1. 2014
2. Cyhoeddwyd

   Sediment Composition Influences Spatial Variation in the Abundance of Human Pathogen Indicator Bacteria within an Estuarine Environment

   Perkins, T. L., Clements, K., Baas, J. H., Jago, C. F., Jones, D. L., Malham, S. K. & McDonald, J. E., 14 Tach 2014, Yn: PLoS ONE. 9, 11

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

3. Cyhoeddwyd

   Spatial and temporal heterogeneity of bacteria across an intertidal shellfish bed: Implications for regulatory monitoring of faecal indicator organisms

   Malham, S., Clements, K., Quilliam, R. S., Jones, D. L., Wilson, J. & Malham, S. K., 14 Tach 2014, Yn: Science of the Total Environment. 506, t. 1-9

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

4. Cyhoeddwyd

   Biogeochemical tags in fish: predicting spatial variations in strontium and manganese in Salmo trutta scales using stream water geochemistry

   Ramsay, A. L., Hughes, R. N., Chenery, S. R. & McCarthy, I. D., 11 Tach 2014, Yn: Canadian Journal of Fisheries and Aquatic Sciences. 72, 3, t. 422-433

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

5. Cyhoeddwyd

   Status of the marine protected area network across the English channel (La Manche): Cross-country similarities and differences in MPA designation, management and monitoring

   Rodriguez-Rodriguez, D., Rees, S., Mannaerts, G., Sciberras, M., Pirie, C., Black, G., Aulert, C., Sheehan, E. V., Carrier, S. & Attrill, M. J., 5 Tach 2014, Yn: Marine Policy. 51, t. 536-546

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

6. Cyhoeddwyd

   Radiocarbon Dating of Fluvial Organic Matter Reveals Land-Use Impacts in Boreal Peatlands

   Hulatt, C. J., Kaartokallio, H., Oinonen, M., Sonninen, E., Stedmon, C. A. & Thomas, D. N., 4 Tach 2014, Yn: Environmental Science and Technology. 48, 21, t. 12543–12551

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

7. Cyhoeddwyd

   Phenotypic variation in shell form in the intertidal acorn barnacle Chthamalus montagui: distribution, response to predators and life history trade-offs

   Jenkins, S. R., Murua, J., Burrows, M. T., Hughes, R. N., Hawkins, S. J., Thompson, R. C., Jenkins, J. R. & Hawkins, S., 1 Tach 2014, Yn: Marine Biology. 161, 11, t. 2609-2619

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

8. Cyhoeddwyd

   Survival and development of larvae of two decapod crustaceans under limited access to prey across a thermal range

   D'Urban Jackson, T., Torres, G. & Gimenez, L., 1 Tach 2014, Yn: Journal of Plankton Research. 36, 6, t. 1476-1487

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

9. Cyhoeddwyd

   Methodological considerations when using local knowledge to infer spatial patterns of resource exploitation

   Shepperson, J. L., Murray, L. G., Cook, S., Whiteley, H. & Kaiser, M. J., 30 Hyd 2014, Yn: Biological Conservation. 180, t. 214-223

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

10. Cyhoeddwyd

    Storms modify baroclinic energy fluxes in a seasonally stratified shelf sea: Inertial-tidal interaction

    Hopkins, J. E., Stephenson, G. R., Green, J. A., Inall, M. E. & Palmer, M. R., 16 Hyd 2014, Yn: Journal of Geophysical Research. 119, 10

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

11. Cyhoeddwyd

    Future variability of solute transport in a macrotidal estuary

    Robins, P. E., Lewis, M. J., Simpson, J. H., Howlett, E. R. & Malham, S. K., 13 Hyd 2014, Yn: Estuarine, Coastal and Shelf Science. 151, t. 88-99

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

12. Cyhoeddwyd

    Distribution of ampullary pores on three catshark species (Apristurus spp.) suggest a vertical-ambush predatory behaviour

    Moore, D. M. & McCarthy, I. D., 9 Hyd 2014, Yn: Aquatic Biology. 21, t. 261-265

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

13. Cyhoeddwyd

    Realistic wave conditions and their influence on quantifying the tidal stream energy resource

    Lewis, M. J., Neill, S. P. & Hashemi, M. R., 8 Hyd 2014, Yn: Applied Energy. 136, t. 495-508

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

14. Cyhoeddwyd

    First "in situ" determination of gas transport coefficients (D-O2, D-Ar, and D-N2) from bulk gas concentration measurements (O-2, N-2, Ar) in natural sea ice

    Crabeck, O., Delille, B., Rysgaard, S., Thomas, D. N., Gelifus, N. X., Else, B. & Tilson, J. L., 7 Hyd 2014, Yn: Journal of Geophysical Research. 119, 10, t. 6655-6668

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

15. Cyhoeddwyd

    Physical and bacterial controls on inorganic nutrients and dissolved organic carbon during a sea ice growth and decay experiment

    Zhou, J., Delille, B., Kaartokallio, H., Kattner, G., Kuosa, H., Tilson, J. L., Autio, R., Dieckmann, G. S., Evers, K. U., Jorgensen, L., Kennedy, H., Kotovitch, M., Luhtanen, A. M., Stedmon, C. A. & Thomas, D. N., 5 Hyd 2014, Yn: Marine Chemistry. 166, t. 59-69

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

16. Cyhoeddwyd

    Antarctic sea-ice microbial communities show distinct patterns of zonation in response to algal-derived substrates

    Cowie, R. O., Williams, G. J., Maas, E. W., Voyles, K. M. & Ryan, K. G., 2 Hyd 2014, Yn: Aquatic Microbial Ecology. 73, 2, t. 123-134

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

17. Cyhoeddwyd

    Mimicking filtration and transport of rotavirus and adenovirus in sand media using DNA-labeled, protein-coated silica nanoparticles

    Pang, L., Farkas, K., Bennett, G., Varsani, A., Easingwood, R., Tilley, R., Nowostawska, U. & Lin, S., 1 Hyd 2014, Yn: Water Research. 62, t. 167-179

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

18. Cyhoeddwyd

    Qualitative changes of riverine dissolved organic matter at low salinities due to flocculation

    Asmala, E., Bowers, D. G., Autio, R., Kaartokallio, H. & Thomas, D. N., Hyd 2014, Yn: Journal of Geophysical Research: Biogeosciences. 119, 10, t. 1919-1933

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

19. Cyhoeddwyd

    Quantifying recovery rates and resilience of seabed habitats impacted by bottom fishing

    Lambert, G. I., Jennings, S., Kaiser, M. J., Davies, T. W. & Hiddink, J. G., Hyd 2014, Yn: Journal of Applied Ecology. 51, 5, t. 1326-1336

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

20. Cyhoeddwyd

    Insights into ice stream dynamics through modelling their response to tidal forcing

    Rosier, S. H., Gudmundsson, G. H. & Green, J. A., 25 Medi 2014, Yn: Cryosphere. 8, t. 1763-1775

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

21. Cyhoeddwyd

    Evolution the polar oceans: the late Quaternary palaeoceanography of the Northwest Passage

    Pienkowski, A. J., Furze, M. F., England, J., MacLean, B., Bennett, R., Blasco, S. & McNeely, M., 23 Medi 2014, Yn: Geophysical Research Abstracts. 16

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

22. Cyhoeddwyd

    Rapid losses of surface elevation following tree girdling and cutting in tropical mangroves

    Kipkorir, J., Lang'at, S., Kairo, J. G., Mencuccini, M., Bouillon, S., Skov, M. W., Waldron, S. & Huxham, M., 22 Medi 2014, Yn: PLoS ONE. 9, 9

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

23. Cyhoeddwyd

    A suite of early Eocene ( ∼ 55 Ma) climate model boundary conditions

    Herold, N., Buzan, J., Seton, M., Goldner, A., Green, J. A. M., Muller, R. D., Markwick, P. & Huber, M., 16 Medi 2014, Yn: Geoscientific Model Development. 7, t. 2077-2090

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

24. Cyhoeddwyd

    Salt-marsh reconstructions of relative sea-level change in the North Atlantic during the last 2000 years

    Barlow, N. L. M., Long, A. J., Saher, M. H., Gehrels, W. R., Garnett, M. H. & Scaife, R. G., 1 Medi 2014, Yn: Quaternary Science Reviews. 99, t. 1-16

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

25. Cyhoeddwyd

    Capacity, capability and cross-border challenges associated with marine eradication programmes in Europe: The attempted eradication of an invasive non-native ascidian, Didemnum vexillum in Wales, United Kingdom

    Sambrook, K., Holt, R. H. F., Sharp, R., Griffith, K., Roche, R. C., Newstead, R. G., Wyn, G. & Jenkins, S. R., Medi 2014, Yn: Marine Policy. 48, t. 51-58

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

26. Cyhoeddwyd

    Relationships between biodiversity and the stability of marine ecosystems: Comparisons at a European scale using meta-analysis

    Cusson, M., Crowe, T. P., Araújo, R., Arenas, F., Aspden, R., Bulleri, F., Davoult, D., Dyson, K., Fraschetti, S., Herkül, K., Hubas, C., Jenkins, S. R., Kotta, J., Kraufvelin, P., Migné, A., Molis, M., Mulholland, O., Noël, L. M., Paterson, D. M., Saunders, J., Somerfield, P. J., Sousa-Pinto, I., Spilmont, N., Terlizzi, A. & Benedetti-Cecchi, L., 28 Awst 2014, Yn: Journal of Sea Research. 98, t. 5-14

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

27. Cyhoeddwyd

    Vertical migration maintains phytoplankton position in a tidal channel with residual flow

    Macdonald, R. G., Bowers, D. G., McKee, D., Graham, G. W. & Nimmo-Smith, W. A., 27 Awst 2014, Yn: Marine Ecology Progress Series. 509, t. 113-126

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

28. Cyhoeddwyd

    Metagenetic analysis of patterns of distribution and diversity of marine meiobenthic eukaryotes

    Fonseca, V. G., Carvalho, G. R., Nichols, B., Quince, C., Johnson, H. F., Neill, S. P., Lambshead, J. D., Thomas, W. K., Power, D. M. & Creer, S., 25 Awst 2014, Yn: Global Ecology and Biogeography. 23, 11, t. 1293–1302

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

29. Cyhoeddwyd

    A coupled tide-wave model for the NW European shelf seas

    Hashemi, R. M., Neill, S. P. & Davies, A. G., 14 Awst 2014, Yn: Geophysical and Astrophysical Fluid Dynamics.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

30. Cyhoeddwyd

    Evidence on the environmental impacts of farm land abandonment in high altitude/mountain regions: a systematic map

    Haddaway, N. R., Styles, D. & Pullin, A. S., 13 Awst 2014, Yn: Environmental Evidence. 3, 17

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

31. Cyhoeddwyd

    Assessing the temporal variability in extreme storm-tide time series for coastal flood risk assessment

    Quinn, N., Lewis, M., Wadey, M. P. & Haigh, I. D., 11 Awst 2014, Yn: Journal of geophysical research:Oceans. 119, 8, t. 4983-4998

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

32. Cyhoeddwyd

    Impact of tidal-stream arrays in relation to the natural variability of sedimentary processes

    Robins, P. E., Neill, S. P. & Lewis, M. J., 8 Awst 2014, Yn: Renewable Energy. 72, t. 311-321

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

33. Cyhoeddwyd

    Accuracy assessment of global barotropic ocean tide models

    Stammer, D., Ray, R. D., Andersen, O. B., Arbic, B. K., Bosch, W., Carrère, L., Cheng, Y., Chinn, D. S., Dushaw, B. D., Egbert, G. D., Erofeeva, S. Y., Fok, H. S., Green, J. A. M., Griffiths, S., King, M. A., Lapin, V., Lemoine, F. G., Luthcke, S. B., Lyard, F., Morison, J., Müller, M., Padman, L., Richman, J. G., Shriver, J. F., Shum, C. K., Taguchi, E. & Yi, Y., 7 Awst 2014, Yn: Reviews of Geophysics. 52, 3, t. 242-283

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

34. Cyhoeddwyd

    Deep-sea benthic megafaunal habitat suitability modelling: A global-scale maximum entropy model for xenophyophores

    Ashford, O. S., Davies, A. J. & Jones, D. O., 7 Awst 2014, Yn: Deep Sea Research Part I: Oceanographic Research Papers. 94, t. 31-44

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

35. Cyhoeddwyd

    Role of wave forcing, storms and NAO in outer bar dynamics on a high-energy, macro-tidal beach

    Masselink, G., Austin, M. J., Scott, T., Poate, T. & Russell, P., 2 Awst 2014, Yn: Geomorphology. 226, t. 76-93

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

36. Cyhoeddwyd

    Effectiveness of cooking to reduce Norovirus and infectious F-specific RNA bacteriophage concentrations in Mytilus edulis

    Flannery, J., Rajko-Nenow, P., Winterbourn, J. B., Malham, S. K. & Jones, D. L., 1 Awst 2014, Yn: Journal of Applied Microbiology. 117, 2, t. 564-571

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

37. Cyhoeddwyd

    Evaluating and improving the reliability of evidence syntheses in conservation and environmental science: A methodology

    Woodcock, P., Pullin, A. S. & Kaiser, M. J., 1 Awst 2014, Yn: Biological Conservation. 176, t. 54-62

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

38. Cyhoeddwyd

    Inter-annual and inter-seasonal variability of the Orkney wave power resource

    Neill, S. P., Lewis, M. J., Hashemi, M. R., Slater, E., Lawrence, J. & Spall, S. A., 1 Awst 2014, Yn: Applied Energy. 132, t. 339-348

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

39. Cyhoeddwyd

    MODELLING THE EFFECTS OF GLOBAL TEMPERATURE INCREASE ON THE GROWTH OF SALT MARSH PLANTS

    Couto, T., Martins, I., Duarte, B. & Cacador, I., 1 Awst 2014, Yn: Applied Ecology and Environmental Research. 12, 3, t. 753-764

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

40. Cyhoeddwyd

    The importance of developing modeling frameworks to inform conservation decisions: a response to Lonergan

    Matthiopoulos, J., Smout, S., Caillat, M., Cordes, L., Mackey, B. & Thompson, P., Awst 2014, Yn: Oecologia. 175, 4, t. 1069-1071

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

41. Cyhoeddwyd

    Glycymeris bimaculata (Poli, 1795) — A new sclerochronological archive for the Mediterranean?

    Bušelić, I., Peharda, M., Reynolds, D. J., Butler, P. G., González, A. R., Ezgeta-Balić, D., Vilibić, I., Grbec, B., Hollyman, P. R. & Richardson, C. A., 27 Gorff 2014, Yn: Journal of Sea Research. 95, t. 139–148

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

42. Cyhoeddwyd

    Positive and Negative Effects of a Threatened Parrotfish on Reef Ecosystems

    McCauley, D. J., Young, H. S., Guevara, R., Williams, G. J., Power, E. A., Dunbar, R. B., Bird, D. W., Durham, W. H. & Micheli, F., 26 Gorff 2014, Yn: Conservation Biology. 28, 5, t. 1312-1321

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

43. Cyhoeddwyd

    Optimal phasing of the European tidal stream resource using the greedy algorithm with penalty function

    Neill, S. P., Lewis, M. J. & Hashemi, M. R., 22 Gorff 2014, Yn: Energy. 73, t. 997-1006

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

44. Cyhoeddwyd

    Hypocholesterolaemic pharmaceutical simvastatin disrupts reproduction and population growth of the amphipod Gammarus locusta at the ng/L range

    Neuparth, T., Martins, C., de los Santos, C. B., Costa, M. H., Martins, I., Costa, P. M. & Santos, M. M., 19 Gorff 2014, Yn: Aquatic Toxicology. 155, t. 337-347

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

45. Cyhoeddwyd

    Outwelling from arid mangrove systems is sustained by inwelling of seagrass productivity

    Walton, M. E., Al-Maslamani, I., Skov, M. W., Al-Shaikh, I., Al-Ansari, I. S., Kennedy, H. A. & Le Vay, L., 17 Gorff 2014, Yn: Marine Ecology Progress Series. 507, t. 125-137

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

46. Cyhoeddwyd

    The evolution of tides and tidal dissipation over the past 21,000 years

    Wilmes, S. B. & Green, J. A. M., 7 Gorff 2014, Yn: Journal of Geophysical Research: Oceans. 119, 7, t. 4083-4100

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

47. Cyhoeddwyd

    The interaction of human microbial pathogens, particulate material and nutrients in estuarine environments and their impacts on recreational and shellfish waters

    Malham, S. K., Rajko-Nenow, P., Howlett, E., Tuson, K. E., Perkins, T. L., Pallett, D. W., Wang, H., Jago, C. F., Jones, D. L. & McDonald, J. E., 7 Gorff 2014, Yn: Environmental Science: Processes and Impacts. 16, t. 2145-2155

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

48. Cyhoeddwyd

    Prioritization of knowledge needs for sustainable aquaculture: a national and global perspective

    Jones, A. C., Mead, A., Kaiser, M. J., Austen, M. C., Adrian, A. W., Auchterlonie, N. A., Black, K. D., Blow, L. R., Bury, C., Brown, J. H., Burnell, G. M., Connolly, E., Dingwell, A., Derrick, S., Eno, N. C., Gautier, D. J., Green, K. A., Gubbins, M., Hart, P. R., Holmyard, J. M., Immink, A. J., Jarrad, D. L., Katoh, E., Langley, J. C., Lee, D. O., Le Vay, L., Leftwich, C. P., Mitchell, M., Moore, A., Murray, A. G., McLaren, E. M., Norbury, H., Parker, D., Parry, S. O., Purchase, D., Rahman, A., Sanver, F., Siggs, M., Simpson, S. D., Slaski, R. J., Smith, K., Syvret, M. L., Tibbott, C., Thomas, P. C., Turnbull, J., Whiteley, R., Whittles, M., Wilcockson, M. J., Wilson, J., Dicks, L. V. & Sutherland, W. J., 4 Gorff 2014, Yn: Fish and Fisheries. 16, 4, t. 668–683

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

49. Cyhoeddwyd

    Bioavailability and radiocarbon age of fluvial dissolved organic matter (DOM) from a northern peatland-dominated catchment: effect of land-use change

    Hulatt, C. J., Kaartokallio, H., Asmala, E., Autio, R., Stedmon, C. A., Sonninen, E., Oinonen, M. & Thomas, D. N., 1 Gorff 2014, Yn: Aquatic Sciences. 76, 3, t. 393-404

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

50. Cyhoeddwyd

    Processing of humic-rich riverine dissolved organic matter by estuarine bacteria: effects of predegradation and inorganic nutrients

    Asmala, E., Autio, R., Kaartokallio, H., Stedmon, C. A. & Thomas, D. N., 1 Gorff 2014, Yn: Aquatic Sciences. 76, 3, t. 451-463

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

51. Cyhoeddwyd

    Wave ripples in mixtures of cohesive clay and cohesionless sand: Preliminary results

    Baas, J. H., Westlake, A., Eggenhuisen, J., Amoudry, L., Cartigny, M., Coultish, N., McLelland, S., Mouazé, D., Murphy, B., Parsons, D., Rosewell, K., Ruessink, G., Schrijvershof, R., Wu, X. & Ye, L., 1 Gorff 2014.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur