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    • Occurrence and pathogenicity of Pythium (Oomycota) on Ulvaspecies (Chlorophyta) at different salinities 

      Herrero, Maria-Luz; Brurberg, May Bente; Alayon, Dario Isidro Ojeda; Roleda, Michael (Peer reviewed; Journal article, 2020-02-25)
      Pythium species are ubiquitous organisms known to be pathogens to terrestrial plants and marine algae. While several Pythium species (hereafter, Pythium) are described as pathogens to marine red algae, little is known about ...

    • Occurrence of plant-parasitic nematodes on enset (Enset ventricosum) in Ethiopia with focus on Pratylenchus goodeyi as a key species of the crop. 

      Kidane, Selamawit Araya; Meressa, Beira H.; Haukeland, Solveig; Hvoslef-Eide, Trine; Magnusson, Christer; Courvreur, Marjolein; Bert, Wim; Coyne, Danny L. (Peer reviewed; Journal article, 2020-10-20)
      Enset (Ensete ventricosum) is an important starch staple crop, cultivated primarily in south and southwestern Ethiopia. Enset is the main crop of a sustainable indigenous African system that ensures food security in a ...

    • Om tettsteders vekst og effekt på arealbruk: Er von Thünen fortsatt aktuell? 

      Aune-Lundberg, Linda; Dramstad, Wenche (Peer reviewed; Journal article, 2022-09-24)
      Bosetningsmønsteret var tidligere knyttet til forekomst av spesielle ressurser, for eksempel mineraler eller transportknutepunkt. Koblingen til transportknutepunkt er fortsatt viktig, mens koblingen til ressursforekomster ...

    • On the developmental and environmental regulation of secondary metabolism in Vaccinium spp. berries 

      Karppinen, Katja; Zoratti, Laura; Nguyenquynh, Nga; Häggman, Hely; Jaakola, Laura (Journal article; Peer reviewed, 2016)
      Secondary metabolites have important defense and signaling roles, and they contribute to the overall quality of developing and ripening fruits. Blueberries, bilberries, cranberries, and other Vaccinium berries are fleshy ...

    • On the knowns and unknowns of natural regeneration of silviculturally managed sessile oak (Quercus petraea (Matt.) Liebl.) forests—a literature review 

      Kohler, Martin; Pyttel, Patrick; Kuehne, Christian; Modrow, Tobias; Bauhus, Jürgen (Peer reviewed; Journal article, 2020-10-15)
      Key message This literature review identified the main factors for the success of different silvicultural approaches to regenerate sessile oak naturally and unveiled at the same time important knowledge gaps. Most previous ...

    • On-site treated wastewater disposal systems – The role of stratified filter medias for reducing the risk of pollution 

      Eregno, Fasil; Heistad, Arve (Journal article; Peer reviewed, 2019-01-17)
      The transmission of pathogens from partially or fully treated wastewater to different water sources are a pervasive risk to public health. To reduce the risk, the integration of source separation, on-site greywater treatment ...

    • Open-source data reveal how collections-based fungal diversity is sensitive to global change 

      Andrew, Carrie Joy; Büntgen, Ulf; Egli, Simon; Senn-Irlet, Beatrice; Grytnes, John-Arvid; Heilmann-Clausen, Jacob; Boddy, Lynne; Bässler, Claus; Gange, Alan C.; Heegaard, Einar; Høiland, Klaus; Kirk, Paul M.; Krisai-Greilhüber, Irmgard; Kuyper, Thomas W.; Kauserud, Håvard (Journal article; Peer reviewed, 2019)
      Premise of the Study Fungal diversity (richness) trends at large scales are in urgent need of investigation, especially through novel situations that combine long‐term observational with environmental and remotely sensed ...

    • Opportunities for mitigating soil compaction in Europe—Case studies from the SoilCare project using soil-improving cropping systems 

      Piccoli, Ilaria; Seehusen, Till; Bussell, Jenny; Vizitu, Olga; Calciu, Irina; Berti, Antonio; Börjesson, Gunnar; Kirchmann, Holger; Kätterer, Thomas; Sartori, Felice; Stoate, Chris; Crotty, Felicity; Panagea, Ioanna S.; Alaoui, Abdallah; Bolinder, Martin A. (Peer reviewed; Journal article, 2022-02-02)
      Soil compaction (SC) is a major threat for agriculture in Europe that affects many ecosystem functions, such as water and air circulation in soils, root growth, and crop production. Our objective was to present the results ...

    • Optimization of Water-Energy-Food Nexus considering CO2 emissions from cropland: A case study in northwest Iran 

      Saray, Marzieh Hasanzadeh; Baubekova, Aziza; Gohari, Alireza; Eslamian, Seyed Saeid; Kløve, Bjørn; Haghighi, Ali Torabi (Peer reviewed; Journal article, 2021-12-13)
      Water-Energy-Food (WEF) Nexus and CO2 emissions for a farm in northwest Iran were analyzed to provide data support for decision-makers formulating national strategies in response to climate change. In the analysis, ...

    • Orchard Planting Density and Tree Development Stage Affects Physiological Processes of Apple (Malus domestica Borkh.) Tree 

      Laužike, Kristina; Uselis, Nobertas; Kviklys, Darius; Samuoliene, Giedre (Peer reviewed; Journal article, 2020-12-04)
      One of the most important factors affecting photosynthesis and metabolism is light absorbance by leaves and penetration through the canopy. The aim of this study was to evaluate the influence of planting density and tree ...

    • ORCHIDEE-PEAT (revision 4596), a model for northern peatland CO2, water, and energy fluxes on daily to annual scales 

      Qiu, Chunjing; Zhu, Dan; Ciais, Philippe; Guenet, Bertrand; Krinner, Gerhard; Peng, Shushi; Aurela, Mika; Bernhofer, Christian; Brümmer, Christian; Bret-Harte, Syndonia; Chu, Housen; Chen, Jiquan; Desai, Ankur R.; Dušek, Jiří; Euskirchen, Eugénie S.; Fortuniak, Krzysztof; Flanagan, Lawrence B.; Friborg, Thomas; Grygoruk, Mateusz; Gogo, Sébastien; Grünwald, Thomas; Hansen, Birger U.; Holl, David; Humphreys, Elyn; Hurkuck, Miriam; Kiely, Gerard; Klatt, Janina; Kutzbach, Lars; Largeron, Chloé; Laggoun-Défarge, Fatima; Lund, Magnus; Lafleur, Peter M.; Li, Xuefei; Mammarella, Ivan; Merbold, Lutz; Nilsson, Mats B.; Olejnik, Janusz; Ottosson-Löfvenius, Mikaell; Oechel, Walter C.; Parmentier, Frans-Jan W.; Peichl, Matthias; Pirk, Norbert; Peltola, Olli; Pawlak, Włodzimierz; Rasse, Daniel; Rinne, Janne; Shaver, Gaius R.; Schmid, Hans Peter; Sottocornola, Matteo; Steinbrecher, Rainer; Sachs, Torsten; Urbaniak, Marek; Zona, Donatella; Ziemblinska, Klaudia (Journal article; Peer reviewed, 2018-02-05)
      Peatlands store substantial amounts of carbon and are vulnerable to climate change. We present a modified version of the Organising Carbon and Hydrology In Dynamic Ecosystems (ORCHIDEE) land surface model for simulating ...

    • Organic Waste-Based Fertilizer in Hydroponics Increases Tomato Fruit Size but Reduces Fruit Quality 

      Kechasov, Dmitry; Verheul, Michel; Paponov, Martina; Panosyan, Anush; Paponov, Ivan (Peer reviewed; Journal article, 2021-06-23)
      In regions with intensive agricultural production, large amounts of organic waste are produced by livestock animals. Liquid digestate from manure-based biogas production could potentially serve as fertilizer if integrated ...

    • The origin of the Legumes is a complex paleopolyploid phylogenomic tangle closely associated with the Cretaceous–Paleogene (K–Pg) mass extinction event 

      Koenen, Erik J. M.; Alayon, Dario Isidro Ojeda; Bakker, Freek T.; Wieringa, Jan J.; Kidner, Catherine; Hardy, Olivier J.; Pennington, R. Toby; Herendeen, Patrick S.; Bruneau, Anne; Hughes, Colin E. (Peer reviewed; Journal article, 2020-08-31)
      The consequences of the Cretaceous–Paleogene (K–Pg) boundary (KPB) mass extinction for the evolution of plant diversity remain poorly understood, even though evolutionary turnover of plant lineages at the KPB is central ...

    • An Overview of Microbial Source Tracking Using Host-Specific Genetic Markers to Identify Origins of Fecal Contamination in Different Water Environments 

      Paruch, Lisa; Paruch, Adam (Peer reviewed; Journal article, 2022-06-04)
      Fecal contamination of water constitutes a serious health risk to humans and environmental ecosystems. This is mainly due to the fact that fecal material carries a variety of enteropathogens, which can enter and circulate ...

    • Oxalate found in wood cell wall during incipient brown rot degradation 

      Füchtner, Sophie; Alfredsen, Gry; Thygesen, Lisbeth G. (Peer reviewed; Journal article, 2022-11-21)
      Brown rot fungi are a marvel and an enigma of Nature. They are capable of depolymerizing holocellulose within wood cell walls without significantly ineralizing lignin. The exact details behind this feat remain unknown, but ...

    • Parallel Microbial Ecology of Pasteuria and Nematode Species in Scottish Soils 

      Orr, Jamie N.; Neilson, Roy; Freitag, Thomas E.; Roberts, David M.; Davies, Keith; Blok, Vivian C.; Cock, Peter J. A. (Peer reviewed; Journal article, 2020-01-28)
      Pasteuria spp. are endospore forming bacteria which act as natural antagonists to many of the most economically significant plant parasitic nematodes (PPNs). Highly species-specific nematode suppression may be observed in ...

    • A parametric analysis of eco-efficiency and its determinants: Evidence from Norwegian dairy farms 

      Alem, Habtamu (Peer reviewed, 2023-07-25)
      This study aims to estimate eco-efficiency scores and identify determinants of Norwegian dairy farms using a parametric approach that accounts for methane emissions. The study incorporates an environmental output measure ...

    • Parasitoids indicate major climate-induced shifts in arctic communities 

      Kankaanpää, Tuomas; Vesterinen, Eero; Hardwick, Bess; Schmidt, Niels M.; Andersson, Tommi; Aspholm, Paul E.; Barrio, Isabel C.; Beckers, Niklas; Bêty, Joël; Birkemoe, Tone; DeSiervo, Melissa; Drotos, Katherine H.I.; Ehrich, Dorothee; Gilg, Olivier; Gilg, Vladimir; Hein, Nils; Høye, Toke T.; Jakobsen, Kristian M.; Jodouin, Camille; Jorna, Jesse; Kozlov, Mikhail V.; Kresse, Jean-Claude; Leandri-Breton, Don-Jean; Lecomte, Nicolas; Loonen, Maarten; Marr, Philipp; Monckton, Spencer K.; Olsen, Maia; Otis, Josée-Anne; Pyle, Michelle; Roos, Ruben Erik; Raundrup, Katrine; Rozhkova, Daria; Sabard, Brigitte; Sokolov, Aleksandr; Sokolova, Natalia; Solecki, Anna M.; Urbanowicz, Christine; Villeneuve, Catherine; Vyguzova, Evgenya; Zverev, Vitali; Roslin, Tomas (Peer reviewed; Journal article, 2020-09-11)
      Climatic impacts are especially pronounced in the Arctic, which as a region is warming twice as fast as the rest of the globe. Here, we investigate how mean climatic conditions and rates of climatic change impact parasitoid ...

    • Pathogenicity, host specificity and genetic diversity in Norwegian isolates of Microdochium nivale and Microdochium majus 

      Abdelhalim, Mohamed Ibrahim Mohamed; Brurberg, May Bente; Hofgaard, Ingerd Skow; Rognli, Odd Arne; Tronsmo, Anne Marte (Peer reviewed; Journal article, 2020-01-31)
      Microdochium majus and Microdochium nivale cause serious disease problems in grasses and cereal crops in the temperate regions. Both fungi can infect the plants during winter (causing pink snow mould) as well as under cool ...

    • Patterns and roles of lignan and terpenoid accumulation in the reaction zone compartmentalizing pathogen-infected heartwood of Norway spruce 

      Nagy, Nina Elisabeth; Norli, Hans Ragnar; Fongen, Monica; Østby, Runa Berg; Heldal, Inger; Davik, Jahn; Hietala, Ari Mikko (Peer reviewed; Journal article, 2022-02-10)
      Tree defense against xylem pathogens involves both constitutive and induced phenylpropanoids and terpenoids. The induced defenses include compartmentalization of compromised wood with a reaction zone (RZ) characterized by ...