Laynara F. Lugli
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View article: The fungal collaboration gradient drives root trait distribution and ecosystem processes in a tropical montane forest
The fungal collaboration gradient drives root trait distribution and ecosystem processes in a tropical montane forest Open
Plant roots have a large diversity of form and function, which is also related to their degree of mycorrhizal association. This is known as the fungal collaboration gradient, where thinner roots acquire resources by themselves, and thicker…
View article: <scp>TropiRoot</scp> 1.0: Database of tropical root characteristics across environments
<span>TropiRoot</span> 1.0: Database of tropical root characteristics across environments Open
Tropical ecosystems contain the world's largest biodiversity of vascular plants. Yet, our understanding of tropical functional diversity and its contribution to global diversity patterns is constrained by data availability. This discrepanc…
View article: Rainfall seasonality shapes belowground root trait dynamics in an Amazonian tropical rainforest: A test of the stress‐dominance hypothesis
Rainfall seasonality shapes belowground root trait dynamics in an Amazonian tropical rainforest: A test of the stress‐dominance hypothesis Open
The stress‐dominance hypothesis (SDH) predicts that trait variation at the community level increases with the availability of limiting resources, driving spatial and temporal patterns in above‐ground plant functional trait expression. Here…
View article: Data from TropiRoot 1.0 database: tropical root characteristics across environments
Data from TropiRoot 1.0 database: tropical root characteristics across environments Open
TropiRoot 1.0 is a new tropical root database with root characteristics across environment gradients. It has data extracted from 104 new sources, resulting in more than 8000 rows of data (either species or community data). Most of the data…
View article: The fungal collaboration gradient drives root trait distribution and ecosystem processes in a tropical montane forest
The fungal collaboration gradient drives root trait distribution and ecosystem processes in a tropical montane forest Open
Plant roots have a large diversity of form and function, which is also related to their degree of mycorrhizal association. This is known as the fungal collaboration gradient, where thin roots acquire resources by themselves and thicker roo…
View article: Unique belowground ecological strategies of subtropical and tropical plant species expand the root trait space
Unique belowground ecological strategies of subtropical and tropical plant species expand the root trait space Open
Root trait variation may reflect the ecological and evolutionary processes shaping biodiversity, but remains poorly quantified in the (sub)tropics. Here, we aim to further complete our knowledge of belowground functional strategies by asse…
View article: Tropical root responses to global changes: A synthesis
Tropical root responses to global changes: A synthesis Open
Tropical ecosystems face escalating global change. These shifts can disrupt tropical forests' carbon (C) balance and impact root dynamics. Since roots perform essential functions such as resource acquisition and tissue protection, root res…
View article: Mapping Phosphorus Forms in the Pan-Amazon Region: A Machine Learning Approach
Mapping Phosphorus Forms in the Pan-Amazon Region: A Machine Learning Approach Open
Phosphorus (P) is a key driver of terrestrial productivity. However, the lack of spatial data on various P forms in soils hinders the large-scale application of process-based vegetation models. To address this, we used a model selection ap…
View article: Amazonian understory response to elevated CO2
Amazonian understory response to elevated CO2 Open
The response of plants to increasing atmospheric CO2 concentration depends on several factors such as life history of specific species, availability of water, nutrients and light, and the ecological context that the plants are found. Altho…
View article: Plant nutrient resorption efficiency in a Central Amazon rainforest
Plant nutrient resorption efficiency in a Central Amazon rainforest Open
Nutrient resorption efficiency (RE) occurs before leaf abscission, with nutrients being actively transported via phloem through abscission zones from senescent leaves to be used in other parts of the plant. It is an essential nutrient cons…
View article: The impacts of several global change drivers on tropical root traits and dynamics
The impacts of several global change drivers on tropical root traits and dynamics Open
Tropical ecosystems are threatened by escalating anthropogenic activities that worsen global change, potentially disrupting the carbon (C) equilibrium in tropical forests and affecting global climate regulation. While considerable research…
View article: Effects of soil phosphorus on root exudates in central Amazonia
Effects of soil phosphorus on root exudates in central Amazonia Open
Plants in tropical forests are thought to allocate a substantial portion of their photosynthetically fixed carbon (C) to the rhizosphere as exudates. These exudates serve multiple functions, including the mobilization of soil nutrients suc…
View article: Toward a coordinated understanding of hydro‐biogeochemical root functions in tropical forests for application in vegetation models
Toward a coordinated understanding of hydro‐biogeochemical root functions in tropical forests for application in vegetation models Open
Summary Tropical forest root characteristics and resource acquisition strategies are underrepresented in vegetation and global models, hampering the prediction of forest–climate feedbacks for these carbon‐rich ecosystems. Lowland tropical …
View article: In situ short‐term responses of Amazonian understory plants to elevated CO<sub>2</sub>
In situ short‐term responses of Amazonian understory plants to elevated CO<sub>2</sub> Open
The response of plants to increasing atmospheric CO 2 depends on the ecological context where the plants are found. Several experiments with elevated CO 2 (eCO 2 ) have been done worldwide, but the Amazonian forest understory has been negl…
View article: Reference maps of soil phosphorus for the pan-Amazon region
Reference maps of soil phosphorus for the pan-Amazon region Open
Phosphorus (P) is recognized as an important driver of terrestrial primary productivity across biomes. Several recent developments in process-based vegetation models aim at the concomitant representation of the carbon (C), nitrogen (N), an…
View article: Editorial: Insights into forest ecosystem belowground processes and functioning in a changing environment
Editorial: Insights into forest ecosystem belowground processes and functioning in a changing environment Open
EDITORIAL article Front. For. Glob. Change, 23 January 2024Sec. Forest Soils Volume 7 - 2024 | https://doi.org/10.3389/ffgc.2024.1363762
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: Tropical root traits in response to global changes from 1984 to 2023
Tropical root traits in response to global changes from 1984 to 2023 Open
This dataset is a compilation of tropical root traits data in response to different global changes in tropical sites, considering 23.50N and S as latitudinal boundaries. The global changes considered are warming, drought, flooding, cyclone…
View article: Comment on essd-2023-272
Comment on essd-2023-272 Open
Abstract. Phosphorus (P) is recognized as an important driver of terrestrial primary productivity across biomes. Several recent developments in process-based vegetation models aim at the concomitant representation of the c…
View article: Modeling the carbon costs of plant phosphorus acquisition in Amazonian forests
Modeling the carbon costs of plant phosphorus acquisition in Amazonian forests Open
Plants growing in low phosphorus (P) soils, such as in the predominant soils of Amazonia, are believed to devote more energy to acquiring P through absorptive root production, symbionts, and root exudates than plants in more fertile soils.…
View article: Supplementary material to "Reference maps of soil phosphorus for the pan-Amazon region"
Supplementary material to "Reference maps of soil phosphorus for the pan-Amazon region" Open
View article: Reference maps of soil phosphorus for the pan-Amazon region
Reference maps of soil phosphorus for the pan-Amazon region Open
Phosphorus (P) is recognized as an important driver of terrestrial primary productivity across biomes. Several recent developments in process-based vegetation models aim at the concomitant representation of the carbon (C), nitrogen (N) and…
View article: Phosphorus scarcity contributes to nitrogen limitation in lowland tropical rainforests
Phosphorus scarcity contributes to nitrogen limitation in lowland tropical rainforests Open
There is increasing evidence to suggest that soil nutrient availability can limit the carbon sink capacity of forests, a particularly relevant issue considering today's changing climate. This question is especially important in the tropics…
View article: Representation of the phosphorus cycle in the Joint UK Land Environment Simulator (vn5.5_JULES-CNP)
Representation of the phosphorus cycle in the Joint UK Land Environment Simulator (vn5.5_JULES-CNP) Open
Most land surface models (LSMs), i.e. the land components of Earth system models (ESMs), include representation of nitrogen (N) limitation on ecosystem productivity. However, only a few of these models have incorporated phosphorus (P) cycl…
View article: Effects of soil fertilization on aboveground biomass in an old-growth forest in Central Amazon
Effects of soil fertilization on aboveground biomass in an old-growth forest in Central Amazon Open
<p>The Amazon covers an extensive area of tropical rainforest that directly affects global water and Carbon cycles. The biomass stored in this forest is a result of the dynamic balance between rates of mass gain due to productivity, …
View article: Soil microbial biomass and enzyme activity under elevated CO2 in Central Amazon: how global changes can affect tropical forests belowground
Soil microbial biomass and enzyme activity under elevated CO2 in Central Amazon: how global changes can affect tropical forests belowground Open
<p>It is projected that the Amazon Forest could act as a carbon (C) sink in future climate change scenarios by efficiently storing extra biomass produced. Under atmospheric dioxide carbon (CO<sub>2</sub>) elevation, the f…
View article: Ecosystem nutrient budget in a Central Amazon forest: the role of nutrient stocks and flows in biogeochemical cycling
Ecosystem nutrient budget in a Central Amazon forest: the role of nutrient stocks and flows in biogeochemical cycling Open
<p>Soils of tropical forests generally have low fertility, therefore nutrient cycling has great importance in these ecosystem functions, once these soil elements are essential for vegetative tissue and plant metabolic processes. Unde…
View article: The effects of elevated CO2 and phosphorus limitation shaping fine root functioning in Central Amazon forests
The effects of elevated CO2 and phosphorus limitation shaping fine root functioning in Central Amazon forests Open
<p>One of the most important questions that remain open in terrestrial ecology refers to how the Amazon rainforest, the largest tropical forest in the world, will respond to elevated atmospheric CO<sub>2</sub>. Since a la…
View article: Plant phosphorus-use and -acquisition strategies and energy costs in Amazonia
Plant phosphorus-use and -acquisition strategies and energy costs in Amazonia Open
<p>Phosphorus (P) is one of the main limiting nutrients for forest productivity in Amazonia. To meet P needs, plants invest resources in different strategies which may increase their P-use efficiency, e.g., by resorbing P from senesc…
View article: Initial responses of fine root dynamics of understory plants to elevated CO2 in a Central Amazon rainforest
Initial responses of fine root dynamics of understory plants to elevated CO2 in a Central Amazon rainforest Open
<p>In large parts of the Amazon rainforest low soil phosphorus availability may prevent the stimulation of forest growth in response to elevated atmospheric CO<sub>2</sub> (eCO<sub>2</sub>). One strategy of pl…