Fernando Castedo-Dorado

Fernando Castedo-Dorado
Universidad de León | UNILEON · Department of Engineering and Agricultural Sciences

PhD

About

115
Publications
78,088
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2,435
Citations
Additional affiliations
July 2008 - present
Universidad de León
Position
  • Professor (Associate)
July 2008 - present
Universidad de León
Position
  • Professor (Associate)
May 1998 - November 2000
University of Santiago de Compostela
Position
  • Researcher

Publications

Publications (115)
Conference Paper
Dryocosmus kuriphilus (Hymenoptera, Cynipidae) es considerado la principal plaga del castaño a nivel mundial. En España se detectó por primera vez en 2012, extendiéndose rápidamente por todas las zonas donde el castaño está presente, causando importantes pérdidas económicas. La entrada de una especie nueva puede influir en la presencia y abundancia...
Conference Paper
Full-text available
Dryocosmus kuriphilus (Hymenoptera, Cynipidae) es considerado la principal plaga del castaño a nivel mundial. En España se detectó por primera vez en 2012, extendiéndose rápidamente por todas las zonas donde el castaño está presente, causando importantes pérdidas económicas. La entrada de una especie nueva puede influir en la presencia y abundancia...
Conference Paper
Full-text available
Los clones híbridos eurasiáticos de castaño (C. sativa × C. crenata y C. sativa × C. mollissima) se pueden propagar de forma masiva por diferentes métodos, destacando el acodo bajo, el estaquillado y la micropropagación mediante el cultivo de tejidos en condiciones in vitro. No existen estudios sobre la influencia que estos métodos de propagación p...
Article
In this study, we used data from a thinning trial conducted on 34 different sites and 102 sample plots established in pure and even-aged Pinus radiata and Pinus pinaster stands, to test the potential use of low-density airborne laser scanning (ALS) metrics and terrestrial laser scanning (TLS) metrics to provide accurate estimates of variables relat...
Article
Full-text available
The chestnut gall wasp Dryocosmus kuriphilus is a major insect pest affecting chestnut trees worldwide. Medium and long-term control of this pest can be improved by using resistant or less susceptible cultivars and hybrid clones. In addition, little is known about the local patterns of dispersal of the pest. We obtained data from trees of 3 chestnu...
Conference Paper
Full-text available
Populus4D is a web-based tool to estimate growth and yield in clonal plantations of Populus × euroamericana and P. × interamericana by using models based on easy-to-gather field data. Five new yield and growth models have been developed and integrated in the tool, one for each one of the most planted poplar clones in Spain. Timber volume is the 3D...
Article
Full-text available
Planting eucalypt stands in the Iberian Peninsula is controversial. In Galicia (NW Spain) the area covered by eucalypts and the intensity of eucalypt timber harvesting are among the highest in Europe. In this region, management plans for forest resources are intended for relatively homogeneous territorial units, smaller than the province, called fo...
Article
Full-text available
El pino pinaster es una especie forestal con gran versatilidad ecológica que en la Península Ibérica ha sido clasificada tradicionalmente en dos poblaciones o subespecies diferentes: atlántica y mediterránea. Las poblaciones españolas de pino pinaster atlántico parece que se expandieron a través de Galicia durante el siglo XIX procedentes de Portug...
Article
Full-text available
• Global climate change affects the frequency of extreme weather events that can influence plant–insect interactions. • We evaluated how the late‐spring frost and severe drought that occurred in Spain in 2017 affected interactions between the invasive gall insect, Dryocosmus kuriphilus, and the native tree, Castanea sativa. We assessed effects on i...
Article
Full-text available
The success of invasive species largely depends on the resistance offered by the native communities. Dryocosmus kuriphilus is a cynipid native from China that is a serious pest of chestnuts worldwide. This species recruits natural enemies in the areas of introduction; nevertheless, their role in regulating pest population is frequently questioned,...
Article
Full-text available
Lightning-caused fires (LCF) and fire environments influenced by thunderstorms are increasingly implicated in extreme wildfire events around the world, with devastating consequences to society and the environment. However, the disaster potential inherent to LCF is often neglected, especially where the fire regime is determined mostly by anthropogen...
Article
Full-text available
The goals of this study were to analyze the current status of eucalypt plantations in northern Spain and to assess current and future potential expansion of these plantations under climate change. The findings showed that the area occupied by Eucalyptus globulus has increased greatly (by 4.6 times) in northern Spain in the last 50 years, to reach t...
Article
Dryocosmus kuriphilus (Hymenoptera: Cynipidae) was first detected in Galicia (NW Spain) in 2014. The wasp then began to spread by stratified dispersal, with the local abundance increasing thereafter. In this study, we analysed location data on wasp‐attacked trees, with the following aims: (i) to determine the relative importance of short distance d...
Article
It is widely accepted that the relationship between lightning wildfire occurrence and its influencing factors vary depending on the spatial scale of analysis, making the development of models at the regional scale advisable. In this study, we analyze the effects of different biophysical variables and lightning characteristics on lightning‐caused fo...
Article
Full-text available
Key message By combining inventory data and spatially-continuous environmental information, we were able to develop models for Atlantic populations of maritime pine (Pinus pinaster Aiton) in Spain in order to predict suitable habitat and site index at a spatial resolution of 250 × 250 m. &Context Currently available, spatially continuous environmen...
Article
Fuel hazard reduction is an essential component of pine plantation management. In NW Spain, plantation managers assume that thin-only reduces the potential fire behavior and effects by decreasing the quantity and continuity of canopy fuels. Nevertheless, thin-only can alter additional variables than control fire behavior and effects such as surface...
Article
Full-text available
Key message Site form and site index have shown similar precision for estimating site quality in even-aged Pinus radiata D. Don stands in north-western Spain. Additionally, SF presents the advantage that it does not require stand age information and can therefore be used in a wider set of situations in the forestry practice. ContextEstimation of si...
Article
Full-text available
Revista de la Asociación de Propietarios Forestales de Asturias (Profoas). http://www.profoas.com/viesca-astur/
Article
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The analysis of the diameter distribution is important for forest management since the knowledge of tree density and growing stock by diameter classes is essential to define management plans and to support operational decisions. The modeling of diameter distributions from airborne laser scanning (ALS) data has been performed through the two-paramet...
Article
Full-text available
p>Canopy fuel load, canopy bulk density and canopy base height are structural variables used to predict crown fire initiation and spread. Direct measurement of these variables is not functional, and they are usually estimated indirectly by modelling. Advances in fire behaviour modelling require accurate and landscape scale estimates of the complete...
Poster
Full-text available
The Asian chestnut gall wasp (ACGW) Dryocosmus kuriphilus has become one of the major threats to the Castanea sativa trees in most European countries, and also in Spain. In Galicia (northwestern Spain), the area with highest chestnut production of the country, it was firstly detected in 2014, being currently spread throughout the region. The intera...
Poster
Full-text available
Dryocosmus kuriphilus Yasumatsu, 1951 (Hymenoptera: Cynipidae) also known as Asian chestnut gall wasp (ACGW) is a globally invasive species which has spread from China to Japan, USA and more recently Europe, that causes severe damages in chestnut trees (Castanea spp. In Galicia (northwestern Spain) ACGW was firstly detected in 2014, being currently...
Article
Full-text available
Drought stress causes a reduction in tree growth and forest productivity, which could be aggravated by climate warming and defoliation due to moth outbreaks. We investigate how European gypsy moth (Lymantria dispar dispar L., Lepidoptera: Erebidae) outbreak and related climate conditions affected growth and wood features in host and non-host tree s...
Article
Full-text available
Background: Crown fires are often intense and fast spreading and hence can have serious impacts on soil, vegetation, and wildlife habitats. Fire managers try to prevent the initiation and spread of crown fires in forested landscapes through fuel management. The minimum fuel conditions necessary to initiate and propagate crown fires are known to be...
Article
We evaluated the use of low-density airborne laser scanning data to estimate diameter distributions in radiata pine plantations. The moment-based parameter recovery method was used to estimate the diameter distributions, considering LiDAR metrics as explanatory variables. The fitted models explained more than 77% of the observed variability. This a...
Article
Full-text available
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 indirectly by modelling. Recent advances in predicting crown fire behaviour require accurate estimates of the complete vertical distrib...
Article
Full-text available
Resumen En este trabajo se presentan los resultados del seguimiento de un brote epidémico del insecto defoliador Lymantria dispar ocurrido en El Bierzo (León) en los años 2012 y 2013. La principal peculiaridad de este brote es que el insecto defolió fundamentalmente rodales de Pinus radiata, a pesar de existir en la zona otros huéspe-des a priori m...
Article
This study presents the characteristics of cloud-to-ground lightning in the province of León (Spain), based on data collected via the lightning detection network of the Spanish Meteorological Agency. A total of 146 081 flashes and 279 220 strokes were recorded between 2000 and 2010. Spatial analysis (total, negative and positive flash density, and...
Article
Full-text available
Background Like most pines, radiata pine (Pinus radiata D.Don) is conventionally considered resistant to defoliation by European gypsy moth, i.e. it is only consumed by late larval stages, or when susceptible species are not available or are scarce. The ability of this moth to complete development on this host in field conditions has never been rep...
Article
Lightning-induced fire occurrence was assessed for the central plateau of the Iberian Peninsula based on topography, vegetation, meteorology and lightning characteristics. Two different methods were used for analysis purposes: logistic regression (a traditional parametric model) and random forest (a non-parametric alternative based on an ensemble o...
Article
Stem taper functions predict diameter variation along the tree stem, enabling to estimate merchantable volume according to market requirements. In this study, a stem taper function for Pinus sylvestris in Turkey was developed using the mixed-effects modelling approach, which allows some parameters to include a fixed part (common to the whole popula...
Article
Full-text available
In Table 4, the value for δ in the “MM3 (a1, b3)” column is incorrect. Please see the corrected Table 4 here. Table 4 Parameter estimates of the fixed-effects model (fitted by OLS, FMOLS) and the recommended mixed-effects model (expanding a1 and b3 with random effects, MM3), fitted using the whole data set. The value for “delta” in the S1 Append...
Data
R implementation of the calibration procedure for a multilevel mixed-effects model based on stem taper function of Kozak (2004). (ZIP)
Article
Full-text available
Five stem taper models belonging to three different taper function categories were fitted to data corresponding to 282 Pseudotsuga menziesii trees. The trees were selected in the area surrounding 61 research plots installed in Galicia, Asturias and the Basque Country (northern Spain). The models were simultaneously fitted to observed values of diam...
Article
Full-text available
Stem taper data are usually hierarchical (several measurements per tree, and several trees per plot), making application of a multilevel mixed-effects modelling approach essential. However, correlation between trees in the same plot/stand has often been ignored in previous studies. Fitting and calibration of a variable-exponent stem taper function...
Article
Effective silvicultural strategies for reducing the likelihood and severity of crown fires include increasing canopy base height (CBH) and reducing canopy bulk density (CBD). These variables depend to a certain degree on stand structure and are therefore responsive to stand density management through thinning. In this study, data from permanent sam...
Article
Full-text available
The parsimonious taper function proposed by Riemer et al. (1995. Allg. Forst.- Jagdztg. 166(7): 144–147) was fitted for radiata pine (Pinus radiata D. Don) stems in Spain by using a nonlinear mixed modelling approach. Eight candidate models (all possible expansion combinations of the three fixed parameters with random effects) were assessed, and th...
Article
Full-text available
Context Density management diagrams (DMDs) are useful for designing, displaying and evaluating alternative density management regimes for a given stand-level management objective. The inclusion of variables related to crown fire potential within DMDs has not previously been considered. • Aims To The aim of this study was to include isolines of...
Article
Full-text available
Several model forms were analyzed to develop a height-diameter (h-d) relationship for even-aged, birch-dominated stands (8,454 h-d pairs of 198 plot-inventory combinations) in northwestern Spain. A basic model (which includes only d as predictor) and a generalized model (which also considers stand variables as regressors) were selected from among a...
Article
We used data from Pinus pinaster Ait. and Pinus sylvestris L. trees growing in single-species even-aged stands in northwestern Spain to develop crown profile models. Such models are key components of growth and yield models, and they are also important for assessing competitive level, microclimate, tree vigour, mechanical stability, biological dive...
Article
Full-text available
Context The fuel complex variables canopy bulk density and canopy base height are often used to determine crown fire initiation and spread. Direct measurement of these variables is impractical, and they must be estimated indirectly. Aims The objectives of the present study were to model the vertical profile of available crown fuel in maritime an...
Article
Crown fire initiation and spread are key elements in gauging fire behaviour potential in conifer forests. Crown fire initiation and spread models implemented in widely used fire behaviour simulation systems such as FARSITE and FlamMap require accurate spatially explicit estimation of canopy fuel complex characteristics. In the present study, we eva...
Article
Understanding the relationships between forest overstory and the understory shrub layer is important for predicting biomass changes in response to forest management. The shrub fuel stratum is a critical fire hazard in the Mediterranean region, hence managing the canopy cover to control the understory could be an option for managing fire hazard. In...
Article
Full-text available
En este trabajo se presentan modelos paramétricos y no paramétricos (árboles de regresión mediante el algoritmo CHAID) que permiten predicir el índice de sitio de las masas asturianas de Pinus pinaster en función de variables climáticas, edáficas, fisiográficas y de concentración foliar de nutrientes. Los árboles de regresión optenidos mediante el...
Article
Full-text available
Context The scaling-up approach (which requires the use of individual tree biomass equations and data) is one of the most commonly used methods for estimating stand biomass at a local scale. However, biomass prediction over large management areas requires more efficient methods. Aims Two methods of estimating aboveground stand biomass were develope...
Article
The probability of fire in a particular area depends on a range of environmental and geographic variables. Fire prevention planning can be assisted by the construction of models to identify the variables that have a significant influence on the occurrence of fires and by building maps showing the spatial probability distribution for fires occurring...
Article
In lightning-induced fire risk prediction models, the number of potential predictors is usually high, with some redundancy among them. It is therefore important to select the best subset of predictors that obtain models with the greatest discrimination capacity. With this aim in mind, the logistic generalized linear model was used to estimate light...
Book
Full-text available
This book presents a review of forest models developed in Spain in recent years for both, timber and non timber production and forest dynamics (regeneration, mortality,...). It reviews the key factors that regulate growth and demographic processes included in the described models with special emphasis on productivity, density and competition. The m...
Article
Full-text available
In this paper we present a review of forest models developed in Spain in recent years for both timber and non timber production and forest dynamics (regeneration, mortality,..). Models developed are whole stand, size (diameter) class and individual-tree. The models developed to date have been developed using data from permanent plots, experimental...
Article
Full-text available
• Background The effects of foliar nutrients and environmental variables on site productivity in Maritime pine (Pinus pinaster Ait.) stands in Asturias (NW Spain) were studied. • Methods Site productivity was evaluated by means of site index. The environmental characteristics considered included physiographic, edaphic and climatic variables. Two di...
Article
Full-text available
Spatial relationships between lightning-induced forest fires and topography, vegetation, climate and lightning characteristics were analyzed in the province of León (NW Spain). The study was based on reported lightning-induced forest fires in the period 2002-2007. A statistical model based on logistic regression was developed to estimate the probab...
Article
Full-text available
A basal area growth system for single-species, even-aged maritime pine (Pinus pinaster Ait.) stands in Galicia (northwestern Spain) was developed from data of 212 plots measured between one and four times. Six dynamic equations were considered for analysis, and both numerical and graphical methods were used to compare alternative models. The double...
Article
Full-text available
Measuring the height of a tree takes longer than measuring its diameter at breast height and often only the heights of a subset of trees of known diameter are measured in forest inventories. Since trees with the same diameter are not usually of the same height, even within the same stand, a stochastic component was added to the deterministic height...
Conference Paper
Full-text available
This paper presents the latest version of GesMO 2009, a growth and yield simulator for single-species, even-aged stands. This software has been developed by members of the research group "Sustainable Forest Management Unit” (UXFS, its acronym in Galician), from the University of Santiago de Compostela (Spain), and can be free downloaded at ©http://...