• 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 of Carbon Sequestration in a Young Forest Ecosystem after Clear-Cutting 

      Rebane, Sille; Jõgiste, Kalev; Kiviste, Andres; Stanturf, John A.; Metslaid, Marek (Peer reviewed; Journal article, 2020-01-21)
      A large area of Estonian hemiboreal forest is recovering from clear-cut harvesting and changing carbon (C) balance of the stands. However, there is a lack of information about C- source/sink relationships during recovery ...
    • Patterns of Microbiome Variation Among Infrapopulations of Permanent Bloodsucking Parasites 

      Doña, Jorge; Herrera, Stephany Virrueta; Nyman, Tommi; Kunnasranta, Mervi; Johnson, Kevin P. (Peer reviewed; Journal article, 2021-04-16)
      While interspecific variation in microbiome composition can often be readily explained by factors such as host species identity, there is still limited knowledge of how microbiomes vary at scales lower than the species ...
    • Pedotransfer functions in Earth system science: challenges and perspectives 

      Van Looy, Kris; Bouma, Johan; Herbst, Michael; Koestel, John; Minasny, Budiman; Mishra, Umakant; Montzka, Carsten; Nemes, Attila; Pachepsky, Yakov A.; Padarian, José; Schaap, Marcel G.; Tóth, Brigitta; Verhoef, Anne; Vanderborght, Jan; van der Ploeg, Martine J.; Weihermüller, Lutz; Zacharias, Steffen; Zhang, Yonggen; Vereecken, Harry (Journal article; Peer reviewed, 2017-11-14)
      Soil, through its various functions, plays a vital role in the Earth’s ecosystems and provides multiple ecosystem services to humanity. Pedotransfer functions (PTFs) are simple to complex knowledge rules that relate available ...
    • Performance and Phenotypic Stability of Norway Spruce Provenances, Families, and Clones Growing under Diverse Climatic Conditions in Four Nordic Countries 

      Skrøppa, Tore; Steffenrem, Arne (Peer reviewed; Journal article, 2021-02-17)
      Genetic variation and phenotypic stability in Norway spruce were studied based on provenances, families, and clones planted in trials at 12 sites in four Nordic countries. The families were generated in a factorial cross ...
    • Performance of the Endemic Alpine Herb Primula scandinavica in a Changing European Mountain Landscape 

      Wehn, Sølvi; Olsson, E. Gunilla A (Journal article; Peer reviewed, 2015-08)
      This paper reports on the performance of the red-listed Primula scandinavica, endemic to Scandinavia. The study took place in Jotunheimen, Norway. We evaluated occurrence, density and sexual reproduction variables (number ...
    • Performance of the Norwegian dairy farms: A dynamic stochastic approach 

      Alem, Habtamu (Peer reviewed; Journal article, 2020-08-07)
      From a theoretical perspective, it is well stated that the farm's decision on the use of inputs depends on the farmer's ability to make an efficient decision over time. The existing literature in performance analysis of ...
    • Pesticide Policies and Farm Behavior: The Introduction of Regulations for Integrated Pest Management 

      Kvakkestad, Valborg; Steiro, Åsmund Lægreid; Vatn, Arild (Peer reviewed; Journal article, 2021-08-30)
      Integrated pest management (IPM) was introduced in the 1960s as a response to increasing pesticide use and has since evolved from being understood mainly as an economic issue to also including environmental and human health ...