S. Lan Smith
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View article: Pathways to an integrated understanding of marine environments and ecosystems in the Asia-Pacific Region
Pathways to an integrated understanding of marine environments and ecosystems in the Asia-Pacific Region Open
The Asia-Pacific Region (APR) encompasses a vast geographical area rich in marine biodiversity that plays critical roles in global ecological stability and climate regulation, but it also faces daunting challenges in maintaining these role…
Integrated Approaches to Unravel Marine Ecosystem Responses and Adaptations to Environmental Change Open
The dynamics of the marine environment, driven by climate change, are increasingly magnifying the instability and complexity of ecosystems, particularly in coastal regions. These changes in marine ecosystems have a direct impact on human s…
Ecological and environmental factors influencing exclusion patterns of phytoplankton size classes in lake systems Open
There are three netCDF data files comprise of a multidimensional dataset with different attributes. The files store solution for, respectively, the standard allometric relationships ('standard_PZ_365.nc'), the variations to phytoplankton m…
Acclimation by diverse phytoplankton species determines oceanic carbon to nitrogen ratios Open
The carbon to nitrogen (CN) ratio of phytoplankton connects the carbon and nitrogen cycles in the ocean. Any variation in this ratio under climate change will alter the amount of carbon fixed by photosynthesis, and ultimately the amount se…
FABM-NflexPD 2.0: testing an instantaneous acclimation approach for modeling the implications of phytoplankton eco-physiology for the carbon and nutrient cycles Open
The acclimative response of phytoplankton, which adjusts their nutrient and pigment content in response to changes in ambient light, nutrient levels, and temperature, is an important determinant of observed chlorophyll distributions and bi…
Physiological flexibility of phytoplankton impacts modelled chlorophyll and primary production across the North Pacific Ocean Open
Phytoplankton growth, and hence biomass, responds to variations in light and nutrient availability in the near-surface ocean. A wide variety of models have been developed to capture variable chlorophyll : carbon ratios due to photoacclimat…
View article: Modelling approaches for capturing plankton diversity (MODIV), their societal applications and data needs
Modelling approaches for capturing plankton diversity (MODIV), their societal applications and data needs Open
Ecosystem models need to capture biodiversity, because it is a fundamental determinant of food web dynamics and consequently of the cycling of energy and matter in ecosystems. In oceanic food webs, the plankton compartment encompasses by f…
Vertically migrating phytoplankton fuel high oceanic primary production Open
Marine net primary production (NPP) is remarkably high given the typical vertical separation of 50–150 m between the depth zones of light and nutrient sufficiency, respectively. Here we present evidence that many autotrophs bridge this gap…
FABM-NflexPD 2.0: Testing an Instantaneous Acclimation Approach for Modelling the Implications of Phytoplankton Eco-physiology for the Carbon and Nutrient cycles Open
The acclimative response of phytoplankton, which adjusts their nutrient and pigment content in response to changes in ambient light, nutrient levels, and temperature, is an important determinant of observed chlorophyll distributions and bi…
Comment on egusphere-2022-91 Open
Abstract. Phytoplankton growth, and hence biomass responds to changing light and nutrient conditions in the near-surface ocean. Although a wide variety of physiological photoacclimation models have been developed and tested against laborat…
Physiological flexibility of phytoplankton impacts modeled biomass and primary production across the North Pacific Ocean Open
Phytoplankton growth, and hence biomass responds to changing light and nutrient conditions in the near-surface ocean. Although a wide variety of physiological photoacclimation models have been developed and tested against laboratory result…
FABM-NflexPD 1.0: assessing an instantaneous acclimation approach for modeling phytoplankton growth Open
Coupled physical–biogeochemical models can generally reproduce large-scale patterns of primary production and biogeochemistry, but they often underestimate observed variability and gradients. This is partially caused by insufficient repres…
Enhancing Ocean Biogeochemical Models With Phytoplankton Variable Composition Open
Chlorophyll (Chl) is widely taken as a proxy for phytoplankton biomass, despite well-known variations in Chl:C:biomass ratios as an acclimative response to changing environmental conditions. For the sake of simplicity and computational eff…
Comment on gmd-2020-396 Open
Abstract. Coupled physicalâbiogeochemical models can generally reproduce large-scale patterns of primary production and biogeochemistry, but they often underestimate observed variability and gradients. This is partially caused by insuffi…
Photoacclimation by phytoplankton determines the distribution of global subsurface chlorophyll maxima in the ocean Open
Subsurface chlorophyll maxima are widely observed in the ocean, and they often occur at greater depths than maximum phytoplankton biomass. However, a consistent mechanistic explanation for their distribution in the global ocean remains lac…
SPEAD 1.0 – Simulating Plankton Evolution with Adaptive Dynamics in a two-trait continuous fitness landscape applied to the Sargasso Sea Open
Diversity plays a key role in the adaptive capacity of marine ecosystems to environmental changes. However, modelling the adaptive dynamics of phytoplankton traits remains challenging due to the competitive exclusion of sub-optimal phenoty…
FABM-NflexPD 1.0: Assessing an Instantaneous AcclimationApproach for Modelling Phytoplankton Growth Open
Coupled physical-biogeochemical models can generally reproduce large-scale patterns of primary production and biogeochemistry, but they often underestimate observed variability and gradients. This is partially caused by insufficient repres…
Figure data in Masuda et al. (2021) Open
Figure data in netcdf format in "Photoacclimation by phytoplankton determines the distribution of global subsurface chlorophyll maxima in the ocean".
Enhancing ocean biogeochemical model performance and generality with phytoplankton variable composition Open
Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Geophysical Research Letters. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary.Learn mo…
SPEAD 1.0 – A model for Simulating Plankton Evolution withAdaptive Dynamics in a two-trait continuous fitness landscapeapplied to the Sargasso Sea Open
Diversity plays a key role in the adaptive capacities of marine ecosystems to environmental changes. However, modeling phytoplankton trait diversity remains challenging due to the strength of the competitive exclusion of sub-optimal phenot…
View article: Diel vertical migration promotes zooplankton horizontal patchiness
Diel vertical migration promotes zooplankton horizontal patchiness Open
Spatial patchiness of plankton enhances fishery production and carbon export in the ocean. While diel vertical migration (DVM) has been identified as an important factor contributing to vertical patchiness, its effect on horizontal patchin…
Contrasting species functional trait structuring of subarctic versus subtropical copepod communities Open
Classic niche theory assumes that species-level functional traits affect species relative fitness and thus community structuring, but empirical tests of this assumption are scarce. Moreover, recent evidence shows increasing functional over…
Vertical migration by bulk phytoplankton sustains biodiversity and nutrient input to the surface ocean Open
Phytoplankton subsumes the great variety of unicellular photoautotrophs that perform roughly half of Earth’s primary production. They achieve this despite their challenging oceanic habitat, with opposing vertical gradients of nutrients (wh…
Micro-scale patchiness enhances trophic transfer efficiency and potential plankton biodiversity Open
Rather than spatial means of biomass, observed overlap in the intermittent spatial distributions of aquatic predators and prey is known to be more important for determining the flow of nutrients and energy up the food chain. A few previous…