FS VICTOR HENSEN

Dr. Alshuth participated in the longterm fisheries research project Reproduction Biology of the sprat, Sprattus sprattus, in the North Sea funded by the DFG (Deutsche Forschungs Gemeinschaft) as part of the International Recruitment Project - IRP during 1985-1988). As chief scientist, fisheries ecologist and biological oceanographer, Dr. Alshuth’s oceanographic research onboard the FS VICTOR HENSEN of the Alfred-Wegener-Institute for Polar and Marine Research, Bremerhaven (Germany) included marine ichthyological studies on fish reproduction and recruitment using bottom, pelagic trawls and RMT for adult and juvenile fish collections as well as gear evaluation for sampling. BONGO and ring plankton nets were used for ichthyoplankton sampling, and physical probes for biological oceanographic monitoring, and various sampling devices for water chemistry analysis. Other research onboard the VICTOR HENSEN included pelagic fish community and population density studies, as well as fish diseases and parasites. Benthic sediment samples were taken with Ekman and Van Veen grab samplers to study geological features of the ocean floor associated with infaunal densities, and epifauna diversity analyzed associated with fish diet studies. Chemical oceanographic parameters were analyzed using CTD probes. Her research in the laboratory emphasized on fish physiology, larval and juvenile culture and nutrition, otolith increment studies and juvenile growth and aging. Dr. Alshuth was Chief scientist on 16 ocean cruises onboard the RV VICTOR HENSEN, leading a research team of ten scientists with specific oceanographic research goals and projects, and directing operations and research. Research included statistical analysis and preparation of reports, and publications including:  

Note: Peer-reviewed publications are listed in associated marine research laboratories section.


Alshuth, S. 1993.  North Sea fishes - magnificent in shape and color. (German – Text and Photography). Sylt Magazin 1993, 64-66.


Alshuth, S. 1990.  As chief scientist aboard the RV VICTOR HENSEN (German – Text and Photography).  Schiffahrt international 41 (12), 505-507.


Alshuth, S. 1990.  Probe on deck.  Catching, fishing, investigating on RV VICTOR HENSEN.  From the logbook of a chief scientist. (German – Text and Photography). Köhlers Flottenkalender 1991, 48-60.


Click on any picture below to start slide show.

NORTH SEA EXPEDITIONS

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FS VICTOR HENSEN Oil painting by S. Alshuth
FS VICTOR HENSEN
Oil painting by S. Alshuth
Fisheries research project expedition chart. Drawing by S. Alshuth
Fisheries research project expedition chart. Drawing by S. Alshuth
Dr. Alshuth and her oceanographic research team.
Dr. Alshuth and her oceanographic research team.
Rough journey - FS VICTOR HENSEN
course to Central North Sea’s Doggerbank
Rough journey - FS VICTOR HENSEN
course to Central North Sea’s
Doggerbank
BONGO net used for ichthyoplankton collection
BONGO net used for ichthyoplankton
collection
Using inclinometer to collect ichthyoplankton from surface waters
Using inclinometer to collect ichthyoplankton from surface waters
Chief Scientist Dr. Alshuth aboard FS VICTOR HENSEN
Chief Scientist Dr. Alshuth aboard
FS VICTOR HENSEN
Midwater trawl used to collect adult clupeoid fish
Midwater trawl used to collect adult clupeoid fish
Dr. Alshuth studying 
fish diseases and parasites
Dr. Alshuth studying 
fish diseases and parasites
Sorting adult fish from midwater trawl collection
Sorting adult fish from midwater trawl collection
Midwater trawl
Midwater trawl
Chief Scientist Dr. Alshuth aboard FS VICTOR HENSEN
Chief Scientist Dr. Alshuth aboard
FS VICTOR HENSEN
RMT - Rectangular Midwater Trawl
RMT - Rectangular Midwater Trawl
RMT - opening of the cod end
Juvenile fish collection
RMT - opening of the cod end
Juvenile fish collection
Sorting juvenile fish from RMT midnight collection
Sorting juvenile fish from RMT
midnight collection
Dr. Alshuth getting ready for the night shift: North Sea Sprat population monitoring program
Dr. Alshuth getting ready for the night shift: North Sea Sprat population monitoring program
Bottom trawl used to collect adult fish
Bottom trawl used to collect adult fish
Dr. Alshuth studying parasites and diseases of Atlantic cod
Dr. Alshuth studying parasites and diseases of Atlantic cod
Sorting juvenile and adult clupeoid fish for age and growth recruitment studies
Sorting juvenile and adult clupeoid fish for age and growth recruitment studies
Marine Mammal conservation research program. Harbor Seal calf (Phoca vitulina) onboard RV VICTOR HENSEN
Marine Mammal conservation research program. Harbor Seal calf (Phoca vitulina) onboard
RV VICTOR HENSEN
End of the expedition: FS VICTOR HENSEN on route to Alfred-Wegener Institute for Marine Sciences, Bremerhaven
End of the expedition: FS VICTOR HENSEN on route to Alfred-Wegener Institute for Marine Sciences, Bremerhaven

NORTH SEA EXPEDITIONS

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