Editorial: Modeling the Plankton–Enhancing the Integration of Biological Knowledge and Mechanistic Understanding

Lindemann, Christian; Aksnes, Dag L.; Flynn, Kevin J.; Menden‐Deuer, Susanne

doi:10.3389/fmars.2017.00358

Cited by 9 publications

(3 citation statements)

References 12 publications

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“…As the quantitative relationship between cell size and physiological rates is key to models of phytoplankton productivity and community structure (e.g. Andersen et al ., 2016 ; Lindemann et al ., 2017 ; O’Brien et al ., 2016 ), determining the relationship for the coccolithophore clade is needed to accurately model their growth and responses to environmental conditions.…”

Section: Introductionmentioning

confidence: 99%

Allometry of carbon and nitrogen content and growth rate in a diverse range of coccolithophores

Villiot

Poulton

Butcher

et al. 2021

Journal of Plankton Research

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As both photoautotrophs and calcifiers, coccolithophores play important roles in ecosystems and biogeochemical cycles. Though some species form blooms in high-latitude waters, low-latitude communities exhibit high diversity and niche diversification. Despite such diversity, our understanding of the clade relies on knowledge of Emiliana huxleyi. To address this, we examine carbon (C) and nitrogen (N) content of strains (n = 9) from the main families of the calcifying Haptophyceae, as well as allometry and cell size frequency across extant species. Coccolithophore cell size is constrained, with ~71% of 159 species smaller than 10 μm in diameter. Growth rates scale with cell biovolume (μ = 1.83 × cell volume−0.19), with an exponent close to metabolic theory. Organic carbon (C) per cell is lower than for other phytoplankton, providing a coccolithophore-specific relationship between cell organic C content and biovolume (pg C cell−1 = 0.30 × cell volume0.70). Organic C to N ratios (~8.3 mol:mol) are similar to other phytoplankton, implying little additional N cost for calcification and efficient retention and recycling of cell N. Our results support observations that coccolithophores are efficient competitors in low-nutrient conditions, able to photosynthesize, calcify and run the routine metabolic machinery necessary without any additional need for N relative to noncalcifying algae.

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Section: Introductionmentioning

confidence: 99%

Allometry of carbon and nitrogen content and growth rate in a diverse range of coccolithophores

Villiot

Poulton

Butcher

et al. 2021

Journal of Plankton Research

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“…There is substantial need to understand the relative importance of biotic interactions for the function and stability of ecosystems (Ives and Carpenter 2007). Given the fundamental role of plankton in aquatic systems, there is a need to better represent plankton population dynamics and variability in current food web models and other ecosystem model approaches (Lindemann et al 2017). A first step in this direction is to characterize interactions within the plankton community while accounting for environmental conditions to identify the relative importance of direct environmental effects, density‐dependent processes and trophic interactions.…”

Section: Discussionmentioning

confidence: 99%

Interactive effects of nutrients and temperature on herbivorous predation in a coastal plankton community

Franzè

Anderson

Kling

et al. 2022

Limnology & Oceanography

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Marine microbial communities in coastal environments are subject to both seasonal fluctuations and anthropogenic alterations of environmental conditions. The separate influences of temperature and resource‐dependency on phytoplankton growth, community, and ecosystem metabolism are relatively well understood. However, winners and losers in the ocean are determined based on the interplay among often rapidly changing biological, chemical and physical drivers. The direct, indirect, and interactive effects of these conditions on planktonic food web structure and function are poorly constrained. Here, we investigated how simultaneous manipulation of temperature and nutrient availability affects trophic transfer from phytoplankton to herbivorous protists, and their resulting implications at the ecosystem level. Temperature directly affected herbivorous protist composition; ciliates dominated (66%) in colder treatment and dinoflagellates (60%) at warmer temperatures. Throughout the experiments, grazing rates were < 0.1 d−1, with higher rates at subzero temperatures. Overall, the nutrient–temperature interplay affected trophic transfer rates antagonistically when nutrients were amended, and synergistically, when nutrients were not added. This interaction resulted in higher percentages of primary production consumed under nutrient unamended compared to nutrient amended conditions. At the ecosystem level, these changes may determine the fate of primary production, with most of the production likely exported out of the pelagic zone in high‐temperature and nutrient conditions, while high‐temperature and low‐nutrient availability strengthened food web coupling and enhanced trophic transfer. These results imply that in warming oceans, management of coastal nutrient loading will be a critical determinant of the degree of primary production removal by microzooplankton and dependent ecosystem production.

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“…Models were run off-line using the daily (24 hr) velocity fields from the hydrodynamic model. Advection of the virtual larvae was simulated using a fourth order Runge-Kutta integration scheme and a random walk was applied using a dissipation rate of 1 × 10 -9 m 2 /s 3 for individual virtual larvae to account for turbulent motion not captured at the resolution of the oceanographic data (Lindemann, Aksnes, Flynn, & Menden-Deuer, 2017). We used Mercator Ocean's Global ocean physical reanalysis GLORYS2V1 (Ferry et al, 2012) at grid size of 1/4 and a temporal scope of daily from January 1, 2000 to December 31, 2010 as input to the model.…”

Section: Dispersal Modelingmentioning

confidence: 99%

Aligning marine spatial conservation priorities with functional connectivity across maritime jurisdictions

Maina

Gamoyo

Adams

et al. 2019

Conservat Sci and Prac

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Globally, maritime boundaries on oceans form the basis of governance and management of natural resources, yet the fish, and other marine resources neither conform nor confine to these artificial boundaries. As goods and services from marine life continue to retrogress under the intense human exploitation and changing global environment, resilience could be supported through establishment of a functionally connected network of marine reserves across maritime jurisdictions. While the establishment of protected areas within the exclusive economic zones (EEZ) is expanding, mechanisms that would allow governments to conserve marine areas beyond national jurisdictions are currently inadequate.Consequently, implementing marine reserves is largely confined within territorial waters, high connectivity among contiguous maritime zones notwithstanding. As the global focus shifts toward achieving sustainable development goals for the oceans, there is a need for region-specific approaches to area-based biodiversity conservation that extends the scope of protection to areas in the high seas beyond the EEZ. Using simulations of functional connectivity and seafloor geomorphology, we present and apply in the Western Indian Ocean (WIO) region a contextual approach to regional marine conservation planning to inform a more effective regional marine conservation across maritime zones. K E Y W O R D Sareas beyond national jurisdiction, fisheries management, functional connectivity, high seas, larval dispersal, marine conservation planning, marine protected areas, ocean governance, regional MPA, seafloor geomorphic habitats, Western Indian Ocean

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Editorial: Modeling the Plankton–Enhancing the Integration of Biological Knowledge and Mechanistic Understanding

Cited by 9 publications

References 12 publications

Allometry of carbon and nitrogen content and growth rate in a diverse range of coccolithophores

Allometry of carbon and nitrogen content and growth rate in a diverse range of coccolithophores

Interactive effects of nutrients and temperature on herbivorous predation in a coastal plankton community

Aligning marine spatial conservation priorities with functional connectivity across maritime jurisdictions

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