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Dubois-Fernandez, P.; Oriot, H.; Coulombeix, C.; Cantalloube, H.; Ruault du Plessis, O.; Thuy Le Toan, Daniel S.; Chave, J.; Blanc, L.; Davidson, M.; Petit, M. |
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Title |
Tropisar : exploring the temporal behavior of P-band sar data |
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Conference Article |
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2010 |
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Proceedings of the 2010 IEEE International Geoscience and Remote Sensing Symposium Publication |
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1319-1322 |
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July 25, 2010 |
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Call Number |
EcoFoG @ webmaster @ |
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127 |
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Author |
Drouillat, Maëlle |
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Title |
L'agriculture itinérante sur abattis brûlis amérindienne dans deux communes de Guyane Française : comparaison de la durabilité des systèmes agricoles à l'aide de l'étude de l'agrobiodiversité |
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2010 |
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58 |
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Master's thesis |
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CIRAD |
Place of Publication |
Kourou - Guyane française |
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Pasquis, Richard |
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EcoFoG @ webmaster @ |
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306 |
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Author |
Dourdain, Aurélie |
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Title |
Valorisation des données spatiales de l'UMR “Ecologie des Forêts de Guyane” |
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Thesis |
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2017 |
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40 |
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Système d’information ; Base de données spatialisée ; Cartographie sur Internet ; Données forestières ; Réseau GuyaFor ; Paracou ; PostgreSQL; PostGIS ; LizMap ; Qgis |
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L’évolution importante du territoire guyanais appelle les décideurs locaux et la communauté scientifique à acquérir de nouveaux outils pour l’aménagement du territoire. Ainsi, l’objectif de l’UMR EcoFoG a été la valorisation et la distribution des données spatiales de Paracou. Afin de bien répondre à ces besoins, un questionnaire et une analyse des besoins ont été réalisés. Maintes solutions ont été étudiées en fonction des besoins recensés. Le choix final pour cette mission a été de développer dans un premier temps une base de données spatiales, puis, dans un second temps, une plateforme en ligne pour la visualisation de ces données. L’outil s’est déployé avec succès, ainsi que le déroulement de cette mission. Ce rapport apporte donc une réflexion sur la conduite de ce projet, mais également un exposé de la partie technique. |
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SILAT |
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Montpellier - France |
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EcoFoG @ carole.legrand @ |
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294 |
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Author |
Domenach, A.M.; Roggy, J.C.; Molino, J.F.; Marechal, J.; Sabatier, D.; Prevost, M.F. |
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Title |
Diversity of the Leguminous tree Rhizobium associations and role of nitogen fixation on the stability of the rainforest in French Guiana. Part 2 – Chapter 5 |
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Book Chapter |
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Year |
2004 |
Publication |
Ecology and Management of a Neotropical Rainforest. Lessons drawn from Paracou, a long-term experimental research site in French Guiana |
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120-143 |
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Elsevier |
Place of Publication |
Nancy |
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Gourlet Fleury, S.; Guehl, J.M.; Laroussinie, O. |
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2-84299-455-8 |
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EcoFoG @ webmaster @ 20 |
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53 |
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Author |
Domenach, A.M. |
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Title |
Restauration par revégétalisation des sites miniers |
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Book Chapter |
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Year |
2011 |
Publication |
De la recherche en Guyane – La science par exemple |
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55-56 |
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Ibis Rouge Editions |
Place of Publication |
Cayenne - Guyane française |
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PNR Guyane |
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EcoFoG @ carole.legrand @ |
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152 |
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Author |
Dolley, T. ; Blanfort, V. ; Cornu, G. ; Rossi, V. |
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Title |
Guyasim, un outil d'aide à la décision pour évaluer des services écosystémiques de la forêt guyanaise. |
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Conference Article |
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Year |
2013 |
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52-55 |
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CIRAD |
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Montpellier - France |
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Carbone des paturages de Guyane et gaz à effet de serre |
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EcoFoG @ carole.legrand @ |
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223 |
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Dlouha, J.; Almeras, T.; Clair, B.; Gril, J.; Horacek, P. |
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Title |
Impact of viscoelasticity and juvenile wood occurence on the tree reorientation process |
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Conference Article |
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Year |
2006 |
Publication |
Proceedings of the fifth plant biomechanics conference |
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2 |
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503-508 |
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STFI-Packforsk AB |
Place of Publication |
Stockholm (Sweden) |
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Salmén, L. |
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August 28th-september 1st, 2006 |
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EcoFoG @ webmaster @ |
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138 |
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Author |
Djenontin, S.T.; Amusant, N.; Ducrot, P.H.; Sohounhloue, D.C.K.; Pioch, D. |
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Title |
First report on the termiticidal activity of extracts of Annona squamosa (Annonaceae) seeds and on its active constituent squamocins |
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Conference Article |
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2012 |
Publication |
2012 IUFRO Conference proceedings |
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Volume |
Division 5 Forest products |
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138-139 |
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Abstract |
Termites inflict severe damage on wood and impede usage of several forest species. The biological metabolites could potentially replace synthetic termiticidal products which are becoming more restricted to use. Annona squamosa is well known for its edible fruits – tropical custard apple. Annonaceous tetrahydrofuran acetogenins have attracted much interest due to their broad range of biological activities, and seeds containing them are reported to show insecticidal and abortifacient properties.
Under the course our exploratory investigation of non food valuable products from less known forest species (here from Benin), the fractions obtained from defatted cake of Annona squamosa seeds with solvents covering a broad range of polarity, revealed a significant termiticidal activity, when applied at 5 – 10 mg/cm² (non-polar solvent) and 1.2 – 5 mg/cm² (case of a more polar solvent).
Based on the result (0: no attack) from the standard procedure EN 118, these extracts could be used for preserving wood under class of use number 1. A derivatization step with Kedde reagents A and B, elemental analysis C,H,O, HPLC/MS and proton NMR showed the presence of squamocin type acetogenins (MW 594 and 622 g/mole: C35H62O7 and C37H66O7) as main components of the most active fraction (100% mortality within 7 days for a sample applied at 2 mg/cm²).
Additional work will be undertaken to confirm the structure of most active compounds in the extracts, and to check whether some Annona squamosa seed extracts (non timber products of sustainable management of native forest) could show even higher activity to protect wood under more adverse conditions and be alternative active natural products to synthetic compounds. |
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Lisbonne, Portugal |
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8-13 juillet 2012 |
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EcoFoG @ webmaster @ |
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186 |
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Author |
Dezécache, Camille |
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Title |
Les fondements de REDD + à l'épreuve des modèles de la déforestation : cas d'étude sur le Plateau des Guyanes |
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2017 |
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Volume |
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159 |
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Ph.D. thesis |
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Publisher |
Université de Guyane |
Place of Publication |
Cayenne - Guyane française |
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Hérault, Bruno ; Salles, Jean-Michel |
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EcoFoG @ carole.legrand @ |
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297 |
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Author |
Descazeaux, O. |
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Title |
Biodiversité moléculaire des fructifications fongiques des cinq sites forestiers de Guyane française |
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2008 |
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Master's thesis |
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Université de Bordeaux 2 |
Place of Publication |
Bordeaux - France |
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EcoFoG @ webmaster @ 187 |
Serial |
86 |
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