• Alien plant species in Svalbard 

      Roalsø, Erik Roall (Master thesis, 2012)
      Increased introductions combined with favorable growing conditions may enhance the presence and increase the success of alien plant species in High Arctic settlements. With global warming, the presence and success of alien ...
    • An assessment of gains in conservation: A case study in Sør-Trøndelag, Norway 

      Bunikyte, Raimonda (Master thesis, 2012)
      SummaryForest ecosystems are important due to the services they are providing (e.g. food, timber, water and air clearance, etc.). This study investigated the change of forest habitat representation in the protected area ...
    • Biotic and abiotic drivers of intraspecific trait variation within plant populations of three herbaceous plant species along a latitudinal gradient 

      Helsen, Kenny; Acharya, Kamal Prasad; Brunet, J; Cousins, Sara A. O.; Decocq, Guillaume; Hermy, Martin; Kolb, Annette; Lemke, Isgard H.; Lenoir, Jonathan; Plue, Jan; Verheyen, Kris; De Frenne, Pieter; Graae, Bente Jessen (Journal article; Peer reviewed, 2017)
      Background: The importance of intraspecific trait variation (ITV) is increasingly acknowledged among plant ecologists. However, our understanding of what drives ITV between individual plants (ITVBI) at the population level ...
    • Carbon budget consequences of deciduous shrub expansion in alpine tundra ecosystems 

      Sørensen, Mia Vedel (Doctoral theses at NTNU;2018:256, Doctoral thesis, 2018)
      Arctic and alpine tundra ecosystems are important for global carbon sequestration, as they store more than half of the global soil carbon (C), and these systems are predicted to have the greatest soil C loss following ...
    • Carbon stocks across the Serengeti ecosystem: Impacts of climate, land-use and woody plant cover 

      Haukenes, Vilde Lytskjold (Master thesis, 2019)
      Vi står i dag ovenfor enorme utfordringer med tanke på økende arealbruks- og klimaendringer. Derfor er det vesentlig å forstå hvordan man mest effektivt forvalter et økosystem med økt karbonlagring i fokus. Et tiltak som ...
    • Comparison of phenotypic plasticity in Bistorta vivipara in topographically rough and flat landscapes 

      Gardiner, Emmanuel (Master thesis, 2013)
      Range shift in alpine plants:the study was intended to investigate if topographic effects on environmental conditions (soil moisture) will enhance plasticity in plants (alpine species). Thus, if topography will serve as a ...
    • Crop raiding and conflict: Study of Rhesus macaque-human conflict in Shivapuri-Nagarjun National Park, Kathmandu Nepal 

      Air, Anju (Master thesis, 2015)
      Crop raiding is one of the causes of conflict with Rhesus macaque (Macaca mulatta) mainly associated with farmers. Crop raiding depends on many factors such as season, spatial and temporal distribution of wild food resources, ...
    • Determinants of tree seedling establishment in alpine tundra 

      Marsman, Floor; Nystuen, Kristin Odden; Opedal, Øystein Hjorthol; Sørensen, Mia Vedel; De Frenne, Pieter; Graae, Bente Jessen; Limpens, Juul; Foest, Jessie (Peer reviewed; Journal article, 2020)
      Questions Changes in climate and herbivory pressure affect northern alpine ecosystems through woody plant encroachment, altering their composition, structure and functioning. The encroachment often occurs at unequal rates ...
    • Drivers of C cycling in three arctic-alpine plant communities 

      Sørensen, Mia Vedel; Graae, Bente Jessen; Strimbeck, Richard; Enquist, Brian J. (Journal article; Peer reviewed, 2019)
      Recent vegetation changes in arctic-alpine tundra ecosystems may affect several ecosystem processes that regulate microbe and soil functions. Such changes can alter ecosystem carbon (C) cycling with positive feedback to ...
    • Effects of Lichens on Seed Germination and Seedling Emergence of Vascular Plants on Dovre 

      Sundsdal, Kristine (Master thesis, 2015)
      Lichens are observed to decline when shrub covers increases due to global warming and reduced grazing in alpine and arctic areas. However, lichens are still prominent in many mountain habitats where they cover large areas. ...
    • Experimental herbivore exclusion, shrub introduction, and carbon sequestration in alpine plant communities 

      Sørensen, Mia Vedel; Graae, Bente Jessen; Hagen, Dagmar; Enquist, Brian J.; Nystuen, Kristin Odden; Strimbeck, Richard (Journal article; Peer reviewed, 2018)
      Background Shrub cover in arctic and alpine ecosystems has increased in recent decades, and is predicted to further increase with climate change. Changes in shrub abundance may alter ecosystem carbon (C) sequestration and ...
    • Functional group contributions to carbon fluxes in arctic-alpine ecosystems 

      Strimbeck, Richard; Sørensen, Mia Vedel; Graae, Bente Jessen; Lang, Simone I. (Journal article; Peer reviewed, 2019)
      Ongoing responses to climate change in arctic-alpine ecosystems, including the increasing dominance of deciduous shrubs, involve major shifts in plant functional group composition. Because rates of photosynthesis and ...
    • Herbivores reduce seedling recruitment in alpine plant communities 

      H. Opedal, Øystein; Nystuen, Kristin Odden; Hagen, Dagmar; Holien, Håkon; Sørensen, Mia Vedel; Lang, Simone; Lindmo, Sigrid; Strimbeck, Richard; Graae, Bente Jessen (Peer reviewed; Journal article, 2021)
      Through changes in climate and other environmental factors, alpine tundra ecosystems are subject to increased cover of erect shrubs, reduced predictability of rodent dynamics and changes in wild and domesticated herbivore ...
    • Impact of an invasive alien plant on litter decomposition along a latitudinal gradient 

      Helsen, Kenny; Smith, Stuart; Brunet, J; Cousins, Sara A.O.; De Frenne, Pieter; Kimberley, Adam; Kolb, Annette; Lenoir, Jonathan; Ma, Shiyu; Michaelis, Jana; Pule, Jan; Verheyen, Kris; Speed, James David Mervyn; Graae, Bente Jessen (Journal article; Peer reviewed, 2018)
      Invasive alien plant effects on ecosystem functions are often difficult to predict across environmental gradients due to the context-dependent interactions between the invader and the recipient communities. Adopting a ...
    • Impact of climate change on alpine vegetation of mountain summits in Norway 

      Vanneste, Thomas; Michelsen, Ottar; Graae, Bente Jessen; Kyrkjeeide, Magni Olsen; Holien, Håkon; Hassel, Kristian; Lindmo, Sigrid; Kapás, Rozália Erzsebet; De Frenne, Pieter (Journal article; Peer reviewed, 2017)
      Climate change is affecting the composition and functioning of ecosystems across the globe. Mountain ecosystems are particularly sensitive to climate warming since their biota is generally limited by low temperatures. ...
    • IMPACT OF FIRE HISTORY ON CARBON STORAGE AND VEGETATION STRUCTURE IN THE SAVANNA ECOSYSTEM OF MOLE NATIONAL PARK IN THE NORTHERN REGION OF GHANA 

      Awuah, Joana (Master thesis, 2017)
      As a management tool to balance the existence of trees and herbaceous vegetation, many protected areas in savannas are undergoing a trend of burning. Management to reduce late dry season fires and focus on low intensity ...
    • Impacts of an invasive plant on primary production: Testing a functional trait-based framework with a greenhouse experiment 

      Helsen, Kenny; Kapás, Rozália Erzsebet; Rakvaag, Grete; Speed, James David Mervyn; Graae, Bente Jessen (Journal article; Peer reviewed, 2018)
      Questions Predicting when invasive species will affect ecosystem functioning remains problematic, with strong contingency upon both the invasive species and the recipient community's identities. Adopting a functional ...
    • Invasive Species: Genetics, Characteristics and Trait Variation Along a Latitudinal Gradient 

      Acharya, Kamal Prasad (Doktoravhandlinger ved NTNU, 1503-8181; 2014:276, Doctoral thesis, 2014)
      Globalization during the second half of the 20th century has accelerated the introduction and the spread of non-native species. Introduced species is considered the second largest threat to biodiversity after habitat ...
    • Lichens facilitate seedling recruitment in alpine heath 

      Nystuen, Kristin Odden; Sundsdal, Kristine; Opedal, Øystein Hjorthol; Holien, Håkon; Strimbeck, Richard; Graae, Bente Jessen (Peer reviewed; Journal article, 2019)
      Questions How do mat thickness, physical structure and allelopathic properties of terricolous mat‐forming lichens affect recruitment of vascular plants in dwarf‐shrub and lichen heath vegetation? Location The mountains of ...
    • Litter type and termites regulate root decomposition across contrasting savanna land-uses 

      Smith, Stuart; Speed, James David Mervyn; Bukombe, John; Hassan, Shombe Ntaraluka; Lyamuya, Richard Daniel; Mtweve, Philipo Jacob; Sundsdal, Anders; Graae, Bente Jessen (Journal article; Peer reviewed, 2018)
      Decomposition is a vital ecosystem process, increasingly modified by human activity. Theoretical frameworks and empirical studies that aim to understand the interplay between human land-use, macro-fauna and decomposition ...