Publication archive

Floral communities in tundra and montane grasslands are shaped by both grazing and soil nutrients. Our study, conducted at two ...
Research on Arctic herbivory has a long tradition, but recent literature syntheses have highlighted important knowledge gaps. Given the rapid ...
Large herbivores play a crucial role in maintaining vegetation structure and composition of Arctic ecosystems in times of global change ...
photo: Eeva Soininen
Arctic ecosystems are strongly influenced by herbivores, yet the role of herbivore diversity in shaping ecosystem structure and functioning has ...
Range shifts and changes in dominance of species in communities are among the major predicted impacts of climate change on ...
Small rodent population cycles characterize northern ecosystems, and the cause of these cycles has been a long-lasting central topic in ...
Trees are the main carbon (C) stocks in boreal forests, but the understory vegetation can contribute significantly to total C ...
Migration is a key life-history strategy that allows animals to exploit seasonal food peaks while avoiding periods of scarcity. The ...
We use a simple model of coupled carbon and nitrogen cycles in terrestrial ecosystems to examine how explicitly representing grazers ...
In arctic tundra, large and small mammalian herbivores have substantial impacts on the vegetation community and consequently can affect the ...
While typically thought of as having top-down roles in ecosystems, small mammal herbivores bottom-up roles are often underappreciated. As structure ...
Northern rangelands are changing fast, and these changes can have profound consequences to species coexistence and management. In their recent ...
Herbivores may counteract climate warming impacts on tundra by reducing plant growth. However, the strength of this effect may depend ...
How do the effects of different herbivores combine to affect tundra ecosystem? This is the question we want to address ...
Arctic ecosystems are changing fast, and these changes involve both plant and herbivore communities. Poleward shifts of species distributions, termed ...
To what extent herbivores concomitantly alter silicon-based defence and nutrient levels in tundra grasses will ultimately determine changes in the ...
As vegetation and soil jointly regulate whole-ecosystem processes, differential sensitivity and magnitude of their carbon and nitrogen responses to environmental ...
Insect herbivory is a significant source of plant stress and, due to climate change, the herbivory stress is continuously increasing ...
Have you ever been puzzled by the fact that we as ecologists often lump a range of plant species into ...
Herbivores modify arctic vegetation and can counteract some of the climate-change driven increases in shrub cover and treeline advance induced ...
Arctic grazers are known to prevent the establishment of deciduous shrubs and, under certain conditions, promote the dominance of evergreen ...
In the Arctic, soil fungal communities may be intrinsically shaped by heavy grazing, which may locally induce an ecosystem change ...
Decades of biogeographic theory suggests that a species geographic range is limited by abiotic conditions towards its high elevation limit ...
Oligotrophic boreal forests with lichen dominated field layer are important winter pastures for reindeer (Rangifer tarandus). In addition to the ...
Rapid warming is predicted to increase insect herbivory across the tundra biome, yet how this will impact the community and ...
Ecological monitoring requires sustained, coordinated efforts. We need to standardize what and how we measure so that data are comparable ...
Subarctic mountain birch (Betula pubescens ssp. czerepanovii) forests with an understorey vegetation of dwarf shrubs, lichens and mosses form an ...
Lemmings are key species in the arctic tundra. Yet, their whereabouts during the long winter is highly understudied. Luckily, we ...
The high Arctic is changing rapidly: climate change means advancing springs, and more treacherous winters, with more frequent extreme weather ...
In this article we describe for the first time the amount of C stored in the plant and soil compartments ...
Elevational shifts in the distribution of species can have large consequences to high-elevation ecosystem. More so, when we are talking ...
Across the world, soils are impacted by disturbances caused by trampling of large animals and us, humans, as well as ...
Imagine a bird taking flight. Feathers, hollow bones, and relatively small organs help them overcome gravity and reduce the high ...
Asian montane rangelands are a part of the largest contiguous grassland system in the world, and support the region's primarily ...
Climate change in Arctic regions is linked to an expansion of woody-taxa (shrubification) and an increase in biomass as tundra ...
The original ideas and stimulus for the study came up from observations of heavy ptarmigan browsing on tundra willows at ...
Diet composition in herbivores differs greatly from season to season because they eat many types of grasses, shrubs, and forbs ...
Herbivory can modify vegetation responses to climatic changes, but climate and herbivory also affect each other and rarely work in ...
In the long-term, herbivores can alter nutrient dynamics in tundra ecosystems by changing the functional composition of the vegetation. Yet, ...
Arctic ecosystems are especially sensitive to climate change. As the Arctic warms, shrubs have been observed to expand. Such changes ...
During the last century, moose have taken advantage of increasing shrubs in the tundra and expanded their northern range into ...
In African savanna wild herbivores are increasingly displaced by cattle and that is not without consequences. Where many cows graze, ...
A new paper by Marc Macias-Fauria and collaborators published in January 2020 in Philosophical Transactions B reviews the environmental context ...
Climate change is altering the timing of spring green-up and the timing of migratory herbivores, especially in northern latitudes. Shifts ...
Finding sustainable grazing management in tundra ecosystems is becoming increasingly important for northern agriculture. In the Icelandic highlands, past grazing ...
Voles and lemmings are known for their high-amplitude population fluctuations and strong effects on dwarf shrub-dominated vegetation communities across the ...
Shrubification of arctic tundra is a well-recognized phenomenon, and it can be particularly rapid in moist habitats. Reindeer grazing can ...
This new paper by David Anderson and collaborators reviews archaeological and palaeoecological evidence for the nature of occupation by humans ...
In a recent paper published in Journal of Ecology, Maja Sundqvist, Jon Moen, Robert Björk, Tage Vowles, Minna-Maarit Kytöviita, Malcolm ...
In a recent paper published in Ecosystems, Henni Ylänne and Sari Stark compare how key processes behind ecosystem carbon cycling ...
In a paper recently published in Polar Biology, Sarah Rheubottom and collaborators investigate patterns of invertebrate herbivory across the tundra ...
Roger Ruess and colleagues have just published a very interesting paper in Ecosphere, on vegetation shifts mediated by geese. You ...
The effect of reindeer grazing on the assemblage of ground-dwelling spiders was studied along the Finnish-Russian border fence on lichen ...
Almost all plant species, particularly when stressed, release a complex blend of volatile organic compounds (VOCs) into the atmosphere. These ...
In many parts of the world, wild herbivores coexist with domestic livestock. Direct interactions between wild and domestic herbivores such ...
Herbivores can sometimes alter the trajectory of entire ecosystems. In the northern-boreal mountain birch forest of Northern Fennoscandia, outbreaks by ...
Large mammalian herbivores occur in many terrestrial ecosystems and have large impacts on plant communities. They can for example change ...
It is important to understand how biotic communities are organized, because that will determine how they respond to environmental changes ...
Science is suffering a reproducibility crisis that is associated with the impacts of many biases on the outcomes of scientific ...
Svalbard reindeer females
In this study, Lily Zhao and colleagues use carbon and nitrogen stable isotope analysis to infer summer dietary differences of ...
This paper highlights the strong relationship between forage phenology in alpine areas and the dynamics of plant consumption by alpine ...
This paper highlights the impacts that hyperabundant herbivores can have on tundra habitats and sympatric-nesting species. In this study Scott ...
muskoxen behind exclosure
This paper highlights the key role arctic herbivores play in arctic vegetation and nutrient dynamics, and reveal the potential strong ...
This paper is the first step in developing a systematic map: defining a transparent protocol to conduct an unbiased systematic ...
Muskox grazing can drive large changes in vegetation in the long term, but these changes do not seem to influence ...
Predictive modelling is increasingly common in ecology, and statistical models created in one context are often used to predict the ...
Many old stories include warnings to beware of nasty surprises that can appear harmless, like the wolf disguised as a ...
Herbivores can have large impacts on the composition and functioning of plant communities and may even drive the vegetation towards ...
Snow can limit access to food during winter for resident Arctic herbivores, forcing them to aggregate in the few patches ...
In this paper published in Functional Ecology, Henni Ylänne and collaborators investigate the impact of reindeer on the carbon storage ...
fence in boreal forest
This paper sheds new light on how moose affects forests. In a recently published article in the journal Ecosystems, Kolstad ...
The article explores long-term stability of reindeer-induced vegetation shifts by addressing “Historical Milking Grounds” (HMGs): patches in the Scandinavian tundra ...
Ground squirrel, reindeer and shrub encroachment
Through meta-analysis of existing literature we investigated the evidence for links between shrub cover and indicators of population performance in ...
Icelandic sheep
This paper compiles available information on the effects of sheep grazing on vegetation, soil properties and other organisms in the ...
Recent studies have shown that biotic interactions influence macroecological patterns and global dynamics, stressing the need to consider them outside ...
The temporal dynamics of most tundra food webs are shaped by the cyclic population dynamics of lemmings. While processes during ...
exclosure
One of the most palpable effects of warming in Arctic ecosystems is shrub expansion above the tree line. However, previous ...
This paper summarizes the need for herbivory studies and presents the protocols designed by the Herbivory Network. Plant-herbivore interactions are ...
frozen reindeer
According to oral histories collected among fully nomadic tundra Nenets on Yamal Peninsula in West Siberia, extreme weather (rain-on-snow) events ...
Domestic sheep in Norway
Herbivores influence many aspects of ecosystems in Arctic and alpine tundra, from plant population dynamics and community composition to soil ...
caterpillar
Tone Birkemoe and collaborators have recently published a paper on the effects of experimental warming on insect herbivory. Here’s Tone’s ...
herbivore diversity map
Understanding the forces that shape biodiversity is essential for improving our ability to predict the responses of ecosystems to rapid, ...
The muskox (Ovibos moschatus), a key species in the arctic tundra, is the only large-bodied herbivore in Northeast Greenland. At ...
The very first HN publication was a short note about some of our discussions at the ASSW 2014 workshop in ...