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Tómas Grétar Gunnarsson - Research Scientist

Tómas Grétar Gunnarsson

–

Service Units

Tómas Grétar Gunnarsson

Research Scientist

Director - South Iceland Research Centre, University of Iceland

Location
Háskólasetur
Phone
525 - 5460
Email
tomas [at] hi.is

Unit
University of Iceland Research Centre in Suðurland

Published works

2024

Introduction of summer houses into semi-natural habitatsAnimal Conservation
Does frequent handling influence Eurasian whimbrel chicks’ body condition?Journal of Ornithology
Movement of juvenile migratory birds from settlement to adulthood across the non-breeding rangeJournal of Animal Ecology
Annual and spatial variation in adult and brood abundance in a sub-Arctic waderBird Study

2023

Icelandic Whimbrel first migrationIbis
Conservation beyond BoundariesAnimal Conservation
Annual schedule adjustment by a long-distance migratory birdAmerican Naturalist
Does early spring arrival lead to early nesting in a migratory shorebird? Insights from remote trackingIbis

2022

Barriers and bridges for sustaining functional habitat networksEcology and Evolution
Subarctic afforestationJournal of Applied Ecology
Effects of pair migratory behavior on breeding phenology and success in a partially migratory shorebird populationEcology and Evolution
Effects of overhead power-lines on the density of ground-nesting birds in open sub-arctic habitatsIbis

2021

Linking range wide energetic trade-offs to breeding performance in a long-distance migrantEcography
Linking range wide energetic tradeoffs to breeding performance in a long-distance migrantEcography
Paternal effects in the initiation of migratory behaviour in birdsScientific Reports
Linking range wide energetic tradeoffs to breeding performance in a long‐distance migrantEcography
Farhættir íslenskra tjaldaFuglar

2020

Individual variation in migratory behavior in a subarctic partial migrant shorebirdBehavioral Ecology
Individual variation in migratory behavior in a subarctic partial migrant shorebirdBehavioral Ecology
Vegetation structure influences predation rates of early nests in subarctic breeding wadersIbis
Linking Weather and Phenology to Stopover Dynamics of a Long-Distance MigrantFrontiers in Ecology and Evolution
Búsvæði og vernd íslenskra vaðfuglaNáttúrufræðingurinn
Losing space for breeding wadersWader Study
Size, shape and sex differences in three subspecies of Black-tailed Godwits Limosa limosaBird Study
Vegetation structure influences predation rates of early nests in subarctic breeding wadersIbis
Votlendi í uppsveitunumLitli-Bergþór

2019

Why Are Whimbrels Not Advancing Their Arrival Dates Into Iceland? Exploring Seasonal and Sex-Specific Variation in Consistency of Individual Timing During the Annual CycleFrontiers in Ecology and Evolution
Talningar á mófuglum (counting waders and associated species in Iceland)Náttúrufræðingurinn
Faster migration in autumn than in springJournal of Avian Biology
Linking warming effects on phenology, demography, and range expansion in a migratory bird populationEcology and Evolution
Why do earlier‐arriving migratory birds have better breeding success?Ecology and Evolution
Mechanisms driving phenological and range change in migratory speciesPhilosophical Transactions of the Royal Society B: Biological Sciences
Icelandic meadow-breeding wadersWader Study
Interacting effects of agriculture and landscape on breeding wader populationsAgriculture, Ecosystems and Environment

2018

Population size of Oystercatchers Haematopus ostralegus wintering in IcelandBird Study
Timing the annual cycle of a sub-arctic migrant: phenological flexibility and potential effects on breeding performance
Wintering energetic balance and migration costs for Icelandic Whimbrels.
Patterns and processes in shorebird survival ratesIbis

2017

Bloody cocklesWader Study
Use of agricultural land by breeding waders in low-intensity farming landscapesAnimal Conservation
Reconciling biodiversity conservation and agricultural expansion in the subarctic environment of IcelandEcology and Society
CorrigendumScientific Reports
Effects of spring temperature and volcanic eruptions on wader productivityIbis

2016

La ecología de las agujas colinegras de Islandia. Expansión poblacional, migración y guerra de sexosInDiferente
Very rapid long-distance sea crossing by a migratory birdScientific Reports
Avian abundance and communities in areas revegetated with exotic versus native plant speciesIcelandic Agricultural Sciences
Nýting eggja og unga villtra fuglaFuglar
Avian abundance and communities in areas revegetated with exotic versus native plant speciesIcelandic Agricultural Sciences
Migration and non-breeding distribution of Icelandic whimbrels numenius phaeopus islandicus as revealed by ringing recoveriesWader Study
Migration, delays and breeding success of Whimbrel (Numenius phaeopus islandicus)

2015

Do males overtake females? Migration schedules of Icelandic Whimbrel pairs
The Effects of Habitat Type and Volcanic Eruptions on the Breeding Demography of Icelandic Whimbrels Numenius phaeopusPLoS ONE
Annual and large-scale variation in breeding output of Greylag geese Anser anser in IcelandBird Study
Ecosystem recharge by volcanic dust drives broad-scale variation in bird abundanceEcology and Evolution
BREYTINGAR Á FJÖLDA ÆÐARHREIÐRA Á ÍSLANDINáttúrufræðingurinn
Ecosystem recharge by volcanic dust drives broad-scale variation in bird abundanceEcology and Evolution

2014

Identifying important bird habitats in a sub-arctic area undergoing rapid land-use changeBird Study
Individual specialization in a shorebird population with narrow foraging nicheActa Oecologica

2013

ENERGETIC TRADE-OFFS OF BLACK-TAILED GODWITSBulletin of the Ecological Society of America
Vernd, velferð og veiðar villtra fugla og spendýra. Lagaleg og stjórnsýsluleg staða og tillögur um úrbætur
Überschneiden sich verschiedene Unterarten der Uferschnepfe Limosa limosa in den iberischen Winterund Rastgebieten? Eine Bestätigung anhand genetischer MarkerJournal of Ornithology
Costs, benefits, and fitness consequences of different migratory strategiesEcology
Sex-biases in distribution and resource use at different spatial scales in a migratory shorebirdEcology and Evolution
Annual and between-colony variation in productivity of Arctic Terns in West IcelandBird Study
Relationships between Long-Term Demography and Weather in a Sub-Arctic Population of Common EiderPLoS ONE
Why is timing of bird migration advancing when individuals are not?Proceedings of the Royal Society B: Biological Sciences
Sexing Icelandic Whimbrels Numenius phaeopus islandicus with DNA and biometricsRinging and Migration

2012

A horizon scanning assessment of current and potential future threats to migratory shorebirdsIbis
Sex promotes spatial and dietary segregation in a migratory shorebird during the non-breeding seasonPLoS ONE
The non-breeding distribution of icelandic Common Ringed PloversWader Study Group Bulletin
Rapid changes in phenotype distribution during range expansion in a migratory birdProceedings of the Royal Society B: Biological Sciences
Results of a coordinated count of Eurasian Golden Plovers Pluvialis apricaria in Europe during october 2008Wader Study Group Bulletin
Overtaking on migrationOikos

2011

Flexibility in spring arrival of migratory birds at northern latitudes under rapid temperature changesBird Study

2010

Vaðfuglar og votlendi í ljósi landnotkunarNáttúrufræðingurinn
Predator chases by breeding shorebirds: interspecific comparison of three species nesting in IcelandWader Study Group Bulletin
Contrasting the flexibility of schedules in related species with different migration strategies: Black-tailed godwits and Whimbrels breeding in IcelandWader Study Group Bulletin

2009

Weather effects on breeding parameters in a sub-arctic, capital breeding resident: long-term data from IcelandClimate Change Research
Æðarendur (Somatereae): ástand og stjórnun stofna og framtíðarhorfurNáttúrufræðingurinn
A Shorebird Maternity Unit
Effects of sandplain revegetation on avian abundance and diversity at Skogasandur and Myrdalssandur, South-IcelandConservation Evidence

2008

When density dependence is not instantaneousEcology Letters
When density dependence is not instantaneousEcology Letters

2006

Population-scale drivers of individual arrival times in migratory birdsJournal of Animal Ecology
Sexing of Black-tailed Godwits Limosa limosa islandicaBird Study
Monitoring large-scale wader productivity during autumn passage in IcelandWader Study Group Bulletin
Why do female migratory birds arrive later than males?Journal of Animal Ecology
Large-scale habitat associations of birds in lowland IcelandBiological Conservation

2005

Estimating population size in Black-tailed Godwits Limosa limosa islandica by colour-markingBird Study
Seasonal matching of habitat quality and fitness in a migratory birdProceedings of the Royal Society B: Biological Sciences
A double buffer effect in a migratory shorebird populationJournal of Animal Ecology

2004

ErratumNature
Pair bondsNature

2002

Gildi langtímastofnrannsóknaNáttúrufræðingurinn

2001

The buffer effect and large-scale population regulation in migratory birdsNature

1993

Reception of DGPS-corrections from radio beacons in the presence of precipitation static
The Icelandic DGPS-system, Design, Service and Integrity

Keywords for Specialisation:

Behavioural Ecology

Habitat selection

Population ecology

Nature conservation