Pierre‐Luc Grondin
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View article: First release of the Pelagic Size Structure database: global datasets of marine size spectra obtained from plankton imaging devices
First release of the Pelagic Size Structure database: global datasets of marine size spectra obtained from plankton imaging devices Open
In marine ecosystems, most physiological, ecological, or physical processes are size dependent. These include metabolic rates, the uptake of carbon and other nutrients, swimming and sinking velocities, and trophic interactions, which event…
View article: Reply on RC2
Reply on RC2 Open
Abstract. In marine ecosystems, most physiological, ecological, or physical processes are size-dependent. These include metabolic rates, uptake of carbon and other nutrients, swimming and sinking velocities, and trophic in…
View article: Comment on essd-2023-479
Comment on essd-2023-479 Open
Abstract. In marine ecosystems, most physiological, ecological, or physical processes are size-dependent. These include metabolic rates, uptake of carbon and other nutrients, swimming and sinking velocities, and trophic in…
View article: Millennial-scale variations in Arctic sea ice are recorded in sedimentary ancient DNA of the microalga Polarella glacialis
Millennial-scale variations in Arctic sea ice are recorded in sedimentary ancient DNA of the microalga Polarella glacialis Open
View article: First release of the Pelagic Size Structure database: Global datasets of marine size spectra obtained from plankton imaging devices
First release of the Pelagic Size Structure database: Global datasets of marine size spectra obtained from plankton imaging devices Open
In marine ecosystems, most physiological, ecological, or physical processes are size-dependent. These include metabolic rates, uptake of carbon and other nutrients, swimming and sinking velocities, and trophic interactions, which eventuall…
View article: Sedimentary ancient DNA from the sympagic dinoflagellate Polarella glacialis as a sea-ice proxy
Sedimentary ancient DNA from the sympagic dinoflagellate Polarella glacialis as a sea-ice proxy Open
Sea ice is a critical component of the Earth’s Climate System and a unique habitat. Sea-ice changes prior to the satellite era are poorly documented, and proxy methods are needed to constrain its past variability. Here, we demonstrate the …
View article: The Green Edge cruise: investigating the marginal ice zone processes during late spring and early summer to understand the fate of the Arctic phytoplankton bloom
The Green Edge cruise: investigating the marginal ice zone processes during late spring and early summer to understand the fate of the Arctic phytoplankton bloom Open
The Green Edge project was designed to investigate the onset, life, and fate of a phytoplankton spring bloom (PSB) in the Arctic Ocean. The lengthening of the ice-free period and the warming of seawater, amongst other factors, have induced…
View article: Photoacclimation of the polar diatom Chaetoceros neogracilis at low temperature
Photoacclimation of the polar diatom Chaetoceros neogracilis at low temperature Open
Polar microalgae face two major challenges: 1- growing at temperatures (-1.7 to 5°C) that limit enzyme kinetics; and 2- surviving and exploiting a wide range of irradiance. The objective of this study is to understand the adaptation of an …
View article: The Green Edge cruise: Understanding the onset, life and fate of the Arctic phytoplankton spring bloom
The Green Edge cruise: Understanding the onset, life and fate of the Arctic phytoplankton spring bloom Open
The Green Edge project was designed to investigate the onset, life and fate of a phytoplankton spring bloom (PSB) in the Arctic Ocean. The lengthening of the ice-free period and the warming of seawater, amongst other factors, have induced …
View article: Green Edge ice camp campaigns: understanding the processes controlling the under-ice Arctic phytoplankton spring bloom
Green Edge ice camp campaigns: understanding the processes controlling the under-ice Arctic phytoplankton spring bloom Open
The Green Edge initiative was developed to investigate the processes controlling the primary productivity and fate of organic matter produced during the Arctic phytoplankton spring bloom (PSB) and to determine its role in the ecosystem. Tw…
View article: Contrasting pelagic ecosystem functioning in eastern and western Baffin Bay revealed by trophic network modeling
Contrasting pelagic ecosystem functioning in eastern and western Baffin Bay revealed by trophic network modeling Open
Baffin Bay, located at the Arctic Ocean’s ‘doorstep’, is a heterogeneous environment where a warm and salty eastern current flows northwards in the opposite direction of a cold and relatively fresh Arctic current flowing along the west coa…
View article: Environmental drivers of under-ice phytoplankton bloom dynamics in the Arctic Ocean
Environmental drivers of under-ice phytoplankton bloom dynamics in the Arctic Ocean Open
The decline of sea-ice thickness, area, and volume due to the transition from multi-year to first-year sea ice has improved the under-ice light environment for pelagic Arctic ecosystems. One unexpected and direct consequence of this transi…
View article: Response of the sea‐ice diatom<i>Fragilariopsis cylindrus</i>to simulated polar night darkness and return to light
Response of the sea‐ice diatom<i>Fragilariopsis cylindrus</i>to simulated polar night darkness and return to light Open
Arctic photoautotrophic communities must survive through polar night darkness until light returns in spring. We tracked changes in the cellular resource allocations and functional capacities of a polar sea‐ice diatom, Fragilariopsis cylind…
View article: Green Edge ice camp campaigns: understanding the processes controlling the under-ice Arctic phytoplankton spring bloom
Green Edge ice camp campaigns: understanding the processes controlling the under-ice Arctic phytoplankton spring bloom Open
The Green Edge initiative was developed to investigate the processes controlling the primary productivity and the fate of organic matter produced during the Arctic phytoplankton spring bloom (PSB) and to determine its role in the ecosystem…
View article: Temporal evolution of IP25 and other highly branched isoprenoid lipids in sea ice and the underlying water column during an Arctic melting season
Temporal evolution of IP25 and other highly branched isoprenoid lipids in sea ice and the underlying water column during an Arctic melting season Open
In recent years, certain mono- and di-unsaturated highly branched isoprenoid (HBI) alkene biomarkers (i.e., IP25 and HBI IIa) have emerged as useful proxies for sea ice in the Arctic and Antarctic, respectively. Despite the relatively larg…
View article: Under‐Ice Phytoplankton Blooms Inhibited by Spring Convective Mixing in Refreezing Leads
Under‐Ice Phytoplankton Blooms Inhibited by Spring Convective Mixing in Refreezing Leads Open
Spring phytoplankton growth in polar marine ecosystems is limited by light availability beneath ice‐covered waters, particularly early in the season prior to snowmelt and melt pond formation. Leads of open water increase light transmission…
View article: Underway surface water data during the Tara Oceans expedition in 2009-2012
Underway surface water data during the Tara Oceans expedition in 2009-2012 Open
The Tara Oceans Expedition (2009-2013) sampled the world oceans on board a 36 m long schooner, collecting environmental data and organisms from viruses to planktonic metazoans for later analyses using modern sequencing and state-of-the-art…
View article: Harmonised data from underway navigation, meteorology and surface water measurements during the Tara Oceans expedition in 2009-2013
Harmonised data from underway navigation, meteorology and surface water measurements during the Tara Oceans expedition in 2009-2013 Open
The Tara Oceans Expedition (2009-2013) sampled the world oceans on board a 36 m long schooner, collecting environmental data and organisms from viruses to planktonic metazoans for later analyses using modern sequencing and state-of-the-art…