Variables influençant l’épaisseur du liège dans les forêts de chênes-lièges espagnoles: une proposition de modélisation

Sánchez-González, Mariola; Calama, Rafael; Cañellas, Isabel; Montero, Gregorio

doi:10.1051/forest:2007007

Cited by 28 publications

(23 citation statements)

References 23 publications

(29 reference statements)

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“…This variability affects not only cork thickness modeling but also cork weight models. In this sense Sánchez-González et al (2007b) suggest the use of soil isotopic signatures as indicators of cork thickness variation to be used in hybrid models. Related with this, identification of those possible variables explaining large patterns of non explained (by the actual models) variability between trees detected in cone and resin productions should be one of the main objectives in modeling research.…”

Section: Trends and Future Research In Modelling Nwfpmentioning

confidence: 99%

“…In order to express tree cork growth rate, the authors proposed the use of a cork growth index defined as the cork thickness (complete years) of a cork with 9 years which corresponds to 8 complete growth years. Sánchez-González et al (2007b) studied the variables influencing cork thickness at the end of the debarking period in corks with 9 years. As all the cork samples studied had the same age, cork caliber is equivalent to the cork growth index proposed by Tomé (2004) and Almeida and Tomé (submitted).…”

Section: Corkmentioning

confidence: 99%

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Modelling Non-Wood Forest Products in Europe: a review

Sainz¹,

Tomé

Sánchez-González³

et al. 2010

For. syst.

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Non-wood forest products (NWFP) like cork, edible mushrooms, pine nuts, acorns, resins, medicinal plants, and floral greens, among others, provide important recreational and commercial activities in the rural forested areas of the world, being in certain regions more profitable than traditional timber harvesting. Despite the importance of non-wood forest products and services, forest management and planning methods and models in Europe have been traditionally wood oriented, leading to a lack for tools helping forest management based on optimizing these products. In the present work we’ll show and discuss the main factors and challenges limiting the development of classical empirical models for NWFP, and we will review the existing models for the main NWFP in Europe: cork, pine nuts, berries, mushrooms and resins.

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Section: Trends and Future Research In Modelling Nwfpmentioning

confidence: 99%

Section: Corkmentioning

confidence: 99%

Modelling Non-Wood Forest Products in Europe: a review

Sainz¹,

Tomé

Sánchez-González³

et al. 2010

For. syst.

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“…Quercus suber is the most economically important NWFP species, and a few models have been elaborated for it (González-Adrados et al, 2000;Montes et al, 2005;Sánchez-González et al, 2007a. All the models described above deal with mature cork; the only model for virgin cork (the cork obtained from the first debarking) predicts virgin cork thickness at different heights (Sánchez-González et al, 2007c) using a taper equation.…”

Section: Non-timber Product Functionsmentioning

confidence: 99%

Growth and yield models in Spain: Historical overview, Contemporary Examples and perspectives

Bravo

Álvarez‐González

Rı́o³

et al. 2011

For. syst.

Self Cite

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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 sites and the National Forest Inventory. In this paper we show the different sub-models developed so far and the friendly use software. Main perspectives of forest modeling in Spain are presented.Key words: timber production; non-wood production; recruitment; modeling; forest. Resumen Modelos de crecimiento y producción en España: historia, ejemplos contemporáneos y perspectivasEn el presente trabajo se presenta una revisión sobre los modelos forestales desarrollados en España durante los úl-timos años, tanto para la producción maderable como no maderable y, para la dinámica de los bosques (regeneración, mortalidad). Se presentan modelos tanto de rodal completo como de clases diamétricas y de árbol individual. Los modelos desarrollados hasta la fecha se han desarrollado a partir de datos procedentes de parcelas permanentes, ensayos y el Inventario Forestal Nacional. En el trabajo se muestran los diferentes submodelos desarrollados hasta la fecha,

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“…Sánchez-González et al, 2007;Almeida et al, 2010;Paulo et al, 2016b); however, few studies are available when focusing the effect of competition between trees and understory species. This is even more evident when considering the cork oak species, where both the effect on tree wood growth and on cork growth are of interest.…”

Section: Introductionmentioning

confidence: 99%

Understory effect on tree and cork growth in cork oak woodlands

et al. 2018

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Aim of study: Cork oak is one of the main forest tree species in Portugal that typically occurs in montado, where operational practices oriented to the tree, crop or animal management may influence several of the ecosystem components. This study aimed at contributing to fulfil the a lack of knowledge on the effect of these practices on the cork and wood growth, by comparing the wood diameter growth and the annual cork increment under two different understory management options.Material and methods: An experimental trial implemented on an uneven-aged cork oak pure stand during a cork rotation period of 9 years, was established with the specific goal of comparing understory management options: a yellow lupine pasture versus spontaneous vegetation. Cork samples were taken at the beginning and end of the period and were used to measure cork thickness and annual cork rings. The differences between treatments were assessed performing a non-parametric test and a more robust approach using linear mixed model. Precipitation and treatment levels were jointly considered on the analysis.Main results: A slight effect was found on the cork thickness regarding the treatment with lupine application. However, no distinct effect was found, regarding wood and the annual cork increment pattern. Additionally, annual cork ring width showed a positive correlation with precipitation and a negative correlation with ring age.Research highlights: The results of this study indicate no distinct pattern regarding the annual cork and wood increment when comparing the understory effect of yellow lupine pasture versus spontaneous vegetation.Additional keywords: Quercus suber, cork thickness; cork ring; lupine; shrubs; linear mixed model.

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Variables influençant l’épaisseur du liège dans les forêts de chênes-lièges espagnoles: une proposition de modélisation

Cited by 28 publications

References 23 publications

Modelling Non-Wood Forest Products in Europe: a review

Modelling Non-Wood Forest Products in Europe: a review

Growth and yield models in Spain: Historical overview, Contemporary Examples and perspectives

Understory effect on tree and cork growth in cork oak woodlands

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