Now showing items 21-40 of 53

    • EucaTool®: aplicación web para estimar el crecimiento y la producción de plantaciones de Eucalyptus globulus Labill. en Galicia 

      Rojo Alboreca, Alberto; García Villabrille, Juan Daniel; Pérez Rodríguez, Fernando (Sociedad Española de Ciencias Forestales, 2016)
      EucaTool® es una aplicación gratuita de software “en la nube” que ha sido desarrollada para estimar el crecimiento y la producción de plantaciones de brinzales y clonales de eucalipto (Eucalyptus globulus Labill.) de ...
    • Using high resolution UAV imagery to estimate tree variables in Pinus pinea plantation in Portugal 

      Guerra Hernández, Juan; González Ferreiro, Eduardo Manuel; Sarmento, Alexandre; Silva, João; Nunes, Alexandra; Correia, Alexandra C.; Fontes, Luis; Tomé, Margarida; Díaz Varela, Ramón Alberto (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 2016)
      Aim of study: The study aims to analyse the potential use of lowcost unmanned aerial vehicle (UAV) imagery for the estimation of Pinus pinea L. variables at the individual tree level (position, tree height and crown ...
    • Height-diameter models for maritime pine in Portugal: a comparison of basic, generalized and mixed-effects models 

      Gómez García, Esteban; Fonseca, Teresa F.; Crecente Campo, Felipe; Almeida, Luís R.; Diéguez Aranda, Ulises; Huang, Shongming; Marques, Carlos P. (Italian Society of Silviculture and Forest Ecology (SISEF), 2016)
      Tree height is a key variable in forest monitoring studies and for forest management. However, tree height measurement is time consuming, and the recommended procedure is to use estimates from height-diameter models. ...
    • Nutritional prescriptions for Eucalyptus plantations: lessons learned from Spain 

      Viera, Márcio; Ruíz Fernández, Federico; Rodríguez Soalleiro, Roque (MDPI, 2016-04-15)
      Eucalyptus globulus Labill is the main exotic broadleaf species planted and managed for pulp and energy production in Spain, where it covers an area of more than 0.6 million ha. The climatic and soil conditions of the ...
    • A new approach to defining rotation ages on the basis of productive and technological aspects. Application to natural Pinus sylvestris L. stands in Central Spain 

      Rojo Alboreca, Alberto; García Villabrille, Juan Daniel; Corral-Rivas, José Javier; Alía, Ricardo; Montero, Gregorio (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 2017)
      Aim of study: To propose a new approach to defining rotation ages on the basis of productive and technological aspects and to present an example of application of the methodology to natural Pinus sylvestris stands in ...
    • An Analysis of Non-State and State Approaches for Forest Certification in Mexico 

      García-Montiel, Emily; Cubbage, Frederick; Rojo Alboreca, Alberto; Lujan-Álvarez, Concepción; Montiel-Antuna, Eusebio; Corral-Rivas, José Javier (MDPI, 2017)
      Mexico has had a non-state forest certification system under the Forest Stewardship Council (FSC) since it was initiated in 1993, and developed a new state-sponsored Mexican Forest Certification System (MFCS) that began ...
    • Novel approach to assessing residual biomass from pruning: A case study in Atlantic Pinus pinaster Ait. timber forests 

      Hevia Cabal, Andrea; Crabiffosse Barrero, Alejandra; Álvarez González, Juan Gabriel; Ruiz González, Ana Daría; Majada Guijo, Juan Pedro (Elsevier, 2017)
      Forestry residual biomass from pruning operations is an important, though little studied, potential resource. Residues normally remain in the stand, since tools for their accurate quantification do not exist and it has no ...
    • Effect of soil storage at 4 °C on the calorespirometric measurements of soil microbial metabolism 

      Barros Pena, Nieves; Feijoo Juarros, Sergio; Pérez Cruzado, César; Hansen, Lee D. (AIMS Press, 2017)
      Soil samples must usually be stored for a time between collection and measurements of microbial metabolic properties. However, little is known about the influence of storage conditions on microbial metabolism when studied ...
    • Use of multi-temporal UAV-derived imagery for estimating individual tree growth in Pinus pinea stands 

      Guerra Hernández, Juan; González Ferreiro, Eduardo Manuel; Monleón, Vicente; Faias, Sonia; Tomé, Margarida; Díaz Varela, Ramón Alberto (MDPI, 2017)
      High spatial resolution imagery provided by unmanned aerial vehicles (UAVs) can yield accurate and efficient estimation of tree dimensions and canopy structural variables at the local scale. We flew a low-cost, lightweight ...
    • Comparison of ALS based models for estimating aboveground biomass in three types of Mediterranean forest 

      Görgens, Eric B; García-Gutiérrez, Jorge; Guerra Hernández, Juan; Estraviz Rodriguez, Luiz Carlos; Tomé, Margarida; González Ferreiro, Eduardo Manuel (Taylor & Francis, 2017-02-17)
      This study aimed to develop ALS-based models for estimating stem, crown and aboveground biomass in three types of Mediterranean forest, based on low density ALS data. Two different modelling approaches were used: (i) ...
    • Modelling the vertical distribution of canopy fuel load using national forest inventory and low-density airbone laser scanning data 

      González Ferreiro, Eduardo Manuel; Arellano Pérez, Stéfano; Castedo Dorado, Fernando; Hevia Cabal, Andrea; Vega, José Antonio; Vega-Nieva, Daniel Jose; Álvarez González, Juan Gabriel; Ruiz González, Ana Daría (Public Library of Science, 2017-04-27)
      The fuel complex variables canopy bulk density and canopy base height are often used to predict crown fire initiation and spread. Direct measurement of these variables is impractical, and they are usually estimated ...
    • Site index curves for natural Aleppo pine forests in the central Ebro valley (Spain) 

      Rojo Alboreca, Alberto; Cabanillas-Saldaña, Ana María; Barrio Anta, Marcos; Notivol-Paíno, Eduardo; Gorgoso Varela, Jose Javier (Instituto de Ecología, A.C., 2017-05-04)
      Site index curves were created for natural Aleppo pine (Pinus halepensis Mill.) stands in the Ebro Valley (northeastern Spain). Data were obtained from 54 felled dominant trees. The Generalized Algebraic Difference Approach ...
    • Assessing site quality using the National Forest Inventory 

      Moreno Fernández, Daniel; Álvarez González, Juan Gabriel; Rodríguez Soalleiro, Roque; Pasalodos Tato, María; Cañellas, Isabel; Montes, Fernando; Díaz-Varela, Emilio; Sánchez-González, Mariola; Crecente-Campo, Felipe; Álvarez Álvarez, Pedro; Barrio Anta, Marcos; Pérez Cruzado, César (2017-06-28)
      Site productivity of forests is often evaluated thorough the site quality. Different indices can be used to measure site quality but the site index (relationship between dominant height and age) is the most employed. ...
    • Dynamics of land use and land cover in a Mexican national park 

      Pineda López, María del Rosario; Ruelas Inzunza, Ernesto; Sánchez-Velásquez, Lázaro R.; Espinoza Guzmán, Marco A.; Rojo Alboreca, Alberto; Vásquez-Morales, Suria G. (Instituto de Ecología, A.C., 2017-11-18)
      To understand the dynamics of land cover at the Parque Nacional Cofre de Perote, the rates of change in land use were compared at two different scales during the period 1995-2004. At the meso scale, these patterns were ...
    • Selección de criterios sociales y ambientales para la delimitación de núcleos rurales en Galicia, España 

      Barbosa Brandão, Vasco André; Pérez Rodríguez, Fernando; Rojo Alboreca, Alberto; Ferreira Neto, José Ambrósio (Universidad del Zulia. Facultad de Agronomía, 2018)
      Los núcleos rurales (NR) son una referencia de la realidad territorial del asentamiento de un pueblo y constituyen un conjunto de construcciones sociales y culturales. Su delimitación es una de las tareas más importantes ...
    • Assessing the effect of pruning and thinning on crown fire hazard in young Atlantic maritime pine forests 

      Hevia Cabal, Andrea; Crabiffosse Barrero, Alejandra; Álvarez González, Juan Gabriel; Ruiz González, Ana Daría; Majada Guijo, Juan Pedro (Elsevier, 2018)
      Management of fuel to minimize crown fire hazard is a key challenge in Atlantic forests, particularly for pine species. However, a better understanding of effectiveness of silvicultural treatments, especially forest pruning, ...
    • Mapas nacionales de calidad de estación para Pinus sylvestris, Pinus nigra, Pinus pinaster, Fagus sylvatica y Quercus pyrenaica 

      Moreno Fernández, Daniel; Álvarez González, Juan Gabriel; Rodríguez Soalleiro, Roque; Cañellas, Isabel; Montes, Fernando; Pérez Cruzado, César (Asociación y Colegio Oficial de Ingenieros Técnicos Forestales y Graduados en Ingeniería Forestal y del Medio Natural, 2018)
      La determinación de la calidad de estación de un rodal es fundamental para poder establecer una gestión sostenible de los recursos. La mayor parte de los trabajos que estudian las variables que explican la calidad de ...
    • Modelo dinámico de rodal para Eucalyptus globulus (L.) en Uruguay 

      Hirigoyen, Andrés; Franco, Jorge; Diéguez Aranda, Ulises; Hirigoyen (Universidad de la República (Uruguay), 2018)
      Los modelos dinámicos a nivel de rodal son ampliamente usados en el ámbito forestal. Para su ajuste se emplean datos empíricos que se integran en un conjunto de ecuaciones que describen las relaciones entre diferentes ...
    • National-scale assessment of forest site productivity in Spain 

      Moreno Fernández, Daniel; Álvarez González, Juan Gabriel; Rodríguez Soalleiro, Roque; Pasalodos Tato, María; Cañellas, Isabel; Montes, Fernando; Díaz Varela, Emilio Rafael; Sánchez González, Mariola; Crecente Campo, Felipe; Álvarez Álvarez, Pedro; Barrio Anta, Marcos; Pérez Cruzado, César (Elsevier, 2018-05-15)
      Sustainable production of wood is one of the main services provided by forest systems. Site productivity in the case of forests is often evaluated through the site quality. However, most of the works addressing the site ...
    • Exploring the factors affecting carbon and nutrient concentrations in tree biomass components in natural forests, forest plantations and short rotation forestry 

      Rodríguez Soalleiro, Roque; Eimil Fraga, Cristina; Gómez García, Esteban; García Villabrille, Juan Daniel; Rojo Alboreca, Alberto; Muñoz, Fernando; Oliveira Rodríguez, Nerea de; Sixto, Hortensia; Pérez Cruzado, César (SpringerOpen, 2018-11-05)
      Background: Coupling biomass models with nutrient concentrations can provide sound estimations of carbon and nutrient contents, enabling the improvement of carbon and nutrient balance in forest ecosystems. Although ...





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