Descripteur
Termes IGN > foresterie > sylviculture > typologie des stations forestières > forêt tropicale > forêt équatoriale
forêt équatoriale
Commentaire :
Forêt vierge, Forêt dense, Forêt équatoriale dense, Forêt hygrophile primaire, Forêt ombrophile, Forêt primaire, Forêt tropicale pluviale, Forêt vierge. Station forestière -- Typologie. >> Écologie des forêts pluviales, Sylviculture tropicale. >>Terme(s) spécifique(s) : Jungle. Equiv. LCSH : Rain forests. Domaine(s) : 580, 630. Synonyme(s)forêt pluviale forêt ombrophile |
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IFSAR, an emerging technology for mapping the rainforest: no topography and weather constraints / F. Artes in Geoinformatics, vol 9 n° 7 (01/11/2006)
[article]
Titre : IFSAR, an emerging technology for mapping the rainforest: no topography and weather constraints Type de document : Article/Communication Auteurs : F. Artes, Auteur Année de publication : 2006 Article en page(s) : pp 30 - 33 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image radar et applications
[Termes IGN] carte d'occupation du sol
[Termes IGN] carte de la végétation
[Termes IGN] forêt équatoriale
[Termes IGN] image radar moirée
[Termes IGN] interféromètrie par radar à antenne synthétiqueRésumé : (Auteur) In today's geo-technology arsenal, Interferometric Synthetic Aperture Radar (IfSAR) is quickly emerging as one of the most efficient tools for generating fast, accurate, and cost-effective digital topographic data. With its ability to penetrate clouds, rain, vegetation and even soil, IfSAR has found a unique role by being able to successfully map some of the more inaccessible and rugged equatorial rainforest areas around the world. Copyright GEOinformatics Numéro de notice : A2006-479 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28203
in Geoinformatics > vol 9 n° 7 (01/11/2006) . - pp 30 - 33[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 262-06071 SL Revue Centre de documentation Revues en salle Disponible Survival analysis of a neotropical rainforest using multitemporal satellite imagery / J.A. Greenberg in Remote sensing of environment, vol 96 n° 2 (30/05/2005)
[article]
Titre : Survival analysis of a neotropical rainforest using multitemporal satellite imagery Type de document : Article/Communication Auteurs : J.A. Greenberg, Auteur ; S.C. Kefauver, Auteur ; et al., Auteur Année de publication : 2005 Article en page(s) : pp 202 - 211 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] amérindien
[Termes IGN] analyse spatiale
[Termes IGN] déboisement
[Termes IGN] Equateur (état)
[Termes IGN] forêt équatoriale
[Termes IGN] image Landsat-ETM+
[Termes IGN] image Landsat-TM
[Termes IGN] impact sur l'environnement
[Termes IGN] parc naturel national
[Termes IGN] prédiction
[Termes IGN] routeRésumé : (Auteur) We present results of an analysis of deforestation at a UNESCO Biosphere Reserve, the Parque National Yasuni, located in the rainforests of eastern Ecuador using multitemporal Landsat TM and ETM+ satellite imagery. Using survival analysis, we assessed both current and future trends in deforestation rates, and investigated the impact of spatial, cultural, and economic factors on deforestation. These factors included the distance from roads, rivers research facilities, oil facilities, markets and towns, and land ownership by colonists, native inhabitants, and an oil company. We found the annual rate of deforestation is currently only 0.11%, but that this rate is increasing with time and, assuming that the trend of increasing rate of forest loss continues, we would predict that by 2063, 50% of the forest within 2 km of an oil access road will be lost to unhindered colonization and anthropogenic conversion. The Quechua colonists are associated with areas of the highest rate of deforestation, followed by the native Huaorani and the lowest region of deforestation was in areas occupied by a local oil company. By far, the strongest predictor of where deforestation is predicted to occur was proximity to the road. Proximity to research sites, oil facilities, market, and rivers significantly decreases deforestation rates, and proximity to towns significantly increases deforestation rates. Copyright Elsevier Numéro de notice : A2005-265 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.rse.2005.02.010 En ligne : https://doi.org/10.1016/j.rse.2005.02.010 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27401
in Remote sensing of environment > vol 96 n° 2 (30/05/2005) . - pp 202 - 211[article]Two decades of normalized difference vegetation index changes in South America: identifying the imprint of global change / J.M. Paruelo in International Journal of Remote Sensing IJRS, vol 25 n° 14 (July 2004)
[article]
Titre : Two decades of normalized difference vegetation index changes in South America: identifying the imprint of global change Type de document : Article/Communication Auteurs : J.M. Paruelo, Auteur ; M.F. Garbulsky, Auteur ; et al., Auteur Année de publication : 2004 Article en page(s) : pp 2793 - 2806 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] Amérique du sud
[Termes IGN] analyse diachronique
[Termes IGN] atmosphère terrestre
[Termes IGN] biome
[Termes IGN] changement climatique
[Termes IGN] couvert végétal
[Termes IGN] forêt équatoriale
[Termes IGN] forêt tempérée
[Termes IGN] Normalized Difference Vegetation Index
[Termes IGN] photosynthèse
[Termes IGN] production primaire brute
[Termes IGN] savaneRésumé : (Auteur) Estimates of carbon uptake at the continental scale become urgently needed as the role of countries as net sinks or sources of carbon gains political and economic importance. Despite uncertainties related to radiation use efficiency, the amount of photosynthetically active radiation (PAR) intercepted by the canopy is a reliable estimator of primary production. Theoretical and empirical data support the relationship between the Normalized Difference Vegetation Index (NDVI) derived from the Advanced Very High Resolution Radiometer sensor on National Oceanic & Atmospheric Administration satellites and the fraction of PAR intercepted by green canopies. It is shown, for the period 1981-2000, that there is an overall increase in the radiation intercepted by the canopy over South America by 1.3%, with rainforests making the largest absolute contribution (45%), followed by savannas (23%). Under conditions of minimal agricultural use, disturbance and anthropogenic N deposition, humid temperate forests showed the highest proportional increase in NDVI during the last two decades (4.9%). Deserts showed a net reduction in NDVI relative to the 1981-1985 average (-4.4%). The expansion of agriculture over the last two decades was associated with NDVI reductions over subtropical forests. NDVI trends in South American region highlight a biome-dependent imprint of major global change noticeable in only two decades. Numéro de notice : A2004-292 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/01431160310001619526 En ligne : https://doi.org/10.1080/01431160310001619526 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=26819
in International Journal of Remote Sensing IJRS > vol 25 n° 14 (July 2004) . - pp 2793 - 2806[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 080-04121 RAB Revue Centre de documentation En réserve L003 Exclu du prêt Hyperion, Ikonos, ALI, and ETM+ sensors in the study of African rainforests / Prasad S. Thenkabail in Remote sensing of environment, vol 90 n° 1 (15/03/2004)
[article]
Titre : Hyperion, Ikonos, ALI, and ETM+ sensors in the study of African rainforests Type de document : Article/Communication Auteurs : Prasad S. Thenkabail, Auteur ; E.A. Enclona, Auteur ; M.S. Ashton, Auteur ; C. Legg, Auteur ; et al., Auteur Année de publication : 2004 Article en page(s) : pp 23 - 43 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] analyse comparative
[Termes IGN] Cameroun
[Termes IGN] carbone
[Termes IGN] carte de la végétation
[Termes IGN] classification
[Termes IGN] Congo (bassin)
[Termes IGN] forêt équatoriale
[Termes IGN] image EO1-ALI
[Termes IGN] image EO1-Hyperion
[Termes IGN] image Ikonos
[Termes IGN] image Landsat-ETM+
[Termes IGN] indice de végétation
[Termes IGN] masse végétale
[Termes IGN] occupation du solRésumé : (Auteur) The goal of this research was to compare narrowband hyperspectral Hyperion data with broadband hyperspatial IKONOS data and anced multispectral Advanced Land Imager (ALI) and Landsat-7 Enhanced Thematic Mapper Plus (ETM+) data through modeling and classifying complex rainforest vegetation. For this purpose, Hyperion, ALI, IKONOS, and ETM+ data were acquired for southern Cameroon, a region considered to be a representative area for tropical moist evergreen and semideciduous forests. Field data, collected in near-real time to coincide with satellite sensor overpass, were used to (1) quantify and model the biomass of tree, shrub, and weed species; and (2) characterize forest land use/land cover (LULC) classes. The study established that even the most advanced broadband sensors (i.e., ETM+, IKONOS, and ALI) had serious limitations in modeling biomass and in classifying forest LULC classes. The broadband models explained only 13-60% of the variability in biomass across primary forests, secondary forests, and fallows. The overall accuracies were between 42% and 51% for classifying nine complex rainforest LULC classes using the broadband data of these sensors. Within individual vegetation types (e.g., primary or secondary forest), the overall accuracies increased slightly, but followed a similar trend. Among the broadband sensors, ALI sensor performed better than the IKONOS and ETM+ sensors. When compared to the three broadband sensors, Hyperion narrowband data produced (1) models that explained 36-83% more of the variability in rainforest biomass, and (2) LULC classifications with 45-52% higher overall accuracies. Twenty-three Hyperion narrowbands that were most sensitive in modeling forest biomass and in classifying forest LULC classes were identified and discussed. Numéro de notice : A2004-127 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.rse.2003.11.018 En ligne : https://doi.org/10.1016/j.rse.2003.11.018 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=26654
in Remote sensing of environment > vol 90 n° 1 (15/03/2004) . - pp 23 - 43[article]Scale dependence in multitemporal mapping of forest fragmentation in Bolivia: implications for explaining temporal trends in landscape ecology and applications to biodiversity conservation / A.C. Millington in ISPRS Journal of photogrammetry and remote sensing, vol 57 n° 4 (February - March 2003)
[article]
Titre : Scale dependence in multitemporal mapping of forest fragmentation in Bolivia: implications for explaining temporal trends in landscape ecology and applications to biodiversity conservation Type de document : Article/Communication Auteurs : A.C. Millington, Auteur ; X.M. Velez-Liendo, Auteur ; A.V. Bradley, Auteur Année de publication : 2003 Article en page(s) : pp 289 - 299 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] agriculture
[Termes IGN] analyse diachronique
[Termes IGN] biodiversité
[Termes IGN] carte d'occupation du sol
[Termes IGN] carte de la végétation
[Termes IGN] déboisement
[Termes IGN] écologie
[Termes IGN] forêt équatoriale
[Termes IGN] image Landsat-ETM+
[Termes IGN] image Landsat-TM
[Termes IGN] occupation du solRésumé : (Auteur) Landsat TM and ETM data were used to create forest/non-forest maps with spatial patterns of forest fragmentation created by road building, agricultural colonisation and hydrocarbon exploration in Chapare (Bolivia) since the 1980s were analysed. Different spatial patterns of forest fragmentation were identified and analysed using landscape ecology metrics. These patterns are function of their deforestation histories which, in turn, can be explained by variety of Bolivian government policies. The relationships between landscape metrics and different simulated spatial resolutions of image data (from 30 to 1100) biodiversity conservation in humid tropical lowlands are considered. Copyright ISPRS Numéro de notice : A2003-026 Affiliation des auteurs : non IGN Thématique : BIODIVERSITE/FORET/IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/S0924-2716(02)00154-5 En ligne : https://doi.org/10.1016/S0924-2716(02)00154-5 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22323
in ISPRS Journal of photogrammetry and remote sensing > vol 57 n° 4 (February - March 2003) . - pp 289 - 299[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 081-03011 SL Revue Centre de documentation Revues en salle Disponible Apport de l'imagerie satellite dans la réalisation des plans d'aménagement forestier / Nicolas Bellaiche (2001)PermalinkUtilisation d'images satellite pour l'élaboration des plans d'aménagement forestier / Sandrine Balley (2000)PermalinkThe use of forest inventory data for a National Protected Area Strategy in Guyana / Hans Ter Steege in Biodiversity & Conservation, vol 7 n° 11 ([01/11/1998])PermalinkLa réalité de terrain en télédétection / J.M. Dubois (1998)PermalinkRéalisation de spatiocartes radar à partir de données multifréquences / V. Frey (1997)PermalinkTélédétection spatiale visible et infrarouge de la dynamique du couvert forestier équatorial asiatique / C. Estreguil (1996)PermalinkAnalyse de la déforestation par télédétection spatiale dans l'état de Rondônia (Brésil) / L. Bastos Lage (1993)PermalinkPerformance of a backpack GPS in a tropical rain forest / D.S. Wilkie in Photogrammetric Engineering & Remote Sensing, PERS, vol 55 n° 12 (december 1989)PermalinkRésultats préliminaires de l'étude des images SIR-A de la région de Yaoundé (Cameroun) / G. Champetier in Bulletin [Société Française de Photogrammétrie et Télédétection], n° 92 (Octobre 1983)PermalinkL'interprétation des photographies aériennes verticales et les problèmes de l'exploitation forestière tropicale / J. Le Ray in Bulletin [Société Française de Photogrammétrie], n° 8 (Décembre 1962)Permalink