea, including underwater observations via video recordings in the Baltic Sea.

Tarajoq for Walther Herwig III, Cruise 490

Fish, plankton, climate change: an unusual research expedition begins off the coast of Greenland. For the first time, East and Southwest Greenland are coming into focus - with round-the-clock fishing operations. What the "Tarajoq" discovers in the process could be decisive for the future of fishing.

Walther Herwig III, Cuise 492.

The 492nd voyage of the Walther Herwig III is dedicated to investigating the effects of biological pollutants in the North Sea and Baltic Sea within the framework of national legal requirements and measurement programs and various research projects currently underway at the Thünen Institute. The aim is to analyze radioactive substances, heavy metals, and organic pollutants, as well as their effects on biological systems.

L'Atalante (IFREMER)

Thousands of barrels of nuclear waste lie on the Atlantic seabed — but where exactly? An international expedition involving the Thünen Institute of Fisheries Ecology is now trying to find out.

Tarajoq for Walther Herwig III, Cruise 488

Mackerel and horse mackerel egg surveys (MEGS)

Sonne, 285th cruise, Expedition to the Benguela Current

An international team of scientists is underway with the research vessel SONNE to study the fish-rich upwelling area of the Benguela Current on the south-western coast of Africa. A sea blog provides information about the cruise.

Kristin: Acoustic Survey Sprat

For the first time, the Thünen Institute is conducting its annual Baltic Sea sprat survey on a commercial fishing vessel. Find out why this is so and how the cruise is going in our sea blog.

Walther Herwig III, 443th cruise, Expedition in the North Sea: Winter inventory

January 25/26 to February 26, 2021, North Sea International Bottom Trawl Survey (IBTS), 1. Quarter

Walther Herwig III, 441th cruise, Expedition to the North and Baltic Seas

Das Forschungsschiff „Walther Herwig III“ bereist auf der letzten Fahrt dieses Jahres die Nord- und Ostsee. Ziel sind Untersuchungen zur Meeresumwelt und zu biologischen Schadstoffen. Ein Seetagebuch berichtet über Verlauf und wissenschaftliche Aktivitäten.

Walther Herwig III, 440th cruise

The Thünen Institute is currently investigating the demersal fish stocks in Greenland waters. A sea blog directly from the research vessel "Walther Herwig III" keeps you informed.

Dana 2019 – Year of the International Mackerel Egg Survey

Every three years spawning stock size of Northeast Atlantic mackerel is estimated by an immense European research campaign. In 2019 Germany participates with the research vessel "Dana". A sea blog keeps you up to date about the cruise.

Meteor, 153rd cruise, Expedition to the South Atlantic

An international team of scientists has investigated the fish-rich upwelling area of the Benguela Current on the research vessel "Meteor" off the south-western coast of Africa. A sea blog informs about the journey.

Walther Herwig III, 396th cruise, Survey of the Dogger Bank

What is the current status of the fish populations on the Dogger Bank? For the first time, an international scientific team on board the “Walther Herwig III” is studying the Natura 2000 Protection area in the central North Sea. Read the last part of the blog.