Site Quality Curves for Birch Stands in North-Western Spain
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Título: | Site Quality Curves for Birch Stands in North-Western Spain |
Autor/a: | Diéguez Aranda, Ulises Grandas Arias, José Antonio Álvarez González, Juan Gabriel Gadow, Klaus von |
Centro/Departamento: | Universidade de Santiago de Compostela. Departamento de Enxeñaría Agroforestal |
Palabras chave: | Site quality | Generalized algebraic difference approach | Base-age invariant dynamic equation | Hossfeld model | Betula pubescens | Galicia | |
Data: | 2006 |
Editor: | Finnish Society of Forest Science |
Cita bibliográfica: | Diéguez-Aranda, U., Grandas-Arias, J. A., Álvarez-González, J. G., & von Gadow, K. (2006). Site quality curves for birch stands in north-western Spain. Silva Fennica, 40(4), 631. |
Resumo: | A model for predicting the height growth of even-aged, birch (Betula pubescens Ehrh.) dominated stands in Galicia (north-western Spain) was developed. Data from stem analysis of 214 trees were used for model construction. Two dynamic site equations derived with the generalized algebraic difference approach (GADA) were tested, which combine compatible site index and height models in one common equation. Both equations are base-age invariant and directly estimate height and site index from any height and age. The fittings were done in one stage using the base-age-invariant dummy variables method. A second-order continuous-time autoregressive error structure was used to correct the inherent autocorrelation of the longitudinal data used in this study. Cieszewski’s model best described the data. This model is therefore recommended for height growth prediction and site classification of birch stands in Galicia. |
Versión do editor: | https://doi.org/10.14214/sf.319 |
URI: | http://hdl.handle.net/10347/22692 |
DOI: | 10.14214/sf.319 |
ISSN: | 0037-5330 |
E-ISSN: | 2242-4075 |
Dereitos: | © The Authors, 2006. This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) license |
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