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Joachim Paul Töpper's picture

Joachim Paul Töpper

Associate Professor
  • E-mailJoachim.Topper@uib.no
  • Phone+47 402 84 633
  • Visitor Address
    Thormøhlens gate 53 A/B
  • Postal Address
    Postboks 7803
    5020 Bergen
Academic article
  • Show author(s) (2021). Removal of large viruses and their dispersal through fecal pellets of the appendicularian Oikopleura dioica during Emiliania huxleyi bloom conditions. Limnology and Oceanography.
  • Show author(s) (2021). Phenotypic plasticity masks range- wide genetic differentiation for vegetative but not reproductive traits in a short- lived plant. Ecology Letters. 1-16.
  • Show author(s) (2021). Introducing the index-based ecological condition assessment framework (IBECA). Ecological Indicators. 12 pages.
  • Show author(s) (2020). Wooded hay meadows as viable production systems in sustainable small-scale farming. Agroforestry Systems.
  • Show author(s) (2020). Setting reference levels and limits for good ecological condition in terrestrial ecosystems – Insights from a case study based on the IBECA approach. Ecological Indicators. 6 pages.
  • Show author(s) (2020). Quantifying the roles of seed dispersal, filtering, and climate on regional patterns of grassland biodiversity. Ecology. 13 pages.
  • Show author(s) (2020). Global gene flow releases invasive plants from environmental constraints on genetic diversity. Proceedings of the National Academy of Sciences of the United States of America.
  • Show author(s) (2019). The handbook for standardized field and laboratory measurements in terrestrial climate change experiments and observational studies (ClimEx). Methods in Ecology and Evolution. 22-37.
  • Show author(s) (2019). Assessing restoration success by predicting time to recovery- But by which metric? Journal of Applied Ecology.
  • Show author(s) (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. Global Change Biology. 4657-4666.
  • Show author(s) (2018). Plastic population effects and conservative leaf traits in a reciprocal transplant experiment simulating climate warming in the himalayas. Frontiers in Plant Science. 1-11.
  • Show author(s) (2018). Multiannual effects of induced plant defenses: Are defended plants good or bad neighbors? . Ecology and Evolution. 8940-8950.
  • Show author(s) (2017). Viruses on the menu: The appendicularian Oikopleura dioica efficiently removes viruses from seawater. Limnology and Oceanography. S244-S253.
  • Show author(s) (2017). Viruses on the menu: The appendicularian Oikopleura dioica efficiently removes viruses from seawater. Limnology and Oceanography.
  • Show author(s) (2017). The response of heterotrophic prokaryote and viral communities to labile organic carbon inputs is controlled by the predator food chain structure. Viruses. 1-15.
  • Show author(s) (2017). How to induce defense responses in wild plant populations? Using bilberry (Vaccinium myrtillus) as example. Ecology and Evolution. 1762-1769.
  • Show author(s) (2017). Biotic interaction effects on seedling recruitment along bioclimatic gradients: testing the stress-gradient hypothesis. Journal of Vegetation Science (JVS). 347-356.
  • Show author(s) (2016). Seedling recruitment in subalpine grassland forbs: Predicting field regeneration behaviour from lab germination responses. Botany. 73-88.
  • Show author(s) (2016). Seed banks are biodiversity reservoirs: Species-area relationships above versus below ground. Oikos. 218-228.
  • Show author(s) (2016). From facilitation to competition: temperature-driven shift in dominant plant interactions affects population dynamics in seminatural grasslands. Global Change Biology. 1915-1926.
  • Show author(s) (2016). Biomass partitioning in grassland plants along independent gradients in temperature and precipitation. Perspectives in plant ecology, evolution and systematics. 1-11.
  • Show author(s) (2014). Management-driven evolution in a domesticated ecosystem. Biology Letters.
  • Show author(s) (2014). Glacier foreland succession and the fading effect of terrain age. Journal of Vegetation Science (JVS). 1367-1380.
  • Show author(s) (2014). Direct and size-dependent effects of climate on flowering performance in alpine and lowland herbaceous species. Journal of Vegetation Science (JVS). 275-286.
  • Show author(s) (2013). Seedling emergence responds to both seed source and recruitment site climates: a climate change experiment combining transplant and gradient approaches. Plant Ecology. 607-619.
  • Show author(s) (2013). Management history affects grassland seed bank build-up. Plant Ecology. 1467-1477.
  • Show author(s) (2013). Forlenget hvile hos tre vanlige norske plantearter: strategi eller kostnad? Blyttia : Norsk botanisk forenings tidsskrift. 235-240.
  • Show author(s) (2013). Conditional cold avoidance drives between-population variation in germination behaviour in Calluna vulgaris. Annals of Botany. 801-810.
  • Show author(s) (2012). Frost as a limiting factor for recruitment and establishment of early development stages in an alpine glacier foreland? Journal of Vegetation Science (JVS). 858-868.
  • Show author(s) (2012). Effect of increased pCO2 on bacterial assemblage shifts in response to glucose addition in Fram Strait seawater mesocosms. FEMS Microbiology Ecology. 713-723.
  • Show author(s) (2010). Prescribed burning of northern heathlands: Calluna vulgaris germination cues and seed-bank dynamics. Plant Ecology. 245-256.
  • Show author(s) (2009). Prescribed burning of northern heathlands: Calluna vulgaris germination cues and seed-bank dynamics. Plant Ecology.
Report
  • Show author(s) (2021). Vurdering av økologisk tilstand for skog i Norge i 2020. 2000. 2000. .
  • Show author(s) (2021). The Index-Based Ecological Condition Assessment (IBECA) - Technical protocol, version 1.0. 1967. 1967. .
  • Show author(s) (2020). Økologisk tilstand og andre verktøy for å vurdere naturkvaliteter i terrestriske miljø. Datakilder og forvaltningsmål. 1902. 1902. .
  • Show author(s) (2020). TOV etter 2020. Utvikling av TOV som økosystembasert overvåking. 1877. 1877. .
  • Show author(s) (2020). Spredningsveier for fremmede arter i Norge. Kunnskapsstatus per 2019. 1735. 1735. .
  • Show author(s) (2019). Utvikling av nasjonal arealrepresentativ naturovervåking (ANO). Forslag til gjennomføring, protokoller og kostnadsvurderinger med utgangspunkt i erfaringer fra uttesting i Trøndelag. 1642. 1642. .
  • Show author(s) (2019). Test av fagsystemet for økologisk tilstand for terrestriske økosystemer i Trøndelag. 1672. 1672. .
  • Show author(s) (2019). Forekomst av kystfloke (Heterocladium wulfsbergii) og andre naturverdier ved Svandalsfossen, Sauda kommune. 1712. 1712. .
  • Show author(s) (2018). Utvikling av metodikk for økologisk tilstandsvurdering basert på indikatorverdier etter Ellenberg og Grime (revidert utgave). 1529b. 1529b. .
  • Show author(s) (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. 1536. 1536. .
  • Show author(s) (2018). Fremmede karplanter i Norge: modellering av introduksjonsområder og nåværende utbredelse. 1393. 1393. .
  • Show author(s) (2018). Dataflyt og modellering av indikatorer for naturindeksen. 1560. 1560. .
  • Show author(s) (2017). Miljøovervåkingsprogram for Ormen Lange landanlegg – Nyhamna, Gossa. Overvåking av vegetasjon og jord – endringer fra 2008 til 2016. 1348. 1348. .
  • Show author(s) (2017). Evaluering av kartleggings- og verdisettingsmetodikk for naturtyper av nasjonal forvaltningsinteresse – NNF. Resultater fra verdikartlegging i 2017. 1421. 1421. .
Lecture
  • Show author(s) (2021). The Index-Based Ecological Condition Assessment (IBECA) .
  • Show author(s) (2021). ECoMAP - Modelling Ecological state and Condition Maps to support knowledge-based decision-making in Area management and spatial Planning.
  • Show author(s) (2019). Assessing ecological state by combining plant community data with species functional attributes.
  • Show author(s) (2018). Dataflyt og modellering av indikatorer for naturindeksen - planter.
Popular scientific lecture
  • Show author(s) (2020). Workshop for å utvikle undervisningsopplegg på forskningen vår om fjellplanter og klimanedringer på faglig pedagogisk dag ved UiB.
Academic lecture
  • Show author(s) (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.
  • Show author(s) (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 gradien.
  • Show author(s) (2020). Interactions between the filter-feeding appendicularian Oikopleura dioica and the abundance and fate of marine viruses​.
  • Show author(s) (2019). Biologisk mangfold i en verden i endring.
  • Show author(s) (2018). Using experimental macroecology to assess climate change impacts on plants.
  • Show author(s) (2018). The devil is in the detail: non-additive and context- dependent plant population responses to increasing temperature and precipitation.
  • Show author(s) (2018). ORBA - a new approach to predict time to recovery in restoration ecology.
  • Show author(s) (2018). INCLINE: Indirect climate change impacts on alpine plant communities.
  • Show author(s) (2018). Ecosystem responses and feedbacks to climate change - lessons from terrestrial ecology?
  • Show author(s) (2017). Restoring ecosystems: an evaluation of methods for predicting time to recovery .
  • Show author(s) (2017). Konsekvenser av klimaendringer: Hva skjer når fjellplanter flyttes til et varmere og våtere klima? .
  • Show author(s) (2017). Integrating experimental and gradient approaches to study CC impacts on plants.
  • Show author(s) (2017). Integrating experimental and gradient approaches to assess climate change impacts on plants populations and communities.
  • Show author(s) (2017). Eco-climatological experiments in the field and in the laboratory.
  • Show author(s) (2017). A burning issue: Ecological and evolutionary imprints of climate and land-use in coastal heathlands in Western Norway.
  • Show author(s) (2016). Integrating experimental and gradient approaches to climate change impacts on plant populations and communities: experiences, insights, and ways forward.
  • Show author(s) (2015). From facilitation to competition: temperature-driven shift in dominant plant interactions affects population dynamics in semi-natural grasslands across the treeline ecotone.
  • Show author(s) (2015). From facilitation to competition: temperature-driven shift in dominant plant interactions affects population dynamics in semi-natural grasslands.
  • Show author(s) (2015). Digging climate change? The fate of four common herbs transplanted along temperature and precipitation gradients in Norway.
  • Show author(s) (2014). Shift from facilitation to competition driven by climate-related changes in plant population dynamics.
  • Show author(s) (2014). Plant-plant interactions vary with climate: population dynamics of four Norwegian plant species.
  • Show author(s) (2012). Smoke-induced germination in coastal Calluna heathlands: a case of management-induced evolution?
  • Show author(s) (2009). Soil seed banks – biodiversity refuges or spillover from the extant vegetation?
Database
  • Show author(s) (2021). European soil seed bank communities across a climate and land-cover gradient.
  • Show author(s) (2016). Data from: Seedling recruitment in subalpine grassland forbs: Predicting field regeneration behaviour from lab germination responses.
  • Show author(s) (2015). Data from: Seed banks are biodiversity reservoirs: species-area relationships above versus below ground.
  • Show author(s) (2014). Data from: Management-driven evolution in a domesticated ecosystem.
Popular scientific article
  • Show author(s) (2020). Fremmede arter får superkrefter. Plantepressa: blogginnlegg på forskning.no av botanikere ved Norsk institutt for naturforskning.
  • Show author(s) (2018). «Pappa, hvorfor blir bladene gule om høsten?». Plantepressa: blogginnlegg på forskning.no av botanikere ved Norsk institutt for naturforskning.
  • Show author(s) (2018). Vi har gitt fjellplantene nye, kjipe naboer i sommer. Plantepressa: blogginnlegg på forskning.no av botanikere ved Norsk institutt for naturforskning.
  • Show author(s) (2015). Fjellplantene taper konkurransen i et varmere og våtere klima: kan beitedyr være redningen? Biolog. 14-18.
Feature article
  • Show author(s) (2019). Hvis klimakonkurransen skal fungere, er det noen ting man bør tenke på. Khrono.no.
  • Show author(s) (2017). Er Rhododendron en trussel mot norsk natur? Forskning.no.
Doctoral dissertation
  • Show author(s) (2015). Predicting and assessing climate-change impacts on the population dynamics of alpine and lowland forbs.
Poster
  • Show author(s) (2020). Wooded hay meadows as viable production systems.
  • Show author(s) (2020). Resource allocation in plants under different climatic conditions.
  • Show author(s) (2019). Trophic interactions between filter-feeding mesozooplankton and the Emiliania huxleyi virus.
  • Show author(s) (2019). The mountain TransPlant Network.
  • Show author(s) (2019). INCLINE: Indirect climate change impacts on alpine plant communities.
  • Show author(s) (2014). Management-driven evolution in a domesticated ecosystem; heathlands.
  • Show author(s) (2009). Prescribed burning of northern heathlands: Calluna vulgaris and germination cues.
  • Show author(s) (2009). Heather and germination – climate matters.
  • Show author(s) (2009). Heather and germination – climate matters.
Academic literature review
  • Show author(s) (2019). Advancing restoration ecology: A new approach to predict time to recovery . Journal of Applied Ecology. 225-234.
Chapter
  • Show author(s) (2021). Vegetasjonsundersøkelser i boreal bjørkeskog i Børgefjell nasjonalpark. 30-45. In:
    • Show author(s) (2021). Terrestrisk naturovervåking i 2020: Markvegetasjon, epifytter, smågnagere og fugl. Sammenfatning av resultater. 1972. 1972. .
  • Show author(s) (2019). Vegetasjonsundersøkelser av boreal bjørkeskog i Møsvatn. 22-33. In:
    • Show author(s) (2019). Terrestrisk naturovervåking i 2017: Markvegetasjon, epifytter, smågnagere og fugl. Sammenfatning av resultater. 1608. 1608. .
  • Show author(s) (2017). Vegetasjonsundersøkelser av boreal bjørkeskog i Lund og Åmotsdalen. 22-35. In:
    • Show author(s) (2017). Terrestrisk naturovervåking i 2016: Markvegetasjon, epifytter, smågnagere og fugl. Sammenfatning av resultater . 1376. 1376: 1376. .

More information in national current research information system (CRIStin)