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Integrating dendrochronology and geomatics to monitor natural hazards and landscape changes / Marco Ciolli in Applied geomatics, vol 11 n° 1 (March 2019)  

Public [article]  inApplied geomatics > vol 11 n° 1 (March 2019) . - pp 39 - 52 Titre : Integrating dendrochronology and geomatics to monitor natural hazards and landscape changes Type de document : Article/Communication Auteurs : Marco Ciolli, Auteur ; Marco Bezzi, Auteur ; Giovanni Comunello, Auteur ; et al., Auteur Année de publication : 2019 Article en page(s) : pp 39 - 52 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale [Termes IGN] Albanie [Termes IGN] analyse diachronique [Termes IGN] avalanche [Termes IGN] couvert forestier [Termes IGN] dendrochronologie [Termes IGN] forêt [Termes IGN] GRASS [Termes IGN] IDRISI [Termes IGN] lit majeur [Termes IGN] Pinus sylvestris [Termes IGN] positionnement par GPS [Termes IGN] QGIS [Termes IGN] reboisement [Termes IGN] risque naturel [Termes IGN] Trente Résumé : (Auteur) The monitoring of natural hazards is of extreme importance in the areas of Italy where there are high hydrogeological and avalanche risks. Despite the fact that records of past events are sometimes available, some of their data are often incomplete and show that the monitoring and mapping of these phenomena are never enough to avoid damage. We present the results of different studies where an integrated approach has been used by combining geomatics and dendrochronology techniques. In particular, we refer to case studies concerning avalanches, debris flows, natural reforestation in Italy and riverbed path changes in Albania. The position of all the plants sampled for dendrochronology was taken by GPS (Global Positioning System). The cartographic information used in these studies was provided by official sources from public organisations or processed by extracting them from aerial photographs or satellite imagery. With the Geographic Information System, it was possible to spatialise and analyse the information from dendrochronological sampling through the creation of multi-temporal morphological and potential risk maps showing the effects of the phenomena on forest cover. The GIS software used in these studies are GRASS, QGIS and IDRISI. The results showed that avalanches, debris flow, riverbed and landscape change can be studied effectively by integrating geomatics and dendrochronological techniques. This integration enabled spatial and temporal modelling, including the reconstruction of paths and volumes of past phenomena. The analysis of growth disturbances over time also enabled the reconstruction of the frequency of avalanches and debris flow activity over the last 50 years and, in some areas, over the last century. A detailed analysis of one of the avalanche tracks provided interesting results regarding the reconstruction of avalanche dynamics. Analysis of scars on buried stems of Pinus sylvestris also provided interesting results in terms of debris volume estimation. The dendrochronological reconstruction of the patterns of natural reforestation led to the determination of forest expansion rates that were used for modelling future scenarios and refining the changes of river morphology. Dendrochronology strongly improved the results of GIS satellite imagery analysis. These reconstructions are particularly important for the areas that are more exposed to the direct risk of avalanches, debris flows and floods in order to prevent the consequences of such phenomena in a changing climate. Numéro de notice : A2019-160 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s12518-018-0236-0 Date de publication en ligne : 21/08/2018 En ligne : https://doi.org/10.1007/s12518-018-0236-0 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=92521 [article]

Effect of microsite quality and species composition on tree growth: A semi-empirical modeling approach / Carolina Mayoral in Forest ecology and management, vol 432 (15 January 2019)  

Public [article]  inForest ecology and management > vol 432 (15 January 2019) . - pp 534 - 545 Titre : Effect of microsite quality and species composition on tree growth: A semi-empirical modeling approach Type de document : Article/Communication Auteurs : Carolina Mayoral, Auteur ; Michiel van Breugel, Auteur ; Benjamin L. Turner, Auteur ; et al., Auteur Année de publication : 2019 Article en page(s) : pp 534 - 545 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] Amérique centrale [Termes IGN] biome [Termes IGN] bois sur pied [Termes IGN] croissance des arbres [Termes IGN] déboisement [Termes IGN] diamètre des arbres [Termes IGN] escarpement [Termes IGN] forêt tropicale [Termes IGN] modèle de croissance végétale [Termes IGN] nutriment végétal [Termes IGN] Panama [Termes IGN] pente [Termes IGN] reboisement [Vedettes matières IGN] Végétation et changement climatique Résumé : (auteur) Reforestation in the tropics mitigates the negative effects of climate change by sequestering carbon in biomass. However, tree growth is limited by nutrient availability in many tropical regions. A clear understanding of nutrient constraints and topography on growth of native timber species is thus essential to improve both the economic return on reforestation and the ecosystem services in tropical degraded lands. To address this, we use 7-year growth data from a 75-ha reforestation experiment in central Panama to test a modeling approach to predict growth of these species. The experiment includes five valuable timber species in 21 treatments, including monocultures and mixtures. We first fit a non-linear growth model as a function of tree age, then expand the former model parameters as a function of variables related to species mixture and micro-site soil conditions. Finally, we built a final model for each species to predict growth along three axes: nutrient availability, slope and species mixture. The models successfully identified how variation in growth was related to micro-site conditions and the species mixture. Although all species were long-lived pioneers, most were overall more sensitive to nutrient availability and between-trees interactions than to slope. However, the fastest growing species on average was more sensitive to slope than the other species and less sensitive to nutrient availability, showing better performance than the other species even under adverse conditions. Our models aid identification of species with the best growth potential to use in reforestation on infertile soils, leading to a better species selection according to site conditions. Numéro de notice : A2019-005 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.foreco.2018.09.047 Date de publication en ligne : 04/10/2018 En ligne : https://doi.org/10.1016/j.foreco.2018.09.047 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=91598 [article]

Forest hydrology and watershed / Fan-Rui Meng (2019)  

Public Titre : Forest hydrology and watershed Type de document : Monographie Auteurs : Fan-Rui Meng, Auteur ; Altaf Arain, Auteur ; Qiang Li, Auteur ; et al., Auteur Editeur : Bâle [Suisse] : Multidisciplinary Digital Publishing Institute MDPI Année de publication : 2019 Importance : 208 p. Format : 17 x 25 cm ISBN/ISSN/EAN : 978-3-03921-385-6 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] bassin hydrographique [Termes IGN] Chine [Termes IGN] forêt ripicole [Termes IGN] forêt subalpine [Termes IGN] hydrologie [Termes IGN] modèle hydrographique [Termes IGN] Picea abies [Termes IGN] précipitation [Termes IGN] puits de carbone [Termes IGN] reboisement [Vedettes matières IGN] Végétation et changement climatique Résumé : (éditeur) Hydrological processes in forested watersheds are influenced by environmental, physiological, and biometric factors such as precipitation, radiation, temperature, species type, leaf area, and extent and structure of forest ecosystems. Over the past two centuries, forest coverage and forest structures have been impacted globally by anthropogenic activities, for example, forest harvesting, and conversion of forested landscapes for plantations and urbanization. In addition, since the industrial revolution, climate change has resulted in profound impacts on forest ecosystems due to higher carbon dioxide (CO2) concentration or CO2 fertilization, warmer temperatures, changes in frequency and intensity of extreme weather events and natural disturbances. As a result, hydrological processes in forested watersheds have been altered by these natural and anthropogenic factors and these changes are expected to accelerate due to future changing climatic conditions. Hence, understanding how various environmental, physiological, and physical drivers interactively influence hydrological and biogeochemical processes in forest ecosystems is critical for sustainable water supply in forested watersheds. About 21% of the global population depends on water sources that originate in forested catchments where forest coverage larger than 30%. Furthermore, there are knowledge gaps in our understanding of the mechanism of hydrological and hydrochemical cycles in forested watersheds. This Special Issue addresses these gaps in our knowledge and includes twelve papers in the following three major research themes in forest watershed areas. Note de contenu : 1- Biomass carbon sequestration potential by riparian forest in the Tarim River watershed, Northwest China: Implication for the mitigation of climate change impact 2- Spatial and temporal patterns in nonstationary flood frequency across a forest watershed: Linkage with rainfall and land use types 3- Quantifying impacts of forest recovery on water yield in two large watersheds in the cold region of Northeast China 4- Evaluation of the water-storage capacity of bryophytes along an altitudinal gradient from temperate forests to the Alpine zone 5- The hydrological impact of extreme weather-induced forest disturbances in a tropical experimental watershed in South China 6- Attribution analysis for runoff change on multiple scales in a humid subtropical basin dominated by forest, East China 7- The cumulative effects of forest disturbance and climate variability on streamflow in the Deadman River watershed 8- Two centuries-long streamflow reconstruction inferred from tree rings for the middle reaches of the Weihe River in Central China 9- Contrasting differences in responses of streamflow regimes between reforestation and fruit tree planting in a subtropical watershed of China 10- The radial growth of schrenk spruce (Picea schrenkiana Fisch. et Mey.) records the hydroclimatic changes in the Chu River basin over the past 175 years 11- Forest canopy can efficiently filter trace metals in deposited precipitation in a subalpine spruce plantation 12- Woody litter increases headwater stream metal export ratio in an Alpine forest Numéro de notice : 25956 Affiliation des auteurs : non IGN Thématique : FORET Nature : Monographie DOI : 10.3390/books978-3-03921-386-3 En ligne : https://doi.org/10.3390/books978-3-03921-386-3 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=96424

Evaluer les ressources forestières pour éclairer la prise de décision [diaporama] / Antoine Colin (2018)  

Public Titre : Evaluer les ressources forestières pour éclairer la prise de décision [diaporama] Type de document : Article/Communication Auteurs : Antoine Colin , Auteur Editeur : Saint-Mandé : Institut national de l'information géographique et forestière - IGN (2012-) Année de publication : 2018 Conférence : IGN - EcoFor 2018, Colloque 60 ans d’inventaire forestier pour éclairer l’avenir 15/10/2018 16/10/2018 Paris France open access proceedings Importance : 19 p. Format : 21 x 30 cm Langues : Français (fre) Descripteur : [Termes IGN] bois sur pied [Termes IGN] changement climatique [Termes IGN] filière bois - forêt [Termes IGN] gestion forestière durable [Termes IGN] inventaire forestier national (données France) [Termes IGN] politique forestière [Termes IGN] puits de carbone [Termes IGN] reboisement [Termes IGN] ressources forestières [Vedettes matières IGN] Inventaire forestier Numéro de notice : C2018-106 Affiliation des auteurs : IGN (2012-2019) Thématique : FORET Nature : Communication nature-HAL : ComSansActesPubliés-Unpublished DOI : sans En ligne : https://inventaire-forestier.ign.fr/IMG/pdf/03_ressources_decision_publique_acol [...] Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=97510

Natural regeneration of Pinus pinaster and Eucalyptus globulus from plantation into adjacent natural habitats / Patricia Fernandes in Forest ecology and management, vol 378 (15 October 2016)  

Public [article]  inForest ecology and management > vol 378 (15 October 2016) . - pp 91 - 102 Titre : Natural regeneration of Pinus pinaster and Eucalyptus globulus from plantation into adjacent natural habitats Type de document : Article/Communication Auteurs : Patricia Fernandes, Auteur ; Cristina Antunes, Auteur ; Pedro Pinho, Auteur ; et al., Auteur Année de publication : 2016 Article en page(s) : pp 91 - 102 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] Eucalyptus globulus [Termes IGN] habitat forestier [Termes IGN] Pinus pinaster [Termes IGN] Portugal [Termes IGN] reboisement [Vedettes matières IGN] Ecologie forestière Résumé : (auteur) The tree species used in planted forests are highly productive and have an important role in countries economy but the expansion of these trees into habitats outside plantations is a concern for managers and conservationists. Among the most planted forest species worldwide, we can find eucalypts and pines species. Understanding spatial patterns and the factors that influence these species colonization is crucial to increase the knowledge about expansion capability of these species and may help managers to improve and prioritize eventual control plans. Our study aimed to identify the recruitment spatial patterns of Pinus pinaster (native species) and Eucalyptus globulus (exotic species) into habitats surrounding plantations in Portugal (native forests, grasslands and shrublands) and to determine the factors that influence recruitment. This was done by looking at the recruitment success in several habitats near plantations, using a spatial gradient of distance to plantations edge. We observed as expected that the recruitment of P. pinaster and E. globulus decreased exponentially from the plantation edge. However, the higher P. pinaster seedling recruitment in this study (P. pinaster: 247 seedlings/ha; E. globulus: 22 seedlings/ha), the smallest decline in seedlings density with distance from plantation boundary (P. pinaster = −0.036 seedlings/m vs E. globulus = −0.048 seedlings/m), and the longer distance of seedling establishment, demonstrate clearly that P. pinaster is more successful colonizing the habitats near plantations than E. globulus. Nevertheless E. globulus can growth seedlings within the planted stands suggesting that the species is becoming naturalized. However, localized recruitment (92% of the total seedlings recorded were located less than 15 m from the plantation edge) and lower levels of establishment of E. globulus from managed plantations, suggested that this species did not demonstrate an invasive behavior. However, future research in abandoned eucalyptus plantation is needed to understand the role of plantation management and age as barriers to E. globulus colonization. Results from our survey revealed the suitability of all habitat types studied for P. pinaster natural regeneration, although their recruitment was more limited in forest habitat type. Forest and grassland were very resistant to E. globulus establishment. The two species recruitment was also influenced by different factors, with P. pinaster being independent of climatic variables, while E. globulus was affected by temperature seasonality and recruitment was found to be higher in areas with lower seasonal differences. Numéro de notice : A2016-699 Affiliation des auteurs : non IGN Thématique : FORET Nature : Article DOI : 10.1016/j.foreco.2016.07.027 En ligne : http://dx.doi.org/10.1016/j.foreco.2016.07.027 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=82067 [article]

Modélisation de la structure en diamètre des reboisements et des peuplements naturels de Cèdre de l’Atlas (Cedrus atlantica Manetti) du Djurdjura (Algérie) / Khellaf Rabhi in Revue forestière française, vol 68 n° 1 (janvier 2016)  

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Regards sur la forêt / Andrée Corvol (2014)

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La filière alerte sur l'urgence de reboiser / Jean-Marc Lambillon in Le Bois International : l'officiel du bois [édition verte], vol 2010 n° 24 (26 juin 2010)

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Les marchés du carbone forestier : quelle est la place de la forêt dans les marchés du carbone ? Quelles sont les tendances à anticiper ? Comment financer un projet et vendre des crédits ? / Clément Chenost (2010)    

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Après la tempête : reboiser, mais avec quoi et comment ? / Pierrette Castagné in Le Bois International : l'officiel du bois [édition verte], vol 2009 n° 30 (12 septembre 2009)

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La valorisation des ressources génétiques des arbres forestiers conservées dans les collections nationales françaises / Hervé Le Bouler in Revue forestière française, vol 61 n° 5 (septembre - octobre 2009)  

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Le boisement, un bienfait pour l'eau en Bretagne / François Aureau in Rendez-vous techniques, n° 22 (automne 2008)

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La sylviculture selon Georges Gautier / Vincent Motin in Le Bois International : l'officiel du bois [édition verte], vol 2008 n° 37 (1er novembre 2008)

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L'impact de la tempête "Martin" sur le couvert forestier en Auvergne. Origine des chablis et logique de reconstitution / Fabien Jubertie in Physio-Géo, vol 2 (janvier 2008)  

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Analyse de la déforestation par télédétection spatiale dans l'état de Rondônia (Brésil) / L. Bastos Lage (1993)

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