Marla J. Koberstein
Master‘s thesis Expansion of the brown shrimp Crangon crangon L. onto juvenile plaice Pleuronectes platessa L. nursery habitat in the Westfjords of Iceland Marla J. Koberstein Advisor: Jόnas Páll Jόnasson University of Akureyri Faculty of Business and Science University Centre of the Westfjords Master of Resource Management: Coastal and Marine Management Ísafjörður, February 2013 Supervisory Committee Advisor: Name, title Reader: Name, title Program Director: Dagný Arnarsdóttir, MSc. Marla Koberstein Expansion of the brown shrimp Crangon crangon L. onto juvenile plaice Pleuronectes platessa L. nursery habitat in the Westfjords of Iceland 45 ECTS thesis submitted in partial fulfillment of a Master of Resource Management degree in Coastal and Marine Management at the University Centre of the Westfjords, Suðurgata 12, 400 Ísafjörður, Iceland Degree accredited by the University of Akureyri, Faculty of Business and Science, Borgir, 600 Akureyri, Iceland Copyright © 2013 Marla Koberstein All rights reserved Printing: Háskólaprent, Reykjavik, February 2013 Declaration I hereby confirm that I am the sole author of this thesis and it is a product of my own academic research. __________________________________________ Student‘s name Abstract Sandy-bottom coastal ecosystems provide integral nursery habitat for juvenile fishes, and threats to these regions compromise populations at this critical life stage. The threat of aquatic invasive species in particular can be difficult to detect, and climate change may facilitate the spread and establishment of new species. In 2003, the European brown shrimp Crangon crangon L. was discovered off the southwest coast of Iceland. This species is a concern for Iceland due to the combination of its dominance in coastal communities and level of predation on juvenile flatfish, namely plaice Pleuronectes platessa L., observed in its native range.
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