Search Results - "Paterson, D.M."

Adaptations of microphytobenthos assemblages to sediment type and tidal position by Jesus, B., Brotas, V., Ribeiro, L., Mendes, C.R., Cartaxana, P., Paterson, D.M.

“…Tagus intertidal microphytobenthos (MPB) assemblages were characterized over a wide range of sediment type and tidal height and the possible effects of these…”
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Effects of seawater pH and calcification rate on test Mg/Ca and Sr/Ca in cultured individuals of the benthic, calcitic foraminifera Elphidium williamsoni by Allison, N., Austin, H., Austin, W., Paterson, D.M.

“…We cultured the benthic, calcitic foraminifera, Elphidium williamsoni, over a range of pH NIST (7.89, 8.15 and 8.30) for 60 days. Secondary ion mass…”
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Implications of dredging induced changes in sediment particle size composition for the structure and function of marine benthic macrofaunal communities by Cooper, K.M., Curtis, M., Wan Hussin, W.M.R., Barrio Froján, C.R.S., Defew, E.C., Nye, V., Paterson, D.M.

“…► We examine benthic community sensitivity to changes in sediment composition. ► Sensitivity increases as the proportion of gravel increases. ► Sensitivity…”
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Interrelationships between Rates of Microbial Production, Exopolymer Production, Microbial Biomass, and Sediment Stability in Biofilms of Intertidal Sediments by M. L. Yallop, Paterson, D. M., P. Wellsbury

“…The upper few millimeters of intertidal sediment supports a varied biomass of microbial consortia and microphytobenthos. Many of these organisms release…”
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Variations in sediment properties, Skeffling mudflat, Humber Estuary, UK by Paterson, D.M, Tolhurst, T.J, Kelly, J.A, Honeywill, C, de Deckere, E.M.G.T, Huet, V, Shayler, S.A, Black, K.S, de Brouwer, J, Davidson, I

“…The generic importance of biogenic mediation of sediment erosion and transport is a matter of debate and a multidisciplinary approach is required to…”
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In situ versus laboratory analysis of sediment stability from intertidal mudflats by Tolhurst, T.J, Riethmüller, R, Paterson, D.M

“…Measurements of intertidal mudflat erosion thresholds from in situ and laboratory erosion devices were contrasted. Alteration of the critical erosion shear…”
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Monitoring migration and measuring biomass in benthic biofilms: the effects of dark/far-red adaptation and vertical migration on fluorescence measurements by Consalvey, M, Jesus, B, Perkins, R.G, Brotas, V, Underwood, G.J.C, Paterson, D.M

“…Pulse modulated fluorescence has increasingly been used as an ecological tool to examine changes in the vertical distribution of microphytobenthic cells within…”
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Carbohydrate secretion by phototrophic communities in tidal sediments by de Winder, B, Staats, N, Stal, L.J, Paterson, D.M

“…Two different benthic phototrophic communities on tidal flats were investigated for their carbohydrate content and distribution. Carbohydrates were analysed as…”
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VECTORS of change in the marine environment: Ecosystem and economic impacts and management implications by Austen, M.C., Crowe, T.P., Elliott, M., Paterson, D.M., Peck, M.A., Piraino, S.

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Effects of light on sediment nutrient flux and water column nutrient stoichiometry in a shallow lake by Spears, Bryan M., Carvalho, Laurence, Perkins, Rupert, Paterson, David M.

“…The effects of light and temperature on nutrient cycling (silica (Si), nitrogen (N) and phosphorus (P)) between sediments and water in a shallow eutrophic lake…”
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The Implications of Niche Construction and Ecosystem Engineering for Conservation Biology by BOOGERT, NEELTJE J, PATERSON, DAVID M, LALAND, KEVIN N

“…Although strategies to conserve biodiversity (e.g., the establishment of reserves and the management of flagship, umbrella, indicator, and keystone species)…”
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Spatial dynamics of microphytobenthos determined by PAM fluorescence by Jesus, B., Brotas, V., Marani, M., Paterson, D.M.

“…The distribution of microphytobenthos on intertidal flats is heterogeneous and described as “patchy” over spatial scales of centimetres to kilometres. The…”
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Spatial and historical variation in sediment phosphorus fractions and mobility in a large shallow lake by Spears, Bryan M., Carvalho, Laurence, Perkins, Rupert, Kirika, Alex, Paterson, David M.

“…Temporal and spatial variation in sediment P composition and mobility were investigated in Loch Leven. Little change was observed in total sediment P (surface…”
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Effect of sediment type on microphytobenthos vertical distribution: Modelling the productive biomass and improving ground truth measurements by Jesus, B., Mendes, C.R., Brotas, V., Paterson, D.M.

“…Intertidal flats are frequently colonised by microphytobenthos (MPB) assemblages that form transient biofilms at the sediment surface which are responsible for…”
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Small-scale temporal and spatial variability in the erosion threshold and properties of cohesive intertidal sediments by Tolhurst, T.J., Defew, E.C., de Brouwer, J.F.C., Wolfstein, K., Stal, L.J., Paterson, D.M.

“…Intertidal mudflats can be highly patchy due to both biotic and abiotic variability. The problems caused by such patchiness for the measurement of the erosion…”
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Calibration of the high-pressure cohesive strength meter (CSM) by Vardy, S., Saunders, J.E., Tolhurst, T.J., Davies, P.A., Paterson, D.M.

“…Coastal erosion is an immense economic and social problem that has been receiving increased attention in recent years. A number of devices have been developed…”
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Diatom migration and sediment armouring: an example from the Tagus Estuary, Portugal by TOLHURST, T. J, JESUS, B, BROTAS, V, PATERSON, D. M

“…Issue Title: Migrations and Dispersal of Marine Organisms This study measured sediment stability, colloidal and total carbohydrate and chlorophyll a in the…”
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Measuring the in situ Erosion Shear Stress of Intertidal Sediments with the Cohesive Strength Meter (CSM) by Tolhurst, T.J., Black, K.S., Shayler, S.A., Mather, S., Black, I., Baker, K., Paterson, D.M.

“…The shear resistance of muddy sediments directly governs the susceptibility of the sediment to erosion by tidal and wave induced currents. Measurements of the…”
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Changes in microphytobenthic chlorophyll a and EPS resulting from sediment compaction due to de-watering: opposing patterns in concentration and content by Perkins, R.G., Honeywill, C., Consalvey, M., Austin, H.A., Tolhurst, T.J., Paterson, D.M.

“…The study of estuarine microphytobenthos often involves the observation of data over diel, tidal and seasonal timescales. Algal biomass is usually measured…”
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The effects of simulated rain on the erosion threshold and biogeochemical properties of intertidal sediments by Tolhurst, T.J., Watts, C.W., Vardy, S., Saunders, J.E., Consalvey, M.C., Paterson, D.M.

“…The effects of simulated rain on the erosion threshold and biogeochemical properties of cores of muddy intertidal sediments were measured. Rain was simulated…”
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