Enviaments recents

  • Fruit detection and 3D location using instance segmentation neural networks and structure-from-motion photogrammetry 

    Gené, Jordi; Sanz Cortiella, Ricardo; Rosell Polo, Joan Ramon; Morros Rubió, Josep Ramon; Ruiz Hidalgo, Javier; Vilaplana Besler, Verónica; Gregorio López, Eduard (Elsevier, 2020-01-02)
    The development of remote fruit detection systems able to identify and 3D locate fruits provides opportunities to improve the efficiency of agriculture management. Most of the current fruit detection systems are based on ...
  • A novel tool to assess the effect of intraspecific spatial niche variation on species distribution shifts under climate change 

    Martin, Youri; Van Dyck, Hans; Legendre, Pierre; Settele, Josef; Schweiger, Oliver; Harpke, Alexander; Wiemers, Martin; Améztegui González, Aitor; Titeux, Nicolas (Wiley, 2019-11-19)
    Aim Niche‐based models often ignore spatial variation in the climatic niche of a species across its occupied range and the related variation in the response to changing climate conditions. This assumption may lead to ...
  • The fluvial sediment budget of a dammed river (upper Muga, southern Pyrenees) 

    Piqué Altés, Gemma; Batalla, Ramon J.; López Alonso, Raúl; Sabater, Sergi (Elsevier, 2017-09-15)
    Many rivers in the Mediterranean region are regulated for urban and agricultural purposes. Reservoir presence and operation results in flow alteration and sediment discontinuity, altering the longitudinal structure of the ...
  • The hydrological significance of mountains: a regional case study, the Ebro River basin, northeast Iberian Peninsula 

    López Alonso, Raúl; Justribó Pena, Cristina (International Association of Hydrological Sciences, 2010)
    This study evaluated the hydrological significance of mountain regions, comparing them with the lowlands of the Ebro River basin (northeast Iberian Peninsula). It was based on records obtained from measuring stations. An ...
  • Evaluation of bed load transport formulae in a large regulated gravel bed river: The lower Ebro (NE Iberian Peninsula) 

    López Alonso, Raúl; Vericat Querol, Damià; Batalla, Ramon J. (Elsevier, 2014-03-14)
    This paper tests the predictive power of 10 bed load formulae against bed load rates obtained for a large regulated river (River Ebro) the armor layer of which is subject to repeated cycles of break-up and reestablishment. ...
  • Flow resistance equations without explicit estimation of the resistance coefficient for coarse-grained rivers 

    López Alonso, Raúl; Barragán Fernández, Javier; Colomer, M. Àngels (Maria Àngels) (Elsevier, 2007)
    The uncertainty and subjectivity inherent in estimating the resistance coeffi-cient is one of the main sources of error in the application of flow resistance equations tonatural channels. Various studies have shown that ...
  • Reply to the comment by D.E. Rupp and G.M. Smart on "Flow resistance equations without explicit estimation of the resistance coefficient for coarse-grained rivers" 

    López Alonso, Raúl; Barragán Fernández, Javier; Colomer, M. Àngels (Maria Àngels) (Elsevier, 2007)
  • Modeling the influence of eucalypt plantation on wildfire occurrence in the Brazilian savanna biome 

    De Castro Galizia, Luiz Felipe; Rodrigues Mimbrero, Marcos (MDPI, 2019-09-27)
    In the last decades, eucalypt plantations are expanding across the Brazilian savanna, one of the most frequently burned ecosystems in the world. Wildfires are one of the main threats to forest plantations, causing economic ...
  • Applying cascade-correlation neural networks to in-fill gaps in Mediterranean daily flow data series 

    Vega García, Cristina; Decuyper, Mathieu; Alcázar Montero, Jorge (MDPI, 2019-08-15)
    The analyses of water resources availability and impacts are based on the study over time of meteorological and hydrological data trends. In order to perform those analyses properly, long records of continuous and reliable ...
  • Metodología de evaluación del riesgo de incendios forestales y priorización de tratamientos multifuncionales en paisajes mediterráneos 

    Alcasena, Fermín; Vega García, Cristina; Ager, Alan A.; Salis, Michele; Nauslar, Nicholas J.; Mendizabal, F.J.; Castell, Rafael (Universidad de La Rioja, 2019)
    En las regiones mediterráneas, el efecto combinado del éxodo rural, la falta de gestión forestal y las políticas de supresión de incendios han contribuido notablemente en el aumento de la carga y continuidad de los ...
  • A decision support tool for assessing the impact of climate change on multiple ecosystem services 

    Cristal, Irina; Améztegui González, Aitor; González-Olabarria, José Ramón; Garcia Gonzalo, Jordi (MDPI, 2019-05-21)
    In the climate change era, forest managers are challenged to use innovative tools to encourage a sustained provision of goods and services. Many decision support tools (DSTs), developed to address global changes in forest ...
  • Special issue on 'Terrestrial laser scanning': editors' notes 

    Rosell Polo, Joan Ramon; Gregorio López, Eduard; Llorens Calveras, Jordi (MDPI, 2019-10-21)
    In this editorial, we provide an overview of the content of the special issue on 'Terrestrial Laser Scanning'. The aim of this Special Issue is to bring together innovative developments and applications of terrestrial laser ...
  • Analyzing the recent dynamics of wildland fires in Quercus suber L. woodlands in Sardinia (Italy), Corsica (France) and Catalonia (Spain) 

    Salis, Michele; Arca, Bachisio; Alcasena, Fermín; Massaiu, Antonella; Bacciu, Valentina; Bosseur, Fréderic; Caramelle, Philippe; Dettori, Sandro; Oliveira, Ana Sofia Fernandes de; Molina Terrén, Domingo; Santoni, Paul‑Antoine; Spano, Donatella; Vega García, Cristina; Duce, Pierpaolo (Springer Nature, 2019-02-20)
    Wildland fires represent a major threat to Quercus suber L. ecosystems, which provide relevant socioeconomic and ecological services in the Mediterranean Basin. In this work, we analyzed recent wildland fire dynamics in ...
  • Perceptions of U.S. and Canadian maple syrup producers toward climate change, its impacts, and potential adaptation measures 

    Legault, Simon; Houle, Daniel; Plouffe, Antoine; Améztegui González, Aitor; Kuehn, Diane; Chase, Lisa; Blondlot, Anne; Perkins, Timothy D. (Public Library of Science, 2019-04-25)
    The production of maple syrup is an important cultural and economic activity directly related to the climate of northeastern North America. As a result, there are signs that climate change could have negative impacts on ...
  • El canvi d'usos i l'expansió del pi negre (Pinus uncinata Ram.) al Pirineu català (1956-2006) 

    Améztegui González, Aitor; Coll Mir, Lluís (Consorci Forestal de Catalunya, 2009)
  • BAAD: a Biomass And Allometry Database for woody plants 

    Falster, Daniel S.; Duursma, Remko A.; Ishihara, Masae I.; Barneche, Diego R.; FitzJohn, Richard G.; Vårhammar, Angelica; Aiba, Mashiro; Ando, Makoto; Anten, Niels P. R.; Aspinwall, Michael J.; Baltzer, Jennifer L.; Baraloto, Christopher; Battaglia, Michael; Battles, John J.; Bond-Lamberty, Ben; Breugel, Michiel van; Camac, James; Claveau, Yves; Coll Mir, Lluís; Dannoura, Masako; Delagrange, Sylvain; Domec, Jean-Christophe; Fatemi, Farrah; Feng, Wang; Gargaglione, Veronica; Goto, Yoshiaki; Hagihara, Akio; Hall, Jefferson S.; Hamilton, Steve; Harja, Degi; Hiura, Tsutom; Holdaway, Robert; Hutley, Lindsay B.; Ichie, Tomoaki; Jokela, Eric J.; Kantola, Anu; Kelly, Jeff W.; Kenzo, Tanaka; King, David; Kloeppel, Brian D.; Komiyama, Akira; Laclau, Jean-Paul; Lusk, Christopher H.; Maguire, Douglas A.; Maire, Guerric le; Mäkelä, Annikki; Markesteijn, Lars; Marshall, John; McCulloh, Katherine; Miyata, Itsuo; Mokany, Karel; Mori, Shigeta; Myster, Randall W.; Nagano, Masahiro; Naidu, Shawna L.; Nouvellon, Yann; O'Grady, Anthony P.; O'Hara, Kevin L. (Kevin Laughlin); Ohtsuka, Toshiyuki; Osada, Noriyuki; Osunkoya, Olusegun O.; Peri, Pablo L.; Petritan, Any Mary; Poorter, Lourens; Portsmuth, Angelika; Potvin, Catherine; Ransijn, Johannes; Reid, Douglas; Ribeiro, Sabina C.; Roberts, Scott D.; Rodríguez, Rolando; Saldaña-Acosta, Angela; Santa Regina Rodriguez, Ignacio; Sasa, Kaichiro; Selaya, N. Galia; Sillett, Stephen C.; Sterck, Frank; Takagi, Kentaro; Tange, Takeshi; Tanouchi, Hiroyuki; Tissue, David T.; Umehara, Toru; Utsugi, Hajime; Vadeboncoeur, Matthew A.; Valladares, Fernando; Vanninen, Petteri; Wang, Jian R.; Wenk, Elizabeth; Williams, Richard J.; Ximenes, Fabiano de Aquino; Yamaba, Atsushi; Yamada, Toshihiro; Yamakura, Takuo; Yanai, Ruth D.; York, Robert A. (Ecological Society of America, 2015)
    Understanding how plants are constructed i.e., how key size dimensions and the amount of mass invested in different tissues varies among individuals is essential for modeling plant growth, carbon stocks, and energy fluxes ...
  • Trajectory analysis in community ecology 

    De Cáceres, Miquel; Coll Mir, Lluís; Legendre, Pierre; Allen, Robert B.; Wiser, Susan; Fortin, Marie-Josée; Condit, Richard; Hubbell, Stephen P. (Ecological Society of America, 2019)
    Ecologists have long been interested in how communities change over time. Addressing questions about community dynamics requires ways of representing and comparing the variety of dynamics observed across space. Until now, ...
  • Fruit detection in an apple orchard using a mobile terrestrial laser scanner 

    Gené, Jordi; Gregorio López, Eduard; Guevara, Javier; Auat Cheein, Fernando A.; Sanz Cortiella, Ricardo; Escolà i Agustí, Alexandre; Llorens Calveras, Jordi; Morros Rubió, Josep Ramon; Ruiz Hidalgo, Javier; Vilaplana Besler, Verónica; Rosell Polo, Joan Ramon (Academic Press. Published by Elsevier, 2019-09-21)
    The development of reliable fruit detection and localization systems provides an opportunity to improve the crop value and management by limiting fruit spoilage and optimised harvesting practices. Most proposed systems for ...
  • La problématique de l'utilisation des herbicides en foresterie: le cas du Québec 

    Fortier, J.; Messier, Christian; Coll Mir, Lluís (Les Éditions en environnement VertigO, 2005)
    Herbicide use in forestry is analysed from an historical and environmental perspective. First chemical herbicides were developed during the Second World War. Organochloride herbicides were widely used in the past but they ...
  • Viewing forests through the lens of complex systems science 

    Filotas, Elise; Parrott, Lael; Burton, Philip; Chazdon, Robin L.; Coates, K. David; Coll Mir, Lluís; Haeussler, Sybille; Martin, Kathy; Nocentini, Susanna; Puettmann, Klaus J.; Putz, Francis E.; Simard, Suzanne W.; Messier, Christian (Ecological Society of America, 2014)
    Complex systems science provides a transdisciplinary framework to study systems characterized by (1) heterogeneity, (2) hierarchy, (3) self‐organization, (4) openness, (5) adaptation, (6) memory, (7) non‐linearity, and (8) ...

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