Search Results - "Purdie, Duncan A"

Effect of increasing sea water temperature on the growth and toxin production of the benthic dinoflagellate Prorocentrum lima by Aquino-Cruz, Aldo, Purdie, Duncan A., Morris, Steve

“…In future decades, harmful algae blooms may increase in frequency in aquatic environments as a result of higher global temperatures (warming). This study…”
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Total Water Column Analysis Shows the Importance of a Single Species in Subsurface Chlorophyll Maximum Thin Layers in Stratified Waters by Barnett, Michelle L., Kemp, Alan E. S., Nimmo-Smith, W. Alex M., Purdie, Duncan A.

“…Marine phytoplankton form the base of marine food webs and are the driving force of the marine carbon cycle, so understanding the dynamics of their blooms is…”
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Diatom Biogeography From the Labrador Sea Revealed Through a Trait-Based Approach by Fragoso, Glaucia M., Poulton, Alex J., Yashayaev, Igor M., Head, Erica J. H., Johnsen, Geir, Purdie, Duncan A.

“…Diatoms are a keystone algal group, with diverse cell morphology and a global distribution. The biogeography of morphological, functional and life-history…”
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The impact of rainfall events, catchment characteristics and estuarine processes on the export of dissolved organic matter from two lowland rivers and their shared estuary by Panton, Anouska, Couceiro, Fay, Fones, Gary R., Purdie, Duncan A.

“…Terrestrially-derived dissolved organic carbon (DOC) and nitrogen (DON) transported by rivers have been recognised as contributors to aquatic nutrient burdens,…”
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Elemental C, N, and P Cell Content of Individual Bacteria Collected at the Bermuda Atlantic Time-Series Study (BATS) Site by Gundersen, Kjell, Heldal, Mikal, Norland, Svein, Purdie, Duncan A., Knap, Anthony H.

“…Accurate assessments of the true elemental cellular content of carbon (C), nitrogen (N), and phosphorus (P) in bacteria have been a major difficulty in…”
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Morphology, toxin composition and pigment content of Prorocentrum lima strains isolated from a coastal lagoon in southern UK by Nascimento, Silvia M., Purdie, Duncan A., Morris, Steven

“…Prorocentrum lima was isolated from the coastal Fleet lagoon, Dorset, UK in 2000 and a number of clonal cultures established. These were analyzed for okadaic…”
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Dinophysis spp. abundance and toxicity events in South Cornwall, U.K.: Interannual variability and environmental drivers at three coastal sites by Panton, Anouska, Purdie, Duncan A.

“…•Retrospective study on Dinophysis spp. abundance and related toxicity in shellfish.•Multiple bloom events in Cornwall with closures of shellfish farms from…”
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Similarity in microbial amino acid uptake in surface waters of the North and South Atlantic (sub-)tropical gyres by Hill, Polly G, Mary, Isabelle, Purdie, Duncan A, Zubkov, Mikhail V

“…The Earth’s most extensive biomes – the oceanic subtropical gyres – are considered to be expanding with current surface ocean warming. Although it is well…”
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Epiphytic abundance and toxicity of Prorocentrum lima populations in the Fleet Lagoon, UK by Foden, Jo, Purdie, Duncan A., Morris, Steven, Nascimento, Silvia

“…Planktonic Dinophysis spp. and epiphytic Prorocentrum lima (Ehrenberg) Dodge are known dinoflagellate producers of okadaic acid (OA) and dinophysistoxins…”
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Modelling the Influence of Riverine Inputs on the Circulation and Flushing Times of Small Shallow Estuaries by Huggett, Rebecca D., Purdie, Duncan A., Haigh, Ivan D.

“…Simple flushing time calculations for estuarine systems can be used as proxies for eutrophication susceptibility. However, more complex methods are required to…”
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Iron and Zinc Enrichments in the Northeastern Subarctic Pacific: Ligand Production and Zinc Availability in Response to Phytoplankton Growth by Lohan, Maeve C., Crawford, David W., Purdie, Duncan A., Statham, Peter J.

“…Iron- and zinc-enrichment experiments were carried out at Ocean Station Papa in the subarctic North Pacific. In iron-enriched treatments, phytoplankton…”
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Harmful algal blooms of Heterosigma akashiwo and environmental features regulate Mesodinium cf. rubrum abundance in eutrophic conditions by Lemley, Daniel A., Adams, Janine B., Rishworth, Gavin M., Purdie, Duncan A.

“…•Polyhaline regions with distinct salinity gradients support Mesodinium cf. rubrum.•Diel vertical migration behaviour is key to avoiding displacement of…”
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Modelling macronutrient dynamics in the Hampshire Avon river: A Bayesian approach to estimate seasonal variability and total flux by Pirani, Monica, Panton, Anouska, Purdie, Duncan A., Sahu, Sujit K.

“…The macronutrients nitrate and phosphate are aquatic pollutants that arise naturally, however, in excess concentrations they can be harmful to human health and…”
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Modelling flow and inorganic nitrogen dynamics on the Hampshire Avon: Linking upstream processes to downstream water quality by Jin, Li, Whitehead, Paul G., Heppell, Catherine M., Lansdown, Katrina, Purdie, Duncan A., Trimmer, Mark

“…Managing diffuse pollution in catchments is a major issue for environmental managers planning to meet water quality standards and comply with the EU Water…”
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EFFECT OF ELEVATED TEMPERATURE, DARKNESS, AND HYDROGEN PEROXIDE TREATMENT ON OXIDATIVE STRESS AND CELL DEATH IN THE BLOOM-FORMING TOXIC CYANOBACTERIUM MICROCYSTIS AERUGINOSA by Bouchard, Josée N., Purdie, Duncan A.

“…This study assessed the implication of oxidative stress in the mortality of cells of Microcystis aeruginosa Kütz. Cultures grown at 25°C were exposed to 32°C,…”
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Spring phytoplankton communities of the Labrador Sea (2005–2014): pigment signatures, photophysiology and elemental ratios by Fragoso, Glaucia M, Poulton, Alex J, Yashayaev, Igor M, Head, Erica J. H, Purdie, Duncan A

“…The Labrador Sea is an ideal region to study the biogeographical, physiological, and biogeochemical implications of phytoplankton community composition due to…”
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Biogeographical patterns and environmental controls of phytoplankton communities from contrasting hydrographical zones of the Labrador Sea by Fragoso, Glaucia M., Poulton, Alex J., Yashayaev, Igor M., Head, Erica J.H., Stinchcombe, Mark C., Purdie, Duncan A.

“…•Phytoplankton communities from the Labrador Sea (spring 2011–2014) were analysed.•Analysis revealed biogeography of phytoplankton communities in the Labrador…”
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Differential responses of Prochlorococcus and SAR11-dominated bacterioplankton groups to atmospheric dust inputs in the tropical Northeast Atlantic Ocean by Hill, Polly G, Zubkov, Mikhail V, Purdie, Duncan A

“…The metabolic responses of indigenous dominant bacterioplankton populations to additions of dust were examined in the tropical northeast Atlantic. Subsurface…”
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Growth and survival of Neoceratium hexacanthum and Neoceratium candelabrum under simulated nutrient-depleted conditions by ALDRIDGE, David, PURDIE, Duncan A, ZUBKOV, Mikhailv

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Apparent shifts in the microplankton community in response to zinc and iron enrichments in the Northeastern Subarctic Pacific by Crawford, David W., Purdie, Duncan A., Lohan, Maeve C., Statham, Peter J., Peterson, Tawnya D., Kennedy, Hilary A., Lipsen, Michael S., Putland, Jennifer N., Whitney, Frank A.

“…The offshore Gulf of Alaska—in the northeastern subarctic Pacific—is a high-nitrate, low-chlorophyll (HNLC) oceanic region where concentrations of dissolved…”
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