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Mytilus species in Greenland – climate related distribution and implications for environmental monitoring

General

Organisation
Project start
15.08.2016
Project end
23.08.2016
Type of project
Research
Project theme
Marine ecosystems
Project topic
Climate research
Contaminants
Environmental science

Fieldwork / Study

Fieldwork country
Greenland (DK)
Fieldwork region
Greenland, Mid-West
Fieldwork location

Geolocation is 71.12967007517, -51.286926269531

Fieldwork start
15.08.2016
Fieldwork end
23.08.2016

Project details

24.09.2018
Science / project plan
Project discription: Mytilus species in Greenland – climate related distribution and implications for environmental monitoring

New studies have shown that Maarmorilik fjord is inhabited by two species of the blue mussel, Mytilus edulis and M. trossulus. The fjord is impacted by contamination from the former lead/zinc mine and input of glacier freshwater. Previously it was assumed that the Greenland populations only consisted of M. edulis and thus all our previous monitoring and research have not taken into consideration that results reflected samples with mixed species. Pilot studies as well as international literature suggest differences in preference to climate factors as well as response to contamination between the two species. In Greenland, our study showed that M. edulis dominates in south and M. trossulus in north.

We aim to study the species sensitivities: I) what climate factors determine the distribution and occurrence of Mytilus spp?; II) how does heavy metal contamination determine the occurrence of Mytilus spp?; III) what implication does it have if an environmental sample consist of one or the other species or a mixture?

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