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Herbivore diversity effects on Arctic tundra ecosystems : a systematic review

Barbero-Palacios, Laura (författare)
Faculty of Environmental and Forest Sciences, Agricultural University of Iceland, Árleyni 22, Keldnaholt, Reykjavík, Iceland
Barrio, Isabel C. (författare)
Faculty of Environmental and Forest Sciences, Agricultural University of Iceland, Árleyni 22, Keldnaholt, Reykjavík, Iceland
García Criado, Mariana (författare)
School of GeoSciences, University of Edinburgh, Scotland, Edinburgh, United Kingdom
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Kater, Ilona (författare)
Scott Polar Research Institute, University of Cambridge, Cambridge, United Kingdom
Petit Bon, Matteo (författare)
Department of Wildland Resources | Quinney College of Natural Resources and Ecology Center, Utah State University, UT, Logan, United States
Kolari, Tiina H. M. (författare)
Department of Geographical and Historical Studies, University of Eastern Finland, Joensuu, Finland
Bjørkås, Ragnhild (författare)
Centre for Biodiversity Dynamics, Department of Biology, Norwegian University of Science and Technology, Trondheim, Norway
Trepel, Jonas (författare)
Center for Ecological Dynamics in a Novel Biosphere (ECONOVO), Section for Ecoinformatics and Biodiversity, Department of Biology, Aarhus University, Aarhus, Denmark
Lundgren, Erick (författare)
Center for Ecological Dynamics in a Novel Biosphere (ECONOVO), Section for Ecoinformatics and Biodiversity, Department of Biology, Aarhus University, Aarhus, Denmark; School of Biology and Environmental Science, Faculty of Science, Queensland University of Technology, QLD, Brisbane, Australia
Björnsdóttir, Katrín (författare)
Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden
Hwang, Bernice C. (författare)
Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Department of Ecology, University of Innsbruck, Sternwartestraße 15, Innsbruck, Austria
Bartra-Cabré, Laura (författare)
Centre for Biodiversity Dynamics, Department of Biology, Norwegian University of Science and Technology, Trondheim, Norway
Defourneaux, Mathilde (författare)
Faculty of Environmental and Forest Sciences, Agricultural University of Iceland, Árleyni 22, Keldnaholt, Reykjavík, Iceland
Ramsay, Jennifer (författare)
School of Life Sciences, Anglia Ruskin University, East Road, Cambridge, United Kingdom
Lameris, Thomas K. (författare)
Department of Coastal Systems, Royal Netherlands Institute for Sea Research (NIOZ), Den Burg, Netherlands
Leffler, A. Joshua (författare)
Department of Natural Resource Management, South Dakota State University, SD, Brookings, United States
Lock, Janine G. (författare)
Faculty of Environmental and Forest Sciences, Agricultural University of Iceland, Árleyni 22, Keldnaholt, Reykjavík, Iceland
Kuoppamaa, Mari S. (författare)
Arctic Centre, University of Lapland, Rovaniemi, Finland; School of Environmental Sciences, University of Liverpool, Liverpool, United Kingdom
Kristensen, Jeppe A. (författare)
Environmental Change Institute, School of Geography and the Environment, University of Oxford, Oxford, United Kingdom
Bjorkman, Anne D. (författare)
Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden
Myers-Smith, Isla (författare)
School of GeoSciences, University of Edinburgh, Scotland, Edinburgh, United Kingdom; Department of Forest and Conservation Science, Faculty of Forestry, University of British Columbia, 3041-2424 Main Mall, BC, Vancouver, Canada
Lecomte, Nicolas (författare)
Canada Research Chair in Polar and Boreal Ecology, Department of Biology and Centre d’Études Nordiques, Université de Moncton, Moncton, Canada
Axmacher, Jan C. (författare)
Faculty of Environmental and Forest Sciences, Agricultural University of Iceland, Árleyni 22, Keldnaholt, Reykjavík, Iceland; Department of Geography, UCL, University College London, London, United Kingdom
Gilg, Olivier (författare)
UMR 6249 Chrono-Environnement, CNRS, Université de Franche-Comté, Besançon, France; Groupe de Recherche en Ecologie Arctique, Francheville, France
Den Herder, Michael (författare)
European Forest Institute, Joensuu, Finland
Pagneux, Emmanuel P. (författare)
Faculty of Environmental and Forest Sciences, Agricultural University of Iceland, Árleyni 22, Keldnaholt, Reykjavík, Iceland
Skarin, Anna (författare)
Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences, Uppsala, Sweden
Sokolova, Natalia (författare)
Arctic Research Station of Institute of Plant and Animal Ecology Ural Branch, Russian Academy of Sciences, Labytnangi, Russian Federation
Windirsch, Torben (författare)
Permafrost Research Section, Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Potsdam, Germany
Wheeler, Helen C. (författare)
School of Life Sciences, Anglia Ruskin University, East Road, Cambridge, United Kingdom
Serrano, Emmanuel (författare)
Wildlife Ecology & amp; Health Group (WE & amp;H), Servei d’Ecopatologia de Fauna Salvatje (SEFaS), Department de Medicina I Cirurgia Animals, Universitat Autònoma de Barcelona (UAB), Bellaterra, Spain
Virtanen, Tarmo (författare)
Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
Hik, David S. (författare)
Department of Biological Sciences, Simon Fraser University, BC, Burnaby, Canada
Kaarlejärvi, Elina (författare)
Research Centre for Ecological Change, Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
Speed, James D. M. (författare)
Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology, Trondheim, Norway
Soininen, Eeva M. (författare)
Department of Arctic and Marine Biology, UiT The Arctic University of Norway, Tromsø, Norway
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 (creator_code:org_t)
BioMed Central (BMC), 2024
2024
Engelska.
Ingår i: Environmental Evidence. - : BioMed Central (BMC). - 2047-2382. ; 13:1
Relaterad länk:
https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
https://urn.kb.se/re...
https://doi.org/10.1...
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  • Forskningsöversikt (refereegranskat)
Abstract Ämnesord
Stäng  
  • Background: Northern ecosystems are strongly influenced by herbivores that differ in their impacts on the ecosystem. Yet the role of herbivore diversity in shaping the structure and functioning of tundra ecosystems has been overlooked. With climate and land-use changes causing rapid shifts in Arctic species assemblages, a better understanding of the consequences of herbivore diversity changes for tundra ecosystem functioning is urgently needed. This systematic review synthesizes available evidence on the effects of herbivore diversity on different processes, functions, and properties of tundra ecosystems.Methods: Following a published protocol, our systematic review combined primary field studies retrieved from bibliographic databases, search engines and specialist websites that compared tundra ecosystem responses to different levels of vertebrate and invertebrate herbivore diversity. We used the number of functional groups of herbivores (i.e., functional group richness) as a measure of the diversity of the herbivore assemblage. We screened titles, abstracts, and full texts of studies using pre-defined eligibility criteria. We critically appraised the validity of the studies, tested the influence of different moderators, and conducted sensitivity analyses. Quantitative synthesis (i.e., calculation of effect sizes) was performed for ecosystem responses reported by at least five articles and meta-regressions including the effects of potential modifiers for those reported by at least 10 articles.Review findings: The literature searches retrieved 5944 articles. After screening titles, abstracts, and full texts, 201 articles including 3713 studies (i.e., individual comparisons) were deemed relevant for the systematic review, with 2844 of these studies included in quantitative syntheses. The available evidence base on the effects of herbivore diversity on tundra ecosystems is concentrated around well-established research locations and focuses mainly on the impacts of vertebrate herbivores on vegetation. Overall, greater herbivore diversity led to increased abundance of feeding marks by herbivores and soil temperature, and to reduced total abundance of plants, graminoids, forbs, and litter, plant leaf size, plant height, and moss depth, but the effects of herbivore diversity were difficult to tease apart from those of excluding vertebrate herbivores. The effects of different functional groups of herbivores on graminoid and lichen abundance compensated each other, leading to no net effects when herbivore effects were combined. In turn, smaller herbivores and large-bodied herbivores only reduced plant height when occurring together but not when occurring separately. Greater herbivore diversity increased plant diversity in graminoid tundra but not in other habitat types.Conclusions: This systematic review underscores the importance of herbivore diversity in shaping the structure and function of Arctic ecosystems, with different functional groups of herbivores exerting additive or compensatory effects that can be modulated by environmental conditions. Still, many challenges remain to fully understand the complex impacts of herbivore diversity on tundra ecosystems. Future studies should explicitly address the role of herbivore diversity beyond presence-absence, targeting a broader range of ecosystem responses and explicitly including invertebrate herbivores. A better understanding of the role of herbivore diversity will enhance our ability to predict whether and where shifts in herbivore assemblages might mitigate or further amplify the impacts of environmental change on Arctic ecosystems.

Ämnesord

NATURVETENSKAP  -- Biologi -- Ekologi (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Ecology (hsv//eng)

Nyckelord

Body size
Browsing
Defoliation
Ecosystem function
Grazing
Herbivore assemblage
Plant-herbivore-soil interaction
Species richness

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