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Author Chang, S.S.; Clair, B.; Ruelle, J.; Beauchene, J.; Di Renzo, F.; Quignard, F.; Zhao, G.J.; Yamamoto, H.; Gril, J. openurl 
  Title Mesoporosity as a new parameter for understanding tension stress generation in trees Type Journal Article
  Year 2009 Publication Journal of Experimental Botany Abbreviated Journal J. Exp. Bot.  
  Volume 60 Issue (up) 11 Pages 3023-3030  
  Keywords Growth stress; hydrogel; mesoporosity; tension wood  
  Abstract The mechanism for tree orientation in angiosperms is based on the production of high tensile stress on the upper side of the inclined axis. In many species, the stress level is strongly related to the presence of a peculiar layer, called the G-layer, in the fibre cell wall. The structure of the G-layer has recently been described as a hydrogel thanks to N-2 adsorption-desorption isotherms of supercritically dried samples showing a high mesoporosity (pores size from 2-50 nm). This led us to revisit the concept of the G-layer that had been, until now, only described from anatomical observation. Adsorption isotherms of both normal wood and tension wood have been measured on six tropical species. Measurements show that mesoporosity is high in tension wood with a typical thick G-layer while it is much less with a thinner G-layer, sometimes no more than normal wood. The mesoporosity of tension wood species without a G-layer is as low as in normal wood. Not depending on the amount of pores, the pore size distribution is always centred around 6-12 nm. These results suggest that, among species producing fibres with a G-layer, large structural differences of the G-layer exist between species.  
  Address [Chang, Shan-Shan; Clair, Bruno; Gril, Joseph] Univ Montpellier 2, LMGC, CNRS, F-34095 Montpellier 5, France, Email: clair@lmgc.univ-montp2.fr  
  Corporate Author Thesis  
  Publisher OXFORD UNIV PRESS Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0022-0957 ISBN Medium  
  Area Expedition Conference  
  Notes ISI:000268588300008 Approved no  
  Call Number EcoFoG @ eric.marcon @ Serial 107  
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Author Scotti, I.; Gugerli, F.; Pastorelli, R.; Sebastiani, F.; Vendramin, G.G. openurl 
  Title Maternally and paternally inherited molecular markers elucidate population patterns and inferred dispersal processes on a small scale within a subalpine stand of Norway spruce (Picea abies [L.] Karst.) Type Journal Article
  Year 2008 Publication Forest Ecology and Management Abbreviated Journal For. Ecol. Manage.  
  Volume 255 Issue (up) 11 Pages 3806-3812  
  Keywords chloroplast microsatellites; mitochondrial minisatellites; pollen/seed dispersal; demography; spatial autocorrelation  
  Abstract The within-population spatial structure of genetic diversity is shaped by demographic processes, including historical accidents such as forest perturbations. Information drawn from the analysis of the spatial distribution of genetic diversity is therefore inherently linked to demographic-historical processes that ultimately determine the fate of populations. All adult trees and saplings in a 1.4-ha plot within a mixed Norway spruce (Picea abies [L.] Karst) stand were characterised by means of chloroplast (paternally inherited) markers, and a large sub-sample of these were genotyped at mitochondrial (maternally inherited) molecular markers. These data were used to analyse the spatial distribution of genetic variation and to compare the patterns corresponding to the two marker types. The plot presented non-homogeneous local stem density in the younger cohorts, and the indirect effect of this source of variation on the spatial genetic structure was investigated. Results suggest that (i) spatially limited seed dispersal induced patchiness in genotype distribution, while pollen flow had a homogenising effect; (ii) deviations from random spatial structure were stronger in the demographically most stable portions of the stand, while they were weaker where sudden bursts of regeneration occurred; (iii) spatially overlapping adult and sapling cohorts displayed the same spatial genetic structure (stronger on stable areas, weaker in portions of the stand undergoing events of intense regeneration), which was substantiated by the influence of local demographic processes. Regeneration dynamics as modulated by demography thus influences the distribution of genetic diversity within the stand both in the younger life stages and in the adult population. (C) 2008 Elsevier B.V. All rights reserved.  
  Address [Scotti, I.] INRA, UMR 0745, ECOFOG, F-97387 Kourou, France, Email: ivan.scotti@kourou.cirad.fr  
  Corporate Author Thesis  
  Publisher ELSEVIER SCIENCE BV Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0378-1127 ISBN Medium  
  Area Expedition Conference  
  Notes ISI:000257019100019 Approved no  
  Call Number EcoFoG @ eric.marcon @ Serial 137  
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Author Almeras, T.; Gril, J. openurl 
  Title Mechanical analysis of the strains generated by water tension in plant stems. Part 1: stress transmission from the water to the cell walls Type Journal Article
  Year 2007 Publication Tree Physiology Abbreviated Journal Tree Physiol.  
  Volume 27 Issue (up) 11 Pages 1505-1516  
  Keywords biomechanics; cell mechanics; diurnal strains; mechanical model; multilayer cylinder; stress transtnissionjactor  
  Abstract Plant tissues shrink and swell in response to changes in water pressure. These strains can be easily measured, e.g., at the surface of tree stems, to obtain indirect information about plant water status and other physiological parameters. We developed a mechanical model to clarify how water pressure is transmitted to cell walls and causes shrinkage of plant tissues, particularly in the case of thick-walled cells such as wood fibers. Our analysis shows that the stress inside the fiber cell walls is lower than the water tension. The difference is accounted for by a stress transmission factor that depends on two main effects. The first effect is the dilution of the stress through the cell wall, because water acts at the lumen border and is transmitted to the cuter border of the cell, which has a larger circumference. The second effect is the partial conversion of radial stress into tangential stress. Both effects are quantified as functions of parameters of the cell wall structure and its mechanical properties.  
  Address INRA, UMR Ecofog, F-97379 Kourou, French Guiana, France, Email: t_almeras@hotmail.com  
  Corporate Author Thesis  
  Publisher HERON PUBLISHING Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0829-318X ISBN Medium  
  Area Expedition Conference  
  Notes ISI:000250847000001 Approved no  
  Call Number EcoFoG @ eric.marcon @ Serial 152  
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Author Rahali, H.; Ghanem, N.; Griffe, L.; Rahali, R.; Stien, D. openurl 
  Title A general approach to the quantification of resin-bound functional groups by NMR Type Journal Article
  Year 2004 Publication New Journal of Chemistry Abbreviated Journal New J. Chem.  
  Volume 28 Issue (up) 11 Pages 1344-1346  
  Keywords  
  Abstract There has been a continuing need for sensitive, accurate and rapid methods to monitor functional loading of insoluble supports for solid phase synthesis. The present articles reports our findings regarding functional group loading quantification using H-1 NMR. Results obtained for supported amino, hydroxyl and NH-Fmoc groups are in agreement with those calculated using well-established methods and demonstrate that the strategy of looking, either at the excess reagent left in solution (NH2 and OH), or at the protecting group derivatives released from the polymer (Fmoc), is a viable approach to resin loading quanti. cation.  
  Address Univ Montpellier 2, CNRS, UMR 5810, Lab Aminoacides Peptides & Prot, F-34095 Montpellier 05, France, Email: didier.stien@guyane.cnrs.fr  
  Corporate Author Thesis  
  Publisher ROYAL SOC CHEMISTRY Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1144-0546 ISBN Medium  
  Area Expedition Conference  
  Notes ISI:000224894700013 Approved no  
  Call Number EcoFoG @ eric.marcon @ Serial 261  
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Author Coste, S.; Roggy, J.C.; Schimann, H.; Epron, D.; Dreyer, E. pdf  openurl
  Title A cost-benefit analysis of acclimation to low irradiance in tropical rainforest tree seedlings: leaf life span and payback time for leaf deployment Type Journal Article
  Year 2011 Publication Journal of Experimental Botany Abbreviated Journal J. Exp. Bot.  
  Volume 62 Issue (up) 11 Pages 3941-3955  
  Keywords Carbon balance; construction cost; functional diversity; leaf life span; payback time; photosynthesis; tropical rainforest  
  Abstract The maintenance in the long run of a positive carbon balance under very low irradiance is a prerequisite for survival of tree seedlings below the canopy or in small gaps in a tropical rainforest. To provide a quantitative basis for this assumption, experiments were carried out to determine whether construction cost (CC) and payback time for leaves and support structures, as well as leaf life span (i) differ among species and (ii) display an irradiance-elicited plasticity. Experiments were also conducted to determine whether leaf life span correlates to CC and payback time and is close to the optimal longevity derived from an optimization model. Saplings from 13 tropical tree species were grown under three levels of irradiance. Specific-CC was computed, as well as CC scaled to leaf area at the metamer level. Photosynthesis was recorded over the leaf life span. Payback time was derived from CC and a simple photosynthesis model. Specific-CC displayed only little interspecific variability and irradiance-elicited plasticity, in contrast to CC scaled to leaf area. Leaf life span ranged from 4 months to > 26 months among species, and was longest in seedlings grown under lowest irradiance. It was always much longer than payback time, even under the lowest irradiance. Leaves were shed when their photosynthesis had reached very low values, in contrast to what was predicted by an optimality model. The species ranking for the different traits was stable across irradiance treatments. The two pioneer species always displayed the smallest CC, leaf life span, and payback time. All species displayed a similar large irradiance-elicited plasticity.  
  Address [Coste, S; Epron, D; Dreyer, E] INRA, UMR1137, Ctr INRA Nancy, F-54280 Champenoux, France, Email: dreyer@nancy.inra.fr  
  Corporate Author Thesis  
  Publisher Oxford Univ Press Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0022-0957 ISBN Medium  
  Area Expedition Conference  
  Notes WOS:000292838700021 Approved no  
  Call Number EcoFoG @ webmaster @ Serial 331  
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Author Rodrigues, A.M.; Amusant, N.; Beauchene, J.; Eparvier, V.; Lemenager, N.; Baudasse, C.; Espindola, L.S.; Stien, D. url  openurl
  Title The termiticidal activity of Sextonia rubra (Mez) van der Werff (Lauraceae) extract and its active constituent rubrynolide Type Journal Article
  Year 2011 Publication Pest Management Science Abbreviated Journal Pest Manage. Sci.  
  Volume 67 Issue (up) 11 Pages 1420-1423  
  Keywords Nasutitermes macrocephalus; Reticulitermes flavipes; Rubrynolide; Sextonia rubra extract; Wood preservation  
  Abstract Termites are degradation agents that inflict severe damage on wood. Some long-lasting Amazonian trees can resist these insects by producing toxic secondary metabolites. These metabolites could potentially replace synthetic termiticidal products which are becoming more restricted to use. Results: Sextonia rubra is resistant to termite-induced degradation. It has been demonstrated that this species naturally produces an ethyl-acetate-soluble termiticidal metabolite, rubrynolide, to protect its wood. Assays in the presence of tropical and invasive termites established that both rubrynolide and crude ethyl acetate extract from S. rubra wood can be used as a treatment for the protection of sensitive woods against termites. Conclusion: Rubrynolide and S. rubra extract are promising candidates for the replacement of synthetic termiticides. © 2011 Society of Chemical Industry.  
  Address CNRS-Institut de Chimie des Substances Naturelles, Gif-sur-Yvette, France  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1526498x (Issn) ISBN Medium  
  Area Expedition Conference  
  Notes Export Date: 26 October 2011; Source: Scopus; Coden: Pmscf; doi: 10.1002/ps.2167; Language of Original Document: English; Correspondence Address: Rodrigues, A.M.; UMR Ecofog, Institut d'Enseignement Supérieur de la Guyane, BP792, 97337 Cayenne Cedex, France; email: alice.rodrigues@pop.com.br Approved no  
  Call Number EcoFoG @ webmaster @ Serial 362  
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Author Dejean, A.; Cereghino, R.; Carpenter, J.M.; Corbara, B.; Herault, B.; Rossi, V.; Leponce, M.; Orivel, J.; Bonal, D. pdf  url
openurl 
  Title Climate change impact on neotropical social wasps Type Journal Article
  Year 2011 Publication PLoS One Abbreviated Journal PLoS ONE  
  Volume 6 Issue (up) 11 Pages e27004  
  Keywords  
  Abstract Establishing a direct link between climate change and fluctuations in animal populations through long-term monitoring is difficult given the paucity of baseline data. We hypothesized that social wasps are sensitive to climatic variations, and thus studied the impact of ENSO events on social wasp populations in French Guiana. We noted that during the 2000 La Niña year there was a 77.1% decrease in their nest abundance along ca. 5 km of forest edges, and that 70.5% of the species were no longer present. Two simultaneous 13-year surveys (1997-2009) confirmed the decrease in social wasps during La Niña years (2000 and 2006), while an increase occurred during the 2009 El Niño year. A 30-year weather survey showed that these phenomena corresponded to particularly high levels of rainfall, and that temperature, humidity and global solar radiation were correlated with rainfall. Using the Self-Organizing Map algorithm, we show that heavy rainfall during an entire rainy season has a negative impact on social wasps. Strong contrasts in rainfall between the dry season and the short rainy season exacerbate this effect. Social wasp populations never recovered to their pre-2000 levels. This is probably because these conditions occurred over four years; heavy rainfall during the major rainy seasons during four other years also had a detrimental effect. On the contrary, low levels of rainfall during the major rainy season in 2009 spurred an increase in social wasp populations. We conclude that recent climatic changes have likely resulted in fewer social wasp colonies because they have lowered the wasps' resistance to parasitoids and pathogens. These results imply that Neotropical social wasps can be regarded as bio-indicators because they highlight the impact of climatic changes not yet perceptible in plants and other animals. © 2011 Dejean et al.  
  Address INRA – Nancy, UMR EEF, Champenou, Nancy, France  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 19326203 (Issn) ISBN Medium  
  Area Expedition Conference  
  Notes Export Date: 29 November 2011; Source: Scopus; Art. No.: e27004; doi: 10.1371/journal.pone.0027004; Language of Original Document: English; Correspondence Address: Dejean, A.; CNRS – UMR 8172, Écologie des Forêts de Guyane (Ecofog), Campus Agronomique, BP 709, Kourou, France; email: alain.dejean@wanadoo.fr Approved no  
  Call Number EcoFoG @ webmaster @ Serial 372  
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Author Lecante, A.; Robert, F.; Lebrini, M.; Roos, C. pdf  openurl
  Title Inhibitive Effect of Siparuna Guianensis Extracts on the Corrosion of Low Carbon Steel in Acidic Media Type Journal Article
  Year 2011 Publication International Journal of Electrochemical Science Abbreviated Journal Int.J.Electrochem.Sci.  
  Volume 6 Issue (up) 11 Pages 5249-5264  
  Keywords Alkaloids extract; corrosion inhibition; C38 steel; EIS; raman spectroscopy  
  Abstract The present study examines the effect of alkaloids extract from Siparuna guianensis leaves and stems on corrosion of C38 steel in 0.1 M HCl using electrochemical impedance spectroscopy (EIS), potentiodynamic polarization technique and Raman spectroscopy. The protection efficiency is better with stems alkaloids extract. The inhibition was assumed to occur via adsorption of inhibitor molecules on the metal surface. The influence of stems alkaloids extract concentration on corrosion of low carbon steel in 0.1 M HCl was studied. The inhibition efficiency obtained from impedance and polarization measurements was in a good agreement and was found to increase with increasing concentration of alkaloids extract up to 50 mg/L for stems extract. The adsorption of the extract on the low carbon steel surface obeys the Langmuir adsorption.  
  Address Laboratoire Matériaux et Molécules en Milieu Amazonien, UAG-UMR ECOFOG, Campus Trou Biran, Cayenne 97337, French Guiana  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number EcoFoG @ webmaster @ Serial 374  
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Author Rey, O.; Estoup, A.; Vonshak, M.; Loiseau, A.; Blanchet, S.; Calcaterra, L.; Chifflet, L.; Rossi, J.-P.; Kergoat, G.J.; Foucaud, J.; Orivel, J.; Leponce, M.; Schultz, T.; Facon, B. url  openurl
  Title Where do adaptive shifts occur during invasion? A multidisciplinary approach to unravelling cold adaptation in a tropical ant species invading the Mediterranean area Type Journal Article
  Year 2012 Publication Ecology Letters Abbreviated Journal Ecol. Lett.  
  Volume 15 Issue (up) 11 Pages 1266-1275  
  Keywords Adaptation; Biological invasion; Climatic niche shift; Cold temperature; Mediterranean zone; Wasmannia auropunctata  
  Abstract Evolution may improve the invasiveness of populations, but it often remains unclear whether key adaptation events occur after introduction into the recipient habitat (i.e. post-introduction adaptation scenario), or before introduction within the native range (i.e. prior-adaptation scenario) or at a primary site of invasion (i.e. bridgehead scenario). We used a multidisciplinary approach to determine which of these three scenarios underlies the invasion of the tropical ant Wasmannia auropunctata in a Mediterranean region (i.e. Israel). Species distribution models (SDM), phylogeographical analyses at a broad geographical scale and laboratory experiments on appropriate native and invasive populations indicated that Israeli populations followed an invasion scenario in which adaptation to cold occurred at the southern limit of the native range before dispersal to Israel. We discuss the usefulness of combining SDM, genetic and experimental approaches for unambiguous determination of eco-evolutionary invasion scenarios. © 2012 Blackwell Publishing Ltd/CNRS.  
  Address Smithsonian Institute, Department of Entomology, Natural Museum of Natural History, Washington, DC, 20013, United States  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1461023x (Issn) ISBN Medium  
  Area Expedition Conference  
  Notes Export Date: 19 October 2012; Source: Scopus; Coden: Eclef; doi: 10.1111/j.1461-0248.2012.01849.x; Language of Original Document: English; Correspondence Address: Rey, O.; INRA, UMR1062, CBGP, Montpellier, France; email: olivier.rey.1@gmail.com Approved no  
  Call Number EcoFoG @ webmaster @ Serial 441  
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Author Wagner, F.; Rossi, V.; Stahl, C.; Bonal, D.; Herault, B. pdf  url
openurl 
  Title Asynchronism in leaf and wood production in tropical forests: A study combining satellite and ground-based measurements Type Journal Article
  Year 2013 Publication Biogeosciences Abbreviated Journal Biogeosciences  
  Volume 10 Issue (up) 11 Pages 7307-7321  
  Keywords  
  Abstract The fixation of carbon in tropical forests mainly occurs through the production of wood and leaves, both being the principal components of net primary production. Currently field and satellite observations are independently used to describe the forest carbon cycle, but the link between satellite-derived forest phenology and field-derived forest productivity remains opaque. We used a unique combination of a MODIS enhanced vegetation index (EVI) dataset, a wood production model based on climate data and direct litterfall observations at an intra-annual timescale in order to question the synchronism of leaf and wood production in tropical forests. Even though leaf and wood biomass fluxes had the same range (respectively 2.4 ± 1.4 and 2.2 ± 0.4 Mg C ha-1 yr-1), they occurred separately in time. EVI increased with leaf renewal at the beginning of the dry season, when solar irradiance was at its maximum. At this time, wood production stopped. At the onset of the rainy season, when new leaves were fully mature and water available again, wood production quickly increased to reach its maximum in less than a month, reflecting a change in carbon allocation from short-lived pools (leaves) to long-lived pools (wood). The time lag between peaks of EVI and wood production (109 days) revealed a substantial decoupling between the leaf renewal assumed to be driven by irradiance and the water-driven wood production. Our work is a first attempt to link EVI data, wood production and leaf phenology at a seasonal timescale in a tropical evergreen rainforest and pave the way to develop more sophisticated global carbon cycle models in tropical forests. © 2013 Author(s).  
  Address INRA, UMR EEF 1137, 54280 Champenoux, France  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 17264170 (Issn) ISBN Medium  
  Area Expedition Conference  
  Notes Export Date: 2 December 2013; Source: Scopus; doi: 10.5194/bg-10-7307-2013; Language of Original Document: English; Correspondence Address: Wagner, F.; CIRAD, UMR Ecologie des Forêts de Guyane, Kourou, French Guiana, French Guiana; email: wagner.h.fabien@gmail.com; References: Allen, R., Smith, M., Pereira, L., Perrier, A., An update for the calculation of reference evapotranspiration (1994) Journal of the ICID, 43, pp. 35-92; Anderson, L.O., Biome-scale forest properties in Amazonia based on field and satellite observations (2012) Remote Sens., 4, pp. 1245-1271. , doi:10.3390/rs4051245; Arias, P.A., Fu, R., Hoyos, C.D., Li, W., Zhou, L., Changes in cloudiness over the Amazon rainforests during the last two decades: Diagnostic and potential causes (2011) Clim. Dynam., 37, pp. 1151-1164. , doi:10.1007/s00382-010-0903-2; Asner, G., Townsend, A., Braswell, B., Satellite observation of El Nino effects on Amazon forest phenology and productivity (2000) Geophys. Res. Lett., 27, pp. 981-984. , doi:10.1029/1999GL011113; Asner, G.P., Nepstad, D., Cardinot, G., Ray, D., Drought stress and carbon uptake in an Amazon forest measured with spaceborne imaging spectroscopy (2004) Proceedings of the National Academy of Sciences of the United States of America, 101 (16), pp. 6039-6044. , DOI 10.1073/pnas.0400168101; Baccini, A., Goetz, S.J., Walker, W.S., Laporte, N.T., Sun, M., Sulla-Menashe, D., Hackler, J., Houghton, R.A., Estimated carbon dioxide emissions from tropical deforestation improved by carbon-density maps (2012) Nat. Clim. Change, 2, pp. 182-185. , doi:10.1038/NCLIMATE1354; Baker, T.R., Burslem, D.F.R.P., Swaine, M.D., Associations between tree growth, soil fertility and water availability at local and regional scales in Ghanaian tropical rain forest (2003) Journal of Tropical Ecology, 19 (2), pp. 109-125. , DOI 10.1017/S0266467403003146; Baraloto, C., Paine, C.E.T., Poorter, L., Beauchene, J., Bonal, D., Domenach, A.-M., Herault, B., Chave, J., Decoupled leaf and stem economics in rain forest trees (2010) Ecol. Lett., 13, pp. 1338-1347. , doi:10.1111/j.1461- 0248.2010.01517.x; Barnett, A., Dobson, A., (2010) Analysing Seasonal Health Data, , Springer; Bonal, D., Bosc, A., Ponton, S., Goret, J.-Y., Burban, B.T., Gross, P., Bonnefond, J.-M., Granier, A., Impact of severe dry season on net ecosystem exchange in the Neotropical rainforest of French Guiana (2008) Global Change Biology, 14 (8), pp. 1917-1933. , DOI 10.1111/j.1365-2486.2008.01610.x; Bradley, A.V., Gerard, F.F., Barbier, N., Weedon, G.P., Anderson, L.O., Huntingford, C., Aragao, L.E.O.C., Arai, E., Relationships between phenology, radiation and precipitation in the Amazon region (2011) Glob. Change Biol., 17, pp. 2245-2260. , doi:10.1111/j.1365-2486.2011.02405.x; Brando, P.M., Goetz, S.J., Baccini, A., Nepstad, D.C., Beck, P.S.A., Christman, M.C., Seasonal and interannual variability of climate and vegetation indices across the Amazon (2010) P. Natl. Acad. Sci. USA, 107, pp. 14685-14690. , doi:10.1073/pnas.0908741107; Caldararu, S., Palmer, P.I., Purves, D.W., Inferring Amazon leaf demography from satellite observations of leaf area index (2012) Biogeosciences, 9, pp. 1389-1404. , doi:10.5194/bg-9-1389-2012; Chambers, J.Q., Silver, W.L., Some aspects of ecophysiological and biogeochemical responses of tropical forests to atmospheric change (2004) Philosophical Transactions of the Royal Society B: Biological Sciences, 359 (1443), pp. 463-476. , DOI 10.1098/rstb.2003.1424; Chave, J., Navarrete, D., Almeida, S., Álvarez, E., Aragão, L.E.O.C., Bonal, D., Châtelet, P., Malhi, Y., Regional and seasonal patterns of litterfall in tropical South America (2010) Biogeosciences, 7, pp. 43-55. , doi:10.5194/bg-7-43-2010; Clark, D.B., Clark, D.A., Oberbauer, S.F., Annual wood production in a tropical rain forest in NE Costa Rica linked to climatic variation but not to increasing CO2 (2010) Glob. Change Biol., 16, pp. 747-759. , doi:10.1111/j.1365-2486.2009.02004.x; Delegido, J., Vergara, C., Verrelst, J., Gandia, S., Moreno, J., Remote estimation of crop chlorophyll content by means of highspectral- resolution reflectance techniques (2011) Agron. J., 103, pp. 1834-1842. , doi:10.2134/agronj2011.0101; De Weirdt, M., Verbeeck, H., Maignan, F., Peylin, P., Poulter, B., Bonal, D., Ciais, P., Steppe, K., Seasonal leaf dynamics for tropical evergreen forests in a process-based global ecosystem model (2012) Geosci. Model Dev., 5, pp. 1091-1108. , doi:10.5194/gmd-5-1091-2012; Doughty, C.E., An in situ leaf and branch warming experiment in the amazon (2011) Biotropica, 43, pp. 658-665. , doi:10.1111/j.1744- 7429.2010.00746.x; Doughty, C.E., Goulden, M.L., Are tropical forests near a high temperature threshold? (2008) J. Geophys. 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