Models to Implement a Sustainable Forest Management - An Overview of the ModisPinaster Model

Fonseca, Teresa; Parresol, Bernard R.; Marques, Catarina; Coligny, François de

doi:10.5772/29808

Cited by 11 publications

(17 citation statements)

References 22 publications

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“…According to the National Forest Inventory (NFI -AFN 2010), maritime pine covers around 885 000 ha of land in Portugal (27% of the mainland forest area), with a wood volume of 85.8 × 10 6 m 3 and a total biomass of 49.7 × 10 6 Mg, which represents 24.8 × 10 6 Mg of sequestered carbon. Evaluation, comparison and selection of model forms and approaches were conducted with the purpose of identifying the optimal h-d model for incorporation in the MODISPINASTER growth and yield model (Fonseca 2004, Fonseca et al 2012. Briefly, the model addresses forest growth and yield, risks (wind related) and management procedures (such as thinning and harvesting) for pure maritime pine stands.…”

Section: Introductionmentioning

confidence: 99%

Height-diameter models for maritime pine in Portugal: a comparison of basic, generalized and mixed-effects models

Gómez-García¹,

Fonseca²,

Crecente-Campo³

et al. 2016

iForest

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Section: Introductionmentioning

confidence: 99%

Height-diameter models for maritime pine in Portugal: a comparison of basic, generalized and mixed-effects models

Gómez-García¹,

Fonseca²,

Crecente-Campo³

et al. 2016

iForest

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“…Provou-se teoricamente que a formulação cluster é mais forte do que a formulação path (Goycoolea et al 2009) e a formulação bucket (Martins et al2012), ou seja, a relaxação linear da formulação cluster dá melhores majorantes do que as relaxações lineares das restantes formulações. …”

Section: Modelos Com Restrições De Clareirasunclassified

Otimização de planos de exploração florestal em baldios do norte de Portugal

Cerveira¹,

Martins²,

Fonseca³

et al. 2014

Investigação Operacional Em Ação: Casos De Aplicação

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A navegação consulta e descarregamento dos títulos inseridos nas Bibliotecas Digitais UC Digitalis, UC Pombalina e UC Impactum, pressupõem a aceitação plena e sem reservas dos Termos e Condições de Uso destas Bibliotecas Digitais, disponíveis em https://digitalis.uc.pt/pt-pt/termos.Conforme exposto nos referidos Termos e Condições de Uso, o descarregamento de títulos de acesso restrito requer uma licença válida de autorização devendo o utilizador aceder ao(s) documento(s) a partir de um endereço de IP da instituição detentora da supramencionada licença.Ao utilizador é apenas permitido o descarregamento para uso pessoal, pelo que o emprego do(s) título(s) descarregado(s) para outro fim, designadamente comercial, carece de autorização do respetivo autor ou editor da obra. Na medida em que todas as obras da UC Digitalis se encontram protegidas pelo Código do Direito de Autor e Direitos Conexos e demais legislação aplicável, toda a cópia, parcial ou total, deste documento, nos casos em que é legalmente admitida, deverá conter ou fazer-se acompanhar por este aviso. Otimização de planos de exploração florestal em baldios do norte de PortugalAutor(es):

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“…The authors hypothesized that 60% and 35% are adequate values for the upper and lower limits of the optimum growth-density interval, respectively, and 25% is the reasonable value for the crown closure for Pinus pinaster in the Portuguese environment. Automatic management procedures, based on the use of SDI and Fw, are available in the ModisPinaster model (Fonseca 2004), which is designed to help the management of the species and is freely available for use in the Capsis platform (http://www.inra.fr/capsis -Fonseca et al 2012). The use of two distinct measures of density allow managers to perform simulations based on the ecological concept of self-thinning, intimately associated to the SDI metric and to the tradi- tional guidelines based on the dominant height growth development accounted for in the Fw metric.…”

Section: Introductionmentioning

confidence: 99%

A silvicultural stand density model to control understory in maritime pine stands

Fonseca¹,

Duarte²

2017

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The aim of this study was to provide optimal silvicultural guidelines for the maintenance of low understory vegetation cover in maritime pine (Pinus pinaster Ait.) stands in Mediterranean areas prone to the occurrence of forest fires. An extensive data set from maritime pine stands of northern Portugal was used to assess the effect of stand density on the understory cover. A statistically significant relationship between the spacing-top height factor (Fw) and the understory cover was found. An ecologically-based density regulation model was developed based on Fw = 0.21, which provided the optimal stand density and canopy cover to prevent the understory growth and proliferation, thereby reducing the vulnerability to forest fire and ensuring at the same time the highest values of stand yield. The developed model represents a supporting tool for density regulation of maritime pine stands in areas prone to forest fires. The representativeness of the supporting data set (in terms of number of sample plots and variability of the stands characteristics) provides confidence in the generalization of our results to different maritime pine stands in the Mediterranean area. This study suggests that managing stand density may be an effective adaptive management procedure which can help reducing the forest fire hazard.

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Models to Implement a Sustainable Forest Management - An Overview of the ModisPinaster Model

Cited by 11 publications

References 22 publications

Height-diameter models for maritime pine in Portugal: a comparison of basic, generalized and mixed-effects models

Height-diameter models for maritime pine in Portugal: a comparison of basic, generalized and mixed-effects models

Otimização de planos de exploração florestal em baldios do norte de Portugal

A silvicultural stand density model to control understory in maritime pine stands

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