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Conclusion about state of the ecosystem

BarentsPortal

The Joint Norwegian-Russian Environmental Status Report for the Barents Sea

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Home The state Conclusion about the state now and in the future

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Conclusion about state of the ecosystem

Conclusions about state of the ecosystem (introduction)


The aim of this subchapter is to summarise key features of the state of the Barents Sea ecosystem and discuss what aspects of the ecosystem are likely to be influenced by anthropogenic impacts. A discussion is also undertaken regarding possible developments of the ecosystem in the future. The chapter takes the ecosystem perspective, and will consequently focus on ecosystem status, function and processes. The anthropogenic driver that currently has the largest documented impact on the functioning of the Barents Sea ecosystem is harvesting.

Last Updated ( Wednesday, 03 February 2010 12:11 )

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Effects of climate change

Studies of how natural decadal and multi-decadal climatic fluctuations have affected marine ecosystems (e.g. Ottersen and Stenseth, 2001; Titov, 2001; Boitsov and Orlova, 2004; Titov and Ozhigin, 2005; Drinkwater, 2006), have provided insight into what can be expected given the suggested continued warming of the Barents Sea (Ellingsen et al., 2008). Historically, an increase in temperature of only...

Last Updated ( Wednesday, 03 February 2010 12:15 )

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Interactions and prospects

The combined effects of climate change and fishing are complicated by complex trophic interactions (see e.g. Hjermann et al. 2007). However, based on the present situation, known trophic interactions and ecosystem effects of fishing and climate change, some possible scenarios can be outlined; these are discussed below. Although a continued warming is likely in the longer term, short term cooling m...

Last Updated ( Friday, 04 December 2009 12:34 )

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Status Report. The authors

Puffins in the Barents Sea. Photo NP 

More than 100 experts from a total of 9 Russian and 20 Norwegian institutions have participated in the preparation of the report, and the work has been organized in 13 expert groups. The work has been led by Sevmorgeo and PINRO on Russian side and on Norwegian side by the Institute of Marine Research and the Norwegian Polar Institute..

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The Russian - Norwegian cooperation

Waving kelp at the Norwegian coast. Photo IMR

BarentsPortal is a project developed under the Joint Russian - Norwegian Commission on Environmental Cooperation. The joint environmental report is a co-operation project between the Joint Russian - Norwegian Commission on Environmental Cooperation and the Joint Russian-Norwegian Fisheries Commission

Read about Joint Russian - Norwegian Commission on Environmental Cooperation (unfortunately only in Norwegian - please use web based translation)

Read about the Joint Russian-Norwegian Fisheries Commission

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