Clément Stahl
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View article: Supplementary material to "Dynamics and environmental drivers of methane and nitrous oxide fluxes at the soil and ecosystem levels in a wet tropical forest"
Supplementary material to "Dynamics and environmental drivers of methane and nitrous oxide fluxes at the soil and ecosystem levels in a wet tropical forest" Open
View article: Dynamics and environmental drivers of methane and nitrous oxide fluxes at the soil and ecosystem levels in a wet tropical forest
Dynamics and environmental drivers of methane and nitrous oxide fluxes at the soil and ecosystem levels in a wet tropical forest Open
Tropical forests are critical for maintaining the global carbon balance and mitigating climate change, yet their exchange of greenhouse gases with the atmosphere remains understudied, particularly for methane (CH4) and nitrous oxide (N2O).…
View article: East Amazon forest understory temperatures reached a record high in 2023-2024
East Amazon forest understory temperatures reached a record high in 2023-2024 Open
The Amazon forest was struck by an El Niño event with record heat and drought during the second semester 2023, and again in 2024. However, it remains unclear whether this extreme event impacted the forest understory because long-term in si…
View article: The Global Spectra-Trait Initiative: A database of paired leaf spectroscopy and functional traits associated with leaf photosynthetic capacity
The Global Spectra-Trait Initiative: A database of paired leaf spectroscopy and functional traits associated with leaf photosynthetic capacity Open
Accurate assessment of leaf functional traits is crucial for a diverse range of applications from crop phenotyping to parameterizing global climate models. Leaf reflectance spectroscopy offers a promising avenue to advance ecological and o…
View article: Love Thy Neighbour? Tropical Tree Growth and Its Response to Climate Anomalies Is Mediated by Neighbourhood Hierarchy and Dissimilarity in Carbon‐ and Water‐Related Traits
Love Thy Neighbour? Tropical Tree Growth and Its Response to Climate Anomalies Is Mediated by Neighbourhood Hierarchy and Dissimilarity in Carbon‐ and Water‐Related Traits Open
Taxonomic diversity effects on forest productivity and response to climate extremes range from positive to negative, suggesting a key role for complex interactions among neighbouring trees. To elucidate how neutral interactions, hierarchic…
View article: The Global Spectra-Trait Initiative: A database of paired leaf spectroscopy and functional traits associated with leaf photosynthetic capacity
The Global Spectra-Trait Initiative: A database of paired leaf spectroscopy and functional traits associated with leaf photosynthetic capacity Open
The Global Spectra-Trait Initiative (GSTI) aims to generate generalizable spectra trait models using reflectance data to predict leaf traits associated with the photosynthesis capacity of leaves. It comprises a synthesized dataset of leaf …
View article: Shifting trait coordination along a soil‐moisture‐nutrient gradient in tropical forests
Shifting trait coordination along a soil‐moisture‐nutrient gradient in tropical forests Open
Soil nutrients and water availability are strong drivers of tropical tree species distribution across scales. However, the physiological mechanisms underlying environmental filtering along these gradients remain incompletely understood. Pr…
View article: Are plant traits drivers of endophytic communities in seasonally flooded tropical forests?
Are plant traits drivers of endophytic communities in seasonally flooded tropical forests? Open
Premise In the Amazon basin, seasonally flooded (SF) forests offer varying water constraints, providing an excellent way to investigate the role of habitat selection on microbial communities within plants. However, variations in the microb…
View article: A screening analysis of foliar terpene emissions of 36 rainforest tree species in French Guiana and their relationships with seasonality
A screening analysis of foliar terpene emissions of 36 rainforest tree species in French Guiana and their relationships with seasonality Open
View article: Inferred drought‐induced plant allocation shifts and their impact on drought legacy at a tropical forest site
Inferred drought‐induced plant allocation shifts and their impact on drought legacy at a tropical forest site Open
While droughts predominantly induce immediate reductions in plant carbon uptake, they can also exert long‐lasting effects on carbon fluxes through associated changes in leaf area, soil carbon, etc. Among other mechanisms, shifts in carbon …
View article: Love thy neighbour? Tropical tree growth and its response to climate anomalies is mediated by neighbourhood hierarchy and dissimilarity in carbon and water related traits.
Love thy neighbour? Tropical tree growth and its response to climate anomalies is mediated by neighbourhood hierarchy and dissimilarity in carbon and water related traits. Open
Taxonomic diversity effects on forest productivity and response to climate extremes range from positive to negative, suggesting a key role for complex interactions among neighbouring trees. To elucidate how neutral interactions, hierarchic…
View article: Residual water losses mediate the trade-off between growth and drought survival across saplings of 12 tropical rainforest tree species with contrasting hydraulic strategies
Residual water losses mediate the trade-off between growth and drought survival across saplings of 12 tropical rainforest tree species with contrasting hydraulic strategies Open
Knowledge of the physiological mechanisms underlying species vulnerability to drought is critical for better understanding patterns of tree mortality. Investigating plant adaptive strategies to drought should thus help to fill this knowled…
View article: Different profiles of soil phosphorous compounds depending on tree species and availability of soil phosphorus in a tropical rainforest in French Guiana
Different profiles of soil phosphorous compounds depending on tree species and availability of soil phosphorus in a tropical rainforest in French Guiana Open
Background The availability of soil phosphorus (P) often limits the productivities of wet tropical lowland forests. Little is known, however, about the metabolomic profile of different chemical P compounds with potentially different uses a…
View article: Seasonal variation in ecosystem and soil methane and nitrous oxide fluxes in a tropical rainforest
Seasonal variation in ecosystem and soil methane and nitrous oxide fluxes in a tropical rainforest Open
Tropical forests play a key role in the global carbon balance and in natural climate change mitigation, as they account for 68% of global forest carbon stocks and represent up to 30% of global soil carbon stocks. However, major uncertainti…
View article: Climate anomalies and neighbourhood crowding interact in shaping tree growth in old‐growth and selectively logged tropical forests
Climate anomalies and neighbourhood crowding interact in shaping tree growth in old‐growth and selectively logged tropical forests Open
Climate extremes and biotic interactions at the neighbourhood scale affect tropical forest dynamics with long‐term consequences for biodiversity, global carbon cycling and climate change mitigation. However, forest disturbance may change c…
View article: Contrasting responses of fine root biomass and traits to large‐scale nitrogen and phosphorus addition in tropical forests in the Guiana shield
Contrasting responses of fine root biomass and traits to large‐scale nitrogen and phosphorus addition in tropical forests in the Guiana shield Open
Fine roots mediate plant nutrient acquisition and growth. Depending on soil nutrient availability, plants can regulate fine root biomass and morphological traits to optimise nutrient acquisition. Little is known, however, about the importa…
View article: Enzymatic Characterization of P-Limited Tropical Soils: The Case of French Guyana
Enzymatic Characterization of P-Limited Tropical Soils: The Case of French Guyana Open
View article: Regional Soil Profile Data Reveals the Predominant Role of Geomorphology and Geology in Accurately Deriving Digital Soil Texture Maps in a Tropical Area
Regional Soil Profile Data Reveals the Predominant Role of Geomorphology and Geology in Accurately Deriving Digital Soil Texture Maps in a Tropical Area Open
View article: Climate anomalies and neighbourhood crowding interact in shaping tree growth in old-growth and selectively-logged tropical forests
Climate anomalies and neighbourhood crowding interact in shaping tree growth in old-growth and selectively-logged tropical forests Open
<p>Species mean information for the six leaf water-related traits used in the paper titled: Climate anomalies and neighbourhood crowding interact in shaping tree growth in old-growth and selectively-logged tropical forests.</p>
View article: Climate anomalies and neighbourhood crowding interact in shaping tree growth in old-growth and selectively-logged tropical forests
Climate anomalies and neighbourhood crowding interact in shaping tree growth in old-growth and selectively-logged tropical forests Open
Species mean information for the six leaf water-related traits used in the paper titled: Climate anomalies and neighbourhood crowding interact in shaping tree growth in old-growth and selectively-logged tropical forests.
View article: Foliar elementome and functional traits relationships identify tree species niche in <scp>F</scp>rench <scp>G</scp>uiana rainforests
Foliar elementome and functional traits relationships identify tree species niche in <span>F</span>rench <span>G</span>uiana rainforests Open
Biogeochemical niche (BN) hypothesis aims to relate species/genotype elemental composition with its niche based on the fact that different elements are involved differentially in distinct plant functions. We here test the BN hypothesis thr…
View article: Soil variation response is mediated by growth trajectories rather than functional traits in a widespread pioneer Neotropical tree
Soil variation response is mediated by growth trajectories rather than functional traits in a widespread pioneer Neotropical tree Open
1. Trait-environment relationships have been described at the community level across tree species. However, whether interspecific trait-environment relationships are consistent at the intraspecific level is yet unknown. Moreover, we do not…
View article: Thresholds for persistent leaf photochemical damage predict plant drought resilience in a tropical rainforest
Thresholds for persistent leaf photochemical damage predict plant drought resilience in a tropical rainforest Open
Summary Water stress can cause declines in plant function that persist after rehydration. Recent work has defined ‘resilience’ traits characterizing leaf resistance to persistent damage from drought, but whether these traits predict resili…
View article: ETUDE « 4 POUR 1 000 » OUTRE-MER: Stocker du carbone dans les sols agricoles et forestiers ultramarins - Etat des connaissances et leviers d’actions dans les départements et régions d’Outre-mer
ETUDE « 4 POUR 1 000 » OUTRE-MER: Stocker du carbone dans les sols agricoles et forestiers ultramarins - Etat des connaissances et leviers d’actions dans les départements et régions d’Outre-mer Open
Coordonnée par le Cirad en partenariat avec INRAE et l’IRD, l’étude « 4 pour 1000 » Outre-mer dresse un bilaninédit des stocks de carbone du sol des territoires ultramarins. Les auteurs formulent des recommandationsopérationnelles et de re…
View article: : 4 pour 1 000 » Outre-mer : Stocker du carbone dans les sols agricoles et forestiers ultramarins : état des connaissances et synergies avec la Trajectoire 5.0 en Guadeloupe, en Martinique, en Guyane, à La Réunion, à Mayotte, à Saint-Martin et à Saint-Barthélemy
: 4 pour 1 000 » Outre-mer : Stocker du carbone dans les sols agricoles et forestiers ultramarins : état des connaissances et synergies avec la Trajectoire 5.0 en Guadeloupe, en Martinique, en Guyane, à La Réunion, à Mayotte, à Saint-Martin et à Saint-Barthélemy Open
L’objectif de cette synthèse est de fournir un état des lieux des travaux réalisés sur le stockage decarbone organique des sols (COS) en Guadeloupe. Compte tenu des données disponibles, lesthématiques suivantes sont traitées dans ce docume…
View article: Synthèse biophysique sur le stockage de carbone dans les sols en Guyane: 4 pour 1 000 » Outre-mer : Stocker du carbone dans les sols agricoles et forestiers ultramarins : état des connaissances et synergies avec la Trajectoire 5.0 en Guadeloupe, en Martinique, en Guyane, à La Réunion, à Mayotte, à Saint-Martin et à Saint-Barthélemy
Synthèse biophysique sur le stockage de carbone dans les sols en Guyane: 4 pour 1 000 » Outre-mer : Stocker du carbone dans les sols agricoles et forestiers ultramarins : état des connaissances et synergies avec la Trajectoire 5.0 en Guadeloupe, en Martinique, en Guyane, à La Réunion, à Mayotte, à Saint-Martin et à Saint-Barthélemy Open
Le présent rapport fait état des connaissances acquises à ce jour par la communauté scientifique sur les stocks de COS du territoire. Il présente ensuite les principaux déterminants à leur variabilité spatiale et temporelle. Il expose pour…
View article: Quelles gestions des forêts pour demain ?
Quelles gestions des forêts pour demain ? Open
National audience
View article: Nutrient‐based species selection is a prevalent driver of community assembly and functional trait space in tropical forests
Nutrient‐based species selection is a prevalent driver of community assembly and functional trait space in tropical forests Open
Soil nutrient availability and functional traits interact in complex ways during the assembly of tree communities hindering our understanding of the implications that this may have for their phylogenetic and functional diversity. We combin…
View article: Synthèse biophysique sur le stockage de carbone dans les sols en Martinique: 4 pour 1 000 » Outre-mer : Stocker du carbone dans les sols agricoles et forestiers ultramarins : état des connaissances et synergies avec la Trajectoire 5.0 en Guadeloupe, en Martinique, en Guyane, à La Réunion, à Mayotte, à Saint-Martin et à Saint-Barthélemy
Synthèse biophysique sur le stockage de carbone dans les sols en Martinique: 4 pour 1 000 » Outre-mer : Stocker du carbone dans les sols agricoles et forestiers ultramarins : état des connaissances et synergies avec la Trajectoire 5.0 en Guadeloupe, en Martinique, en Guyane, à La Réunion, à Mayotte, à Saint-Martin et à Saint-Barthélemy Open
L’objectif de cette synthèse est de fournir un état des lieux des travaux réalisés sur le stockage decarbone organique des sols (COS) en Martinique. Compte tenu des données disponibles, lesthématiques suivantes sont développées dans ce doc…
View article: Insights into the daily emissions and consumptions of methane and nitrous oxide from tropical tree stem surfaces
Insights into the daily emissions and consumptions of methane and nitrous oxide from tropical tree stem surfaces Open
Methane (CH4) and nitrous oxide (N2O), critical climate-forcing trace gases, are rising sharply in the atmosphere. The estimate for their natural emissions remains uncertain because of mismatches between bottom-up (from flux measurements t…