RT Journal Article
T1 Modelling stand biomass fractions in Galician Eucalyptus globulus plantations by use of different LiDAR pulse densities
A1 González Ferreiro, Eduardo
A1 Miranda Barrós, David
A1 Barreiro Fernández, Laura
A1 Buján Seoane, Sandra
A1 García Gutiérrez, Jorge
A1 Diéguez Aranda, Ulises
K1 Eucalypt plantations
K1 Airborne laser scanning
K1 Aboveground biomass
K1 Carbon stocks
K1 Remote sensing
K1 Forest inventory
AB Aims of study: To evaluate the potential use of canopy height and intensity distributions, determined by airborne LiDAR, for the estimation of crown, stem and aboveground biomass fractionsTo assess the effects of a reduction in LiDAR pulse densities on model precisionArea of study: The study area is located in Galicia, NW Spain. The forests are representative of Eucalyptus globules stands in NW Spain, characterized by low-intensity silvicultural treatments and by the presence of tall shrubMaterial and methods: Linear, multiplicative power and exponential models were used to establish empirical relationships between field measurements and LiDAR metricsA random selection of LiDAR returns and a comparison of the prediction errors by LiDAR pulse density factor were performed to study a possible loss of fit in these modelsMain results: Models showed similar goodness-of-fit statistics to those reported in the international literature. R2 ranged from 0.52 to 0.75 for stand crown biomass, from 0.64 to 0.87 for stand stem biomass, and from 0.63 to 0.86 for stand aboveground biomass. The RMSE/MEAN · 100 of the set of fitted models ranged from 17.4% to 28.4%Models precision was essentially maintained when 87.5% of the original point cloud was reduced, i.e. a reduction from 4 pulses m–2 to 0.5 pulses m–2Research highlights: Considering the results of this study, the low-density LiDAR data that are released by the Spanish National Geographic Institute will be an excellent source of information for reducing the cost of forest inventories
PB Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)
SN 2171-5068
YR 2013
FD 2013
LK http://hdl.handle.net/10347/21592
UL http://hdl.handle.net/10347/21592
LA eng
NO Gonzalez-Ferreiro, E. et al.(2013). Modelling stand biomass fractions in Galician Eucalyptus globulus plantations by use of different LiDAR pulse densities. "Forest Systems", vol.  22, n. 3 p.510-525
NO Galician Government, Xunta de Galicia, Dirección Xeral de Montes (09MRU022291PR); Norvento (Multinationalenergy company) (PGIDT09REM023E); Galician Government, Dirección Xeral de Ordenacióne Calidade do Sistema Universitario de Galicia (Consellería de Educación e Ordenación Universitaria) andEuropean Social Fund (Official Journal of Galicia –DOG nº 9, p. 2246, exp. 2011/14)
DS Minerva
RD 28 abr 2026