Now showing items 21-40 of 50

    • Estimating the Permeability of Naturally Structured Soil From Percolation Theory and Pore Space Characteristics Imaged by X-Ray 

      Koestel, John; Dathe, Annette; Skaggs, Todd H.; Klakegg, Ove Mindor; Ahmad, Muhammad Arslan; Babko, Maryia; Giménez, Daniel; Farkas, Csilla; Nemes, Attila; Jarvis, Nicholas (Journal article; Peer reviewed, 2018-10-30)
      The saturated hydraulic conductivity of soil, Ks, is a critical parameter in hydrological models that remains notoriously difficult to predict. In this study, we test the capability of a model based on percolation theory ...
    • A European map of groundwater pH and calcium 

      Hájek, Michal; Jiménez-Alfaro, Borja; Hájek, Ondřej; Brancaleoni, Lisa; Cantonati, Marco; Carbognani, Michele; Dedić, Anita; Dítě, Daniel; Gerdol, Renato; Hájková, Petra; Horsáková, Veronika; Jansen, Florian; Kamberović, Jasmina; Kapfer, Jutta; Kolari, Tiina Hilkka Maria; Lamentowicz, Mariusz; Lazarević, Predrag; Mašić, Ermin; Moeslund, Jesper Erenskjold; Pérez-Haase, Aaron; Peterka, Tomáš; Petraglia, Alessandro; Pladevall-Izard, Eulàlia; Plesková, Zuzana; Segadelli, Stefano; Semeniuk, Yuliya; Singh, Patrícia; Šímová, Anna; Šmerdová, Eva; Tahvanainen, Teemu; Tomaselli, Marcello; Vystavna, Yuliya; Biţă-Nicolae, Claudia; Horsák, Michal (Peer reviewed; Journal article, 2021-03-17)
      Water resources and associated ecosystems are becoming highly endangered due to ongoing global environmental changes. Spatial ecological modelling is a promising toolbox for understanding the past, present and future ...
    • Experiences from a National Landscape Monitoring Programme: Maintaining Continuity Whilst Meeting Changing Demands and Opportunities 

      Stokstad, Grete; Fjellstad, Wendy Jane (Journal article; Peer reviewed, 2019-04-30)
      Over the past few decades, there has been increasing interest in recording landscape change. Monitoring programmes have been established to measure the scope, direction and rate of change, and assess the consequences of ...
    • Fine-grain beta diversity of Palaearctic grassland vegetation 

      Dembicz, Iwona; Dengler, Jürgen; Steinbauer, Manuel J.; Matthews, Thomas J.; Bartha, Sándor; Burrascano, Sabina; Chiarucci, Alessandro; Filibeck, Goffredo; Gillet, François; Janišová, Monika; Palpurina, Salza; Storch, David; Ulrich, Werner; Aćić, Svetlana; Boch, Steffen; Campos, Juan Antonio; Cancellieri, Laura; Carboni, Marta; Ciaschetti, Giampiero; Conradi, Timo; De Frenne, Pieter; Dolezal, Jiri; Dolnik, Christian; Essl, Franz; Fantinato, Edy; García-Mijangos, Itziar; del Galdo, Gian Pietro Giusso; Grytnes, John Arvid; Guarino, Riccardo; Güler, Behlul; Kapfer, Jutta; Klichowska, Ewelina; Kozub, Łukasz; Kuzemko, Anna; Löbel, Swantje; Manthey, Michael; Marcenó, Corrado; Mimet, Anne; Naqinezhad, Alireza; Noroozi, Jalil; Nowak, Arkadiusz; Pauli, Harald; Peet, Robert K.; Pellissier, Vincent; Pielech, Remigiusz; Terzi, Massimo; Uğurlu, Emin; Valko, Orsolya; Vasheniak, Iuliia; Vassilev, Kiril; Vynokurov, Denys; White, Hannah J.; Willner, Wolfgang; Winkler, Manuela; Wolfrum, Sebastian; Zhang, Jinghui; Biurrun, Idoia (Peer reviewed; Journal article, 2021-05-22)
      Questions Which environmental factors influence fine-grain beta diversity of vegetation and do they vary among taxonomic groups? Location Palaearctic biogeographic realm. Methods We extracted 4,654 nested-plot series with ...
    • Five Ways of Characterizing Agricultural Land Use Dynamics and Abandonment from Subsidy Data 

      Dramstad, Wenche; Sang, Neil; Mathiesen, Henrik Forsberg; Bryn, Anders (Peer reviewed; Journal article, 2021-10-26)
      Abandonment of agricultural land is a process described from different regions of many industrialized countries. Given the current focus on land use, land use change and food security, it appears highly relevant to develop ...
    • Governing dual objectives within single policy mixes: an empirical analysis of large carnivore policies in six European countries 

      de BOON, Auvikki; Sandström, Camilla; Arbieu, Ugo; Hansen, Inger; Lehnen, Lisa; Marino, Agnese; Pohja-Mykrä, Mari; Risvoll, Camilla; Strand, Geir-Harald; Rønningen, Katrina (Peer reviewed; Journal article, 2020-11-03)
      Policy mixes (i.e. the total structure of policy processes, strategies, and instruments) are complex constructs that can quickly become incoherent, inconsistent, and incomprehensive. This is amplified when the policy mix ...
    • Herbivory and warming interact in opposing patterns of covariation between arctic shrub species at large and local scales 

      Post, Eric; Cahoon, Sean M. P.; Kerby, Jeffrey T.; Pedersen, Christian; Sullivan, Patrick F. (Peer reviewed; Journal article, 2021-02-09)
      A major challenge in predicting species’ distributional responses to climate change involves resolving interactions between abiotic and biotic factors in structuring ecological communities. This challenge reflects the ...
    • Humus-rich topsoils in SW Norway – Molecular and isotopic signatures of soil organic matter as indicators for anthropo-pedogenesis 

      Acksel, Andre; Giani, Luise; Stasch, Carolin; Kühn, Peter; Eiter, Sebastian; Potthoff, Kerstin; Regier, Tom; Leinweber, Peter (Journal article; Peer reviewed, 2018-10-03)
      Some previous studies showed that the formation of several deep dark humus-rich topsoils in Northern Europe was strongly influenced by the application of different organic materials by anthropogenic activities in former ...
    • Hyperspectral and Lidar Data Applied to the Urban Land Cover Machine Learning and Neural-Network-Based Classification: A Review 

      Kuras, Agnieszka Kinga; Brell, Maximilian; Rizzi, Jonathan; Burud, Ingunn (Peer reviewed; Journal article, 2021-08-26)
      Rapid technological advances in airborne hyperspectral and lidar systems paved the way for using machine learning algorithms to map urban environments. Both hyperspectral and lidar systems can discriminate among many ...
    • Image Classification by Integrating Reject Option and Prior Information 

      Taff, Gregory; Shao, Yang; Ren, Jie; Zhang, Ruoyu (Journal article; Peer reviewed, 2018-11-11)
      The accuracy in land-cover classification using remotely sensed imagery can be increased using Bayesian methods that incorporate prior probabilities of classes. However, estimating these prior probabilities can be expensive ...
    • An increase in food production in Europe could dramatically affect farmland biodiversity 

      Jeanneret, Philippe; Lüscher, Gisela; Schneider, Manuel K.; Pointereau, Philippe; Arndorfer, Michaela; Bailey, Debra; Balázs, Katalin; Báldi, András; Choisis, Jean-Philippe; Dennis, Peter; Díaz, Mario; Eiter, Sebastian; Elek, Zoltán; Fjellstad, Wendy Jane; Frank, Thomas; Friedel, Jürgen Kurt; Geijzendorffer, Ilse R.; Gillingham, Pippa; Gomiero, Tiziano; Jerkovich, Gergely; Jongman, Rob H. G.; Kainz, Max; Kovács-Hostyánszki, Anikó; Moreno, Gerardo; Nascimbene, Juri; Oschatz, Marie-Louise; Paoletti, Maurizio Guido; Sarthou, Jean-Pierre; Siebrecht, Norman; Sommaggio, Daniele; Wolfrum, Sebastian; Herzog, Felix (Peer reviewed; Journal article, 2021-09-02)
      Conversion of semi-natural habitats, such as field margins, fallows, hedgerows, grassland, woodlots and forests, to agricultural land could increase agricultural production and help meet rising global food demand. Yet, the ...
    • Introducing the index-based ecological condition assessment framework (IBECA) 

      Jakobsson, Simon; Evju, Marianne; Framstad, Erik; Imbert, Alexis; Lyngstad, Anders; Sickel, Hanne; Sverdrup-Thygeson, Anne; Töpper, Joachim Paul; Vandvik, Vigdis; Velle, Liv Guri; Aarrestad, Per Arild; Nybø, Signe (Peer reviewed; Journal article, 2021-05)
      Sustainable nature management and ecosystem conservation depends critically on scientifically sound and stakeholder-relevant analytical frameworks for monitoring and assessing ecological condition. Several general frameworks ...
    • Lamb performance on island pastures in Northern Norway 

      Lind, Vibeke; Holand, Øystein; Haugen, Finn-Arne; Steinheim, Geir (Peer reviewed; Journal article, 2020-07-14)
      The Norwegian sheep industry is based on utilization of “free” rangeland pasture resources. Use of mountain pastures is dominating, with about two million sheep grazing these pastures during summer. Regional challenges ...
    • Land cover in Norway based on an area frame survey of vegetation types 

      Bryn, Anders; Strand, Geir-Harald; Angeloff, Michael; Rekdal, Yngve (Journal article; Peer reviewed, 2018-05-21)
      The Norwegian area frame survey of land cover and outfield land resources (AR18X18), completed in 2014, provided unbiased statistics of land cover in Norway. The article reports the new statistics, discusses implications ...
    • Land cover segmentation of airborne LiDAR data using stochastic atrous network 

      Arief, Hasan Asyari; Strand, Geir-Harald; Tveite, Håvard; Indahl, Ulf Geir (Journal article; Peer reviewed, 2018-06-19)
      Inspired by the success of deep learning techniques in dense-label prediction and the increasing availability of high precision airborne light detection and ranging (LiDAR) data, we present a research process that compares ...
    • Land-use dominates climate controls on nitrogen and phosphorus export from managed and natural Nordic headwater catchments 

      de Wit, Heleen A; Lepistö, Ahti; Marttila, Hannu; Wenng, Hannah; Bechmann, Marianne; Blicher-Mathiesen, Gitte; Eklöf, Karin; Futter, Martyn N.; Kortelainen, Pirkko; Kronvang, Brian; Kyllmar, Katarina; Rakovic, Jelena (Peer reviewed; Journal article, 2020-10)
      Agricultural, forestry‐impacted and natural catchments are all vectors of nutrient loading in the Nordic countries. Here, we present concentrations and fluxes of total nitrogen (totN) and phosphorus (totP) from 69 Nordic ...
    • Long-term monitoring of protected Cultural Heritage Environments in Norway: Development of methods and first-time application 

      Eiter, Sebastian; Fjellstad, Wendy Jane; Puschmann, Oskar; Krøgli, Svein Olav (Journal article; Peer reviewed, 2019-04-27)
      Norway has a political goal to minimize the loss of cultural heritage due to removal, destruction or decay. On behalf of the national Directorate for Cultural Heritage, we have developed methods to monitor Cultural Heritage ...
    • The look of agricultural landscapes – How do non-crop landscape elements contribute to visual preferences in a large-scale agricultural landscape? 

      Stokstad, Grete; Krøgli, Svein Olav; Dramstad, Wenche (Peer reviewed; Journal article, 2020-04-27)
      Efficiency in agricultural food production has long been in focus and this has affected the spatial structure of agricultural land use. One outcome has been extensive criticism based on a wide range of negative consequences, ...
    • Mapping Seasonal Agricultural Land Use Types Using Deep Learning on Sentinel-2 Image Time Series 

      Debella-Gilo, Misganu; Gjertsen, Arnt Kristian (Peer reviewed; Journal article, 2021-01-15)
      The size and location of agricultural fields that are in active use and the type of use during the growing season are among the vital information that is needed for the careful planning and forecasting of agricultural ...
    • Quantification of accuracy in field-based land cover maps: A new method to separate different components 

      Haga, Hannah Emma Emilie Strømsrud; Nilsen, Anne-Barbi; Ullerud, Heidrun Asgeirsdatter; Bryn, Anders (Peer reviewed; Journal article, 2021-04-02)
      Aim Many thematic land cover maps, such as maps of vegetation types, are based on field inventories. Studies show inconsistencies among field workers in such maps, explained by inter-observer variation in classification ...