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Tómas Grétar Gunnarsson - Research Scientist

Tómas Grétar Gunnarsson

–

Þjónustustofnanir

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

Does early spring arrival lead to early nesting in a migratory shorebird? Insights from remote trackingIbis
Introduction of summer houses into semi‐natural habitats: impacts on ground‐nesting birdsAnimal Conservation

2023

Icelandic Whimbrel first migration: Non-stop until West Africa, yet later departure and slower travel than adultsIbis
Conservation beyond boundaries: using animal movement networks in protected area assessmentAnimal Conservation
Annual Schedule Adjustment by a Long-Distance Migratory BirdAmerican Naturalist

2022

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
Subarctic afforestation: Effects of forest plantations on ground‐nesting birds in lowland IcelandJournal of Applied Ecology
Barriers and bridges for sustaining functional habitat networks: A macroecological system analysis of wet grassland landscapesEcology and Evolution

2021

Paternal effects in the initiation of migratory behaviour in birdsScientific Reports
Linking range wide energetic tradeoffs to breeding performance in a long-distance migrantEcography

2020

Linking Weather and Phenology to Stopover Dynamics of a Long-Distance MigrantFrontiers in Ecology and Evolution
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
Búsvæði og vernd íslenskra vaðfuglaNáttúrufræðingurinn
Losing space for breeding wadersWader Study
Individual variation in migratory behavior in a subarctic partial migrant shorebirdBehavioral Ecology

2019

Interacting effects of agriculture and landscape on breeding wader populationsAgriculture, Ecosystems and Environment
Icelandic meadow-breeding waders: status, threats and conservation challengesWader Study
Mechanisms driving phenological and range change in migratory speciesPhilosophical Transactions of the Royal Society B: Biological Sciences
Linking warming effects on phenology, demography, and range expansion in a migratory bird populationEcology and Evolution
Faster migration in autumn than in spring: seasonal migration patterns and non‐breeding distribution of Icelandic whimbrels Numenius phaeopus islandicusJournal of Avian Biology
Talningar á mófuglum (counting waders and associated species in Iceland)Náttúrufræðingurinn
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
Why do earlier-arriving migratory birds have better breeding success?Ecology and Evolution

2018

Patterns and processes in shorebird survival rates: a global reviewIbis
Use of agricultural land by breeding waders in low-intensity farming landscapesAnimal Conservation
Population size of Oystercatchers Haematopus ostralegus wintering in IcelandBird Study

2017

Corrigendum: Very rapid long-distance sea crossing by a migratory birdScientific Reports
Reconciling biodiversity conservation and agricultural expansion in the subarctic environment of IcelandEcology and Society
Bloody cockles: A novel and important food item for whimbrels in the banc d’arguinWader Study
Effects of spring temperature and volcanic eruptions on wader productivityIbis

2016

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
Very rapid long-distance sea crossing by a migratory birdScientific Reports

2015

Ecosystem recharge by volcanic dust drives broad-scale variation in bird abundanceEcology and Evolution
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

2014

Why is timing of bird migration advancing when individuals are not?
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

Sexing Icelandic Whimbrels Numenius phaeopus islandicus with DNA and biometricsRinging and Migration
Sex-biases in distribution and resource use at different spatial scales in a migratory shorebirdEcology and Evolution
Do different subspecies of Black-tailed Godwit Limosa limosa overlap in Iberian wintering and staging areas? Validation with genetic markers,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
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

2012

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

2011

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

2009

Fuglar og loftslagsbreytingar [Birds and climate change – in Icelandic]Bliki
Effects of sandplain revegetation on avian abundance and diversity at Skogasandur and Myrdalssandur, South-IcelandConservation Evidence

2008

When density dependence is not instantaneous: Theoretical developments and management implications (Ecology Letters (2008) 11, (184-198))Ecology Letters

2006

Population-scale drivers of individual arrival times in migratory birdsJournal of Animal Ecology
Sexing of Black-tailed Godwits Limosa limosa islandica: A comparison of behavioural, molecular, biometric and field-based techniquesBird Study
Why do female migratory birds arrive later than males?Journal of Animal Ecology
Large-scale habitat associations of birds in lowland Iceland: Implications for conservationBiological Conservation

2005

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

2004

Erratum: Arrival synchrony in migratory birds (Nature (2004) 431 (646))Nature
Pair bonds: Arrival synchrony in migratory birdsNature

2001

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

Keywords for Specialisation:

Behavioural Ecology

Habitat selection

Population ecology

Nature conservation