Lecture

• Töpper, Joachim Paul; Chipperfield, Joseph; Lewis, Robert John et al. (2026). ECoMAP - biodiversitetskart for forvaltningen. (external link)
• Töpper, Joachim Paul; Töpper, Birte (2025). A nature journey through the US West. (external link)
• Töpper, Joachim Paul (2025). ECoMAP og COOP4CBD. (external link)
• Töpper, Joachim Paul; Eriksen, Vegard; Holtom, James Klauset (2025). Nature on the map?. (external link)
• Töpper, Joachim Paul; Chipperfield, Joseph; Lewis, Robert et al. (2025). ECoMAP - hvor finner vi kunnskap om naturmangfold. (external link)
• Töpper, Joachim Paul; Koeijer, Han de (2024). The KM-GBF monitoring framework –status & key messages. (external link)
• Töpper, Joachim Paul (2024). The KM-GBF monitoring framework - process & status of development. (external link)
• Töpper, Joachim Paul (2024). Naturtap, -regnskap, -nøytralitet, -restaurering. (external link)
• Töpper, Joachim Paul (2024). Hvordan går det med naturen i Norge?. (external link)
• Töpper, Joachim Paul (2024). Modelling Ecological state and Condition Maps to support knowledge-based decision-making in Area management and spatial Planning. (external link)
• Töpper, Joachim Paul (2024). Process and status of development of the monitoring framework for the Kunming-Montreal Global Biodiversity Framework. (external link)
• Töpper, Joachim Paul (2024). KM-GBF indicators from an ecologist’s point of view. (external link)
• Töpper, Joachim Paul (2024). Natur - areal og tilstand. (external link)
• Töpper, Joachim Paul; Chipperfield, Joseph (2024). Natur – areal og tilstand. (external link)
• Töpper, Joachim Paul; Venter, Alexander Samuel (2024). AI-kartlegging over nedbygd natur. (external link)
• Vandvik, Vigdis; Töpper, Joachim Paul; Velle, Liv Guri et al. (2024). Modelling Ecological State and Condition to support knowledge-based decision-making in Area Management and spatial Planning (ECoMAP). (external link)
• Gaudard, Joseph; Rechsteiner, Aud Helen Halbritter; Töpper, Joachim Paul et al. (2023). Carbon fluxes in alpine grasslands. (external link)
• Gaudard, Joseph; Rechsteiner, Aud Helen Halbritter; Töpper, Joachim Paul et al. (2023). Mitigation effects of grazing on climate change impacts in alpine grasslands. (external link)
• Töpper, Joachim Paul; Framstad, Erik; Jakobsson, Simon et al. (2023). A large-scale assessment of ecological condition in Norwegian forest and mountain ecosystems. (external link)
• Töpper, Joachim Paul; Framstad, Erik; Kolstad, Anders Lorentzen et al. (2022). Ecological condition in Norwegian forest and mountain ecosystems. (external link)
• Töpper, Joachim Paul; Velle, Liv Guri; Vandvik, Vigdis et al. (2022). Modelling Ecological state and Condition Maps to support knowledge-based decision-making in Area management and spatial Planning. (external link)
• Töpper, Joachim Paul; Velle, Liv Guri; Vandvik, Vigdis et al. (2022). Modelled ecological data as support for area management. (external link)
• Töpper, Joachim Paul; Framstad, Erik; Jakobsson, Simon et al. (2022). Ecological condition accounting for forest and mountain ecosystems in Norway. (external link)
• Töpper, Joachim Paul (2022). Hva tåler naturen. (external link)
• Töpper, Joachim Paul (2021). The Index-Based Ecological Condition Assessment (IBECA). (external link)
• Töpper, Joachim Paul; Chipperfield, Joseph (2021). ECoMAP - Modelling Ecological state and Condition Maps to support knowledge-based decision-making in Area management and spatial Planning. (external link)
• Töpper, Joachim Paul (2021). Hva tåler naturen. (external link)
• Töpper, Joachim Paul; Vandvik, Vigdis; Velle, Liv Guri (2021). ECoMAP - Modelling Ecological state and Condition Maps to support knowledge-based decision-making in Area management and spatial Planning. (external link)
• Töpper, Joachim Paul; Chipperfield, Joseph (2021). ECoMAP - Modelling Ecological state and Condition Maps to support knowledge-based decision-making in Area management and spatial Planning. (external link)
• Töpper, Joachim Paul; Vandvik, Vigdis; Velle, Liv Guri (2021). ECoMAP - Modelling Ecological state and Condition Maps to support knowledge- based decision-making in Area management and spatial Planning. (external link)
• Töpper, Joachim Paul; Moorter, Bram Van; Panzacchi, Manuela et al. (2021). Next-generation decision support for area management. (external link)
• Töpper, Joachim Paul; Gya, Ragnhild (2020). Workshop for å utvikle undervisningsopplegg på forskningen vår om fjellplanter og klimanedringer på faglig pedagogisk dag ved UiB. (external link)
• Töpper, Joachim Paul; Velle, Liv Guri; Vandvik, Vigdis (2019). Assessing ecological state by combining plant community data with species functional attributes. (external link)
• Skarpaas, Olav; Töpper, Joachim Paul; Nilsen, Erlend Birkeland et al. (2018). Dataflyt og modellering av indikatorer for naturindeksen - planter. (external link)

Report

• Jokerud, Mari; Arnberg, Mie Prik; Töpper, Joachim Paul (2026). Habitatsspesifikke arter. Forslag til Miljødirektoratets kartleggingsinstruks. (external link)
• Jokerud, Mari; Olsen, Siri Lie; Solstad, Heidi et al. (2025). Analyser av kartlegging utført etter Miljødirektoratets kartleggingsinstruks. Lærdom fra de siste seks årene, 2018-2024. (external link)
• Nybø, Signe; Kolstad, Anders Lorentzen; Czúcz, Bálint et al. (2025). Nasjonal pilot for økologisk tilstandsregnskap. (external link)
• Lyngstad, Anders; Asplund, Ulrika Jansson; Bengtsson, Fia et al. (2025). Arealrepresentativ naturovervåking av våtmark. Forslag til overvåkingsprogram. (external link)
• Evju, Marianne; Gray, Andrew; Mienna, Ida Marielle et al. (2025). Overvåking av åpen grunnlendt kalkmark i 2025: Gjenbesøk og fjernmåling. Anbefalinger for videre overvåking. (external link)
• Mienna, Ida Marielle; Töpper, Joachim Paul; Tingstad, Lise et al. (2025). Uttesting av metodikk for innsamling av bakkesannheter i forbindelse med arealrepresentativ naturovervåking (ANO). (external link)
• Bjørkvoll, Eirin Marie; Kolstad, Anders Lorentzen; Töpper, Joachim Paul et al. (2025). Indeksmetoden for vurdering av økologisk tilstand (IBECA). Teknisk protokoll, versjon 2.0. (external link)
• Herfindal, Ivar; Perrin, Sam; Adjei, Kwaku Peprah et al. (2025). Modellering av heildekkande kart over artsmangfald – Betre kunnskap for arealbasert forvaltning av natur. (external link)
• Finstad, Anders Gravbrøt; Perrin, Sam Wenaas; Adjei, Kwaku Peprah et al. (2025). Arbeidsflyt for modellering av heildekkande utbreiingskart for artsmangfald. (external link)
• Kolstad, Anders Lorentzen; Töpper, Joachim Paul; Evju, Marianne et al. (2025). ANO-moduler for havstrand, kystlynghei og myr. Forslag til ny overvåking. (external link)
• Sandercock, Brett Kevin; Chipperfield, Joseph; Cretois, Benjamin et al. (2025). Utility of occupancy and N-mixture models for modelling biodiversity dynamics with ecological monitoring programs in Norway. (external link)
• Skrindo, Astrid Brekke; Solstad, Heidi; Roos, Ruben Erik et al. (2025). Overvåking av åpen grunnlendt kalkmark rundt Oslofjorden. Resultater fra første omløp og anbefalinger for veien videre. (external link)
• Vukelic, Matea; Correa, Roberto J.; Kahilainen, Aapo et al. (2024). Requirements and capacity needs report and recommendations in relation to the monitoring framework for the Kunming-Montreal Global Biodiversity Framework. (external link)
• Finstad, Anders Gravbrøt; Herfindal, Ivar; Perrin, Sam Wenaas et al. (2024). Modellering av heildekkande utbreiingskart for arter: Bakgrunn, konsept og arbeidsflyt. (external link)
• Finstad, Anders Gravbrøt; Herfindal, Ivar; Perrin, Sam Wenaas et al. (2023). Modellering av heildekkande utbreiingskart for arter: Bakgrunn, konsept og arbeidsflyt. (external link)
• Evju, Marianne; Olsen, Siri Lie; Prestø, Tommy et al. (2023). Økologisk tilstand i naturlig åpne områder under skoggrensa. Bakgrunn, forslag til indikatorer og kunnskapsbehov. (external link)
• Sydenham, Markus A. K.; Myklebost, Heidi Elin; Jokerud, Mari et al. (2023). Kartlegging av naturtyper som bidrar med blomsterressurser og larvesubstrater til pollinerende insekter i Norge. (external link)
• Nybø, Signe; Kolstad, Anders Lorentzen; Sandvik, Hanno et al. (2023). Indikatorer for økologisk tilstand i våtmark, semi-naturlig mark og naturlig åpne områder under skoggrensa. (external link)
• Framstad, Erik; Eide, Nina Elisabeth; Eide, Wenche et al. (2022). Vurdering av økologisk tilstand for fjell i Norge i 2021. (external link)
• Framstad, Erik; Kolstad, Anders Lorentzen; Nybø, Signe et al. (2022). The condition of forest and mountain ecosystems in Norway. Assessment by the IBECA method. (external link)
• Framstad, Erik; Berglund, Håkan; Jacobsen, Rannveig Margrete et al. (2021). Vurdering av økologisk tilstand for skog i Norge i 2020. (external link)
• Hendrichsen, Ditte Katrine; Sandvik, Hanno; Töpper, Joachim Paul et al. (2020). Spredningsveier for fremmede arter i Norge. Kunnskapsstatus per 2019. (external link)
• Nybø, Signe; Framstad, Erik; Jakobsson, Simon et al. (2020). Økologisk tilstand og andre verktøy for å vurdere naturkvaliteter i terrestriske miljø. Datakilder og forvaltningsmål. (external link)
• Framstad, Erik; Bakkestuen, Vegar; Halvorsen, Rune et al. (2020). TOV etter 2020. Utvikling av TOV som økosystembasert overvåking. (external link)
• Töpper, Joachim Paul; Olsen, Siri Lie; Ihlen, Per Gerhard et al. (2019). Forekomst av kystfloke (Heterocladium wulfsbergii) og andre naturverdier ved Svandalsfossen, Sauda kommune. (external link)
• Nybø, Signe; Framstad, Erik; Jakobsson, Simon et al. (2019). Test av fagsystemet for økologisk tilstand for terrestriske økosystemer i Trøndelag. (external link)
• Tingstad, Lise; Evju, Marianne; Sickel, Hanne et al. (2019). Utvikling av nasjonal arealrepresentativ naturovervåking (ANO). Forslag til gjennomføring, protokoller og kostnadsvurderinger med utgangspunkt i erfaringer fra uttesting i Trøndelag. (external link)
• Skarpaas, Olav; Töpper, Joachim Paul; Nilsen, Erlend Birkeland et al. (2018). Dataflyt og modellering av indikatorer for naturindeksen. (external link)
• Töpper, Joachim Paul; Velle, Liv Guri; Vandvik, Vigdis (2018). Utvikling av metodikk for økologisk tilstandsvurdering basert på indikatorverdier etter Ellenberg og Grime (revidert utgave). (external link)
• Nybø, Signe; Evju, Marianne; Framstad, Erik et al. (2018). Operasjonalisering av fagsystem for økologisk tilstand for terrestriske økosystemer. Forslag til referanse- og grenseverdier for indikatorer som er klare eller nesten klare til bruk. (external link)
• Olsen, Siri Lie; Åström, Jens; Hendrichsen, Ditte Katrine et al. (2018). Fremmede karplanter i Norge: modellering av introduksjonsområder og nåværende utbredelse. (external link)
• Aarrestad, Per Arild; Bakkestuen, Vegar; Stabbetorp, Odd Egil et al. (2017). Miljøovervåkingsprogram for Ormen Lange landanlegg – Nyhamna, Gossa. Overvåking av vegetasjon og jord – endringer fra 2008 til 2016. (external link)
• Myklebost, Heidi Elin; Jokerud, Mari; Bendiksen, Egil et al. (2017). Evaluering av kartleggings- og verdisettingsmetodikk for naturtyper av nasjonal forvaltningsinteresse – NNF. Resultater fra verdikartlegging i 2017. (external link)

Other

• Finstad, Anders Gravbrøt; Chipperfield, Joseph; Grytnes, John-Arvid et al. (2025). Hotspots for arter. (external link)

Academic article

• Gaudard, Joseph; Telford, Richard James; Chacon‐Labella, Julia et al. (2025). fluxible: An R package to process ecosystem gas fluxes from closed‐loop chambers in an automated and reproducible way. (external link)
• Klimes, Adam; Chipperfield, Joseph; Töpper, Joachim Paul et al. (2025). ‘mixglm': an R package for estimation of stable states, tipping points, and ecosystem resilience using mixture models. (external link)
• Vloon, Catharina Caspara; Halvorsen, Rune; Nordbakken, Jørn-Frode et al. (2025). Vegetation Dynamics on a Boreal Raised Bog: Changes in Carpets, Lawns and Hummocks Towards Wetter Conditions Over a 34‐Year Period. (external link)
• Erkelenz, Joshua; Geange, Sonya R.; Atkinson, Joe et al. (2025). Intraspecific Functional Trait Responses to Experimental Warming Vary With Precipitation and Growth Form. (external link)
• Rydgren, Knut; Andersen, Roxane; Halvorsen, Rune et al. (2025). Restoration of formerly afforested blanket bog: Estimating time for vegetation recovery. (external link)
• Baudraz, Maude E. A.; Childs, Dylan Z.; Kelly, Ruth et al. (2025). Several candidate size metrics explain vital rates across multiple populations throughout a widespread species' range. (external link)
• Criado, Mariana García; Barrio, Isabel C.; Speed, James David Mervyn et al. (2025). Borealisation of Plant Communities in the Arctic Is Driven by Boreal‐Tundra Species. (external link)
• Czúcz, Bálint; Simensen, Trond; Skrindo, Astrid Brekke et al. (2025). No net loss accounting: Aligning biodiversity offsets with ecosystem accounts. (external link)
• Töpper, Joachim Paul; Hoeks, Selwyn; Hartig, Florian et al. (2025). Advancing general ecosystem models (GEMs): towards a mechanistic understanding of the biosphere in the light of the Anthropocene. (external link)
• Aavik, Tsipe; Reitalu, Triin; Kivastik, Marianne et al. (2025). A pan-European citizen science study shows population size, climate and land use are related to biased morph ratios in the heterostylous plant Primula veris. (external link)
• Landor, Lotta Anni Ingeborg; Tjendra, Jesslyn; Erstad, Karen et al. (2024). At what cost? The impact of bacteriophage resistance on the growth kinetics and protein synthesis of Escherichia coli. (external link)
• Bektaş, Billur; Chisholm, Chelsea; Egelkraut, Dagmar Dorothea et al. (2024). Colonization and extinction lags drive non-linear responses to warming in mountain plant communities across the Northern Hemisphere. (external link)
• Maes, S.L.; Dietrich, J.; Midolo, G. et al. (2024). Environmental drivers of increased ecosystem respiration in a warming tundra. (external link)
• Dahle, Ingrid Johnsen; Gya, Ragnhild; Töpper, Joachim Paul et al. (2024). Are sub-alpine species' seedling emergence and establishment in the alpine limited by climate or biotic interactions?. (external link)
• Gya, Ragnhild; Geange, Sonya Rita; Lynn, Joshua et al. (2023). A test of local adaptation to drought in germination and seedling traits in populations of two alpine forbs across a 2000 mm/year precipitation gradient. (external link)
• Sandvik, Hanno; Olsen, Siri Lie; Töpper, Joachim Paul et al. (2022). Pathways of introduction of alien species in Norway: Analyses of an exhaustive dataset to prioritise management efforts. (external link)
• Jakobsson, Simon; Evju, Marianne; Framstad, Erik et al. (2021). Introducing the index-based ecological condition assessment framework (IBECA). (external link)
• Mayers, Kyle; Lawrence, Janice; Skaar, Katrine Sandnes et al. (2021). Removal of large viruses and their dispersal through fecal pellets of the appendicularian Oikopleura dioica during Emiliania huxleyi bloom conditions. (external link)
• Villellas, Jesus; Ehrlén, Johan; Crone, Elizabeth E. et al. (2021). Phenotypic plasticity masks range- wide genetic differentiation for vegetative but not reproductive traits in a short- lived plant. (external link)
• Smith, Annabel L.; Hodkinson, Trevor R.; Villellas, Jesus et al. (2020). Global gene flow releases invasive plants from environmental constraints on genetic diversity. (external link)
• Guittar, John; Goldberg, Deborah; Klanderud, Kari et al. (2020). Quantifying the roles of seed dispersal, filtering, and climate on regional patterns of grassland biodiversity. (external link)
• Rydgren, Knut; Austad, Ingvild; Hamre, Liv Norunn et al. (2020). Wooded hay meadows as viable production systems in sustainable small-scale farming. (external link)
• Jakobsson, Simon; Töpper, Joachim Paul; Evju, Marianne et al. (2020). Setting reference levels and limits for good ecological condition in terrestrial ecosystems – Insights from a case study based on the IBECA approach. (external link)
• Rechsteiner, Aud Helen Halbritter; Boeck, Hans J. De; Eycott, Amy Elizabeth et al. (2019). The handbook for standardized field and laboratory measurements in terrestrial climate change experiments and observational studies (ClimEx). (external link)
• Rydgren, Knut; Auestad, Inger; Halvorsen, Rune et al. (2019). Assessing restoration success by predicting time to recovery- But by which metric?. (external link)
• Benevenuto, Rafael Fonseca; Hegland, Stein Joar; Töpper, Joachim Paul et al. (2018). Multiannual effects of induced plant defenses: Are defended plants good or bad neighbors?. (external link)
• Cui, Haijun; Töpper, Joachim Paul; Yang, Yan et al. (2018). Plastic population effects and conservative leaf traits in a reciprocal transplant experiment simulating climate warming in the himalayas. (external link)
• Töpper, Joachim Paul; Meineri, Eric Pierre F; Olsen, Siri Lie et al. (2018). The devil is in the detail: nonadditive and context-dependent plant population responses to increasing temperature and precipitation. Plant demography in a warmer & wetter climate. (external link)
• Klanderud, Kari; Meineri, Eric Pierre F; Töpper, Joachim Paul et al. (2017). Biotic interaction effects on seedling recruitment along bioclimatic gradients: testing the stress-gradient hypothesis. (external link)
• Seldal, Tarald; Hegland, Stein Joar; Rydgren, Knut et al. (2017). How to induce defense responses in wild plant populations? Using bilberry (Vaccinium myrtillus) as example. (external link)
• Sandaa, Ruth-Anne; Pree, Bernadette; Larsen, Aud et al. (2017). The response of heterotrophic prokaryote and viral communities to labile organic carbon inputs is controlled by the predator food chain structure. (external link)
• Lawrence, Janice; Töpper, Joachim Paul; Petelenz-Kurdziel, Elzbieta Anna et al. (2017). Viruses on the menu: The appendicularian Oikopleura dioica efficiently removes viruses from seawater. (external link)
• Lawrence, Janice; Töpper, Joachim Paul; Petelenz-Kurdziel, Elzbieta Anna et al. (2017). Viruses on the menu: The appendicularian Oikopleura dioica efficiently removes viruses from seawater. (external link)
• Skarpaas, Olav; Meineri, Eric Pierre F; Bargmann, Tessa et al. (2016). Biomass partitioning in grassland plants along independent gradients in temperature and precipitation. (external link)
• Olsen, Siri Lie; Töpper, Joachim Paul; Skarpaas, Olav et al. (2016). From facilitation to competition: temperature-driven shift in dominant plant interactions affects population dynamics in seminatural grasslands. (external link)
• Vandvik, Vigdis; Elven, Reidar; Töpper, Joachim Paul (2016). Seedling recruitment in subalpine grassland forbs: Predicting field regeneration behaviour from lab germination responses. (external link)
• Vandvik, Vigdis; Klanderud, Kari; Meineri, Eric Pierre F et al. (2016). Seed banks are biodiversity reservoirs: Species-area relationships above versus below ground. (external link)
• Meineri, Eric Pierre F; Skarpaas, Olav; Töpper, Joachim Paul et al. (2014). Direct and size-dependent effects of climate on flowering performance in alpine and lowland herbaceous species. (external link)
• Rydgren, Knut; Halvorsen, Rune; Töpper, Joachim Paul et al. (2014). Glacier foreland succession and the fading effect of terrain age. (external link)
• Vandvik, Vigdis; Töpper, Joachim Paul; Cook, Zoë et al. (2014). Management-driven evolution in a domesticated ecosystem. (external link)
• Auestad, Inger; Rydgren, Knut; Spindelbøck, Joachim (2013). Management history affects grassland seed bank build-up. (external link)
• Spindelbøck, Joachim Paul; Cook, Zöe; Daws, Matthew I. et al. (2013). Conditional cold avoidance drives between-population variation in germination behaviour in Calluna vulgaris. (external link)
• Meineri, Eric Pierre F; Spindelbøck, Joachim Paul; Vandvik, Vigdis (2013). Seedling emergence responds to both seed source and recruitment site climates: a climate change experiment combining transplant and gradient approaches. (external link)
• Spindelböck, Joachim; Olsen, Siri Lie (2013). Forlenget hvile hos tre vanlige norske plantearter: strategi eller kostnad?. (external link)
• Marcante, Silvia; Sierra-Almeida, Angela; Spindelbøck, Joachim et al. (2012). Frost as a limiting factor for recruitment and establishment of early development stages in an alpine glacier foreland?. (external link)
• Ray, Jessica Louise; Tøpper, Birte; An, Shu et al. (2012). Effect of increased pCO2 on bacterial assemblage shifts in response to glucose addition in Fram Strait seawater mesocosms. (external link)
• Måren, Inger Elisabeth; Janovský, Zdenek; Spindelbøck, Joachim Paul et al. (2010). Prescribed burning of northern heathlands: Calluna vulgaris germination cues and seed-bank dynamics. (external link)
• Måren, Inger Elisabeth; Janovský, Zdenek; Spindelbøck, Joachim Paul et al. (2009). Prescribed burning of northern heathlands: Calluna vulgaris germination cues and seed-bank dynamics. (external link)

Poster

• Aarrestad, Helene; Armendariz, Mikel Moriana; Töpper, Joachim Paul et al. (2025). Thermophilization and ecosystem changes on mountain summits in Filefjell, Norway. (external link)
• Rydgren, Knut; Andersen, Roxane; Halvorsen, Rune et al. (2025). Restoration of formerly afforested blanket bog: how long does vegetation recovery take.. (external link)
• Silvennoinen, Hanna Marika; Hauge, Katrine Broch; Grygoruk, Mateusz et al. (2025). Boreal Sphagnum farming for increased biodiversity and decreased greenhouse gas emissions. (external link)
• Silvennoinen, Hanna Marika; Hauge, Katrine Broch; Grygoruk, Mateusz et al. (2025). Boreal Sphagnum farming for increased biodiversity and decreased greenhouse gas emissions. (external link)
• Töpper, Joachim Paul; Chipperfield, Joseph; Lewis, Robert John et al. (2025). Distribution models for terrestrial Norwegian species - towards automation and updatable downscaled maps. (external link)
• Töpper, Joachim Paul; Chipperfield, Joseph; Lewis, Robert et al. (2025). Automated and updateable species distribution models for Norway. (external link)
• Armendariz, Mikel Moriana; Olsen, Siri Lie; Gya, Ragnhild et al. (2024). Effects of warming and species introduction in an alpine grassland. (external link)
• Zernichow, Camilla; Gya, Ragnhild; Töpper, Joachim Paul et al. (2022). Effects of warming and novel plant interactions on alpine plant diversity. (external link)
• Gya, Ragnhild; Töpper, Joachim Paul; Olsen, Siri Lie et al. (2022). Population dynamics of two alpine species in response to transplant, removal and warming experiments. (external link)
• Gaudard, Joseph; Rechsteiner, Aud Helen Halbritter; Töpper, Joachim Paul et al. (2022). Carbon fluxes response to warming in alpine grasslands. (external link)
• Gaudard, Joseph; Rechsteiner, Aud Helen Halbritter; Töpper, Joachim Paul et al. (2022). Effect of warming on carbon fluxes in alpine grasslands. (external link)
• Søgaard, L.; Gya, Ragnhild; Töpper, Joachim Paul et al. (2020). Resource allocation in plants under different climatic conditions. (external link)
• Rydgren, Knut; Austad, Ingvild; Hamre, Liv Norunn et al. (2020). Wooded hay meadows as viable production systems. (external link)
• Vandvik, Vigdis; Töpper, Joachim Paul; Alexander, Jake M. et al. (2019). INCLINE: Indirect climate change impacts on alpine plant communities. (external link)
• Egelkraut, Dagmar; Vandvik, Vigdis; Alexander, Jake M. et al. (2019). The mountain TransPlant Network. (external link)
• Mayers, Kyle; Lawrence, Janice; Töpper, Joachim Paul et al. (2019). Trophic interactions between filter-feeding mesozooplankton and the Emiliania huxleyi virus. (external link)
• Måren, Inger Elisabeth; Bargmann, Tessa; Töpper, Joachim Paul et al. (2014). Management-driven evolution in a domesticated ecosystem; heathlands. (external link)
• Spindelböck, Joachim; Daws, Matthew I.; Cook, Zöe et al. (2009). Heather and germination – climate matters. (external link)
• Måren, Inger Elisabeth; Janovský, Zdenek; Spindelböck, Joachim et al. (2009). Prescribed burning of northern heathlands: Calluna vulgaris and germination cues. (external link)
• Spindelböck, Joachim; Daws, Matthew I.; Cook, Zöe et al. (2009). Heather and germination – climate matters. (external link)

Academic lecture

• Naas, Adam Eindride; Simensen, Trond; Keetz, Lasse Torben et al. (2025). Ecosystem distribution models to support area management – a case study from Norway. (external link)
• Rydgren, Knut; Andersen, Roxane; Halvorsen, Rune et al. (2025). Restoration of previously afforested blanket bogs in the Flow Country: how long does vegetation recovery take?. (external link)
• Töpper, Joachim Paul; Armendariz, Mikel Moriana; Gya, Ragnhild et al. (2025). Plot-scale homogenization of alpine vegetation masks loss of rare species under warming and colonization from competitive lowland species. (external link)
• Gaudard, Joseph; Trepel, Jonas; Dawson, Hilary Rose et al. (2025). Fluxible: an R package to calculate ecosystem gas fluxes from closed loop chamber systems in a reproducible and automated workflow. (external link)
• Töpper, Joachim Paul; Chipperfield, Joseph; Lewis, Robert et al. (2025). Automated and updateable species distribution models for Norway. (external link)
• Bryn, Anders; Halvorsen, Rune; Horvath, Peter et al. (2025). Ecosystem distribution models to support area management - a case study from Norway. (external link)
• Töpper, Joachim Paul (2024). The Kunming-Montreal Global Biodiversity Framework (KM-GBF) - Status after COP16. (external link)
• Töpper, Joachim Paul; Chipperfield, Joseph (2023). Modelling of biodiversity hotspot maps. (external link)
• Lieungh, Eva; Yilmaz, Yeliz; Tang, Hui et al. (2023). Complementary field and modelling experiments: alpine vegetation under climate warming. (external link)
• Töpper, Joachim Paul; Framstad, Erik; Jakobsson, Simon et al. (2022). A large-scale assessment of ecological condition in Norwegian forest and mountain ecosystems. (external link)
• Berthelsen, Susanne; Töpper, Joachim Paul; Gya, Ragnhild et al. (2022). Alpine flower production under warming and novel competitors. (external link)
• Töpper, Joachim Paul; Eide, Nina Elisabeth; Eide, Wenche et al. (2022). Ecological condition in Norwegian mountain ecosystems. (external link)
• Gya, Ragnhild; Geange, Sonya Rita; Lynn, Joshua Scott et al. (2022). A test of local adaptation to drought in germination and seedling traits in populations of two alpine forbs across a 2000 mm/year precipitation gradient. (external link)
• Gaudard, Joseph; Rechsteiner, Aud Helen Halbritter; Vandvik, Vigdis et al. (2022). Could grazing be the answer to the climate change induced loss of carbon storage in alpine grasslands?. (external link)
• Velle, Liv Guri; Töpper, Joachim Paul; Chipperfield, Joseph et al. (2022). ECoMAP: Modelling Ecological state and Condition Maps to support knowledge-based decision-making in Area management and spatial Planning. (external link)
• Töpper, Joachim Paul; Bargmann, Tessa Bahiga; Jakobsson, Simon et al. (2022). Estimating Ecological Condition Using Spatial and Temporal Approaches. (external link)
• Velle, Liv Guri; Töpper, Joachim Paul; Chipperfield, Joseph et al. (2022). ECoMAP: Modelling Ecological state and Condition Maps to support knowledge-based decision-making in Area management and spatial Planning. (external link)
• Gya, Ragnhild; Geange, Sonya Rita; Lynn, Joshua Scott et al. (2021). A test of local adaptation to drought in germination and seedling traits in populations of two alpine forbs across a 2000 mm/year precipitation gradient. (external link)
• Velle, Liv Guri; Töpper, Joachim Paul; Vandvik, Vigdis (2021). ECoMAP. An introduction of the project: Modelling Ecological state and Condition Maps to support knowledge-based decision-making in Areal management and spatial Planning. (external link)
• Mayers, Kyle; Lawrence, Janice; Töpper, Joachim Paul et al. (2020). Interactions between the filter-feeding appendicularian Oikopleura dioica and the abundance and fate of marine viruses​. (external link)
• Töpper, Joachim Paul (2019). Biologisk mangfold i en verden i endring. (external link)
• Töpper, Joachim Paul; Meineri, Eric Pierre F; Olsen, Siri Lie et al. (2018). The devil is in the detail: non-additive and context- dependent plant population responses to increasing temperature and precipitation. (external link)
• Vandvik, Vigdis; Althuizen, Inge; Goldberg, Deborah E et al. (2018). Using experimental macroecology to assess climate change impacts on plants. (external link)
• Vandvik, Vigdis; Althuizen, Inge; Goldberg, Deborah E et al. (2018). Ecosystem responses and feedbacks to climate change - lessons from terrestrial ecology?. (external link)
• Olsen, Siri Lie; Töpper, Joachim Paul; Gya, Ragnhild et al. (2018). INCLINE: Indirect climate change impacts on alpine plant communities. (external link)
• Rydgren, Knut; Halvorsen, Rune; Töpper, Joachim Paul et al. (2018). ORBA - a new approach to predict time to recovery in restoration ecology. (external link)
• Vandvik, Vigdis; Althuizen, Inge; Goldberg, Deborah E et al. (2017). Integrating experimental and gradient approaches to study CC impacts on plants. (external link)
• Vandvik, Vigdis; Althuizen, Inge; Jaroszynska, Francesca Orinda Holl et al. (2017). Konsekvenser av klimaendringer: Hva skjer når fjellplanter flyttes til et varmere og våtere klima?. (external link)
• Vandvik, Vigdis; Klanderud, Kari; Skarpaas, Olav et al. (2017). Integrating experimental and gradient approaches to assess climate change impacts on plants populations and communities.. (external link)
• Vandvik, Vigdis; Bargmann, Tessa; Bruvoll, Sigrid Skrivervik et al. (2017). A burning issue: Ecological and evolutionary imprints of climate and land-use in coastal heathlands in Western Norway. (external link)
• Rydgren, Knut; Auestad, Inger; Halvorsen, Rune et al. (2017). Restoring ecosystems: an evaluation of methods for predicting time to recovery. (external link)
• Vandvik, Vigdis; Rechsteiner, Aud Helen Halbritter; Måren, Inger Elisabeth et al. (2017). Eco-climatological experiments in the field and in the laboratory. (external link)
• Vandvik, Vigdis; Töpper, Joachim Paul; Skarpaas, Olav et al. (2016). Integrating experimental and gradient approaches to climate change impacts on plant populations and communities: experiences, insights, and ways forward.. (external link)
• Olsen, Siri Lie; Töpper, Joachim Paul; Skarpaas, Olav et al. (2015). From facilitation to competition: temperature-driven shift in dominant plant interactions affects population dynamics in semi-natural grasslands across the treeline ecotone. (external link)
• Töpper, Joachim Paul; Meineri, Eric Pierre F; Olsen, Siri Lie et al. (2015). Digging climate change? The fate of four common herbs transplanted along temperature and precipitation gradients in Norway. (external link)
• Olsen, Siri Lie; Töpper, Joachim Paul; Skarpaas, Olav et al. (2015). From facilitation to competition: temperature-driven shift in dominant plant interactions affects population dynamics in semi-natural grasslands. (external link)
• Olsen, Siri Lie; Töpper, Joachim Paul; Skarpaas, Olav et al. (2014). Plant-plant interactions vary with climate: population dynamics of four Norwegian plant species. (external link)
• Olsen, Siri Lie; Töpper, Joachim Paul; Skarpaas, Olav et al. (2014). Shift from facilitation to competition driven by climate-related changes in plant population dynamics. (external link)
• Vandvik, Vigdis; Spindelböck, Joachim; Cook, Zöe et al. (2012). Smoke-induced germination in coastal Calluna heathlands: a case of management-induced evolution?. (external link)
• Vandvik, Vigdis; Berge, Anne Marie; Klanderud, Kari et al. (2009). Soil seed banks – biodiversity refuges or spillover from the extant vegetation?. (external link)

Editorial

• Gya, Ragnhild; Birkeli, Kristine; Dahle, Ingrid Johnsen et al. (2023). Registered Reports: A new chapter at Ecology & Evolution. (external link)

Article in business/trade/industry journal

• Töpper, Joachim Paul; Bakkestuen, Vegar; Evju, Marianne et al. (2023). Fire tiår med og for naturen – Per Arild Aarrestad. (external link)

Doctoral dissertation

• Gya, Ragnhild; Vandvik, Vigdis; Töpper, Joachim Paul (2022). Disentangling effects and context dependencies of climate change on alpine plant. (external link)
• Töpper, Joachim Paul; Vandvik, Vigdis; Rydgren, Knut et al. (2015). Predicting and assessing climate-change impacts on the population dynamics of alpine and lowland forbs. (external link)

Masters thesis

• Berthelsen, Susanne; Töpper, Joachim Paul; Gya, Ragnhild (2022). The neighborhood matters: warming and novel competitors alter flower production of alpine plants. (external link)
• Dahle, Ingrid Johnsen; Töpper, Joachim Paul; Gya, Ragnhild (2021). Can lowland species germinate and establish in alpine locations?. (external link)
• Søgaard, Lasse; Töpper, Joachim Paul; Vandvik, Vigdis et al. (2020). The effects of climate on resource allocation and traits of alpine and boreal herbaceous plants. (external link)
• Pötsch, Christine; Vandvik, Vigdis; Skarpaas, Olav et al. (2010). Resource allocation in two selected Carex species along climate gradients. (external link)

Popular scientific article

• Töpper, Joachim Paul; Evju, Marianne; Tingstad, Lise (2021). Oppgrader spaserturen i vårsolen til en artig forskningstur!. (external link)
• Olsen, Siri Lie; Hamre, Liv Norunn; Skarpaas, Olav et al. (2020). Fremmede arter får superkrefter. (external link)
• Töpper, Joachim Paul; Gya, Ragnhild (2018). Vi har gitt fjellplantene nye, kjipe naboer i sommer. (external link)
• Töpper, Joachim Paul (2018). «Pappa, hvorfor blir bladene gule om høsten?». (external link)
• Klanderud, Kari; Skarpaas, Olav; Olsen, Siri Lie et al. (2015). Fjellplantene taper konkurransen i et varmere og våtere klima: kan beitedyr være redningen?. (external link)

Chapter

• Olsen, Siri Lie; Aarrestad, Per Arild; Bakkestuen, Vegar et al. (2021). Vegetasjonsundersøkelser i boreal bjørkeskog i Børgefjell nasjonalpark. (external link)
• Bakkestuen, Vegar; Aarrestad, Per Arild; Olsen, Siri Lie et al. (2019). Vegetasjonsundersøkelser av boreal bjørkeskog i Møsvatn. (external link)
• Aarrestad, Per Arild; Bakkestuen, Vegar; Töpper, Joachim Paul et al. (2017). Vegetasjonsundersøkelser av boreal bjørkeskog i Lund og Åmotsdalen. (external link)

Feature article

• Jeno, Lucas Matias; Töpper, Joachim Paul; Vandvik, Vigdis (2019). Hvis klimakonkurransen skal fungere, er det noen ting man bør tenke på. (external link)
• Töpper, Joachim Paul; Blaalid, Rakel (2017). Er Rhododendron en trussel mot norsk natur?. (external link)

Academic literature review

• Rydgren, Knut; Halvorsen, Rune; Töpper, Joachim Paul et al. (2019). Advancing restoration ecology: A new approach to predict time to recovery. (external link)

See a complete overview of publications in Cristin.