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Ingibjörg Svala Jónsdóttir - Professor

Ingibjörg Svala Jónsdóttir

–

School of Engineering and Natural Sciences

Ingibjörg Svala Jónsdóttir

Professor

Location
Askja / N-246
Phone
525 - 4333
Email
isj [at] hi.is

Unit
Faculty of Life and Environmental Sciences
Website
https://tundraecology.hi.is/

ORCID site
https://orcid.org/0000-0003-3804-7077
Research portal – Ingibjörg Svala Jónsdóttir
Under construction throughout the autumn semester 2023

Published works

2023

Long‐term herbivore removal experiments reveal how geese and reindeer shape vegetation and ecosystem CO2‐fluxes in high‐Arctic tundraJournal of Ecology
Intraspecific trait variability is a key feature underlying high Arctic plant community resistance to climate warmingEcological Monographs
Long-term herbivore removal experiments reveal different impacts of geese and reindeer on vegetation and ecosystem CO2-fluxes in high-Arctic tundra
Herbivory and warming have opposing short‐term effects on plant‐community nutrient levels across high‐Arctic tundra habitatsJournal of Ecology
Plant traits and associated data from a warming experiment, a seabird colony, and along elevation in SvalbardScientific Data

2022

Evolutionary history of grazing and resources determine herbivore exclusion effects on plant diversityNature Ecology & Evolution
The International Tundra Experiment (ITEX): 30 years of research on tundra ecosystemsArctic Science
A review of open top chamber (OTC) performance across the ITEX NetworkArctic Science
CO2 and CH4 exchanges between moist moss tundra and atmosphere on Kapp Linne, SvalbardBiogeosciences
Herbivore species coexistence in changing rangeland ecosystems: First high resolution national open-source and open-access ensemble models for IcelandScience of the Total Environment
Greening conceals evergreening: contrasting trends for a socio-ecological system in Arctic Europe
Can bryophyte groups increase functional resolution in tundra ecosystems?Arctic Science
Long-term warming manipulations reveal complex decomposition responses across different tundra vegetation typesArctic Science
Linking changes in species composition and biomass in a globally distributed grassland experimentEcology Letters
Circum-Arctic distribution of chemical anti-herbivore compounds suggests biome-wide trade-off in defence strategies in Arctic shrubsEcography
Winters are changing: snow effects on Arctic and alpine tundra ecosystems¹Arctic Science
Forage quality in tundra grasslands under herbivory: Silicon‐based defences, nutrients and their ratios in grassesJournal of Ecology
Long-term warming effects on the microbiome and nifH gene abundance of a common moss species in sub-Arctic tundraNew Phytologist
Global maps of soil temperatureGlobal Change Biology
Developing common protocols to measure tundra herbivory across spatial scalesArctic Science
Long‐term warming effects on the microbiome and nifH gene abundance of a common moss species in sub‐Arctic tundraNew Phytologist

2021

Multiscale mapping of plant functional groups and plant traits in the High Arctic using field spectroscopy, UAV imagery and Sentinel-2A dataEnvironmental Research Letters
Experimental warming differentially affects vegetative and reproductive phenology of tundra plantsNature Communications
Variable responses of carbon and nitrogen contents in vegetation and soil to herbivory and warming in high-Arctic tundraEcosphere
Decades of Recovery From Sheep Grazing Reveal No Effects on Plant Diversity Patterns Within Icelandic Tundra LandscapesFrontiers in Ecology and Evolution
Multiscale mapping of plant functional groups and plant traits in the High Arctic using field spectroscopy, UAV imagery and Sentinel-2A dataEnvironmental Research Letters
The effects of different management interventions on degraded rangelands in IcelandLand Degradation & Development
The effects of different management interventions on degraded rangelands in IcelandLand Degradation & Development
Variable responses of carbon and nitrogen contents in vegetation and soil to herbivory and warming in high‐Arctic tundraEcosphere
Concentrations of sulphur and trace elements in subarctic soils and mosses in relation to geothermal power plants at Hengill, Iceland-ecological implicationsGeothermics
Species loss due to nutrient addition increases with spatial scale in global grasslandsEcology Letters
Stomping in silence: Conceptualizing trampling effects on soils in polar tundraFunctional Ecology

2020

The Total and Active Bacterial Community of the Chlorolichen Cetraria islandica and Its Response to Long-Term Warming in Sub-Arctic TundraFrontiers in Microbiology
Status and trends in Arctic vegetation: Evidence from experimental warming and long-term monitoringAmbio
Status and trends in Arctic vegetation: Evidence from experimental warming and long-term monitoringAmbio
Interactions between winter and summer herbivory affect spatial and temporal plant nutrient dynamics in tundra grassland communitiesOikos
High Arctic ecosystem states: Conceptual models of vegetation change to guide long-term monitoring and researchAmbio
Interactions between winter and summer herbivory affect spatial and temporal plant nutrient dynamics in tundra grassland communitiesOikos
The total and active bacterial community of the chlorolichen Cetraria islandica and its response to long-term warming in sub-Arctic tundra
Faster nitrogen cycling and more fungal and root biomass in cold ecosystems under experimental warming: a meta-analysisEcology

2019

Warming shortens flowering seasons of tundra plant communitiesNature Ecology & Evolution
Warming shortens flowering seasons of tundra plant communitiesNature Ecology and Evolution
Warming shortens flowering seasons of tundra plant communities (vol 3, pg 45, 2019)Nature Ecology & Evolution
Hiding in the background: community-level patterns in invertebrate herbivory across the tundra biomePolar Biology
Long-term warming effects on the microbiome and nitrogen fixation of a common moss species in sub-Arctic tundra

2018

Correction to: Background invertebrate herbivory on dwarf birch (Betula glandulosa-nana complex) increases with temperature and precipitation across the tundra biome (Polar Biology, (2017), 40, 11, (2265-2278), 10.1007/s00300-017-2139-7)Polar Biology
Plant functional trait change across a warming tundra biomeNature
The sheep in wolf's clothing? Recognizing threats for land degradation in Iceland using state-and-transition modelsLand Degradation & Development
Publisher Correction to: Background invertebrate herbivory on dwarf birch (Betula glandulosa-nana complex) increases with temperature and precipitation across the tundra biome (vol 40, pg 2265, 2017)Polar Biology
Circumpolar Arctic Vegetation ClassificationPhytocoenologia
Plant functional trait change across a warming tundra biomeNature
Circumpolar Arctic Vegetation ClassificationPhytocoenologia
The sheep in wolf's clothing? Recognizing threats for land degradation in Iceland using state-and-transition modelsLand Degradation and Development

2017

Assessing the Ecological Impacts of Extensive Sheep Grazing in IcelandIcelandic Agricultural Sciences
Background invertebrate herbivory on dwarf birch (Betula glandulosa-nana complex) increases with temperature and precipitation across the tundra biomePolar Biology
Background invertebrate herbivory on dwarf birch (Betula glandulosa-nana complex) increases with temperature and precipitation across the tundra biomePolar Biology
Greater temperature sensitivity of plant phenology at colder sites: implications for convergence across northern latitudesGlobal Change Biology
Greater temperature sensitivity of plant phenology at colder sites: implications for convergence across northern latitudesGlobal Change Biology

2016

Herbivory Network: An international, collaborative effort to study herbivory in Arctic and alpine ecosystemsPolar Science
Concentrations of sulphur and trace elements in semi-arid soils and plants in relation to geothermal power plants at Olkaria, KenyaGeothermics
Sheep grazing in the North Atlantic region: A long-term perspective on environmental sustainabilityAmbio
The regional species richness and genetic diversity of Arctic vegetation reflect both past glaciations and current climateGlobal Ecology and Biogeography
Biotic interactions mediate patterns of herbivore diversity in the ArcticGlobal Ecology and Biogeography
Changing Arctic snow cover: A review of recent developments and assessment of future needs for observations, modelling, and impactsAmbio
Sheep grazing in the North Atlantic region: A long-term perspective on environmental sustainabilityAmbio
Concentrations of sulphur and trace elements in semi-arid soils and plants in relation to geothermal power plants at Olkaria, KenyaGeothermics
Biotic interactions mediate patterns of herbivore diversity in the ArcticGlobal Ecology and Biogeography
The regional species richness and genetic diversity of Arctic vegetation reflect both past glaciations and current climateGlobal Ecology and Biogeography
Changing Arctic snow cover: A review of recent developments and assessment of future needs for observations, modelling, and impactsAmbio
Herbivory Network: An international, collaborative effort to study herbivory in Arctic and alpine ecosystemsPolar Science

2015

Definition of sampling units begets conclusions in ecology: the case of habitats for plant communitiesPeerJ
Definition of sampling units begets conclusions in ecology: The case of habitats for plant communitiesPeerJ
Erratum: Correction "Experiment, monitoring, and gradient methods used to infer climate change effects on plant communities yield consistent patterns," (Proc Natl Acad Sci USA (2015) 112:2 (448-452) DOI: 10.1073/pnas.1410088112)Proceedings of the National Academy of Sciences of the United States of America
Disjunct populations of European vascular plant species keep the same climatic nichesGlobal Ecology and Biogeography
Experiment, monitoring, and gradient methods used to infer climate change effects on plant communities yield consistent patterns (vol 112, pg 448, 2015)Proceedings of the National Academy of Sciences
Disjunct populations of European vascular plant species keep the same climatic nichesGlobal Ecology and Biogeography
Experiment, monitoring, and gradient methods used to infer climate change effects on plant communities yield consistent patternsProceedings of the National Academy of Sciences

2014

Global assessment of experimental climate warming on tundra vegetation: heterogeneity over space and time (vol 15, pg 164, 2012)Ecology Letters

2013

Aphid-willow interactions in a high Arctic ecosystem: responses to raised temperature and goose disturbanceGlobal Change Biology
Aphid-willow interactions in a high Arctic ecosystem: Responses to raised temperature and goose disturbanceGlobal Change Biology
Phenological response of tundra plants to background climate variation tested using the International Tundra ExperimentPhilosophical Transactions of the Royal Society B: Biological Sciences
Phenological response of tundra plants to background climate variation tested using the International Tundra Experiment.Philosophical transactions of the Royal Society of London. Series B, Biological sciences
Variable temperature effects of Open Top Chambers at polar and alpine sites explained by irradiance and snow depthGlobal Change Biology
Phenological response of tundra plants to background climate variation tested using the International Tundra ExperimentPhilosophical Transactions of the Royal Society B: Biological Sciences
Variable temperature effects of Open Top Chambers at polar and alpine sites explained by irradiance and snow depthGlobal Change Biology
Air quality and plant eco-physiological responses around geothermal power plants in Iceland and KenyaTransactions - Geothermal Resources Council

2012

Plot-scale evidence of tundra vegetation change and links to recent summer warmingNature Climate Change
Plot-scale evidence of tundra vegetation change and links to recent summer warmingNature Climate Change
Global assessment of experimental climate warming on tundra vegetation: Heterogeneity over space and timeEcology Letters
Global assessment of experimental climate warming on tundra vegetation: heterogeneity over space and timeEcology Letters
The impacts of climate change on circumpolar biodiversityBiodiversity

2011

Responses to mineral nutrient availability and heterogeneity in physiologically integrated sedges from contrasting habitatsPlant Biology
Balancing positive and negative plant interactions: How mosses structure vascular plant communitiesOecologia
Diversity of plant life histories in the ArcticPreslia
Balancing positive and negative plant interactions: how mosses structure vascular plant communitiesOecologia
Diversity of plant life histories in the ArcticPreslia
Responses to mineral nutrient availability and heterogeneity in physiologically integrated sedges from contrasting habitatsPlant Biology

2010

Food selection by barnacle geese (Branta leucopsis) in an Arctic pre-breeding areaPolar Research
Herbivore impacts to the moss layer determine tundra ecosystem response to grazing and warming (vol 161, pg 747, 2009)Oecologia
Plant community properties predict vegetation resilience to herbivore disturbance in the ArcticJournal of Ecology
Plant community properties predict vegetation resilience to herbivore disturbance in the ArcticJournal of Ecology
Erratum to: Herbivore impacts to the moss layer determine tundra ecosystem response to grazing and warming (Oecologia, (2009) 161(747-758), 10.1007/s00442-009-1427-5)Oecologia
Food selection by barnacle geese (Branta leucopsis) in an Arctic pre-breeding areaPolar Research
The connectivity of spring stopover sites for geese heading to arctic breeding groundsArdea

2009

Seasonal and interannual dietary variation during winter in female svalbard reindeer (Rangifer tarandus platyrhynchus)Arctic, Antarctic, and Alpine Research
Herbivore impacts to the moss layer determine tundra ecosystem response to grazing and warmingOecologia
Herbivore impacts to the moss layer determine tundra ecosystem response to grazing and warmingOecologia

2008

Environmental impact on an arctic soil-plant system resulting from metals released from coal mine waste in Svalbard (78° N)Water, Air, and Soil Pollution
Environmental impact on an arctic soil-plant system resulting from metals released from coal mine waste in Svalbard (78 degrees N)Water, Air, & Soil Pollution

2007

Botany during the Swedish Antarctic expedition 1901-1903Antarctic Peninsula and Tierra del Fuego: Proceedings of "Otto Nordenskjold's Antarctic Expedition of 1901-1903 and Swedish Scientists in Patagonia: A Symposium"
Temporal variability in plant and soil nitrogen pools in a high-Arctic ecosystemSoil Biology and Biochemistry
Global negative vegetation feedback to climate warming responses of leaf litter decomposition rates in cold biomesEcology Letters
Global negative vegetation feedback to climate warming responses of leaf litter decomposition rates in cold biomesEcology Letters
Spring feeding by pink-footed geese reduces carbon stocks and sink strength in tundra ecosystemsGlobal Change Biology
Temporal variability in plant and soil nitrogen pools in a high-Arctic ecosystemSoil Biology and Biochemistry
Arctic mosses govern below-ground environment and ecosystem processesOecologia
Life history and host-plant relationships of the rare endemic Arctic aphid Acyrthosiphon calvulus in a changing environmentEntomologia Experimentalis et Applicata
Spring feeding by pink-footed geese reduces carbon stocks and sink strength in tundra ecosystemsGlobal Change Biology
Arctic mosses govern below-ground environment and ecosystem processesOecologia
Life history and host-plant relationships of the rare endemic Arctic aphid Acyrthosiphon calvulus in a changing environmentEntomologia Experimentalis et Applicata

2006

Impact of warming and timing of snow melt on soil microarthropod assemblages associated with Dryas-dominated plant communities on SvalbardEcography
Intensive grazing by Barnacle geese depletes High Arctic seed bankCanadian Journal of Botany
Impact of warming and timing of snow melt on soil microarthropod assemblages associated with Dryas-dominated plant communities on SvalbardEcography
Effects of simulated climate change on phenology and life history traits in Carex bigelowiiNordic Journal of Botany
Plant community responses to experimental warming across the tundra biomeProceedings of the National Academy of Sciences
Grazing by captive Barnacle geese affects graminoid growth and productivity on SvalbardMemoirs of National Institute of Polar Research, Special Issue
Plant community responses to experimental warming across the tundra biomeProceedings of the National Academy of Sciences of the United States of America

2005

Variable sensitivity of plant communities in Iceland to experimental warmingGlobal Change Biology
Terrestrial ecosystems on Svalbard: Heterogeneity, complexity and fragility from an Arctic island perspectiveBiology and Environment
Phenotypic variation at different spatial scales in relation to environment in two circumpolar bryophyte speciesLindbergia
Biomass and nutrient responses of a clonal tundra sedge to climate warmingCanadian Journal of Botany
Biomass and nutrient responses of a clonal tundra sedge to climate warmingCanadian Journal of Botany
Variable sensitivity of plant communities in Iceland to experimental warmingGlobal Change Biology

2004

Effects of simulated climate change on phenology and life history traits in Carex bigelowiiNordic Journal of Botany
Intraclonal variation in defence substances and palatability: A study on Carex and lemmingsOikos
Intraclonal variation in defence substances and palatability: a study on Carex and lemmingsOikos
Responses to projected changes in climate and UV-B at the species levelAmbio

2003

Terrestrial trophic dynamics in the Canadian ArcticCanadian Journal of Zoology
Terrestrial trophic dynamics in the Canadian ArcticCanadian Journal of Zoology
Leaf isotopic (delta C-13 and delta N-15) and nitrogen contents of Carex plants along the Eurasian Coastal Arctic: results from the Northeast Passage expeditionPolar Biology
Leaf isotopic (δ¹³C and δ¹⁵N) and nitrogen contents of Carex plants along the Eurasian Coastal Arctic: Results from the Northeast Passage expeditionPolar Biology

2002

Genetic and environmental effects on morphology in clonal sedges in the Eurasian ArcticAmerican Journal of Botany
Genetic and environmental effects on morphology in clonal sedges in the Eurasian arcticAmerican Journal of Botany

2001

Genetic variation and clonal diversity in four clonal sedges (Carex) along the Arctic coast of EurasiaMolecular Ecology
Genetic variation and clonal diversity in four clonal sedges (Carex) along the Arctic coast of EurasiaMolecular Ecology

2000

Genet age in marginal populations of two clonal Carex species in the Siberian ArcticEcography
Genet age in marginal populations of two clonal Carex species in the Siberian ArcticEcography

1999

Extensive physiological integration in intact clonal systems of Carex arenariaJournal of Ecology
Large-scale differentiation and dynamics in tundra plant populations and vegetationAmbio
Large-scale differentiation and dynamics in tundra plant populations and vegetationAmbio
Extensive physiological integration in intact clonal systems of Carex arenariaJournal of Ecology
Responses of Tundra plants to experimental warming: Meta-analysis of the International Tundra ExperimentEcological Monographs

1997

Responses of the clonal sedge, Carex bigelowii, to two seasons of simulated climate changeGlobal Change Biology
Responses of the clonal sedge, Carex bigelowii, to two seasons of simulated climate changeGlobal Change Biology

1996

Clonal diversity and allozyme variation in populations of the arctic sedge Carex bigelowii (Cyperaceae)Journal of Ecology
Clonal diversity and allozyme variation in populations of the arctic sedge Carex bigelowii (Cyperaceae)Journal of Ecology
Resource dynamics within Arctic clonal plantsPlant ecology in the Subarctic Swedish Lapland

1995

FATE OF ADDED NITROGEN IN A MOSS SEDGE ARCTIC COMMUNITY AND EFFECTS OF INCREASED NITROGEN DEPOSITIONScience of the Total Environment

1994

Effects of resource availability on integration and clonal growth in Maianthemum bifoliumFolia Geobotanica

1992

CLONAL PLANTS AND ENVIRONMENTAL-CHANGE - INTRODUCTION TO THE PROCEEDINGS AND SUMMARYOikos

1991

EFFECTS OF GRAZING ON TILLER SIZE AND POPULATION-DYNAMICS IN A CLONAL SEDGE (CAREX-BIGELOWII)Oikos
Effects of grazing on tiller size and population dynamics in a clonal sedge (Carex bigelowii)Oikos

1990

INTRACLONAL TRANSLOCATION OF AMMONIUM AND NITRATE NITROGEN IN CAREX-BIGELOWII TORR EX SCHWEIN USING N-15 AND NITRATE REDUCTASE ASSAYSNew Phytologist
Intraclonal translocation of ammonium and nitrate nitrogen in Carex bigelowii Torr. ex Schwein. using ¹⁵N and nitrate reductase assaysNew Phytologist

1989

Localized defoliation stress and the movement of ¹⁴C- photoassimilates between tillers of Carex bigelowiiOikos

1988

Interrelationships between different generations of interconnected tillers of Carex bigelowiiOikos
INTERRELATIONSHIPS BETWEEN DIFFERENT GENERATIONS OF INTERCONNECTED TILLERS OF CAREX-BIGELOWIIOikos

Keywords for Specialisation:

Impact of climate change

Plant-animal interaction

Byophyte-vascular plant interaction

Impact of land use