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View article: Optimising height‐growth predicts trait responses to water availability and other environmental drivers
Optimising height‐growth predicts trait responses to water availability and other environmental drivers Open
Future changes in climate, together with rising atmospheric , may reorganise the functional composition of ecosystems. Without long‐term historical data, predicting how traits will respond to environmental conditions—in particular, water a…
View article: Examining the role of biophysical feedbacks on simulated temperature extremes during the Tinderbox Drought and Black Summer bushfires in southeast Australia
Examining the role of biophysical feedbacks on simulated temperature extremes during the Tinderbox Drought and Black Summer bushfires in southeast Australia Open
The Tinderbox Drought (2017–2019) was one of the most severe droughts recorded in Australia. The extreme summer air temperatures (>40 °C) combined with drought, contributed to the unprecedented Black Summer bushfires in 2019–20 over southe…
View article: Incorporating photosynthetic acclimation improves stomatal optimisation models
Incorporating photosynthetic acclimation improves stomatal optimisation models Open
Stomatal opening in plant leaves is regulated through a balance of carbon and water exchange under different environmental conditions. Accurate estimation of stomatal regulation is crucial for understanding how plants respond to changing e…
View article: Modelling the functionally diverse Caatinga: insights into a unique tropical forest
Modelling the functionally diverse Caatinga: insights into a unique tropical forest Open
From heightened canopy dieback to tree die-off, many forest ecosystems are showing signs of poorly coping with more severe, more frequent, or hotter droughts. Understanding forest resilience to drought has become paramount, and eco‐p…
View article: Leaf morphological traits show greater responses to changes in climate than leaf physiological traits and gas exchange variables
Leaf morphological traits show greater responses to changes in climate than leaf physiological traits and gas exchange variables Open
Adaptation to changing conditions is one of the strategies plants may use to survive in the face of climate change. We aimed to determine whether plants' leaf morphological and physiological traits/gas exchange variables have changed in re…
View article: Explaining plant trait variation in response to soil water availability using an optimal height-growth model
Explaining plant trait variation in response to soil water availability using an optimal height-growth model Open
1 Abstract Climate change is expected to bring about changes in precipitation and temperature regimes that, together with rising atmospheric CO 2 concentrations, will likely reorganise the functional trait composition of ecosystems. Predic…
View article: When do plant hydraulics matter in terrestrial biosphere modelling?
When do plant hydraulics matter in terrestrial biosphere modelling? Open
The ascent of water from the soil to the leaves of vascular plants, described by the study of plant hydraulics, regulates ecosystem responses to environmental forcing and recovery from stress periods. Several approaches to model plant hydr…
View article: Limited range shifting in biocrusts despite climate warming: A 25‐year resurvey
Limited range shifting in biocrusts despite climate warming: A 25‐year resurvey Open
The ranges of many species globally have already shifted to maintain climatic equilibrium in the face of climate change. Biocrusts—soil surface dwelling communities of lichens, bryophytes and microbes—play important functional roles in man…
View article: Incorporating photosynthetic acclimation improves stomatal optimisation models
Incorporating photosynthetic acclimation improves stomatal optimisation models Open
Stomatal opening in plant leaves is regulated through a balance of carbon and water exchange under different environmental conditions. Accurate estimation of stomatal regulation is crucial for understanding how plants respond to changing e…
View article: When do plant hydraulics matter in ecosystem modelling?
When do plant hydraulics matter in ecosystem modelling? Open
The dynamics of the ascent of water from the soil to the leaves of vascular plants determine ecosystem responses to environmental forcing and their recovery from periods of water stress. Recently several models that describe the dyna…
View article: Towards species-level forecasts of drought-induced tree mortality risk
Towards species-level forecasts of drought-induced tree mortality risk Open
Australia is the driest inhabited continent. Annual rainfall is low and is accompanied by marked inter-annual variability, leading to multi-year droughts. n particular, South-East Australia has recently experienced two…
View article: Improving stomatal optimization models for accurate prediction of photosynthesis under drought conditions.
Improving stomatal optimization models for accurate prediction of photosynthesis under drought conditions. Open
Accurate estimation of stomatal regulation is crucial for understanding how plants respond to changing environmental conditions, particularly under climate change. While stomatal optimization models have made significant progress in predic…
View article: Predicting resilience through the lens of competing adjustments to vegetation function
Predicting resilience through the lens of competing adjustments to vegetation function Open
There is a pressing need to better understand ecosystem resilience to droughts and heatwaves. Eco‐evolutionary optimization approaches have been proposed as means to build this understanding in land surface models and improve their predict…
View article: Towards species‐level forecasts of drought‐induced tree mortality risk
Towards species‐level forecasts of drought‐induced tree mortality risk Open
Summary Predicting species‐level responses to drought at the landscape scale is critical to reducing uncertainty in future terrestrial carbon and water cycle projections. We embedded a stomatal optimisation model in the Community Atmospher…
View article: Predicting resilience through the lens of competing adjustments to vegetation function
Predicting resilience through the lens of competing adjustments to vegetation function Open
<p>Predicting ecosystem resilience to droughts and heatwaves requires a predictive capacity that is currently lacking in land-surface models (LSMs). Eco-evolutionary optimisation approaches have the potential to increase predictabili…
View article: Towards species-level forecasts of drought-induced tree mortality risk
Towards species-level forecasts of drought-induced tree mortality risk Open
<p>Predicting species-level responses to drought at the landscape scale is critical to reducing future uncertainty in terrestrial carbon and water cycle projections. We embedded a stomatal optimisation model in the Community Atmosphe…
View article: One Stomatal Model to Rule Them All? Toward Improved Representation of Carbon and Water Exchange in Global Models
One Stomatal Model to Rule Them All? Toward Improved Representation of Carbon and Water Exchange in Global Models Open
Stomatal conductance schemes that optimize with respect to photosynthetic and hydraulic functions have been proposed to address biases in land‐surface model (LSM) simulations during drought. However, systematic evaluations of both optimali…
View article: Southern hemisphere plants show more delays than advances in flowering phenology
Southern hemisphere plants show more delays than advances in flowering phenology Open
Shifts in flowering phenology have been studied in detail in the northern hemisphere and are a key plant response to climate change. However, there are relatively fewer data on species' phenological shifts in the southern hemisphere. We co…
View article: On which timescale(s) do optimal adjustments to vegetation function confer resilience? A case study in South-Eastern Australia
On which timescale(s) do optimal adjustments to vegetation function confer resilience? A case study in South-Eastern Australia Open
<p>Droughts have been implicated as the driver behind recent vegetation die-off across a variety of hydroclimates and are projected to drive greater mortality under future climate change. Predicting ecosystem resilience to future dro…
View article: Examining the vulnerability of Australian eucalypts to future drought-induced tree mortality
Examining the vulnerability of Australian eucalypts to future drought-induced tree mortality Open
<p>Australia is the driest inhabited continent. Annual rainfall is low and is accompanied by marked inter-annual variability, leading to multi-year droughts. Climate change is expected to alter the frequency, magnitude, and intensity…
View article: Integrating the evidence for a terrestrial carbon sink caused by increasing atmospheric CO <sub>2</sub>
Integrating the evidence for a terrestrial carbon sink caused by increasing atmospheric CO <sub>2</sub> Open
Summary Atmospheric carbon dioxide concentration ([CO 2 ]) is increasing, which increases leaf‐scale photosynthesis and intrinsic water‐use efficiency. These direct responses have the potential to increase plant growth, vegetation biomass,…
View article: Identifying areas at risk of drought‐induced tree mortality across South‐Eastern Australia
Identifying areas at risk of drought‐induced tree mortality across South‐Eastern Australia Open
South‐East Australia has recently been subjected to two of the worst droughts in the historical record (Millennium Drought, 2000–2009 and Big Dry, 2017–2019). Unfortunately, a lack of forest monitoring has made it difficult to determine wh…
View article: One stomatal model to rule them all? Evaluating competing hypotheses to regulate the exchange of carbon and water against experimental data
One stomatal model to rule them all? Evaluating competing hypotheses to regulate the exchange of carbon and water against experimental data Open
<p>Nearly 2/3 of the annual global evapotranspiration (ET) over land arises from the vegetation. Yet, coupled-climate models only attribute between 22% – 58% of the annual terrestrial ET to plants. In coupled-climate models…
View article: Plant profit maximization improves predictions of European forest responses to drought
Plant profit maximization improves predictions of European forest responses to drought Open
Summary Knowledge of how water stress impacts the carbon and water cycles is a key uncertainty in terrestrial biosphere models. We tested a new profit maximization model, where photosynthetic uptake of CO 2 is optimally traded against plan…
View article: Using terrestrial ecosystem modelling to improve our understanding of drought survival strategies of a dry neotropical forest in Brazil (Caatinga)
Using terrestrial ecosystem modelling to improve our understanding of drought survival strategies of a dry neotropical forest in Brazil (Caatinga) Open
ISSN:1029-7006
View article: The flood recession period in Western Amazonia and its variability during the 1985–2015 period
The flood recession period in Western Amazonia and its variability during the 1985–2015 period Open
Study region The upper Amazon River, where the water level measured at the Tamshiyacu station (Peru) shows seasonal variability of seven meters. Study focus Key parameters for the flood recession period (beginning, end and duration of the …
View article: Hydrologie et production agricole dans le nord-ouest de l’Amazonie
Hydrologie et production agricole dans le nord-ouest de l’Amazonie Open
En « Amazonie des rivières », la période de basses eaux permet la mise en culture de vastes zones exondées et fertiles sur les berges des rivières et dans les plaines d'inondation. La variabilité des extrêmes hydrologiques et celle de la s…
View article: Variabilité du climat, de l'hydrologie et agriculture dans le nord-ouest de l'Amazonie
Variabilité du climat, de l'hydrologie et agriculture dans le nord-ouest de l'Amazonie Open
Dans la region nord-ouest du bassin amazonien, on observe des variabilites saisonniere et
interannuelle tres importantes des hauteurs d’eau des rivieres. Un marnage d’en moyenne 9
metres autorise des cultures de decrue sur les berges et …
View article: Hydrological extremes and food security in western Amazon
Hydrological extremes and food security in western Amazon Open
The water level of the Amazon and of its tributaries varies significantly from one season to another. For instance, at Iquitos station (Peru), the water level varies from 18 meters in May-June to 8 meters in September-October. That is why,…