Thierry Bélouard

Thierry Bélouard
Institut national de l’information géographique et forestière | IGN · South-West Office

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13
Publications
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Introduction
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Publications

Publications (13)
Article
Pure forests are often seen as being more prone to damage by specialist pest insects than mixed forests, and particularly mixed forests associating host and nonhost species. We addressed the effect of tree diversity on oak colonization and defoliation by a major specialist pest, the oak processionary moth (OPM) We quantified the number of male OPM...
Article
Full-text available
Depuis le début des années 2000, les chênaies du massif forestier du Pays des étangs en Lorraine, massif essentiellement feuillu, subissent des dépérissements importants, aux causes multiples (insectes défoliateurs, sécheresse et canicule de 2003). La chenille processionnaire du chêne y joue un rôle essentiel en provoquant de nombreuses et importan...
Article
Our forest information needs are growing with high requirements in terms of accuracy, spatial resolution and costs. Thus, forest inventories innovation is a constantly evolving field. In this study, we evaluated the contribution of digital height models (DHM) as auxiliary data to improve the accuracy of inventory estimates. Two study areas were sel...
Data
Supplementary resources of Labbé et al. 2015 "Pre-existing forests as sources of pathogens? The emergence of Armillaria ostoyae in a recently planted pine forest".
Book
The availability of Landsat data (Landsat 4, 5, 7 and 8) from ~30 years makes it possible to analyze the forest long term dynamics at high resolution (30m). The performances of the Landsat time-series have been already demonstrated for mapping and monitoring the annual clear-cuts and the storm damage in the Landes Forest, that covers ∼1 million ha...
Article
Full-text available
La futaie de pin maritime du Massif des Landes de Gascogne fait l’objet d’une sylviculture dynamique ; les dommages occasionnés par les tempêtes Martin (1999) et Klaus (2009) puis par des ravageurs (scolytes) ont entrainé une forte diminution de la ressource en bois. Cela a accentué la demande de la filière forêt-bois aquitaine pour un suivi perman...
Article
Full-text available
The maritime pine stands of 'Landes de Gascogne' forest is the object of a dynamic silviculture; Martin (1999) and Klaus (2009) windstorms have provoked a lot of damages and a great decrease of the resource. A permanent monitoring of the resource and its mapping has been reinforced. In this context, the study Pinastéréo explore some perspectives by...
Article
Species choice is potentially an important management decision for increasing carbon stocks in forest ecosystems. The substitution of a slow-growing hardwood species (Quercus petraea) by a fast-growing conifer plantation (Pinus nigra subsp. laricio) was studied in central France. Simulations of carbon stocks in tree biomass were conducted using sta...
Article
Full-text available
The French National Forest Inventory was created in 1958 to assess metropolitan forest resources. To stick to new national and international requirements as well as to enhance reactivity, a new inventory method was implemented in 2004. This new method is based on a systematic sampling grid covering the whole territory every year. The size of the me...

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