Search Results - "Michel Starr"
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Multispecies mass mortality of marine fauna linked to a toxic dinoflagellate bloom
Published in PloS one (04-05-2017)“…Following heavy precipitation, we observed an intense algal bloom in the St. Lawrence Estuary (SLE) that coincided with an unusually high mortality of several…”
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Using chlorophyllic organic matter degradation in the deep St. Lawrence Estuary as an indicator of water column remineralization
Published in Frontiers in Marine Science (22-05-2024)“…Coastal hypoxia, driven by remineralization of chlorophyllic particulate organic matter (POM) in dark environments, poses a threat to deep estuarine and shelf…”
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Environmental control of summer primary production in the Hudson Bay system: The role of stratification
Published in Journal of marine systems (01-12-2011)“…The influence of environmental factors on size-fractionated phytoplankton production and biomass (chlorophyll a) and community composition was examined in the…”
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Three decades of Canadian marine harmful algal events: Phytoplankton and phycotoxins of concern to human and ecosystem health
Published in Harmful algae (01-02-2021)“…•Harmful algal events occur annually on both the Atlantic and Pacific coasts of Canada.•PST events are the most reported HAEDAT events on both Atlantic and…”
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Calcium carbonate saturation states in the waters of the Canadian Arctic Archipelago and the Labrador Sea
Published in Journal of Geophysical Research: Oceans (01-11-2010)“…Ocean acidification is predicted to occur first in polar oceans. We investigated the saturation state of waters with respect to calcite (Ωcal) and aragonite…”
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Transport inventories and exchanges of organic matter throughout the St. Lawrence Estuary continuum (Canada)
Published in Frontiers in Marine Science (09-01-2023)“…Hypoxia (O 2 < 2 mg/L) driven by eutrophication in estuaries and shelves is a worldwide expanding problem. The role of organic matter (OM) inputs is emerging…”
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Modelling the bottom-up effects of climate change on primary production in the Gulf of St. Lawrence and eastern Scotian Shelf
Published in Frontiers in Marine Science (15-08-2024)“…The Gulf of St. Lawrence (GSL), along with the St. Lawrence Estuary, is the largest estuarine system in North America. It is a biologically productive sea and…”
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biological consequence of reducing Arctic ice cover: arrival of the Pacific diatom Neodenticula seminae in the North Atlantic for the first time in 800 000 years
Published in Global change biology (01-09-2007)“…The Continuous Plankton Recorder survey has monitored plankton in the Northwest Atlantic at monthly intervals since 1962, with an interegnum between 1978 and…”
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Predicting the Effects of Climate Change on the Occurrence of the Toxic Dinoflagellate Alexandrium catenella Along Canada’s East Coast
Published in Frontiers in Marine Science (07-01-2021)“…Alexandrium catenella produces paralytic shellfish toxins that affect marine fisheries and aquaculture as well as ecosystem and human health worldwide. This…”
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Impact of the Toxic Dinoflagellate Alexandrium catenella on the Valve Movement of Mytilus edulis: A Comparison between Two Populations with Contrasting Histories Exposure
Published in Coasts (13-12-2023)“…Shellfish aquaculture farms, due to their coastal position, face the threat of exposure to harmful algal blooms. Such blooms can release, among others,…”
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Role of free-living and particle-attached bacteria in the recycling and export of organic material in the Hudson Bay system
Published in Journal of marine systems (01-12-2011)“…This study investigates, for the first time, the role of free-living and particle-attached bacteria in the sinking export and recycling of organic matter in…”
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Impact of ocean acidification on Arctic phytoplankton blooms and dimethyl sulfide concentration under simulated ice-free and under-ice conditions
Published in Biogeosciences (12-05-2017)“…In an experimental assessment of the potential impact of Arctic Ocean acidification on seasonal phytoplankton blooms and associated dimethyl sulfide (DMS)…”
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Marine mammal strandings and environmental changes: a 15-year study in the St. Lawrence ecosystem
Published in PloS one (27-03-2013)“…Understanding the effects of climatic variability on marine mammals is challenging due to the complexity of ecological interactions. We used general linear…”
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The Gulf of St. Lawrence Biogeochemical Model: A Modelling Tool for Fisheries and Ocean Management
Published in Frontiers in Marine Science (14-10-2021)“…The goal of this paper is to give a detailed description of the coupled physical-biogeochemical model of the Gulf of St. Lawrence that includes dissolved…”
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Use of valvometry as an alert tool to signal the presence of toxic algae Alexandrium catenella by Mytilus edulis
Published in Frontiers in Marine Science (23-09-2022)“…Valvometry is a non-invasive technique used to continuously monitor gaping behaviour of bivalves at high frequency. In previous laboratory studies, valvometry…”
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Characterizing Exposure to and Sharing Knowledge of Drivers of Environmental Change in the St. Lawrence System in Canada
Published in Frontiers in Marine Science (24-06-2020)“…The St. Lawrence is a vast and complex socio-ecological system providing a wealth of services sustaining numerous economic sectors. These ecosystems are…”
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Low calcium carbonate saturation state in an Arctic inland sea having large and varying fluvial inputs: The Hudson Bay system
Published in Journal of geophysical research. Oceans (01-09-2014)“…The Hudson Bay system (HBS) is a shallow inland sea in the Arctic, composed of Hudson Strait, Foxe Basin/Channel, James Bay, and Hudson Bay. Dissolved…”
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Harmful algae and climate change on the Canadian East Coast: Exploring occurrence predictions of Dinophysis acuminata, D. norvegica, and Pseudo-nitzschia seriata
Published in Harmful algae (01-02-2022)“…•24 years of HAB data on the Canadian East Coast were used to fit GAMMs.•GAMMs were run under two downscaled climate models.•D. acuminata and D. norvegica…”
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Hydrological and biological processes modulate carbon, nitrogen and phosphorus flux from the St. Lawrence River to its estuary (Quebec, Canada)
Published in Biogeochemistry (01-09-2017)“…Increased flux of carbon and nutrients from human activities in river basins were linked to acidification and deepwater hypoxia in estuaries and coastal areas…”
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Effects of riverine nutrient inputs on the sinking fluxes of microbial particles in the St. Lawrence Estuary
Published in Estuarine, coastal and shelf science (05-05-2023)“…Discharges of nitrogenous nutrients associated with agriculture and wastewater treatment promote eutrophication in coastal waters around the world. Since the…”
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