Antti P. Eloranta
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View article: Invasive Eurasian Minnow Alters the Trophic Niche and Growth of Brown Trout in High‐Latitude Lakes
Invasive Eurasian Minnow Alters the Trophic Niche and Growth of Brown Trout in High‐Latitude Lakes Open
Invasive species pose a major threat to aquatic ecosystems, particularly in high‐latitude lakes which are characterised by low biodiversity. In northern Europe, the Eurasian minnow ( Phoxinus phoxinus ) has colonised lakes historically dom…
View article: The role of land use in terrestrial support of boreal lake food webs
The role of land use in terrestrial support of boreal lake food webs Open
There is growing awareness of the importance of cross-boundary energy and nutrient transfers between adjacent ecosystems. Lake ecosystems receive inputs of terrestrial organic matter that microbes can make available to higher level consume…
View article: Long-Term Changes in Fish Community Composition of a Coregonid Dominated Oligotrophic Lake
Long-Term Changes in Fish Community Composition of a Coregonid Dominated Oligotrophic Lake Open
Cold-water lakes in high-latitude regions are experiencing rapid changes in community structure and functioning associated with local and global stressors (e.g., climate change, hydropower and invasive species). However, the long-term ecol…
View article: Differences in trophic niches and life-history traits between brook trout and brown trout in alpine lake food webs
Differences in trophic niches and life-history traits between brook trout and brown trout in alpine lake food webs Open
Trophic ecology of lacustrine salmonid populations is well-documented in North America and northern Europe, highlighting their role in aquatic ecosystems. However, there is a notable gap in comparative studies on the trophic niches and lif…
View article: Environmental drivers of food webs in charr and trout‐dominated cold‐water lakes
Environmental drivers of food webs in charr and trout‐dominated cold‐water lakes Open
Cold‐water lakes situated in high latitudes and altitudes have pivotal socio‐ecological importance both globally and locally. However, they are increasingly threatened by multiple anthropogenic stressors, such as climate change, hydropower…
View article: Pelagic niche shift by fishes following restorations of a eutrophic lake
Pelagic niche shift by fishes following restorations of a eutrophic lake Open
View article: Generalist invasion in a complex lake food web
Generalist invasion in a complex lake food web Open
Invasive species constitute a threat not only to native populations but also to the structure and functioning of entire food webs. Despite being considered as a global problem, only a small number of studies have quantitatively predicted t…
View article: Ethanol preservation effects on stable carbon, nitrogen and hydrogen isotopes in the freshwater pearl mussel
Ethanol preservation effects on stable carbon, nitrogen and hydrogen isotopes in the freshwater pearl mussel Open
View article: Effects of temporal abiotic drivers on the dynamics of an allometric trophic network model
Effects of temporal abiotic drivers on the dynamics of an allometric trophic network model Open
Current ecological research and ecosystem management call for improved understanding of the abiotic drivers of community dynamics, including temperature effects on species interactions and biomass accumulation. Allometric trophic network (…
View article: Abiotic forcing in allometric trophic network models
Abiotic forcing in allometric trophic network models Open
Current ecological research and ecosystem management call for improved understanding of the abiotic drivers of community dynamics, including temperature effects on species interactions and biomass accumulation. Allometric trophic network (…
View article: Impacts of piscicide-induced fish removal on resource use and trophic diversity of lake invertebrates
Impacts of piscicide-induced fish removal on resource use and trophic diversity of lake invertebrates Open
View article: Species interactions, environmental gradients and body size shape population niche width
Species interactions, environmental gradients and body size shape population niche width Open
Competition for shared resources is commonly assumed to restrict population‐level niche width of coexisting species. However, the identity and abundance of coexisting species, the prevailing environmental conditions, and the individual bod…
View article: Contrasting structural complexity differentiate hunting strategy in an ambush apex predator
Contrasting structural complexity differentiate hunting strategy in an ambush apex predator Open
View article: Contrasting structural complexity differentiate hunting strategy in an ambush apex predator
Contrasting structural complexity differentiate hunting strategy in an ambush apex predator Open
Structural complexity is known to influence prey behaviour, mortality and population structure, but the effects on predators has received less attention. We tested whether contrasting structural complexity in two newly colonised lakes (low…
View article: Impacts of Piscicide-Induced Fish Removal on Resource Use and Trophic Diversity of Lake Invertebrates
Impacts of Piscicide-Induced Fish Removal on Resource Use and Trophic Diversity of Lake Invertebrates Open
View article: Fiskesamfunnet i Savalen, Alvdal og Tynset kommuner. Betydningen av reguleringsinngrep, endrede beskatningsregler og avbøtende tiltak
Fiskesamfunnet i Savalen, Alvdal og Tynset kommuner. Betydningen av reguleringsinngrep, endrede beskatningsregler og avbøtende tiltak Open
Johnsen, S.I., Wærvågen, S.B., Eloranta, A., Linløkken, A., Olstad, K. & Dokk, J.G. 2021. Fiskesamfunnet i Savalen, Alvdal og Tynset kommuner - Betydningen av reguleringsinngrep, endrede beskatningsregler og avbøtende tiltak. NINA Rapport …
View article: Evidence of energy and nutrient transfer from invasive pink salmon (<i>Oncorhynchus gorbuscha</i>) spawners to juvenile Atlantic salmon (<i>Salmo salar</i>) and brown trout (<i>Salmo trutta</i>) in northern Norway
Evidence of energy and nutrient transfer from invasive pink salmon (<i>Oncorhynchus gorbuscha</i>) spawners to juvenile Atlantic salmon (<i>Salmo salar</i>) and brown trout (<i>Salmo trutta</i>) in northern Norway Open
Recent large influxes of non‐native Pacific pink salmon ( Oncorhynchus gorbuscha ) to North European rivers have raised concern over their potential negative impacts on native salmonids and recipient ecosystems. The eggs and carcasses of s…
View article: Impacts of reduced Lepidurus arcticus availability on brown trout life history traits in a mountain reservoir
Impacts of reduced Lepidurus arcticus availability on brown trout life history traits in a mountain reservoir Open
Lepidurus arcticus (the Arctic tadpole shrimp) is a vulnerable keystone species in Arctic and alpine water bodies where its occurrence and population size may influence the viability and life history traits of resident salmonids. Using dat…
View article: Mapping natural and artificial migration hindrances for fish using LiDAR remote sensing
Mapping natural and artificial migration hindrances for fish using LiDAR remote sensing Open
Hedger, R.D., Blumentrath, S., Bergan, M.A. & Eloranta, A.P. 2020. Mapping natural and artificial migration hindrances for fish using LiDAR remote sensing. NINA Report 1833. Norwegian Institute for Nature Research. \nWe developed a new met…
View article: Overvåking av fisk i store innsjøer – FIST 2018
Overvåking av fisk i store innsjøer – FIST 2018 Open
Gjelland, K.Ø., Bækkelie, K.A., Brabrand, Å., Kristoffersen, R., Svenning, M., Eloranta, A., Pettersen, O., Saksgård, R. Solberg, I., & Sandlund, O.T. 2020. Overvåking av fisk i store innsjøer – FIST 2018. NINA Rapport 1749. Norsk institut…
View article: Introduction of Mysis relicta (Mysida) reduces niche segregation between deep-water Arctic charr morphs
Introduction of Mysis relicta (Mysida) reduces niche segregation between deep-water Arctic charr morphs Open
View article: From clear lakes to murky waters – tracing the functional response of high‐latitude lake communities to concurrent ‘greening’ and ‘browning’
From clear lakes to murky waters – tracing the functional response of high‐latitude lake communities to concurrent ‘greening’ and ‘browning’ Open
Climate change and the intensification of land use practices are causing widespread eutrophication of subarctic lakes. The implications of this rapid change for lake ecosystem function remain poorly understood. To assess how freshwater com…
View article: Fiskesamfunnet i Aursunden, Røros kommune. Effekter av fem år med tynningsfiske etter sik
Fiskesamfunnet i Aursunden, Røros kommune. Effekter av fem år med tynningsfiske etter sik Open
Johnsen. S.I., Sandlund, O.T., Eloranta, A., Gjelland, K.Ø., Bærum, K.M., Dokk, J.G. & Bækkelie, K.A.E. 2019. Fiskesamfunnet i Aursunden, Røros kommune - Effekter av fem år med tynningsfiske etter sik. NINA Rapport 1517. Norsk institutt fo…
View article: Restoration potential of old dams in Norway. A pilot study of occurrence, characteristics and restoration po-tential in watercourses with anadromous and resident fish stocks.
Restoration potential of old dams in Norway. A pilot study of occurrence, characteristics and restoration po-tential in watercourses with anadromous and resident fish stocks. Open
Eloranta, A., Thomassen, G., Bergan, M.A., Andersen, O. & Gregersen, F. 2019. Restoration potential of old dams in Norway. A pilot study of occurrence, characteristics and restoration potential in watercourses with anadromous and resident …
View article: Trophic ecology of piscivorous Arctic charr (Salvelinus alpinus (L.)) in subarctic lakes with contrasting food-web structures
Trophic ecology of piscivorous Arctic charr (Salvelinus alpinus (L.)) in subarctic lakes with contrasting food-web structures Open
View article: Roadmap for large-scale balancing and energy storage from Norwegian hydropower : opportunities, challanges and needs until 2050
Roadmap for large-scale balancing and energy storage from Norwegian hydropower : opportunities, challanges and needs until 2050 Open
View article: Stable isotopes and gut contents indicate differential resource use by coexisting asp (<i>Leuciscus aspius</i>) and pikeperch (<i>Sander lucioperca</i>)
Stable isotopes and gut contents indicate differential resource use by coexisting asp (<i>Leuciscus aspius</i>) and pikeperch (<i>Sander lucioperca</i>) Open
Differential use of habitat and prey resources is an important mechanism that may allow coexistence of sympatric species. Unlike interactions between smaller cyprinid and percid fishes, the resource use by coexisting predatory asp ( Leucis…
View article: European catfish (Silurus glanis) as a freshwater apex predator drives ecosystem via its diet adaptability
European catfish (Silurus glanis) as a freshwater apex predator drives ecosystem via its diet adaptability Open
View article: Macrophytes shape trophic niche variation among generalist fishes
Macrophytes shape trophic niche variation among generalist fishes Open
Generalist species commonly have a fundamental role in ecosystems as they can integrate spatially distinct habitats and food-web compartments, as well as control the composition, abundance and behavior of organisms at different trophic lev…
View article: Effects of water level regulation in alpine hydropower reservoirs: an ecosystem perspective with a special emphasis on fish
Effects of water level regulation in alpine hydropower reservoirs: an ecosystem perspective with a special emphasis on fish Open