An ecoregional model for estimating volume, biomass and carbon pools in maritime pine stands in Galicia (northwestern Spain)

Barrio-Anta, Marcos; Balboa-Murias, Miguel Ángel; Castedo‐Dorado, Fernando; Diéguez-Aranda, Ulises; González, Juan Gabriel Álvarez

doi:10.1016/j.foreco.2005.10.073

Cited by 44 publications

(19 citation statements)

References 25 publications

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“…RS is useful in stand density management because it is independent of site quality and stand age, except in very young stands, and because from a biological point of view, dominant height is one of the best criteria for establishing thinning intervals (Barrio-Anta & Álvarez-González 2005). The association between dominant height growth and forest production adds further utility to these diagrams for forest management purposes (Barrio-Anta et al 2006). As Q. pyrenaica stands are natural forests that are influenced by management (e.g., as a source of firewood), we assumed a triangular spacing between trees, so that RS can be expressed as follows (eqn.…”

Section: Construction Of the Sdmdsmentioning

confidence: 99%

“…9 -Bates & Watts 1988) have been applied to the analysis of differences among geographic regions (e.g. Álvarez-González et al 2005, Barrio-Anta et al 2006, Adame et al 2008. In the present study, both methods were used for the simultaneous detection of homogeneity among the regression coefficients of the stand aboveground biomass equation (eqn.…”

Section: Comparisons Of Different Regionsmentioning

confidence: 99%

“…The isolines were obtained by solving for N in eqn. 3-7 (see Barrio-Anta et al 2006, for more details). The quadratic mean diameter isolines were represented in the diagrams, using constant values for dg and solving eqn.…”

Section: Sdmds Graphical Representationmentioning

confidence: 99%

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Regional-scale stand density management diagrams for Pyrenean oak (Quercus pyrenaica Willd.) stands in north-west Spain

Castaño-Santamaría¹,

Barrio-Anta²,

Álvarez‐Álvarez³

2013

iForest

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Stand Density Management Diagrams are useful tools for designing and evaluating alternative density management regimes without the need of implementing any silvicultural action, and allowing the future stand conditions to be predicted prior to implementing management schedules. In this study, stand density management diagrams were developed for Pyrenean oak (Quercus pyrenaica Willd.) stands in north-west Spain by including data on stand volume, stand aboveground biomass, stand stem biomass and carbon pools. Data were obtained from Third National Forest Inventory plots (n=1860). The large geographical area analyzed in this study was classified by provenance regions, which were compared in terms of biomass production in order to define areas with similar characteristics for use as management units. The comparisons identified 6 independent groups. Different stand-level models and the associated diagrams for the aforementioned stand variables were therefore developed for each group

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Section: Construction Of the Sdmdsmentioning

confidence: 99%

Section: Comparisons Of Different Regionsmentioning

confidence: 99%

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Regional-scale stand density management diagrams for Pyrenean oak (Quercus pyrenaica Willd.) stands in north-west Spain

Castaño-Santamaría¹,

Barrio-Anta²,

Álvarez‐Álvarez³

2013

iForest

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“…This requires field tree measurements and the development of models and tools such as height growth models and biomass or volume equations, to represent in a simplified way the complexity of forest ecosystem dynamics (Burkhart & Tomé, 2012). Numerous static (Barrio-Anta et al, 2006;Diéguez-Aranda et al, 2006;Menéndez-Miguélez et al, 2014) and dynamic models (Castedo-Dorado et al, 2007;Crecente-Campo, 2008) are now available for different forest species. These models allow managers to simulate forest dynamics and growth, with the prediction of how forests will be at particular times in the future, helping them to make sound decisions regarding sustainable management.…”

Section: Introductionmentioning

confidence: 99%

Resource communication: ApkFor©, an Android Open-Source Project for research and technology transfer in forest management

2018

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Aim of the study: To introduce and describe ApkFor © , an Android Open-Source Project to generate basic mobile applications to transfer forest growth and yield models for even-aged stands.Material and methods: ApkFor © was developed in Android Studio using Java and XML languages integrating transition functions for dominant height and basal area, equations of tree and stand volume and structural models. The project was applied and validated for Pinus pinaster Ait. stands in Northeastern Portugal.Main results: ApkFor © is an Open-Source project freely available from the Source Force repository: https://sourceforge.net/projects/ apkfor/, licensed under the GNU General Public License version 3.0 (GPLv3).Research highlights: This project has been designed and created to provide the code and promote its re-use and modification to develop simple growth and yield mobile applications in Android, and with it to transfer research results of forest modelling to forest managers. Moreover, an example of application of the compiled code is provided using the models of Pinus pinaster Ait. previously validated for the Northeastern Region of Portugal.Additional keywords: Java; growth and yield; dynamic models; Pinus pinaster Ait.; Northeastern Portugal.

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“…El Protocolo de Kioto expresa la posibilidad de utilizar los bosques como sumideros de carbono mediante, entre otras acciones, la capacidad de captación de CO2 de los sistemas forestales a través de actuaciones selvícolas (Montero et al, 2005a(Montero et al, , 2005b, factor que cobra especial importancia en masas regeneradas post-incendio, teniendo en cuenta las importantes emisiones que se producen durante la combustión. Existen diversas experiencias recientes para esta especie y otras coníferas que permiten estimar la biomasa y el C fijado (Barrio-Anta et al, 2006;Cabal et al, 2005;Herrero et al, 2005), así como la influencia que sobre ello tienen los tratamientos selvícolas (Montero et al, 2004;Osorio et al, 2006), aunque son escasas las relativas a masas jó-venes procedentes de regenerado post-incendio (Vega et al, 2002;Vega et al, 2005).…”

Section: Introductionunclassified

Biomass accumulation and carbon sequestration after heavy mechanical thinning on post-fire Pinus pinaster seedlings (Monte ‘Fraguas’, Guadalajara, Central Spain)

et al. 2006

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ResumenSe ha llevado a cabo una experiencia en el monte «Fraguas» (Guadalajara, España) que fue afectado por un incendio en 1992, para evaluar la biomasa acumulada en las diversas fracciones de brinzales post-incendio de Pinus pinaster y cuantificar las diferencias observadas como consecuencia de diferentes intervenciones de clareo mecanizado intenso y muy intenso. Se realizó un diseño por bloques al azar estableciendo 9 parcelas permanentes de 20 m´20 m (3 repeticiones por bloque), en las cuales se llevó a cabo un inventario dendrométrico anual desde 2000 a 2004 y un inventario destructivo de biomasa cada dos años, extrayendo de cada tratamiento 10 pies representativos por clases diamétricas. Se han elaborado modelos de tipo potencial (y = ax b ) para relacionar las variables dendrométricas con la biomasa obtenida en los muestreos destructivos. Los mejores ajustes se obtuvieron para el diámetro de la base del fuste con los diferentes valores de biomasa (r 2 entre 0,80 y 0,97). Los inventarios anuales permitieron establecer la evolución en la fijación de C a lo largo del período de estudio.Los resultados muestran que la biomasa acumulada en las distintas partes del árbol difiere significativamente entre los tratamientos efectuados, obteniendo unos incrementos de C tanto mayores cuanto más intenso fue el tratamiento, sobre todo los dos primeros años. Sin embargo, el C fijado en la masa (t/ha) fue significativamente mayor en el tratamiento testigo.Por tanto, si bien los tratamientos han aumentado el vigor de la masa de porvenir y pueden constituir una práctica interesante desde el punto de vista de la prevención de incendios, provocan una exportación importante de C fijado.Palabras clave: regeneración post-incendio, tratamiento selvícola, biomasa, carbono, pino rodeno. AbstractBiomass accumulation and carbon sequestration after heavy mechanical thinning on post-fire Pinus pinaster seedlings (Monte 'Fraguas', Guadalajara, Central Spain)An experience has been conducted on a Pinus pinaster stand in Guadalajara (Central Spain) affected by a wildfire in 1992 to evaluate biomass allocation of different seedling fractions and to quantify the differences between two heavy pine seedling mechanical thinnings. Nine permanent plots (20 m´20 m) were installed in the study area, in 2000. After measuring initial seedling density (10,000 seedlings/ha), a completely randomized block design was used. Three plots remained as control, three were treated with a heavy pine seedling thinning and the other three were treated with a very heavy pine seedling thinning. In each plot, a yearly dasonomic inventory and a biomass destructive inventory every two years, removing 10 representative seedlings of each treatment, were carried out. Multiplicative models (y = ax b ) have been elaborated in order to relate dasometric variables with the biomass obtained through destructive samplings. The highest correlation coefficients (from 0.80 to 0.97) were obtained for the stem groundline diameter.Results show that biomass accumulation of different se...

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An ecoregional model for estimating volume, biomass and carbon pools in maritime pine stands in Galicia (northwestern Spain)

Cited by 44 publications

References 25 publications

Regional-scale stand density management diagrams for Pyrenean oak (Quercus pyrenaica Willd.) stands in north-west Spain

Regional-scale stand density management diagrams for Pyrenean oak (Quercus pyrenaica Willd.) stands in north-west Spain

Resource communication: ApkFor©, an Android Open-Source Project for research and technology transfer in forest management

Biomass accumulation and carbon sequestration after heavy mechanical thinning on post-fire Pinus pinaster seedlings (Monte ‘Fraguas’, Guadalajara, Central Spain)

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