Now showing items 32-51 of 321

    • Assessing opportunities for selective winery vintage with a market-driven composite index 

      Arnó Satorra, Jaume; Martínez Casasnovas, José Antonio (Cogent OA, 2017-10-13)
      An opportunity index (OISV) is proposed for selective vine harvest management to ensure vineyard sustainability making use of precision farming technologies. Vigour maps derived from remote sensors are the basis of the ...
    • Assessing post-storm forest dynamics in the Pyrenees using high-resolution LIDAR data and aerial photographs 

      Blázquez-Casado, Ángela; González-Olabarria, José Ramón; Martín Alcón, Santiago; Just, Ariadna; Cabré, Mariló; Coll Mir, Lluís (Springer Nature, 2015-08-28)
      We evaluated how historical storm events have shaped the current forest landscape in three Pyrenean subalpine forests (NE Spain). For this purpose we related forest damage estimations obtained from multi-temporal aerial ...
    • Assessing ranked set sampling and ancillary data to improve fruit load estimates in peach orchards 

      Uribeetxebarria Alonso de Armiño, Asier; Martínez Casasnovas, José Antonio; Tisseyre, Bruno; Guillaume, Serge; Escolà i Agustí, Alexandre; Rosell Polo, Joan Ramon; Arnó Satorra, Jaume (Elsevier, 2019-08-08)
      Fruit load estimation at plot level before harvest is a key issue in fruit growing. To face this challenge, two sampling methods to estimate fruit load in a peach tree orchard were compared: simple random sampling (SRS) ...
    • Assessing the persistence capacity of communities facing natural disturbances on the basis of species response traits 

      Sánchez Pinillos, Martina; Coll Mir, Lluís; De Cáceres, Miquel; Améztegui González, Aitor (Elsevier, 2016)
      Adequately assessing the ecosystem resilience and resistance is a challenging and essential question in the current context of widespread environmental change. Here we suggest the use of a quantitative measure we call ...
    • Assessing wildland fire risk transmission to communities in northern Spain 

      Alcasena Urdíroz, Fermín J.; Salis, Michele; Ager, Alan A.; Castell, Rafael; Vega García, Cristina (MDPI, 2017-01-24)
      We assessed potential economic losses and transmission to residential houses from wildland fires in a rural area of central Navarra (Spain). Expected losses were quantified at the individual structure level (n = 306) in ...
    • Assessment of Recycling Tunnel Sprayers in Mediterranean Vineyards and Apple Orchards 

      Planas de Martí, Santiago; Solanelles Batlle, Francesc; Fillat, A. (Elsevier, 2002)
      The use of air-assisted recycling tunnel sprayers in Mediterranean fruit orchards and vineyards was assessed by comparing the performance of two tunnel sprayer prototypes with an air-assisted axial flow sprayer. Field ...
    • Assessment of spray drift potential reduction for hollow-cone nozzles: Part 1. Classification using indirect methods 

      Torrent Martí, Xavier; Gregorio López, Eduard; Douzals, Jean-Paul; Tinet, Cyril; Rosell Polo, Joan Ramon; Planas de Martí, Santiago (Elsevier B.V., 2019-06-10)
      Spray drift is one of the main pollution sources identified when pesticides are sprayed on crops. In this work, in order to simplify the evaluation of hollow-cone nozzles according to their drift potential reduction, several ...
    • Assessment of spray drift potential reduction for hollow-cone nozzles: Part 2. LiDAR technique 

      Gregorio López, Eduard; Torrent Martí, Xavier; Planas de Martí, Santiago; Rosell Polo, Joan Ramon (Elsevier B.V., 2019-06-11)
      Pesticide spray drift poses health hazards to humans and causes a significant impact on the environment. In this work the capacity of an ad hoc light detection and ranging (LiDAR) system to differentiate spray nozzles ...
    • Asturforesta'99, la feria monográfica del sector forestal en España 

      Arnó i Pujol, Judit; Masip Vilalta, Joan (Eumedia, 1999)
      Durante los días 20, 21 y 22 de marzo de ha celebrado la que puede considerarse la feria monográfica del sector forestal en España. Asturforesta'99, en Tineo (Principado de Asturias).
    • 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 Urdíroz, Fermín J.; 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 bioplastic or woodchip groundcover replace herbicides or plastic mulching for valuable broadleaf plantations in Mediterranean areas? 

      Coello, Jaime; Coll Mir, Lluís; Piqué i Nicolau, Míriam (Springer Nature, 2017-01-19)
      Weed control is fundamental in plantations of valuable broadleaved species. The most common weeding techniques are repeatedly applied herbicides and removable plastic mulching, both raising environmental concerns. We studied ...
    • 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 ...