NDLI: Arctic charr exploit restricted urbanized coastal areas during marine migration: Could they be in harm’s way?

Content Provider	Springer Nature Link
Author	Jensen, J. L. A. Christensen, G. N. Hawley, K. H. Rosten, C. M. Rikardsen, A. H.
Copyright Year	2016
Abstract	Human and industrial activities in Arctic areas are increasing, as are global water temperatures. Combined, these factors can result in altered conditions for species living in these, until recently, pristine areas. Of the anadromous salmonids, Arctic charr may be particularly vulnerable to these changes, as this species is adapted to cold waters and exploits restricted areas at sea. In order to test to what extent Arctic charr utilized coastal areas with anthropogenic interference versus more pristine waters, the marine area use of a population in northern Norway was documented over three consecutive years by use of acoustic telemetry. Their depth utilization, temperature preference and survival was also recorded. The tagged fish spent a minimum of half of their marine residency time within 5 km of the river outlet proximate to urbanized coastal areas. The fish also resided within a narrow temperature and depth range and spent a very limited period at sea. The marine habitat available to Arctic charr should be carefully considered in coastal development and management plans, as human activities and coastal water temperatures increase in the Arctic regions. The current study illustrates the importance of species and population-specific knowledge during development of management strategies for anadromous salmonids.
Starting Page	335
Ending Page	345
Page Count	11
File Format	PDF
ISSN	00188158
Journal	Hydrobiologia
Volume Number	783
Issue Number	1
e-ISSN	15735117
Language	English
Publisher	Springer International Publishing
Publisher Date	2016-05-09
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Climate change Management Migratory behaviour Pollution Survival Temperature Freshwater & Marine Ecology Ecology Zoology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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