Project

Growth and feeding behaviour of invasive oyster drill in the limfjorden

Publisher

Supervisor

Location

North Jutland

The Japanese oyster drill, Ocinebrellus inornatus is a predatory gastropod feeding principally on oyster Crassostrea gigas. Since 2006-2010, the invasive Japanese oyster drill has been reported in the Limfjorden. It has been observed that the snail can predate on both invasive and native bivalve species. Little is known about the snail biology, feeding and reproduction strategy in DK. As it is a potential threat to the native oyster and mussel beds, the objectives of this project are

The two objectives of this project are: 1) to experimentally determine the food preference (different size) and predation pressure of the oyster drill given the choice of invasive and native bivalve species; 2) to study the snail population age structure using the statolith structure of snails hatched in the laboratory and collected in different areas of the Limfjorden in 2018.

The outputs of this project will provide new insights into the status of the oyster drill population and the potential impact on wild and invasive bivalve populations in the Limfjorden, as well as input for future sustainable ecosystem-based fisheries management.








In collaboration with

Henrik Glenner, Jørgen Lützen

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Contact

Company / Organization

DTU Aqua

Name

Camille Saurel

Position

Seniorforsker

Mail

csau@aqua.dtu.dk

Supervisor info

MSc in Aquatic Science and Technology

Supervisor

Camille Saurel

ECTS credits

1 - 35

Type

BSc project, MSc thesis, Special course

Technical University of Denmark

For almost two centuries DTU, Technical University of Denmark, has been dedicated to fulfilling the vision of H.C. Ørsted – the father of electromagnetism – who founded the university in 1829 to develop and create value using the natural sciences and the technical sciences to benefit society.


Today, DTU is ranked as one of the foremost technical universities in Europe, continues to set new records in the number of publications, and persistently increases and develops our partnerships with industry, and assignments accomplished by DTU’s public sector consultancy.

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