James Speed

Publications

• Quantification of past plant abundances based on the R-value model: Exemplified by an impact assessment of pre-historic iron production and summer farming in Budalen, central Norway
• Trophic interactions and abiotic factors drive functional and phylogenetic structure of vertebrate herbivore communities across the Arctic tundra biome
• SoilTemp: A global database of near-surface temperature
• Savannah trees buffer herbaceous plant biomass against wild and domestic herbivores
• The importance of herbivore density and management as determinants of the distribution of rare plant species
• No genetic erosion after five generations for Impatiens glandulifera populations across the invaded range in Europe
• Global plant trait relationships extend to the climatic extremes of the tundra biome
• Long-Term Increase in Aboveground Carbon Stocks Following Exclusion of Grazers and Forest Establishment in an Alpine Ecosystem
• Plant functional trait change across a warming tundra biome
• Herbivory and climate as drivers of woody plant growth: Do deer decrease the impacts of warming?
• Increasing Cervidae populations have variable impacts on habitat suitability for threatened forest plant and lichen species
• Can mowing restore boreal rich-fen vegetation in the face of climate change?
• Urban aliens and threatened near-naturals: Land-cover affects the species richness of alien- and threatened species in an urban-rural setting
• Long-term changes in northern large-herbivore communities reveal differential rewilding rates in space and time
• Traditional plant functional groups explain variation in economic but not size-related traits across the tundra biome
• Contrasting spatial, temporal and environmental patterns in observation and specimen based species occurrence data
• How does microclimate affect the growth of the rare liverwort Scapania nimbosa?
• Sheep grazing in the North Atlantic region: A long-term perspective on environmental sustainability
• Experimental Effects of Herbivore Density on Aboveground Plant Biomass in an Alpine Grassland Ecosystem
• The relative role of climate and herbivory in driving treeline dynamics along a latitudinal gradient
• Litter type and termites regulate root decomposition across contrasting savanna land‐uses
• Teatime in the Serengeti: macrodetritivores sustain recalcitrant plant litter decomposition across human-modified tropical savannahs
• Cool as a moose: How can browsing counteract climate warming effects across boreal forest ecosystems?
• Testing enemy release of non‐native plants across time and space using herbarium specimens in Norway
• Spatiotemporal monitoring of the rare northern dragonhead ( Dracocephalum ruyschiana , Lamiaceae) — SNP genotyping and environmental niche modeling herbarium specimens
• Why don't all species overexploit: erratum
• A Review of Ungulate Impacts on the Success of Climate-Adapted Forest Management Strategies
• Functional traits of alpine plant communities show long‐term resistance to changing herbivore densities
• Will borealization of Arctic tundra herbivore communities be driven by climate warming or vegetation change?
• Combining population genomics and ecological niche modeling to assess taxon limits between Carex jemtlandica and C. lepidocarpa
• Competitors and ruderals go to town: plant community composition and function along an urbanisation gradient
• Why don't all species overexploit?
• Species data for understanding biodiversity dynamics: The what, where and when of species occurrence data collection
• Proximity to high densities of pastoral settlements reduces grassland regrowth in a protected tropical savanna
• Climate and land‐use drive the functional composition of vascular plant assemblages across Norway
• A regionally coherent ecological fingerprint of climate change, evidenced from natural history collections
• Can seasonal fire management reduce the risk of carbon loss from wildfires in a protected Guinea savanna?
• What are the effects of herbivore diversity on tundra ecosystems? A systematic review protocol
• Browsing of sallow (Salix caprea L.) and rowan (Sorbus aucuparia L.) in the context of life history strategies: a literature review
• Low Intensities of Red Deer Browsing Constrain Rowan Growth in Mature Boreal Forests of Western Norway
• Disjunct populations of European vascular plant species keep the same climatic niches
• Continuous and discontinuous variation in ecosystem carbon stocks with elevation across a treeline ecotone
• What are the impacts of reindeer/caribou (Rangifer tarandus L.) on arctic and alpine vegetation? A systematic review
• What is the influence of a reduction of planktivorous and benthivorous fish on water quality in temperate eutrophic lakes? A systematic review
• The influence of climatic conditions in breeding grounds and migratory flyways on a subalpine Norwegian Willow Warbler (Phylloscopus trochilus) population
• Hyper-oceanic liverwort species of conservation concern: evidence for dispersal limitation and identification of suitable uncolonised regions
• General and specific responses of understory vegetation to cervid herbivory across a range of boreal forests
• Sex and life stage dependent phototactic response of the marine copepod Calanus finmarchicus (Copepoda: Calanoida)
• Climate sensitivity of shrub growth across the tundra biome
• Effects of Three Consecutive Rotenone Treatments on the Benthic Macroinvertebrate Fauna of the River Ogna, Central Norway
• The response of plant diversity to grazing varies along an elevational gradient
• Elevational advance of alpine plant communities is buffered by herbivory
• Experimental evidence for herbivore limitation of the treeline
• Extrapolating herbivore-induced carbon loss across an arctic landscape
• Do Nitrogen Concentration and Forage Quality of the Moss Racomitrium lanuginosum Increase with Latitude?
• Natural and cultural heritage in mountain landscapes: towards an integrated valuation
• Prevalence of pink-footed goose grubbing in the arctic tundra increases with population expansion
• What are the impacts of reindeer/caribou (Rangifer tarandus L.) on arctic and alpine vegetation? A systematic review protocol
• The Response of Alpine Salix Shrubs to Long-Term Browsing Varies with Elevation and Herbivore Density
• Regional-scale alteration of clear-cut forest regeneration caused by moose browsing
• Browsing interacts with climate to determine tree‐ring increment
• Growth limitation of mountain birch caused by sheep browsing at the altitudinal treeline
• Plant community properties predict vegetation resilience to herbivore disturbance in the Arctic
• Predicting Habitat Utilization and Extent of Ecosystem Disturbance by an Increasing Herbivore Population
• Local temperatures inferred from plant communities suggest strong spatial buffering of climate warming across Northern Europe
• Experimental evidence for herbivore limitation of the treeline
• Spatiotemporal monitoring of the rare northern dragonhead (Dracocephalum ruyschiana, Lamiaceae) — SNP genotyping and environmental niche modeling herbarium specimens
• Spatial patterns of phylogenetic and species diversity of fennoscandian vascular plants in protected areas
• Spatial patterns of phylogenetic and species diversity of Fennoscandian vascular plants in protected areas
• Tardigrade diversity and community composition across Norwegian boreal forests
• The potential area of occupancy of non-native plants across a warming high-Arctic archipelago: Implications for strategic biosecurity management
• The role of evolutionary processes in determining trophic structure
• Invasive plants grow taller under experimental warming, but mediated effects of biotic interactions are species‐specific
• Long‐term trends in global flowering phenology
• Horizon scanning of potential invasive alien plant species and their distribution in Norway under a changing climate