Search Results - "Walker, DI"

Photosynthetic and morphological responses of eelgrass ( Zostera marina L.) to a gradient of light conditions by Ochieng, Caroline A., Short, Frederick T., Walker, Di I.

“…Zostera marina L. (eelgrass) from Great Bay Estuary, New Hampshire and Maine (USA), was transplanted in outdoor mesocosms and subjected to four light…”
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Marine introductions in the Shark Bay World Heritage Property, Western Australia: a preliminary assessment by Wyatt, Alex S. J., Hewitt, Chad L., Walker, Di I., Ward, Trevor J.

“…The presence and impacts of non-indigenous species (NIS) in marine areas of high conservation or World Heritage significance have rarely been examined. Case…”
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Managerial Power and Rent Extraction in the Design of Executive Compensation by Bebchuk, Lucian Arye, Fried, Jesse M., Walker, David I.

“…This Article develops an account of the role and significance of managerial power and rent extraction in executive compensation. Under the optimal contracting…”
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The effect of the Australian bushfires and the COVID-19 pandemic on health behaviours in people with multiple sclerosis by Marck, CH, Hunter, A, Heritage, B, Gibbs, L, Kermode, AG, Walker, DI, Learmonth, YC

“…•Recent crises caused changed health behaviours in people with multiple sclerosis.•Reduced physical activity and more unhealthy food and alcohol consumption…”
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High Metabolic Rates in Beach Cast Communities by Coupland, Grey T, Duarte, Carlos M, Walker, Diana I

“…Metabolic hotspots at land-water interfaces are important in supporting biogeochemical processes. Here we confirm the generality of land-aquatic interfaces as…”
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Evolutionary history of the seagrass genus Posidonia by Aires, T, Marbà, N, Cunha, RL, Kendrick, GA, Walker, DI, Serrão, EA, Duarte, CM, Arnaud-Haond, S

“…Seagrasses are the structural species of one of the most important coastal ecosystems worldwide and support high levels of biodiversity and biomass production…”
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Seagrasses of south–west Australia: A conceptual synthesis of the world's most diverse and extensive seagrass meadows by Carruthers, T.J.B., Dennison, W.C., Kendrick, G.A., Waycott, M., Walker, D.I., Cambridge, M.L.

“…South–west Australia contains extensive seagrass meadows along 2,500 km of coastline from the shallow subtidal to 50+ m water depths, and in many of the 51…”
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Quantifying fear potentiated startle using absolute versus proportional increase scoring methods: implications for the neurocircuitry of fear and anxiety by WALKER, David L, DAVIS, Michael

“…The fear-potentiated startle paradigm [increased startle in the presence of a conditioned fear stimulus (CS)] has become increasingly popular as a tool for…”
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Light-enhanced startle: further pharmacological and behavioral characterization by WALKER, David L, DAVIS, Michael

“…Previous findings indicate that the acoustic startle response is elevated when rats are tested in bright light. The phenomenon is disrupted by the 5HT1A…”
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Changes in growth, internode distance and nutrient concentrations of the seagrass Halophila ovalis with exposure to sediment sulphide by Kilminster, KL, Walker, DI, Thompson, PA, Raven, JA

“…Sulphide concentrations in estuarine sediments are likely to increase with increased organic matter fluxes (eutrophication) and increased temperatures (global…”
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Western rock lobsters ( Panulirus cygnus) in Western Australian deep coastal ecosystems (35–60 m) are more carnivorous than those in shallow coastal ecosystems by Waddington, Kris I., Bellchambers, Lynda M., Vanderklift, Mathew A., Walker, Diana I.

“…The western rock lobster ( Panurilus cygnus George.) is a conspicuous consumer in the coastal ecosystems of temperate Western Australia. We used stable isotope…”
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Growth, flowering, and population dynamics of temperate Western Australian seagrasses by Marbà, Núria, Walker, Diana I.

“…Quantification of module size, leaf, rhizome and clonal growth, flowering intensity and shoot population dynamics of 7 temperate Western Australian seagrasses…”
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Carbon and nitrogen stable isotope analysis of an Amphibolis griffithii seagrass bed by Smit, A.J., Brearley, A., Hyndes, G.A., Lavery, P.S., Walker, D.I.

“…Western Australia has a rich diversity of seagrasses, many of which are meadow-forming species with a high diversity of associated epiphytes. Potential food…”
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Seaweeds in Cold Seas: Evolution and Carbon Acquisition by RAVEN, JOHN A., JOHNSTON, ANDREW M., KÜBLER, JANET E., KORB, REBECCA, MCINROY, SHONA G., HANDLEY, LINDA L., SCRIMGEOUR, CHARLIE M., WALKER, DIANA I., BEARDALL, JOHN, CLAYTON, MARGARET N., VANDERKLIFT, MATHEW, FREDRIKSEN, STEIN, DUNTON, KENNETH H.

“…Much evidence suggests that life originated in hydrothermal habitats, and for much of the time since the origin of cyanobacteria (at least 2·5 Ga ago) and of…”
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Radial oxygen loss from intact roots of Halophila ovalis as a function of distance behind the root tip and shoot illumination by Connell, Emma L., Colmer, Timothy D., Walker, Diana I.

“…Radial oxygen loss (ROL) was measured as a function of distance behind the tip for roots of the seagrass Halophila ovalis (R.Br.) Hook f. The effects of shoot…”
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Popliteus tendon rupture: a case report and review of the literature by Guha, A R, Gorgees, K A, Walker, D I

“…Isolated rupture of the popliteus musculotendinous unit is an uncommon injury. A case is here reported of a semiprofessional athlete with a ruptured popliteus…”
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Landscape-scale changes in seagrass distribution over time: a case study from Success Bank, Western Australia by Kendrick, G.A., Eckersley, J., Walker, D.I.

“…Seagrasses in temperate Australia persist on sand habitats in shallow coastal environments by recruitment from seedlings and lateral spread of rhizomes from…”
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Nutrient dynamics in two seagrass species, Posidonia coriacea and Zostera tasmanica super(1) by Walker, DI, Campey, M L, Kendrick, G A

“…Nutrient concentrations and seasonal differences in atomic ratios (N:P) in plant tissue of Posidonia coriacea Kuo and Cambridge and Zostera tasmanica Aschers…”
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Limited nutritional benefit to the seagrass Halophila ovalis, in culture, following sediment organic matter enrichment by Kilminster, K.L., Walker, D.I., Thompson, P.A., Raven, J.A.

“…Essential nutrients for seagrass growth may be derived from benthic decomposition of organic matter. To test this idea, cores of Halophila ovalis…”
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Periphyton indicate effects of wastewater discharge in the near-coastal zone, Perth (Western Australia) by Cosgrove, Jeffrey, Walker, Di, Morrison, Peter, Hillman, Karen

“…Periphyton communities on artificial substrata were successfully utilised as a biological indicator of the potential eutrophic effects of wastewater discharge…”
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