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Forsíða

Sigurður Sveinn Snorrason - Professor Emeritus

Sigurður Sveinn Snorrason

–

Sigurður Sveinn Snorrason

Professor Emeritus

Location
Askja / N-244
Phone
525 - 4612
Email
sigsnor [at] hi.is

Unit
Institute of Life and Environmental Sciences

Published works

2024

Diversity in the internal functional feeding elements of sympatric morphs of Arctic charr (Salvelinus alpinus)PLoS ONE

2023

Genetic structure and relatedness of brown trout (Salmo trutta) populations in the drainage basin of the Ölfusá river, South-Western IcelandPeerJ

2021

Animal personality adds complexity to the processes of divergence between sympatric morphs of Arctic charrAnimal Behaviour
Multivariate analysis of morphology, behaviour, growth and developmental timing in hybrids brings new insights into the divergence of sympatric Arctic charr morphsBMC Ecology and Evolution

2020

Vatnavistfræðingurinn og frumkvöðullinn Pétur M. Jónasson.Náttúrufræðingurinn
Fjölbreytni og þróun bleikjunnar í ÞingvallavatniNáttúrufræðingurinn

2019

A way forward with eco evo devo: an extended theory of resource polymorphism with postglacial fishes as model systemsBiological Reviews
Extensive genetic differentiation between recently evolved sympatric Arctic charr morphsEcology and Evolution
A way forward with eco evo devo: an extended theory of resource polymorphism with postglacial fishes as model systemsBiological Reviews
Growth and hepatic antioxidant enzyme activity of juvenile Arctic charr (Salvelinus alpinus) fed on diets supplemented with ethoxyquin, rosemary (Rosmarinus officinalis), or bladder wrack (Fucus vesiculosus)Aquaculture International

2018

Phenotypic plasticity in the morphology of small benthic Icelandic Arctic charr (Salvelinus alpinus)Ecology of Freshwater Fish
Practical feeds for juvenile Nile tilapia (Oreochromis niloticus) prepared by replacing Rastrineobola argentea fishmeal with freshwater shrimp (Caridina nilotica) and mung bean (Vigna radiata) mealsAquaculture Nutrition
Phenotypic plasticity in the morphology of small benthic Icelandic Arctic charr (Salvelinus alpinus)Ecology of Freshwater Fish
Phenotypic plasticity in the morphology of small benthic Icelandic Arctic charr (Salvelinus alpinus )Ecology of Freshwater Fish
Eco-evolutionary feedbacks in the functional role of a polymorphic colonizerEvolutionary Ecology Research
Differential gene expression during early development in recently evolved and sympatric Arctic charr morphsPeerJ
Differential gene expression during early development in recently evolved and sympatric Arctic charr morphsPeerJ

2017

Dietary lipid oxidation tolerance of juvenile Arctic charr (Salvelinus alpinus) and Nile tilapia (Oreochromis niloticus)Aquaculture

2016

The developmental transcriptome of contrasting Arctic charr (Salvelinus alpinus) morphsF1000Research

2015

Bones in motionDevelopmental Dynamics
Bones in motion: Ontogeny of craniofacial development in sympatric arctic charr morphsDevelopmental Dynamics
Differential expression of the aryl hydrocarbon receptor pathway associates with craniofacial polymorphism in sympatric Arctic charrEvoDevo

2014

Patterns of MiRNA expression in arctic charr developmentPLoS ONE
Ĺıfið á jaðrinum: Dvergbleikja (Salvelinus alpinus) ́ı ́ıslenskum lindarbúsvæðumNáttúrufræðingurinn
Lífið á jaðrinum: Dvergbleikja (Salvelinus alpinus) í íslenskum lindarbúsvæðumNáttúrufræðingurinn
Lífið á jaðrinum: Dvergbleikja (Salvelinus alpinus) i islenskum lindarbúsvæðumNáttúrufræðingurinn
Transcriptional dynamics of a conserved gene expression network associated with craniofacial divergence in Arctic charrEvoDevo

2013

Differentiation at the MHCIIα and Cath2 Loci in Sympatric Salvelinus alpinus Resource Morphs in Lake ThingvallavatnPLoS ONE
Variability in the functional role of Arctic charr Salvelinus alpinus as it relates to lake ecosystem characteristicsEnvironmental Biology of Fishes
Validation of Reference Genes for Expression Studies during Craniofacial Development in Arctic CharrPLoS ONE
Habitat complexity affects how young of the year Atlantic cod Gadus morhua perceive predation threat from older conspecificsJournal of Fish Biology
Resource polymorphism and diversity of Arctic charr Salvelinus alpinus in a series of isolated lakesJournal of Fish Biology
Lífið á jaðrinum: Dvergbleikja (Salvelinus alpinus) í íslenskum lindarbúsvæðumNáttúrufræðingurinn

2012

Intraspecific diversity in arctic charr, salvelinus alpinus, in icelandEvolutionary Ecology Research
Fine-scale parallel patterns in diversity of small benthic arctic charr (salvelinus alpinus) in relation to the ecology of lava/groundwater habitatsEcology and Evolution
Intraspecific diversity in arctic charr, salvelinus alpinus, in icelandEvolutionary Ecology Research
Reaching the limitJournal of Experimental Marine Biology and Ecology
Adaptive speciation in northern freshwater fishes

2011

Relationships between lake ecology and morphological characters in Icelandic Arctic charr, Salvelinus alpinusBiological Journal of the Linnean Society
Evolution of adaptive diversity and genetic connectivity in Arctic charr (Salvelinus alpinus) in IcelandHeredity
Effects of geothermal effluents on macrobenthic communities in a pristine sub-arctic lake.Inland Waters
Evolution of fish in Lake Thingvallavatn
Threespine stickleback
The Arctic charr

2010

Smolt emigration and survival to adulthood in two Icelandic stocks of Atlantic salmonTransactions of the American Fisheries Society
Þróun atferlis

2009

Parallels, nonparallels, and plasticity in population differentiation of threespine stickleback within a lakeBiological Journal of the Linnean Society

2007

Parallel evolution? Microsatellite variation of recently isolated marine and freshwater three-spined sticklebackJournal of Fish Biology
Postglacial intra-lacustrine divergence of Icelandic threespine stickleback morphs in three neovolcanic lakesJournal of Evolutionary Biology
Morphological and genetic divergence of intralacustrine stickleback morphs in IcelandJournal of Evolutionary Biology

2006

Positive assortative mating between recently described sympatric morphs of Icelandic sticklebacksBiology Letters
The relationship between body and scale growth proportions and validation of two back-calculation methods using individually tagged and recaptured wild Atlantic SalmonTransactions of the American Fisheries Society
Does breeding site fidelity drive phenotypic and genetic sub-structuring of a population of Arctic charr?Evolutionary Ecology

2005

Evaluation of Trace Element Levels and their Ecotoxicological Relevance in Geothermal Wastewater of Olkaria East Field, KenyaProceedings World Geothermal Congress
Geothermal Wastewater Disposal: Chemical Stress Assessment Thingvallavatn -Iceland.Proceedings World Geothermal Congress

2004

Population genetic structure of Arctic Charr, Salvelinus alpinus from northwest Europe on large and small spatial scalesMolecular Ecology
Risk of predation as a promoting factor of species divergence in threespine sticklebacks (Gasterosteus aculeatus L.)Biological Journal of the Linnean Society
Adaptive speciation in northern fresh water fishes - patterns and processes.

2003

Ecological risk assessment of Nesjavellir co-generation plant waste water disposal on Lake Thingvallavatn in SW-Iceland.Multiple integrated use of geothermal resources
Social relationships in a group of horses without a mature stallionBehaviour

2002

Þróun fiska í Þingvallavatni
Hornsílið
Biology of brown trout (Salmo trutta) and Arctic charr (Salvelinusalpinus) in four Faroese lakes.Five Fareoese lakes: physico-chemial and biological aspects
Hornsílið
Bleikjan
The relationship between egg size and the rate of early development in Arctic charr, Salvelinus alpinusEnvironmental Biology of Fishes

2001

Life cycle of the mollusc Lymnaea peregra and its influence on morph formation in Arctic charr, Salvelinus alpinusVerh. Internat. Verin. Limnol

2000

Biodiversity of macroinvertebrates on rocky substrate in the surf zone of Icelandic lakes.Verh. Internat. Verin. Limnol
Estmating fecundity, egg-laying and larval survival of chironomids in a shallow, subarctic lake.Late 20th Century Research on Chironomidae: An anthology from the 13th International Symposium on Chironomidae.

1999

Sympatric morphs, populations and speciation in freshwater fish with emphasis on Arctic charr.
Rapid and coupled phenotypic and genetic divergence in Icelandic Arctic char (Salvelinus alpinus)Canadian Journal of Fisheries and Aquatic Sciences
Heterochrony in skeletal development and body size in progeny of two morphs of Arctic charr from Thingvallavatn, IcelandJournal of Fish Biology

1998

Epidemiology of Renibacterium salmoninarum in wild Arctic charr and brown trout in IcelandJournal of Fish Biology

1996

Genetic basis of life history variations among sympatric morphs of Arctic char, Salvelinus alpinusCanadian Journal of Fisheries and Aquatic Sciences

1995

Distribution of male yellow dungflies around ovipasition sitesEcological Entomology

1994

Modifications in life history characteristics of planktivorous arctic charr Salvelinus alpinus (L.) in Thingvallavatn, Iceland.Verh. Int. Ver. Limnol.
Trophic specialization in Arctic charr Salvelinus alpinus (Pisces; Salmonidae)Biological Journal of the Linnean Society

1993

Flexibility in life history characteristics of planktivorous arctic charr.Nordiske Seminar- og Arbejdsrapporter
Sediment characteristics and density of benthos in Lake Mývatn, Iceland.Verh. Int. Ver. Limnol.
Genetically based differences in foraging behaviour among sympatric morphs of arctic charr (PiscesAnimal Behaviour

1992

Threespine stickleback Gasterosteus aculeatus in ThingvallavatnOikos
Variability in Icelandic arctic charr.Bull. Agr. Sci.
Population dynamics of the planktivorous arctic charr Salvelinus alpinus ("murta') in ThingvallavatnOikos
Diet differentiation in polymorphic Arctic charr in Thingvallavatn, IcelandJournal of Animal Ecology
Threespine stickleback Gasterosteus aculeatus in ThingvallavatnOikos
Production of fish stocks in Thingvallavatn, IcelandOikos
Diet differentiation in polymorphic Arctic charr in Thingvallavatn, IcelandJournal of Animal Ecology
The Arctic charr of ThingvallavatnOikos

1991

Mitochondrial DNA diversity among four sympatric morphs of Arctic charr, Salvelinus alpinus L., from Thingvallavatn, IcelandJournal of Fish Biology
Mitochondrial DNA diversity among four sympatric morphs of Arctic charr, Salvelinus alpinus L., from Thingvallavatn, IcelandJournal of Fish Biology

1990

Feeding pattern of planktivorous Arctic charr
Life-history styles and somatic allocation in iteroporous arctic charr and semelparous pink salmonEnvironmental Biology of Fishes

1989

Ecological parasitology of polymorphic Arctic charr, Salvelinus alpinus (L.), in Thingvallavatn, IcelandJournal of Fish Biology
Ontogeny of trophic morphology in four sympatric morphs of arctic charr Salvelinus alpinus in Thingvallavatn, IcelandBiological Journal of the Linnean Society
Segregation in spawning and early life history among polymorphic Arctic charr, Salvelinus alpinus, in Thingvallavatn, IcelandJournal of Fish Biology
Alternative life history styles in salmonine fishes with emphasis on arctic charr, Salvelinus alpinus.
Shape polymorphism in sympatric arctic charr, Salvelinus alpinus, in Thingvallavatn, Iceland.Physiol Ecol. Japan Spec.
Reproductive investment patterns in the polymorphic arctic charr of Thingvallavatn, Iceland.Physiol Ecol. Japan Spec.

1988

Density, length distribution, and diet of age-0 arctic charr Salvelinus alpinus in the surf zone of Thingvallavatn, IcelandEnvironmental Biology of Fishes

1987

Habitat use of arctic charr Salvelinus alpinus in Thingvallavatn, IcelandEnvironmental Biology of Fishes

1980

The ecology of Lymnaea peregra (Gastropoda: Pulmonata) in Lake Thingvallavatn and its status in the lake food web.Nordecol
Life history variation of polymorphic Arctic charr in Lake Thingvallavatn, Iceland.Canadian Journal of Fisheries and Aquatic Sciences

Keywords for Specialisation:

Behaviour ecology

Evolutionary biology

Developmental biology