A5062810623- Marine and fisheries research
- Isotope Analysis in Ecology
- Food Industry and Aquatic Biology
- Marine and environmental studies
- Marine Bivalve and Aquaculture Studies
- Arctic and Antarctic ice dynamics
- Arctic and Russian Policy Studies
- Fish Ecology and Management Studies
- Coastal and Marine Management
- Indigenous Studies and Ecology
- Marine Biology and Ecology Research
- Marine animal studies overview
- Marine and coastal ecosystems
- Sustainability and Ecological Systems Analysis
- Geological Studies and Exploration
- Marine and coastal plant biology
- Genetic diversity and population structure
- Geology and Paleoclimatology Research
- Atmospheric and Environmental Gas Dynamics
- Ocean Acidification Effects and Responses
- Microbial Community Ecology and Physiology
- Offshore Engineering and Technologies
- Methane Hydrates and Related Phenomena
Norwegian Institute of Marine Research
2013-2024
The FRAM Centre
2018-2021
UiT The Arctic University of Norway
2005-2007
Climate-driven poleward shifts, leading to changes in species composition and relative abundances, have been recently documented the Arctic. Among fastest moving are boreal generalist fish which expected affect arctic marine food web structure ecosystem functioning substantially. Here, we address structural at level induced by shifts via topological network analysis of highly resolved webs Barents Sea. We detected considerable differences properties link configuration between webs, latter...
Significance Arctic marine ecosystems are experiencing a rapid biogeographic change following the highest warming rates observed around globe in recent decades. Currently, there no studies of how shifts species composition affecting ecosystem functioning at scale. We address this issue via functional biogeography and show that increasing temperatures reduced ice coverage associated with borealization fish communities. find large body-sized piscivorous semipelagic boreal replacing...
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 608:1-12 (2019) - DOI: https://doi.org/10.3354/meps12803 FEATURE ARTICLE Impact of multiple stressors on sea bed fauna in a warming Arctic Lis L. Jørgensen1,*, Raul Primicerio2, Randi B. Ingvaldsen1, Maria Fossheim1, Natalia Strelkova3, Trude H. Thangstad1, Igor Manushin3, Denis Zakharov3 1Institute Research,...
Direct and indirect effects of global warming are expected to be pronounced fast in the Arctic, impacting terrestrial, freshwater marine ecosystems. The Barents Sea is a high latitude shelf boundary area between arctic boreal faunas. These faunas likely respond differently changes climate. In addition, highly impacted by fisheries other human activities. This strong presence places great demands on scientific investigation advisory capacity. order identify basic community structures against...
Abstract Impacts of climate change on ocean productivity sustaining world fisheries are predominantly negative but vary greatly among regions. We assessed how 39 resources—ranging from data‐poor to data‐rich stocks—in the North East Atlantic most likely affected under intermediate emission scenario RCP4.5 towards 2050. This region is one productive waters in subjected pronounced change, especially northernmost part. In this impact assessment, we applied a hybrid solution combining expert...
As temperatures rise, motile species start to redistribute more suitable areas, potentially affecting the persistence of several resident and altering biodiversity ecosystem functions. In Barents Sea, a hotspot for global warming, marine fish from boreal regions have been increasingly found in exclusive Arctic region. Here, we show that this shift distribution is increasing richness evenness, even so, functional diversity Arctic. Higher often interpreted as being positive health target...
The warming trend of the Arctic is punctuated by several record-breaking warm years with very low sea ice concentrations. nature and reversibility marine ecosystem responses to these multiple extreme climatic events (ECEs) are poorly understood. Here, we investigate ecological signatures three successive bottom temperature maxima concomitant surface ECEs between 2004 2017 in Barents Sea across spatial organizational scales. We observed community-level redistributions fish concurrent at scale...
Abstract The reproductive success of marine ectotherms is especially vulnerable in warming oceans due to alterations adult physiology, as well embryonic and larval survival prospects. These vital responses may, however, differ considerably across the species' geographical distribution. Here we investigated life history, focusing on ecology, three spatially distant populations (stocks) Atlantic cod ( Gadus morhua , Gadidae) (50–80° N), Irish/Celtic Seas‐English Channel Complex, North Barents...
Biogeographical patterns have an ecological basis, but few empirical studies possess the necessary scale and resolution relevant for investigation. The Barents Sea shelf provides ideal study area, as it is a transition area between Atlantic Arctic regions, sampled by comprehensive survey of all major functional groups. We studied spatial variation in species composition demersal fish benthos to elucidate how communities co-varied relation environmental variables. applied co-correspondence...
Abstract Fish species inhabiting the Barents Sea display great seasonal and inter-annual variation in abundance distribution. This study describes assemblages distributions of fish southwestern central part Sea, which includes polar front. The area has an unpredictable environment due to variable inflow Atlantic water composition differs between Arctic masses. Assemblages can be identified as distinct groups corresponding different environmental conditions. In period 1997–1999, 57 shrimp...
When facing environmental change and intensified anthropogenic impact on marine ecosystems, extensive knowledge of how these systems are functioning is required in order to manage them properly. However, high-latitude where climate expected have substantial ecological impact, the ecosystem functions biological species received little attention, partly due limited Arctic species. Functional traits address member species, allowing functionality communities be characterised degree functional...
Change in oceanographic conditions causes structural alterations marine fish communities, but this effect may go undetected as most monitoring programs until recently mainly have focused on oceanography and commercial species rather than whole ecosystems. In paper, the objective is to describe spatial temporal changes Barents Sea community period 1992–2004 while taking into consideration observed abundance biodiversity patterns for all 82 species. We found that structure of was determined by...
<p>The Atlantic gateway to the Arctic Ocean is influenced by vigorous inflows of Water. Particularly since 2000, high-latitude impacts these have strengthened due climate change driving so-called ‘Atlantification’ - a transition waters state more closely resembling that Atlantic. In this review, we discuss physical and ecological manifestations Atlantification in hotspot region reaching from southern Barents Sea Eurasian Basin. driven anomalous Water...
Across marine ecosystems, species are redistributing as a response to increased sea temperatures. In the Arctic, rapid warming causes poleward shifts of boreal species. Which and drivers their movements can be related life history traits. Here, we aimed characterize analyze spatio-temporal changes in strategy (LHS) composition fish communities Barents Sea (2004-2017). We performed an archetype analysis species’ LHS based on traits it equilibrium-periodic-opportunistic framework. Fish...
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 300:147-158 (2005) - doi:10.3354/meps300147 Interactions between biological and environmental structures along coast of northern Norway Maria Fossheim1,*, Meng Zhou2, Kurt S. Tande1, Ole-Petter Pedersen1, Yiwu Zhu2, Are Edvardsen1 1Norwegian College Fishery Science, University Tromsø, 9037 Norway2EEOS...
Climate change is rapidly modifying biodiversity across the Arctic, driving a shift from Arctic to more boreal ecosystem characteristics. This phenomenon, known as borealization, mainly described for certain functional groups along sub-Arctic inflow shelves (Barents and Chukchi Seas). In this review, we evaluate spatial extent of such alterations well their effects on ecosystem-level processes risks. Along shelves, borealization driven by long-term strengthened increasingly warm waters south...
Capelin larvae (Mallotus villosus) and mesozooplankton were collected in May 2001 the southern part of Barents Sea. During period hatching first feeding, capelin experience high mortality rates. In order to understand underlying mechanisms influencing larval survival, we monitored a selected site for 10 days using variety different sampling approaches. Hydrological parameters conductivity–temperature–depth–fluorescence (CTDF) recorded zooplankton samples obtained simultaneously MOCNESS at...
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsTheme Sections 364:47-56 (2008) - DOI: https://doi.org/10.3354/meps07483 Habitat choice by marine zooplankton in a high-latitude ecosystem Maria Fossheim1,2,*, Raul Primicerio1 1Norwegian College of Fishery Science, University Tromsø, 9037 Norway 2Present address: Institute Research PO Box 6404, 9294 *Email:...
Abstract Results from investigations of the Barents Sea environment and biological resources were presented at a Russian–Norwegian Symposium in Murmansk, Russia on 5–7 June 2018. The thematic focus symposium was “Influence ecosystem changes harvestable high latitudes”. Contributions to organized under five theme sessions: oceanography, plankton, benthos, fishes, top predators. From rich spectrum contributions, articles appear this supplemental issue.