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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/

Published works

2024

On the MoveGeophysical Research Letters
Reading tea leaves worldwideEcology Letters
Increased biocrust cover and activity in the highlands of Iceland after five growing seasons of experimental warmingPlant and Soil
A lower bound on the rheological evolution of magma in the 2021 Fagradalsfjall FiresJournal of Volcanology and Geothermal Research

2023

Estimating the effects of grazing exclusion on the seed bank in Icelandic rangelandsIcelandic Agricultural Sciences
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
Long-term herbivore removal experiments reveal how geese and reindeer shape vegetation and ecosystem CO₂-fluxes in high-Arctic tundraJournal of Ecology
A review of open top chamber (OTC) performance across the ITEX NetworkArctic Science

2022

Herbivore species coexistence in changing rangeland ecosystemsScience of the Total Environment
Intraspecific trait variability is a key feature underlying high Arctic plant community resistance to climate warmingEcological Monographs
Developing common protocols to measure tundra herbivory across spatial scalesArctic Science
The tundra phenology databaseArctic Science
The International Tundra Experiment (ITEX): 30 years of research on tundra ecosystemsArctic Science
Global maps of soil temperatureGlobal Change Biology
Long-term warming manipulations reveal complex decomposition responses across different tundra vegetation types¹Arctic Science
Site-specific responses of fungal and bacterial abundances to experimental warming in litter and soil across Arctic and alpine tundraArctic Science
Winters are changingArctic Science
CO₂ and CH₄ exchanges between moist moss tundra and atmosphere on Kapp Linné, SvalbardBiogeosciences
Circum-Arctic distribution of chemical anti-herbivore compounds suggests biome-wide trade-off in defence strategies in Arctic shrubsEcography
Linking changes in species composition and biomass in a globally distributed grassland experimentEcology Letters
Can bryophyte groups increase functional resolution in tundra ecosystems?¹Arctic Science
Evolutionary history of grazing and resources determine herbivore exclusion effects on plant diversityNature Ecology and Evolution

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
Stomping in silence: Conceptualizing trampling effects on soils in polar tundraFunctional Ecology
The effects of different management interventions on degraded rangelands in IcelandLand Degradation and Development
Long-term warming effects on the microbiome and nifH gene abundance of a common moss species in sub-Arctic tundraNew Phytologist
Decades of Recovery From Sheep Grazing Reveal No Effects on Plant Diversity Patterns Within Icelandic Tundra LandscapesFrontiers in Ecology and Evolution
The effects of different management interventions on degraded rangelands in IcelandLand Degradation & Development
Concentrations of sulphur and trace elements in subarctic soils and mosses in relation to geothermal power plants at Hengill, Iceland – ecological implicationsGeothermics
Forage quality in tundra grasslands under herbivoryJournal of Ecology
Stomping in silenceFunctional Ecology
Species loss due to nutrient addition increases with spatial scale in global grasslandsEcology 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

2020

High Arctic ecosystem states: Conceptual models of vegetation change to guide long-term monitoring and researchAmbio
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 vegetationAmbio
Interactions between winter and summer herbivory affect spatial and temporal plant nutrient dynamics in tundra grassland communitiesOikos

2019

Hiding in the backgroundPolar Biology
Warming shortens flowering seasons of tundra plant communitiesNature Ecology and Evolution
Author CorrectionNature Ecology and Evolution
Fertilisers mediate the short-term effects of sheep grazing in the Icelandic highlandsIcelandic Agricultural Sciences
Faster nitrogen cycling and more fungal and root biomass in cold ecosystems under experimental warming: a meta‐analysisEcology
Hiding in the backgroundPolar Biology
Hiding in the background: community-level patterns in invertebrate herbivory across the tundra biomePolar Biology
Fertilisers mediate the short-term effects of sheep grazing in the Icelandic highlandsIcelandic Agricultural Sciences

2018

Correction toPolar Biology
Plant functional trait change across a warming tundra biomeNature
Publisher Correction to: Background invertebrate herbivory on dwarf birch (Betula glandulosa-nana complex) increases with temperature and precipitation across the tundra biomePolar Biology
The sheep in wolf's clothing? Recognizing threats for land degradation in Iceland using state-and-transition modelsLand Degradation and Development
The sheep in wolf‘s clothing? Recognizing threats for land degradation in Iceland using state-and-transition modelsLand Degradation and Development
Circumpolar Arctic Vegetation ClassificationPhytocoenologia
The sheep in wolf's clothing? Recognizing threats for land degradation in Iceland using state-and-transition modelsLand Degradation & 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 sitesGlobal Change Biology
Background invertebrate herbivory on dwarf birch (Betula glandulosa-nana complex) increases with temperature and precipitation across the tundra biomePolar Biology

2016

Changing Arctic snow coverAmbio
Herbivory NetworkPolar Science
Biotic interactions mediate patterns of herbivore diversity in the ArcticGlobal Ecology and Biogeography
Herbivory Network: An international, collaborative effort to study herbivory in Arctic and alpine ecosystemsPolar Science
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
Sheep grazing in the North Atlantic regionAmbio
Concentrations of sulphur and trace elements in semi-arid soils and plants in relation to geothermal power plants at Olkaria, KenyaGeothermics

2015

Definition of sampling units begets conclusions in ecologyPeerJ
Disjunct populations of European vascular plant species keep the same climatic nichesGlobal Ecology and Biogeography
ErratumProceedings of the National Academy of Sciences of the United States of America

2014

Herbivoría de zonas árticas y alpinas en el contexto del cambio globalEcosistemas
Vistfræði mosa í ljósi loftslagsbreytingaNáttúrufræðingurinn

2013

Phenological response of tundra plants to background climate variation tested using the International Tundra ExperimentPhilosophical Transactions of the Royal Society B: Biological Sciences
Vegetation data from boreal tundra of the North Atlantic and North Pacific regions.Arctic Vegetation Archive
Aphid-willow interactions in a high Arctic ecosystemGlobal Change Biology
Air quality and plant eco-physiological responses around geothermal power plants in Iceland and Kenya
Variable temperature effects of Open Top Chambers at polar and alpine sites explained by irradiance and snow depthGlobal Change Biology

2012

Plot-scale evidence of tundra vegetation change and links to recent climate warmingNature Climate Change
The impacts of climate change on circumpolar biodiversityBiodiversity
The impacts of climate change on circumpolar biodiversityBiodiversity
Global assessment of experimental climate warming on tundra vegetationEcology Letters
Plot-scale evidence of tundra vegetation change and links to recent summer warmingNature Climate Change

2011

Balancing positive and negative plant interactionsOecologia
Diversity of plant life histories in the ArcticPreslia
Responses to mineral nutrient availability and heterogeneity in physiologically integrated sedges from contrasting habitatsPlant Biology

2010

Erratum toOecologia
Vitnisburður steingervinga um þróun lífs á jörðinni.
Brief Summary of a North Atlantic treaty organization (NATO) advanced research workshop on global climate change and local adaptationIntegrated Environmental Assessment and Management
Plant community properties predict vegetation resilience to herbivore disturbance in the ArcticJournal of Ecology
The connectivity of spring stopover sites for geese heading to arctic breeding groundsArdea
Food selection by barnacle geese (Branta leucopsis) in an Arctic pre-breeding areaPolar Research

2009

Herbivore impacts to the moss layer determine tundra ecosystem response to grazing and warmingOecologia
Seasonal and interannual dietary variation during winter in female svalbard reindeer (Rangifer tarandus platyrhynchus)Arctic, Antarctic, and Alpine Research
Palaeoceanography and climate changes off North Iceland during the last millenniumJournal of Quaternary Science

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

2007

Life history and host-plant relationships of the rare endemic Arctic aphid Acyrthosiphon calvulus in a changing environmentEntomologia Experimentalis et Applicata
Global negative vegetation feedback to climate warming responses of leaf litter decomposition rates in cold biomesEcology Letters
Þróunarverkefni um landgræðsluskóla.Fræðaþing Landbúnaðarins
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
Spring feeding by pink-footed geese reduces carbon stocks and sink strength in tundra ecosystemsGlobal Change Biology
Botany during the Swedish Antarctic expedition 1901-1903

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
Plant community responses to experimental warming across the tundra biomeProceedings of the National Academy of Sciences of the United States of America
Grazing by captive Barnacle geese affects graminoid growth and productivity on SvalbardMemoirs of National Institute of Polar Research, Special Issue

2005

Terrestrial ecosystems on SvalbardBiology and Environment
Variable sensitivity of plant communities in Iceland to experimental warmingGlobal Change Biology
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
Arctic Tundra and Polar Desert Ecosystems

2004

Effects of simulated climate change on phenology and life history traits in Carex bigelowiiNordic Journal of Botany
Botany in the West Antarctic Region: From Skottsberg to Modern Research.
Responses to projected changes in climate and UV-B at the species levelAmbio
Intraclonal variation in defence substances and palatabilityOikos

2003

Leaf isotopic (δ¹³C and δ¹⁵N) and nitrogen contents of Carex plants along the Eurasian Coastal ArcticPolar Biology
Terrestrial trophic dynamics in the Canadian ArcticCanadian Journal of Zoology

2002

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

2000

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

1999

Large-scale differentiation and dynamics in tundra plant populations and vegetationAmbio
Vascular plants and mosses and their interactions in a changing climate: Comparison between Iceland and Northern Sweden.A terrestrial transect for Scandinavia/Northern Europe: Proceedings of the international Scantran conference.
Measuring growth rate in bryophytes and lichens. Plant responses to Climate Change: Integration of ITEX discoveries.
Extensive physiological integration in intact clonal systems of Carex arenariaJournal of Ecology
Responses of Tundra plants to experimental warmingEcological Monographs

1997

Responses of the clonal sedge, Carex bigelowii, to two seasons of simulated climate changeGlobal Change Biology
Extensive physiological integration: an adaptive trait in resource limited environments?

1996

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

Importance of sexual reproduction in arctic clonal plants and their evolutionary potential.Global change and arctic terrestrial ecosystems
Fate of added nitrogen in a moss-sedge arctic community and effects of increased nitrogen deposition.Science 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

1990

Aspects of clonality in the Arctic: A comparison between Carex bigelowii and Lycopodium annotinum.
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

Keywords for Specialisation:

Impact of climate change

Plant-animal interaction

Byophyte-vascular plant interaction

Impact of land use