Now showing items 34-53 of 260

    • 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 ...
    • Backscatter Error Bounds for the Elastic Lidar Two-Component Inversion Algorithm 

      Rocadenbosch Burillo, Francesc; Frasier, Stephen; Kumar, Dhiraj; Lange, Diego; Gregorio López, Eduard; Sicard, Michaël (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Total backscatter-coefficient inversion error bounds for the two-component lidar inversion algorithm (so-called Fernald's or Klett-Fernald-Sasano's method) are derived in analytical form in response to the following three ...
    • Birch and conifer deadwood favour early establishment and shade tolerance in yellow birch juveniles growing on sugar maple dominated stands 

      Lambert, Jean-Bastien; Améztegui González, Aitor; Delagrange, Sylvain; Messier, Christian (NRC Research Press, 2016)
      Small-seeded tree species such as yellow birch (YB, Betula alleghaniensis Britt.) require deadwood or mineral soil for their establishment. Although much research has been done comparing YB germination on leaf litter vs. ...
    • Bird community response in mountain pine forests of the Pyrenees managed under a shelterwood system 

      Améztegui González, Aitor; Gil Tena, Assumpció; Faus, Jordi; Piqué i Nicolau, Míriam; Brotons, Lluís; Camprodon, Jordi (Elsevier, 2018)
      Understanding the effects of forest management on biodiversity is a vital challenge given the current regime of large-scale socio-ecological drivers affecting forest ecosystems and their multifunctionality. Here we assessed ...
    • Calibration of FARSITE simulator in northern Iranian forests 

      Jahdi, R.; Salis, Michele; Darvishsefat, A. A.; Mostafavi, M. A.; Alcasena, Fermín; Etemad, V.; Lozano, Olga M.; Spano, Donatella (European Geosciences Union; Copernicus Publications, 2015)
      Wildfire simulators based on empirical or physical models need to be locally calibrated and validated when used under conditions that differ from those where the simulators were originally developed. This study aims to ...
    • La calidad de las aplicaciones de los productos fitosanitarios 

      Planas de Martí, Santiago (Eumedia, 2000)
      La multinacional BASF, en colaboración con la constructora de maquinaria agrícola Ilemo-Har- di y la comercial Safi Ibérica, distribuidora de las boquillas de pulverización Albuz, está desa- rrollando un interesante ...
    • Can Precision Agriculture be profitable? 

      Arnó Satorra, Jaume; Martínez Casasnovas, José Antonio; Escolà i Agustí, Alexandre (New Ag International SARL, 2018-11-01)
      After eight Precision Ag Corner columns reviewing the different tools for precision agriculture (PA) taking part in the different stages of the PA cycle, it is time to assess its profitability. Is it worth investing in all ...
    • Captación de escorrentía superficial en redes de drenaje urbano 

      López Alonso, Raúl (Colegio de Ingenieros Técnicos de Obras Públicas (Madrid), 2000)
      Els sistema de captación superficial en redes alcantarillado, imbornales y rejas, es el encargo de que la escorrentía se introduzca en los colectores, por lo que su papel en el drenaje es fundamental. A pesar de lo obvio ...
    • Características hidráulicas y geomorfológicas de ríos de montaña (I) 

      López Alonso, Raúl (Colegio de Ingenieros Técnicos de Obras Públicas (Madrid), 2005)
      Con este artículo se inicia una serie de tres que pretenden ser una breve síntesis del estado del conocimiento acerca de la hidráulica y la geomorfología fluvial que se desarrollan en ríos de montaña constituidos por ...
    • Características hidráulicas y geomorfológicas de ríos de montaña (II) 

      López Alonso, Raúl (Colegio de Ingenieros Técnicos de Obras Públicas (Madrid), 2005)
      En el primer artículo, de una serie de tres destinados a una síntesis del estado del conocimiento acerca de la hidráulica y la geomorfología fluvial que se desarrollan en ríos de montaña, se puso de manifiesto el papel ...
    • Características hidráulicas y geomorfológicas de ríos de montaña (III) 

      López Alonso, Raúl (Colegio de Ingenieros Técnicos de Obras Públicas (Madrid), 2005)
      En el segundo artículo, de una serie de tres destinados a una síntesis del estado del conocimiento hidráulico y geomorfológico acerca de ríos de montaña, se expusieron las principales características hidráulicas del flujo ...
    • Center-pivot automatization for agrochemical use 

      Palacín Roca, Jordi; Salse, José Antonio; Clua, Xavier; Arnó Satorra, Jaume; Blanco Ortiz, Ricardo; Zanuy, C. (Elsevier, 2005)
      This paper presents an agrochemical application system that could be incorporated into existing irrigating center-pivots. The system consisted of a hydraulic circuit with emitters, where the dose was individually controlled ...
    • Changes in management modify agro-diversity in sainfoin swards in the Eastern Pyrenees 

      Sebastià, Ma. T.; Palero, Noemí; Bello, Francesco de (Springer, 2011)
      Management affects ecosystem structure in many ways. Structural changes in ecosystems, including shifts in vegetation composition and species diversity, will affect the goods and services provided at ecosystem and regional ...
    • Characterisation of the LMS200 laser beam under the influence of blockage surfaces. Influence on 3D scanning of tree orchards 

      Sanz Cortiella, Ricardo; Llorens Calveras, Jordi; Rosell Polo, Joan Ramon; Gregorio López, Eduard; Palacín Roca, Jordi (Molecular Diversity Preservation International (MDPI), 2011)
      The geometric characterisation of tree orchards is a high-precision activity comprising the accurate measurement and knowledge of the geometry and structure of the trees. Different types of sensors can be used to perform ...
    • Classifying Agricultural Terrain for Machinery Traversability Purposes 

      Yandun, Francisco J.; Gregorio López, Eduard; Zúñiga, Marcos; Escolà i Agustí, Alexandre; Rosell Polo, Joan Ramon; Auat Cheein, Fernando A. (ElsevierIFAC (International Federation of Automatic Control), 2016)
      The detection of the type of soil surface where a robotic vehicle is navigating on is an important issue for performing several agricultural tasks. Satisfactory results in activities such as seeding, plowing, fertilizing, ...
    • Climate influences on the maximum size-density relationship in Scots pine (Pinus sylvestris L.) and European beech (Fagus sylvatica L.) stands 

      Condés, Sonia; Vallet, Patrick; Bielak, Kamil; Bravo Oviedo, Andrés; Coll Mir, Lluís; Ducey, Mark J.; Pach, Maciej; Pretzsch, Hans; Sterba, Hubert; Vayreda, Jordi; del Río, Miren (Elsevier, 2017)
      The maximum size-density relationship (MSDR) reflects the boundary site occupancy and the self-thinning line for a given species, being a useful tool in forestry. Studies focusing on the MSDR often do not cover the whole ...
    • Clustering of grape yield maps to delineate site-specific management zones 

      Arnó Satorra, Jaume; Martínez Casasnovas, José Antonio; Ribes Dasi, Manuel; Rosell Polo, Joan Ramon (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (Espanya), 2011)
      Zonal management in vineyards requires the prior delineation of stable yield zones within the parcel. Among the different methodologies used for zone delineation, cluster analysis of yield data from several years is one ...
    • Combined use of remote sensing and soil sensors to detect variability in orchards with previous changes in land use and landforms: consequences for management 

      Martínez Casasnovas, José Antonio; Daniele, Elisa; Uribeetxebarria Alonso de Armiño, Asier; Escolà i Agustí, Alexandre; Rosell Polo, Joan Ramon; Sartori, Luigi; Arnó Satorra, Jaume (The Animal Consortium, 2017-07-16)
      The present work investigated the application of detailed airborne images and a resistivity soil sensor (Veris 3100) to detect soil and crop spatial variability to assist in orchard management. The research was carried out ...
    • Combining innovative mulches and soil conditioners in mountain afforestation with ash (Fraxinus excelsior L.) in the Pyrenees (NE Spain) 

      Coello, Jaime; Piqué i Nicolau, Míriam; Rovira, Pere; Fuentes, Carla; Améztegui González, Aitor (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 2018)
      Aim of study: To assess the effectiveness for improving early seedling performance of the individual and combined application of (i) various doses of an innovative soil conditioner including polyacrylamide-free super-absorbent ...
    • Comparing efficiency of different sampling schemes to estimate yield and quality parameters in fruit orchards 

      Arnó Satorra, Jaume; Martínez Casasnovas, José Antonio; Uribeetxebarria Alonso de Armiño, Asier; Escolà i Agustí, Alexandre; Rosell Polo, Joan Ramon (The Animal Consortium, 2017-07-16)
      Different sampling schemes were tested to estimate yield (kg/tree), fruit firmness (kg) and the refractometric index (°Baumé) in a peach orchard. In contrast to simple random sampling (SRS), the use of auxiliary information ...