Behzad Mostajir
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View article: Effects of a simulated marine heatwave on the structure and composition of Mediterranean plankton in a mesocosm study
Effects of a simulated marine heatwave on the structure and composition of Mediterranean plankton in a mesocosm study Open
Coastal marine systems are particularly affected by marine heatwaves (MHW), which affect organisms, including plankton communities, that are essential for ecosystem function and productivity. To study their effects on plankton food web com…
View article: Functional stability of coastal plankton communities toward extreme weather-related stressors
Functional stability of coastal plankton communities toward extreme weather-related stressors Open
Extreme weather events, such as marine heatwaves and terrestrial runoff, are intensifying in many areas and pose growing threats. In the present study, we assessed the functional stability of plankton communities in response to these event…
View article: Warming enhances primary production and respiration and changes plankton community structure in an estuarine upwelling system
Warming enhances primary production and respiration and changes plankton community structure in an estuarine upwelling system Open
Marine heatwaves are expected to become more frequent and intense due to global climate change, potentially impacting plankton communities. In the present study, the effects of a simulated short‐term warming event on the structure and func…
View article: Warming and trophic structure tightly control phytoplankton bloom amplitude, composition and succession
Warming and trophic structure tightly control phytoplankton bloom amplitude, composition and succession Open
To better identify the responses of phytoplankton blooms to warming conditions as expected in a climate change context, an in situ mesocosm experiment was carried out in a coastal Mediterranean lagoon (Thau Lagoon, South of France) in Apri…
View article: Zooplankton responses to simulated marine heatwave in the Mediterranean Sea using in situ mesocosms
Zooplankton responses to simulated marine heatwave in the Mediterranean Sea using in situ mesocosms Open
Globally, marine heatwave frequency, intensity, and duration are on the rise, posing a significant threat to plankton communities, the foundational elements of the marine food web. This study investigates the ecological and physiological r…
View article: Simulated terrestrial runoff shifts the metabolic balance of a coastal Mediterranean plankton community towards heterotrophy
Simulated terrestrial runoff shifts the metabolic balance of a coastal Mediterranean plankton community towards heterotrophy Open
Climate change is projected to increase the frequency and intensity of extreme rainfall events in the Mediterranean region, increasing runoffs of terrestrial matter into coastal waters. To evaluate the consequences of terrestrial runoff fo…
View article: French coastal network for carbonate system monitoring: the CocoriCO <sub>2</sub> dataset
French coastal network for carbonate system monitoring: the CocoriCO <sub>2</sub> dataset Open
Since the beginning of the industrial revolution, atmospheric carbon dioxide (CO2) concentrations have risen steadily and have induced a decrease of the averaged surface ocean pH by 0.1 units, corresponding to an increase in ocean acidity …
View article: SOMLIT (Service d'Observation en Milieu Littoral) time series (French Research Infrastructure ILICO): long-term core parameter monitoring of French coasts
SOMLIT (Service d'Observation en Milieu Littoral) time series (French Research Infrastructure ILICO): long-term core parameter monitoring of French coasts Open
SOMLIT (Service d'Observation en Milieur Littoral) : a French Coastal Monitoring Network Coastal zones are where land, ocean and atmosphere interact. They are important for the exchange of matter and energy, and play a key role in (biogeo)…
View article: Supplementary material to "Simulated terrestrial runoff shifts the metabolic balance of a coastal Mediterranean plankton community toward heterotrophy"
Supplementary material to "Simulated terrestrial runoff shifts the metabolic balance of a coastal Mediterranean plankton community toward heterotrophy" Open
View article: Simulated terrestrial runoff shifts the metabolic balance of a coastal Mediterranean plankton community toward heterotrophy
Simulated terrestrial runoff shifts the metabolic balance of a coastal Mediterranean plankton community toward heterotrophy Open
Climate change is projected to increase the frequency and intensity of extreme rainfall events in the Mediterranean region, increasing runoffs of terrestrial matter into coastal waters. To evaluate the consequences of terrestrial runoff on…
View article: French coastal network for carbonate system monitoring: The CocoriCO <sub>2</sub> dataset
French coastal network for carbonate system monitoring: The CocoriCO <sub>2</sub> dataset Open
Since the beginning of the industrial revolution, atmospheric carbon dioxide (CO2) concentrations have risen steadily and have induced a decrease of the averaged surface ocean pH by 0.1 units, corresponding to an increase in ocean acidity …
View article: Effects of an experimental terrestrial runoff on the components of the plankton food web in a Mediterranean coastal lagoon
Effects of an experimental terrestrial runoff on the components of the plankton food web in a Mediterranean coastal lagoon Open
The Mediterranean region is undergoing an increase in the frequency and intensity of extreme rainfall events, resulting in terrestrial runoffs that can affect aquatic environments in coastal regions. The goal of this study was to investiga…
View article: Comment on sp-2023-11
Comment on sp-2023-11 Open
Abstract. An essential prerequisite for the implementation of ocean alkalinity enhancement (OAE) applications is their environmental safety. Only if it can be ensured that ecosystem health and ecosystem services are not at…
View article: Functional and structural responses of plankton communities toward consecutive experimental heatwaves in Mediterranean coastal waters
Functional and structural responses of plankton communities toward consecutive experimental heatwaves in Mediterranean coastal waters Open
View article: Data quality control considerations in multivariate environmental monitoring: experience of the French coastal network SOMLIT
Data quality control considerations in multivariate environmental monitoring: experience of the French coastal network SOMLIT Open
Introduction While crucial to ensuring the production of accurate and high-quality data—and to avoid erroneous conclusions—data quality control (QC) in environmental monitoring datasets is still poorly documented. Methods With a focus on a…
View article: Impact of anoxia and oyster mortality on nutrient and microbial planktonic components: A mesocosm study
Impact of anoxia and oyster mortality on nutrient and microbial planktonic components: A mesocosm study Open
View article: Warming Disadvantages Phytoplankton and Benefits Bacteria During a Spring Bloom in the Mediterranean Thau Lagoon
Warming Disadvantages Phytoplankton and Benefits Bacteria During a Spring Bloom in the Mediterranean Thau Lagoon Open
To assess the response of a natural plankton community to the future scenario of a warming of +3°C predicted for coastal Mediterranean regions, an in situ mesocosm experiment was carried out over 19 days in a Mediterranean coastal lagoon i…
View article: Metabolic responses of plankton to warming during different productive seasons in coastal Mediterranean waters revealed by in situ mesocosm experiments
Metabolic responses of plankton to warming during different productive seasons in coastal Mediterranean waters revealed by in situ mesocosm experiments Open
View article: Microbial Diversity in a North Western Mediterranean Sea Shallow Coastal Lagoon Under Contrasting Water Temperature Conditions
Microbial Diversity in a North Western Mediterranean Sea Shallow Coastal Lagoon Under Contrasting Water Temperature Conditions Open
Temperature and light mainly drive seasonal dynamics of microbial planktonic diversity in coastal ecosystems; however, disentangling their effects is challenging because they are always tightly coupled. Shallow coastal lagoons exhibit inte…
View article: Simultaneous Study of the Growth and Grazing Mortality Rates of Microbial Food Web Components in a Mediterranean Coastal Lagoon
Simultaneous Study of the Growth and Grazing Mortality Rates of Microbial Food Web Components in a Mediterranean Coastal Lagoon Open
The abundances of 17 cytometric groups encompassing four groups of bacteria, three groups of cyanobacteria, six groups of eukaryotic picophytoplankton (<2–3 µm), and four groups of small eukaryotic nanophytoplankton (between 3 and 6 µm) we…
View article: Brownification reduces oxygen gross primary production and community respiration and changes the phytoplankton community composition: An in situ mesocosm experiment with high‐frequency sensor measurements in a North Atlantic bay
Brownification reduces oxygen gross primary production and community respiration and changes the phytoplankton community composition: An in situ mesocosm experiment with high‐frequency sensor measurements in a North Atlantic bay Open
In recent decades, the increase in terrestrial inputs to freshwater and coastal ecosystems, especially occurring at northern latitudes, has led to a process of water color darkening known as “brownification.” To assess how brownification a…
View article: Functional Stability of a Coastal Mediterranean Plankton Community During an Experimental Marine Heatwave
Functional Stability of a Coastal Mediterranean Plankton Community During an Experimental Marine Heatwave Open
As heatwaves are expected to increase in frequency and intensity in the Mediterranean Sea due to global warming, we conducted an in situ mesocosm experiment for 20 days during the late spring and early summer of 2019 in a coastal Mediterra…
View article: Co-occurrence networks reveal the central role of temperature in structuring the plankton community of the Thau Lagoon
Co-occurrence networks reveal the central role of temperature in structuring the plankton community of the Thau Lagoon Open
View article: Environmental drivers of plankton communities in coastal waters: the central role of temperature revealed by co-occurrence networks
Environmental drivers of plankton communities in coastal waters: the central role of temperature revealed by co-occurrence networks Open
To identify the environmental factors that drive plankton community composition and structure in coastal waters, a shallow northwestern Mediterranean lagoon was monitored from winter to spring in two contrasting years. The campaign was bas…
View article: Effects of experimental warming on small phytoplankton, bacteria and viruses in autumn in the Mediterranean coastal Thau Lagoon
Effects of experimental warming on small phytoplankton, bacteria and viruses in autumn in the Mediterranean coastal Thau Lagoon Open
To investigate the responses of a natural microbial plankton community of coastal Mediterranean waters to warming, which are still poorly known, an in situ mesocosm experiment was carried out in Thau Lagoon during autumn 2018. Several micr…
View article: A new method to estimate planktonic oxygen metabolism using high‐frequency sensor measurements in mesocosm experiments and considering daytime and nighttime respirations
A new method to estimate planktonic oxygen metabolism using high‐frequency sensor measurements in mesocosm experiments and considering daytime and nighttime respirations Open
Understanding how aquatic ecosystems respond to perturbations has emerged as a crucial way to predict the future of these ecosystems and to assess their capacity to produce oxygen and store atmospheric carbon. In this context, in situ meso…
View article: In situ characterisation of pathogen dynamics during a Pacific oyster mortality syndrome episode
In situ characterisation of pathogen dynamics during a Pacific oyster mortality syndrome episode Open
View article: Marine Microbial Food Web Networks During Phytoplankton Bloom and Non-bloom Periods: Warming Favors Smaller Organism Interactions and Intensifies Trophic Cascade
Marine Microbial Food Web Networks During Phytoplankton Bloom and Non-bloom Periods: Warming Favors Smaller Organism Interactions and Intensifies Trophic Cascade Open
Microbial food web organisms are at the base of the functioning of pelagic ecosystems and support the whole marine food web. They are very reactive to environmental changes and their interactions are modified in response to different produ…
View article: Impact of oysters as top predators on microbial food web dynamics: a modelling approach with parameter optimisation
Impact of oysters as top predators on microbial food web dynamics: a modelling approach with parameter optimisation Open
Aquaculture is becoming a relevant and productive source of seafood, and production is expected to double in the near future. However, bivalve activities can significantly impact coastal ecosystem functioning. To study the direct and indir…
View article: Water temperature drives phytoplankton blooms in coastal waters
Water temperature drives phytoplankton blooms in coastal waters Open
Phytoplankton blooms are an important, widespread phenomenon in open oceans, coastal waters and freshwaters, supporting food webs and essential ecosystem services. Blooms are even more important in exploited coastal waters for maintaining …