SITE INDEX MODEL FOR NATURAL STANDS OF REBOLLO OAK (Quercus pyrenaica Willd.) IN GALICIA, NW IBERIAN PENINSULA

SITE INDEX MODEL FOR NATURAL STANDS OF REBOLLO OAK (Quercus pyrenaica Willd.) IN GALICIA, NW IBERIAN PENINSULA

ABSTRACT Data from stem analysis of 56 dominant trees of Quercus pyrenaica Willd., in natural stands in Galicia (NW Iberian Peninsula), were used to evaluate four dynamic site equations derived with the Generalized Algebraic Difference Approach (GADA). All the equations are base-age invariant and directly estimate height and site index from any height and age. The fittings were made using a data structure involving all possible growth intervals. The GADA formulation derived on the basis of the Bertalanffy-Richards model by considering the asymptote and the initial pattern parameters as related to site productivity. It is therefore recommended for height growth prediction and site classification for natural stands of rebollo oak in Galicia. The autocorrelation was analyzed with a test of residuals using Durbin’s t-test without reaching a manifest result of autocorrelation between managed data.

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Main Authors: Díaz-Maroto,Ignacio Javier, Fernández-Parajes,José, Vila-Lameiro,Pablo, Barcala-Pérez,Eva
Format: Digital revista
Language:English
Published: Universidade Federal de Santa Maria 2010
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-50982010000100057
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spelling oai:scielo:S1980-509820100001000572017-05-24SITE INDEX MODEL FOR NATURAL STANDS OF REBOLLO OAK (Quercus pyrenaica Willd.) IN GALICIA, NW IBERIAN PENINSULADíaz-Maroto,Ignacio JavierFernández-Parajes,JoséVila-Lameiro,PabloBarcala-Pérez,Eva Quercus pyrenaica site index model height growth Generalized Algebraic Difference Approach ABSTRACT Data from stem analysis of 56 dominant trees of Quercus pyrenaica Willd., in natural stands in Galicia (NW Iberian Peninsula), were used to evaluate four dynamic site equations derived with the Generalized Algebraic Difference Approach (GADA). All the equations are base-age invariant and directly estimate height and site index from any height and age. The fittings were made using a data structure involving all possible growth intervals. The GADA formulation derived on the basis of the Bertalanffy-Richards model by considering the asymptote and the initial pattern parameters as related to site productivity. It is therefore recommended for height growth prediction and site classification for natural stands of rebollo oak in Galicia. The autocorrelation was analyzed with a test of residuals using Durbin’s t-test without reaching a manifest result of autocorrelation between managed data.info:eu-repo/semantics/openAccessUniversidade Federal de Santa MariaCiência Florestal v.20 n.1 20102010-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-50982010000100057en10.5902/198050981761
institution SCIELO
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country Brasil
countrycode BR
component Revista
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databasecode rev-scielo-br
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region America del Sur
libraryname SciELO
language English
format Digital
author Díaz-Maroto,Ignacio Javier
Fernández-Parajes,José
Vila-Lameiro,Pablo
Barcala-Pérez,Eva
spellingShingle Díaz-Maroto,Ignacio Javier
Fernández-Parajes,José
Vila-Lameiro,Pablo
Barcala-Pérez,Eva
SITE INDEX MODEL FOR NATURAL STANDS OF REBOLLO OAK (Quercus pyrenaica Willd.) IN GALICIA, NW IBERIAN PENINSULA
author_facet Díaz-Maroto,Ignacio Javier
Fernández-Parajes,José
Vila-Lameiro,Pablo
Barcala-Pérez,Eva
author_sort Díaz-Maroto,Ignacio Javier
title SITE INDEX MODEL FOR NATURAL STANDS OF REBOLLO OAK (Quercus pyrenaica Willd.) IN GALICIA, NW IBERIAN PENINSULA
title_short SITE INDEX MODEL FOR NATURAL STANDS OF REBOLLO OAK (Quercus pyrenaica Willd.) IN GALICIA, NW IBERIAN PENINSULA
title_full SITE INDEX MODEL FOR NATURAL STANDS OF REBOLLO OAK (Quercus pyrenaica Willd.) IN GALICIA, NW IBERIAN PENINSULA
title_fullStr SITE INDEX MODEL FOR NATURAL STANDS OF REBOLLO OAK (Quercus pyrenaica Willd.) IN GALICIA, NW IBERIAN PENINSULA
title_full_unstemmed SITE INDEX MODEL FOR NATURAL STANDS OF REBOLLO OAK (Quercus pyrenaica Willd.) IN GALICIA, NW IBERIAN PENINSULA
title_sort site index model for natural stands of rebollo oak (quercus pyrenaica willd.) in galicia, nw iberian peninsula
description ABSTRACT Data from stem analysis of 56 dominant trees of Quercus pyrenaica Willd., in natural stands in Galicia (NW Iberian Peninsula), were used to evaluate four dynamic site equations derived with the Generalized Algebraic Difference Approach (GADA). All the equations are base-age invariant and directly estimate height and site index from any height and age. The fittings were made using a data structure involving all possible growth intervals. The GADA formulation derived on the basis of the Bertalanffy-Richards model by considering the asymptote and the initial pattern parameters as related to site productivity. It is therefore recommended for height growth prediction and site classification for natural stands of rebollo oak in Galicia. The autocorrelation was analyzed with a test of residuals using Durbin’s t-test without reaching a manifest result of autocorrelation between managed data.
publisher Universidade Federal de Santa Maria
publishDate 2010
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-50982010000100057
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AT fernandezparajesjose siteindexmodelfornaturalstandsofrebollooakquercuspyrenaicawilldingalicianwiberianpeninsula
AT vilalameiropablo siteindexmodelfornaturalstandsofrebollooakquercuspyrenaicawilldingalicianwiberianpeninsula
AT barcalaperezeva siteindexmodelfornaturalstandsofrebollooakquercuspyrenaicawilldingalicianwiberianpeninsula
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