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| Author | Dezecache, C.; Salles, J.-M.; Herault, B. | ||||
| Title | Questioning emissions-based approaches for the definition of REDD+ deforestation baselines in high forest cover/low deforestation countries | Type | Journal Article | ||
| Year | 2018 | Publication | Carbon Balance Manage. | Abbreviated Journal | |
| Volume | 13 | Issue | 21 | Pages | |
| Keywords | Baseline; Deforestation; Guiana Shield; HFLD countries; Redd+; Reference level; Spatial modelling | ||||
| Abstract | Background: REDD+ is being questioned by the particular status of High Forest/Low Deforestation countries. Indeed, the formulation of reference levels is made difficult by the confrontation of low historical deforestation records with the forest transition theory on the one hand. On the other hand, those countries might formulate incredibly high deforestation scenarios to ensure large payments even in case of inaction. Results: Using a wide range of scenarios within the Guiana Shield, from methods involving basic assumptions made from past deforestation, to explicit modelling of deforestation using relevant socio-economic variables at the regional scale, we show that the most common methodologies predict huge increases in deforestation, unlikely to happen given the existing socio-economic situation. More importantly, it is unlikely that funds provided under most of these scenarios could compensate for the total cost of avoided deforestation in the region, including social and economic costs. Conclusion: This study suggests that a useful and efficient international mechanism should really focus on removing the underlying political and socio-economic forces of deforestation rather than on hypothetical result-based payments estimated from very questionable reference levels. | ||||
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| Publisher | BioMed Central Ltd. | Place of Publication | Editor | ||
| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
ISSN  |
17500680 (Issn) | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | EcoFoG @ webmaster @ | Serial | 837 | ||
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| Author | Dezecache, Camille; Faure, Emmanuel; Gond, Valéry; Salles, Jean-Michel; Vieilledent, Ghislain; Herault, Bruno | ||||
| Title | Gold-rush in a forested El Dorado: deforestation leakages and the need for regional cooperation | Type | Journal Article | ||
| Year | 2017 | Publication | Environmental Research Letters | Abbreviated Journal | |
| Volume | 12 | Issue | 3 | Pages | 034013 |
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| Abstract | Tropical forests of the Guiana Shield are the most affected by gold-mining in South America, experiencing an exponential increase in deforestation since the early 2000’s. Using yearly deforestation data encompassing Guyana, Suriname, French Guiana and the Brazilian State of Amapá, we demonstrated a strong relationship between deforestation due to gold-mining and gold-prices at the regional scale. In order to assess additional drivers of deforestation due to gold-mining, we focused on the national scale and highlighted the heterogeneity of the response to gold-prices under different political contexts. Deforestation due to gold-mining over the Guiana Shield occurs mainly in Guyana and Suriname. On the contrary, past and current repressive policies in Amapá and French Guiana likely contribute to the decorrelation of deforestation and gold prices. In this work, we finally present a case study focusing on French Guiana and Suriname, two neighbouring countries with very different levels of law enforcement against illegal gold-mining. We developed a modelling framework to estimate potential deforestation leakages from French Guiana to Suriname in the border areas. Based on our assumptions, we estimated a decrease in deforestation due to gold-mining of approx. 4300 hectares in French Guiana and an increase of approx. 12 100 hectares in Suriname in response to the active military repression of illegal gold-mining launched in French Guiana. Gold-mining in the Guiana Shield provides challenging questions regarding REDD+ implementation. These questions are discussed at the end of this study and are important to policy makers who need to provide sustainable alternative employment to local populations in order to ensure the effectiveness of environmental policies. | ||||
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| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN |
1748-9326 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | EcoFoG @ webmaster @ | Serial | 738 | ||
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| Author | Piponiot, C.; Rödig, E.; Putz, F.E.; Rutishauser, E.; Sist, P.; Ascarrunz, N.; Blanc, L.; Derroire, G.; Descroix, L.; Guedes, M.C.; Coronado, E.H.; Huth, A.; Kanashiro, M.; Licona, J.C.; Mazzei, L.; d’Oliveira, M.V.N.; Peña-Claros, M.; Rodney, K.; Shenkin, A.; de Souza, C.R.; Vidal, E.; West, T.A.P.; Wortel, V.; Herault, B. | ||||
| Title | Can timber provision from Amazonian production forests be sustainable? | Type | Journal Article | ||
| Year | 2019 | Publication | Environmental Research Letters | Abbreviated Journal | Environmental Research Letters |
| Volume | 14 | Issue | 6 | Pages | 064014 |
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| Abstract | Around 30 Mm3 of sawlogs are extracted annually by selective logging of natural production forests in Amazonia, Earth’s most extensive tropical forest. Decisions concerning the management of these production forests will be of major importance for Amazonian forests’ fate. To date, no regional assessment of selective logging sustainability supports decision-making. Based on data from 3500 ha of forest inventory plots, our modelling results show that the average periodic harvests of 20 m3 ha−1 will not recover by the end of a standard 30 year cutting cycle. Timber recovery within a cutting cycle is enhanced by commercial acceptance of more species and with the adoption of longer cutting cycles and lower logging intensities. Recovery rates are faster in Western Amazonia than on the Guiana Shield. Our simulations suggest that regardless of cutting cycle duration and logging intensities, selectively logged forests are unlikely to meet timber demands over the long term as timber stocks are predicted to steadily decline. There is thus an urgent need to develop an integrated forest resource management policy that combines active management of production forests with the restoration of degraded and secondary forests for timber production. Without better management, reduced timber harvests and continued timber production declines are unavoidable. | ||||
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| Publisher | IOP Publishing | Place of Publication | Editor | ||
| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN |
1748-9326 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | EcoFoG @ webmaster @ | Serial | 875 | ||
| Permanent link to this record | |||||
| Author | Piponiot, C.; Rutishauser, E.; Derroire, G.; Putz, F.E.; Sist, P.; West, T.A.P.; Descroix, L.; Guedes, M.C.; Coronado, E.N.H.; Kanashiro, M.; Mazzei, L.; d’Oliveira, M.V.N.; Peña-Claros, M.; Rodney, K.; Ruschel, A.R.; Souza, C.R. de; Vidal, E.; Wortel, V.; Hérault, B. | ||||
| Title | Optimal strategies for ecosystem services provision in Amazonian production forests | Type | Journal Article | ||
| Year | 2019 | Publication | Environmental Research Letters | Abbreviated Journal | |
| Volume | 14 | Issue | 12 | Pages | 124090 |
| Keywords | |||||
| Abstract | Although tropical forests harbour most of the terrestrial carbon and biological diversity on Earth they continue to be deforested or degraded at high rates. In Amazonia, the largest tropical forest on Earth, a sixth of the remaining natural forests is formally dedicated to timber extraction through selective logging. Reconciling timber extraction with the provision of other ecosystem services (ES) remains a major challenge for forest managers and policy-makers. This study applies a spatial optimisation of logging in Amazonian production forests to analyse potential trade-offs between timber extraction and recovery, carbon storage, and biodiversity conservation. Current logging regulations with unique cutting cycles result in sub-optimal ES-use efficiency. Long-term timber provision would require the adoption of a land-sharing strategy that involves extensive low-intensity logging, although high transport and road-building costs might make this approach economically unattractive. By contrast, retention of carbon and biodiversity would be enhanced by a land-sparing strategy restricting high-intensive logging to designated areas such as the outer fringes of the region. Depending on management goals and societal demands, either choice will substantially influence the future of Amazonian forests. Overall, our results highlight the need for revaluation of current logging regulations and regional cooperation among Amazonian countries to enhance coherent and trans-boundary forest management. | ||||
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| Publisher | IOP Publishing | Place of Publication | Editor | ||
| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN |
1748-9326 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | EcoFoG @ webmaster @ | Serial | 910 | ||
| Permanent link to this record | |||||
| Author | Petillon, J.; Montaigne, W.; Renault, D. | ||||
| Title | Hypoxic coma as a strategy to survive inundation in a salt-marsh inhabiting spider | Type | Journal Article | ||
| Year | 2009 | Publication | Biology Letters | Abbreviated Journal | Biol. Lett. |
| Volume | 5 | Issue | 4 | Pages | 442-445 |
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| Language | Summary Language | Original Title | |||
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| Series Volume | Series Issue | Edition | |||
| ISSN |
1744-9561 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | WOS:000267881700002 | Approved | no | ||
| Call Number | EcoFoG @ webmaster @ | Serial | 288 | ||
| Permanent link to this record | |||||
| Author | Ruiz-Gonzalez, M.X.; Male, P.J.G.; Leroy, C.; Dejean, A.; Gryta, H.; Jargeat, P.; Quilichini, A.; Orivel, J. | ||||
| Title | Specific, non-nutritional association between an ascomycete fungus and Allomerus plant-ants | Type | Journal Article | ||
| Year | 2011 | Publication | Biology Letters | Abbreviated Journal | Biol. Lett. |
| Volume | 7 | Issue | 3 | Pages | 475-479 |
| Keywords | ant-fungus association; Cordia nodosa; Chaetothyriales; Hirtella physophora; myrmecophyte; population structure | ||||
| Abstract | Ant-fungus associations are well known from attine ants, whose nutrition is based on a symbiosis with basidiomycete fungi. Otherwise, only a few non-nutritional ant-fungus associations have been recorded to date. Here we focus on one of these associations involving Allomerus plant-ants that build galleried structures on their myrmecophytic hosts in order to ambush prey. We show that this association is not opportunistic because the ants select from a monophyletic group of closely related fungal haplotypes of an ascomycete species from the order Chaetothyriales that consistently grows on and has been isolated from the galleries. Both the ants' behaviour and an analysis of the genetic population structure of the ants and the fungus argue for host specificity in this interaction. The ants' behaviour reveals a major investment in manipulating, growing and cleaning the fungus. A molecular analysis of the fungus demonstrates the widespread occurrence of one haplotype and many other haplotypes with a lower occurrence, as well as significant variation in the presence of these fungal haplotypes between areas and ant species. Altogether, these results suggest that such an interaction might represent an as-yet undescribed type of specific association between ants and fungus in which the ants cultivate fungal mycelia to strengthen their hunting galleries. | ||||
| Address | [Leroy, Celine; Dejean, Alain; Quilichini, Angelique; Orivel, Jerome] CNRS, UMR Ecol Forets Guyane 8172, F-97379 Kourou, France, Email: jerome.orivel@ecofog.gf | ||||
| Corporate Author | Thesis | ||||
| Publisher | Royal Soc | Place of Publication | Editor | ||
| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN |
1744-9561 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | ISI:000290515100044 | Approved | no | ||
| Call Number | EcoFoG @ webmaster @ | Serial | 317 | ||
| Permanent link to this record | |||||
| Author | Biwolé, A.B.; Dainou, K.; Fayolle, A.; Hardy, O.J.; Brostaux, Y.; Coste, S.; Delion, S.; Betti, J.L.; Doucet, J.-L. | ||||
| Title | Light Response of Seedlings of a Central African Timber Tree Species, Lophira alata (Ochnaceae), and the Definition of Light Requirements | Type | Journal Article | ||
| Year | 2015 | Publication | Biotropica | Abbreviated Journal | Biotropica |
| Volume | 47 | Issue | 6 | Pages | 681-688 |
| Keywords | biomass allocation; Central Africa; light requirement: Lophira alata; population; relative growth rate; seedling growth; timber species; Afrique centrale; allocation de biomasse; besoins en lumière; croissance des semis; bois d'œuvre; Lophira alata; population; taux de croissance relatif | ||||
| Abstract | Light is of primary importance in structuring tropical tree communities. Light exposure at seedling and adult stages has been used to characterize the ecological profile of tropical trees, with many implications in forest management and restoration ecology. Most shade-tolerance classification systems have been proposed based on empirical observations in a specific area and thus result in contradictions among categories assigned to a given species. In this study, we aimed to quantify the light requirements for seedling growth of a Central African timber tree, Lophira alata (Ochnaceae), taking into account effects of population origin. In two controlled experiments: a light response experiment and a comparative population experiment, conducted in southwestern Cameroon, using seeds collected from four populations (three from Cameroon and one from Gabon), we examined the quantitative responses to irradiance of seedlings. After 2 years, mortality was very low (<3%), even in extremely low irradiance. Growth and biomass allocation patterns varied in response to light, with intermediate irradiance (24–43%) providing optimal conditions. Light response differed between populations. The Boumba population in the northeastern edge of the species' distribution exhibited the highest light requirements, suggesting a local adaptation. As a result of positive growth at low irradiance and maximum growth at intermediate irradiance, we concluded that L. alata exhibits characteristics of both non-pioneer and pioneer species. Implications of our results to propose an objective way to assign the light requirement for tropical tree species are discussed. | ||||
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| Language | Summary Language | Original Title | |||
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| Series Volume | Series Issue | Edition | |||
| ISSN |
1744-7429 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | EcoFoG @ webmaster @ | Serial | 648 | ||
| Permanent link to this record | |||||
| Author | Rutishauser, E.; Herault, B.; Petronelli, P.; Sist, P. | ||||
| Title | Tree Height Reduction After Selective Logging in a Tropical Forest | Type | Journal Article | ||
| Year | 2016 | Publication | Biotropica | Abbreviated Journal | Biotropica |
| Volume | 48 | Issue | 3 | Pages | 285-289 |
| Keywords | carbon sequestration; forest management; logging; tropical forests; wood production | ||||
| Abstract | By harvesting scattered large trees, selective logging increases light availability and thereby stimulates growth and crown expansion at early-life stage among remnant trees. We assessed the effects of logging on total and merchantable bole (i.e., lowest branch at crown base) heights on 952 tropical canopy trees in French Guiana. We observed reductions in both total (mean, −2.3 m) and bole (mean, −2.0 m) heights more than a decade after selective logging. Depending on local logging intensity, height reductions resulted in 2–13 percent decreases in aboveground tree biomass and 3–17 percent decreases in bole volume. These results highlight the adverse effects of logging at both tree and stand levels. This decrease in height is a further threat to future provision of key environmental services, such as timber production and carbon sequestration. | ||||
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| Language | Summary Language | Original Title | |||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN |
1744-7429 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | EcoFoG @ webmaster @ | Serial | 723 | ||
| Permanent link to this record | |||||
| Author | Molto, Q.; Herault, B.; Boreux, J.-J.; Daullet, M.; Rousteau, A.; Rossi, V. | ||||
| Title | Predicting tree heights for biomass estimates in tropical forests -A test from French Guiana | Type | Journal Article | ||
| Year | 2014 | Publication | Biogeosciences | Abbreviated Journal | Biogeosciences |
| Volume | 11 | Issue | 12 | Pages | 3121-3130 |
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| Abstract | The recent development of REDD+ mechanisms requires reliable estimation of carbon stocks, especially in tropical forests that are particularly threatened by global changes. Even though tree height is a crucial variable for computing aboveground forest biomass (AGB), it is rarely measured in large-scale forest censuses because it requires extra effort. Therefore, tree height has to be predicted with height models. The height and diameter of all trees over 10 cm in diameter were measured in 33 half-hectare plots and 9 one-hectare plots throughout northern French Guiana, an area with substantial climate and environmental gradients. We compared four different model shapes and found that the Michaelis-Menten shape was most appropriate for the tree biomass prediction. Model parameter values were significantly different from one forest plot to another, and this leads to large errors in biomass estimates. Variables from the forest stand structure explained a sufficient part of plot-to-plot variations of the height model parameters to improve the quality of the AGB predictions. In the forest stands dominated by small trees, the trees were found to have rapid height growth for small diameters. In forest stands dominated by larger trees, the trees were found to have the greatest heights for large diameters. The aboveground biomass estimation uncertainty of the forest plots was reduced by the use of the forest structure-based height model. It demonstrated the feasibility and the importance of height modeling in tropical forests for carbon mapping. When the tree heights are not measured in an inventory, they can be predicted with a height-diameter model and incorporating forest structure descriptors may improve the predictions. © Author(s) 2014. CC Attribution 3.0 License. | ||||
| Address | Université de Liège, Liège, Belgium | ||||
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| Publisher | European Geosciences Union | Place of Publication | Editor | ||
| Language | Summary Language | Original Title | |||
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| Series Volume | Series Issue | Edition | |||
| ISSN |
17264189 (Issn) | ISBN | Medium | ||
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| Notes | Export Date: 3 July 2014; Correspondence Address: Molto, Q.; Université des Antilles et de la Guyane, UMR Ecologie des Forêts de Guyane, Kourou, France; email: quentin.molto@gmail.com | Approved | no | ||
| Call Number | EcoFoG @ webmaster @ | Serial | 550 | ||
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| Author | Wagner, F.; Rossi, V.; Stahl, C.; Bonal, D.; Herault, B. | ||||
| 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 | 11 | Pages | 7307-7321 |
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| 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 | ||||
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| ISSN |
17264170 (Issn) | ISBN | Medium | ||
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| 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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