Helen Jane Gurney-Smith

Helen Jane Gurney-Smith
Fisheries and Oceans Canada | DFO · Ecosystems and Oceans Science

PhD in Marine Ecology

About

31
Publications
11,925
Reads
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462
Citations
Introduction
I'm a Research Scientist whose research interests are the biological effects of climate change on marine organisms and ecosystems, particularly those of socio-economic importance in the Atlantic and Pacific. I use a range of ecological and molecular methods. I'm interested in the development and application of climate indices to adaptive resource management practices. I'm also a lead author for the next IPCC Assessment Report, primarily on a food security chapter.
Additional affiliations
September 2016 - present
Fisheries and Oceans Canada
Position
  • Researcher
Description
  • Working with a group of amazing people to understand the impacts of climate change and anthropogenic stressors on fisheries and aquaculture organisms
July 2007 - September 2016
Vancouver Island University
Position
  • Researcher
Education
September 1999 - June 2004
University of St Andrews
Field of study
  • Marine Ecology
September 1998 - June 1999
University College London
Field of study
  • Bioprocessing
September 1994 - June 1997
Bangor University
Field of study
  • Marine Biology and Biochemistry

Publications

Publications (31)
Article
Full-text available
Radioactive contamination of the Pacific Ocean following the Fukushima nuclear accident has raised public concern about seafood safety, particularly in coastal Indigenous communities. To address this, Health Canada and partners have collected and analyzed a total of 621 samples of commonly consumed salmon, ground fish, and shellfish from the Canadi...
Article
Full-text available
Ocean acidification (OA) affects marine organisms through various physiological and biological processes, yet our understanding of how these translate to large-scale population effects remains limited. Here, we integrated laboratory-based experimental results on the life history and physiological responses to OA of the American lobster, Homarus ame...
Article
Full-text available
Bentho-pelagic life cycles are the dominant reproductive strategy in marine invertebrates, providing great dispersal ability, access to different resources, and the opportunity to settle in suitable habitats upon the trigger of environmental cues at key developmental moments. However, free-dispersing larvae can be highly sensitive to environmental...
Article
Understanding and predicting responses of ectothermic animals to temperature are essential for decision-making and management. The thermal performance curve (TPC), which quantifies the thermal sensitivity of traits such as metabolism, growth and feeding rates in laboratory conditions, is often used to predict responses of wild populations. However,...
Article
Full-text available
The heavy reliance of most global aquaculture on the ambient environment suggests inherent vulnerability to climate change effects. This review explores the potential effects of climate change stressors on aquaculture biology and resources needed to support decision-making for vulnerability assessment, planned adaptation, and strategic research dev...
Article
The heavy reliance of most global aquaculture on the ambient environment suggests inherent vulnerability to climate change effects. This review explores the potential effects of climate change stressors on aquaculture biology and resources needed to support decision-making for vulnerability assessment, planned adaptation, and strategic research dev...
Article
Full-text available
Increases in global population and seafood demand are occurring simultaneously with fisheries decline in an era of rapid climate change. Aquaculture is well positioned to help meet the world's future seafood needs, but heavy reliance of most global aquaculture on the ambient environment and ecosystem services suggests inherent vulnerability to clim...
Article
Full-text available
Ocean acidification (OA) describes the progressive decrease in the pH of seawater and other cascading chemical changes resulting from oceanic uptake of atmospheric carbon. These changes can have important implications for marine ecosystems, creating risk for commercial industries, subsistence communities, cultural practices, and recreation. Charact...
Article
Full-text available
Shellfish aquaculture often uses large amounts of plastic equipment and has been suggested as a potential source of microplastic contamination in the marine environment. To determine the influence of shellfish aquaculture on microplastic concentrations in bivalves and their environment, we compared microplastic particle (MP) concentrations in Manil...
Patent
A method of biomonitoring marine water is provided, as are probes and kits. The method comprises: extracting messenger Ribonucleic Acid (mRNA) from Mytilus species; preparing cDNA from the mRNA; hybridizing a plurality of probes with the cDNA to provide a set of hybridized cDNA, the probes consisting of at least 20 consecutive nucleotides of at lea...
Article
Microplastic particles (MPs) are widely distributed in seawater. Fibrous MPs (microfibres) are often reported as the most commonly encountered shape of particle. To estimate MP concentrations in seawater, samples are often collected using towed nets (generally 300-350-μm mesh) and may underestimate the amount of microfibres present, which may pass...
Article
Full-text available
Marine carbon dioxide (CO2) system data has been collected from December 2014 to June 2018 in the Northern Salish Sea (NSS; British Columbia, Canada) and consisted of continuous measurements at two sites as well as spatially- and seasonally distributed discrete seawater samples. The array of CO2 observing activities included high-resolution CO2 par...
Article
Full-text available
Cultivated bivalves are hugely important not only because of their economic value, but also due to their impacts on natural ecosystems. The Pacific oyster (Crassostrea gigas) is the world's most heavily cultivated shellfish species and has been introduced to all continents except Antarctica for aquaculture. We therefore used a medium density single...
Poster
Full-text available
Significant declines in Pacific salmon have prompted an investigation into the survival of juvenile salmon by the Pacific Salmon Foundation’s Salish Sea Marine Survival Project (SSMSP). Timing and magnitude of salmon production is dependent on prey production, and therefore a timing shift in phytoplankton and zooplankton may influence the early mar...
Article
The common blue mussel (Mytilus edulis) was introduced to British Columbia, Canada, in the 1980′s as an aquaculture alternative to native mussel species. Since then, the mussel industry in Pacific Canada has expanded and includes operations utilizing traditional methods of broodstock selection based on visual qualitative and quantitative traits. Th...
Article
Full-text available
The protozoans Perkinsus marinus, Perkinsus olseni, Bonamia ostreae, Bonamia exitiosa, and Marteilia refringens are responsible for some of the most detrimental diseases in the production of cultivated shellfish worldwide and are classified as notifiable diseases by the World Organization for Animal Health (OIE). This study examined the general hea...
Article
Full-text available
The impacts of oocyte parasites on the reproductive success of molluscs are largely unknown. In this study, we evaluated the presence of gonad parasites in 6 species of marine bivalve molluscs native to southern Brazil. Cultured bivalves included the mangrove oyster Crassostrea gasar (sometimes called C. brasiliana), the brown mussel Perna perna, t...
Article
Full-text available
In this study, broodstock animals of the tropical scallop Nodipecten nodosus were submitted to maturation trials using two dietary sources of astaxanthin: dried microalgae Haematococcus pluvialis (Algamac AST) and live microalgae obtained from in vitro cultures. The influence of astaxanthin on broodstock maturation was assessed by analyzing stages...
Article
The ability of the green sea urchin (Strongylocentrotus droebachiensis) to consume and subsequently reduce the organic content of sablefish (Anoplopoma fimbria) culture waste was assessed and properties influencing the dispersal of fecal pellets egested by the sea urchins were quantified in laboratory trials. Ingestion rate, absorption efficiency,...
Article
The basket cockle (Clinocardium nuttallii) is a candidate species for aquaculture in the northeast Pacific. The aim of the current research was to assess the feasibility of C. nuttallii grow‐out, with an emphasis on growth performance and qualities affecting product marketability. In this article, we investigated the combined effects of culture mod...
Article
We investigated the effects of culture mode (intertidal and off‐bottom suspended culture) and initial stocking density (5%, 10%, 35% and 70% bottom cover) on survival, growth and condition indices of three size cohorts (16, 22 and 32 mm initial shell length) of the basket cockle, Clinocardium nuttallii, during a second year of grow‐out. In addition...
Article
The effects of stocking density, ration, and temperature on seed growth – from early post-settlement to a size suitable for out-planting (i.e. ~4mm shell length) – and the effect of stocking density on metamorphic rates were examined for the basket cockle, Clinocardium nuttallii, to determine optimal hatchery rearing conditions for this species. Th...
Article
Abstract The basket cockle, Clinocardium nuttallii, is a candidate species for aquaculture in British Columbia, Canada. Previous research on broodstock conditioning, embryonic development and larval rearing of C. nuttallii demonstrated the potential for reliable hatchery production of cockle seed. In this paper, we investigated the effects of cultu...
Article
This study determined optimal rearing conditions – stocking density, algal density, and temperature – for hatchery production of the basket cockle, Clinocardium nuttallii, from newly-hatched D-larvae to pediveligers using static rearing systems and discontinuous feeding. The combined effect of initial stocking density (2, 4, and 8larvaeml−1) and al...
Article
The nutritional value of four microalgal species: Chaetocerosmuelleri, Pavlovalutheri, Tahitian strain of Isochrysis sp. (TISO), and Thalassiosirapseudonana in single- and bi-species diets was evaluated for larvae and post-larvae of the basket cockle, Clinocardiumnuttallii. Larval shell growth and metamorphic rate were found to be the greatest with...

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Projects

Projects (2)
Project
Examining the biological effects of pH, temperature and diet on the reproductive capacity of adult female lobsters (Homarus americanus). Metrics include extruded egg numbers, egg quality (metabolomics and lipidomics), egg size, egg development, adult behaviour, and transcriptional genomics of adults