Ysgol Gwyddorau Eigion
- Erthygl › Ymchwil › Adolygwyd gan gymheiriaid
- Cyhoeddwyd
Bayesian network modelling provides spatial and temporal understanding of ecosystem dynamics within shallow shelf seas
Trifonova, N., Scott, B., De Dominicis, M., Waggitt, J. & Wolf, J., 1 Hyd 2021, Yn: Ecological Indicators. 129, 107997, 107997.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Bed erosion during fast ice streaming regulated the retreat dynamics of the Irish Sea Ice Stream.
Van Landeghem, K. & Chiverrell, R., 1 Hyd 2020, Yn: Quaternary Science Reviews. 245, 106526.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Bedform migration in a mixed sand and cohesive clay intertidal environment and implications for bed material transport predictions
Lichtman, I. D., Baas, J. H., Amoudry, L. O., Thorne, P. D., Malarkey, J., Hope, J. A., Peakall, J., Paterson, D. M., Bass, S. J., Cooke, R. D., Manning, A. J., Davies, A. G., Parsons, D. R. & Ye, L., 15 Awst 2018, Yn: Geomorphology. 315, t. 17-32 66 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Behaviour of dissolved organic matter and inorganic nutrients during experimental sea ice formation.
Giannelli, V., Thomas, D. N., Haas, C., Kattner, G., Kennedy, H. & Dieckmann, G. S., 1 Ion 2001, Yn: Annals of Glaciology. 33, 1, t. 317-321Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Behavioural plasticity compensates for adaptive loss of cricket song
Schneider, W., Rutz, C. & Bailey, N., 22 Maw 2024, Yn: Ecology Letters. 27, 3, e14404.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Behavioural responses to simulated avian predation in three-spined sticklebacks: the effect of experimental Schistocephalus infections.
Barber, I., Walker, P. D. & Svensson, P. A., 1 Tach 2004, Yn: Behaviour. 141, 11-2, t. 1425-1440Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Benthic Habitat Quality Change as Measured by Macroinfauna Community in a Tidal Flat on the West Coast of Korea
Choi, K.-H., Lee, S.-M., Lim, S.-M., Walton, M. & Park, G.-S., Meh 2010, Yn: Journal of Oceanography. 66, 3, t. 307-317Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Benthic community response to a scallop dredging closure within a dynamic seabed habitat
Sciberras, M., Hinz, H., Bennell, J. D., Jenkins, S. R., Hawkins, S. J. & Kaiser, M. J., 2013, Yn: Marine Ecology Progress Series. 480, t. 83-98Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Benthic surveys of the historic pearl oyster beds of Qatar reveal a dramatic ecological change
Smyth, D., Al-Maslamani, I., Chatting, M. & Giraldes, B., 15 Rhag 2016, Yn: Marine Pollution Bulletin. 113, t. 147-155Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Best practice for upscaling soil organic carbon stocks in salt marshes
Ladd, C. J. T., Smeaton, C., Skov, M. & Austin, W. E. N., 15 Rhag 2022, Yn: Geoderma. 428, 116188.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Beta diversity of cold-water coral reef communities off western Scotland.
Henry, L. A., Davies, A. J. & Roberts, J. M., 1 Meh 2010, Yn: Coral Reefs. 29, 2, t. 427-436Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Between a rock and a hard place: Environmental and engineering considerations when designing coastal defence structures
Firth, L. B., Thompson, R. C., Bohn, K., Abbiati, M., Airoldi, L., Bouma, T. J., Bozzeda, F., Ceccherelli, V. U., Colangelo, M. A., Evans, A., Ferrario, F., Hanley, M. E., Hinz, H., Hoggart, S. P., Jackson, J. E., Moore, P., Morgan, E. H., Perkol-Finkel, S., Skov, M. W., Strain, E. M., van Belzen, J. & Hawkins, S. J., 1 Mai 2014, Yn: Coastal Engineering. 87, t. 122-135Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Beyond the tip of the seamount: Distinct megabenthic communities found beyond the charismatic summit sponge ground on an arctic seamount (Schulz Bank, Arctic Mid-Ocean Ridge)
Meyer, H. K., Davies, A. J., Roberts, E. M., Xavier, J. R., Ribeiro, P. A., Glenner, H., Birkely, S.-R. & Rapp, H. T., 1 Ion 2023, Yn: Deep Sea Research Part I: Oceanographic Research Papers. 191, 1 t., 103920.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Bidecadal North Atlantic ocean circulation variability controlled by timing of volcanic eruptions
Swingedouw, D., Ortega, P., Mignot, J., Guilyardi, E., Masson-Delmotte, V., Butler, P. G., Khodri, M. & Seferian, R., 30 Maw 2015, Yn: Nature Communications. 6, t. Article Number 6545Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Bio-optical properties of east coast Malaysia waters in relation to remote sensing of chlorophyll
Bowers, D. G., Md-Suffian, I. & Mitchelson-Jacob, E. G., 1 Ion 2012, Yn: International Journal of Remote Sensing. 33, 1, t. 150-169Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 393-404Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Bioavailability of riverine dissolved organic matter in three Baltic Sea estuaries and the effect of catchment land-use
Asmala, E., Kaartokallio, H., Pitkänen, L., Stedmon, C. A. & Thomas, D. N., 5 Tach 2013, Yn: Biogeosciences. 10, t. 6969-6986Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biochemical composition and digestive enzyme activity in larvae and postlarvae ofPenaeus japonicus during herbivorous and carnivorous feeding
Rodriguez, A., Le Vay, L., Mourente, G. & Jones, D. A., 1994, Yn: Marine Biology. 118, 1, t. 45-51 7 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biodiversity in intertidal rock pools: Informing engineering criteria for artificial habitat enhancement in the built environment
Firth, L. B., Schofield, M., White, F. J., Skov, M. W. & Hawkins, S. J., 1 Rhag 2014, Yn: Marine Environmental Research. 102, December, t. 122-130Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biodiversity, environmental drivers, and sustainability of the global deep-sea sponge microbiome
Busch, K., Slaby, B. M., Bach, W., Boetius, A., Clefsen, I., Colaço, A., Creemers, M., Cristobo, J., Federwisch, L., Franke, A., Gavriilidou, A., Hethke, A., Kenchington, E., Mienis, F., Mills, S., Riesgo, A., Ríos, P., Roberts, E. M., Sipkema, D., Pita, L., Schupp, P. J., Xavier, J., Rapp, H. T. & Hentschel, U., 2 Medi 2022, Yn: Nature Communications. 13, 1, 5160 .Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biofouling of salmon cage netting and the efficacy of a typical copper-based antifoulant.
Braithwaite, R. A., Carrascosa, M. C. & McEvoy, L. A., 28 Chwef 2007, Yn: Aquaculture. 262, 2-4, t. 219-226Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biogenic hydrogen and methane production from Chlorella vulgaris and Dunaliella tertiolecta biomass
Lakaniemi, A.-M., Hulatt, C. J., Thomas, D. N., Tuovinen, O. H. & Puhakka, J. A., 26 Medi 2011, Yn: Biotechnology for Biofuels. 4Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biogeochemical composition of natural sea ice brines from the Weddell Sea during early austral summer.
Papadimitriou, S., Thomas, D. N., Kennedy, H., Haas, C., Kuosa, H., Krell, A. & Dieckmann, G. S., 27 Medi 2007, Yn: Limnology and Oceanography. 52, 5, t. 1809-1823Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biogeochemical conditions and ice algal photosynthetic parameters in Weddell Sea ice during early spring.
Meiners, K. M., Papadimitriou, S., Thomas, D. N., Norman, L. & Dieckmann, G. S., 1 Gorff 2009, Yn: Polar Biology. 32, 7, t. 1055-1065Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biogeochemical consequences of a changing Arctic shelf seafloor ecosystem
Marz, C., Freitas, F., Faust, J., Godbold, J., Henley, S., Tessin, A., Arndt, S., Barnes, D., Grange, L., Gray, N., Head, I., Hendry, K., Hilton, R., Reed, A., Rhul, S., Solan, M., Souster, T., Stevenson, M., Tait, K. & Widdicombe, S., Chwef 2022, Yn: AMBIO. 51, 2, t. 370–382 13 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biogeochemical functioning of grazed estuarine tidal marshes along a salinity gradient
Dausse, A., Garbutt, A., Norman, L., Papadimitriou, S., Jones, L. M., Robins, P. E. & Thomas, D. N., 20 Maw 2012, Yn: Estuarine, Coastal and Shelf Science. 100, t. 83-92Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biogeochemical observations during the winter-spring transition in East Antarctic sea ice: evidence of iron and exopolysaccharide controls.
Van der Merwe, P., Lannuzel, D., Nichols, C. A., Meiners, K., Heil, P., Norman, L., Thomas, D. N. & Bowie, A. R., 20 Awst 2009, Yn: Marine Chemistry. 115, 3-4, t. 163-175Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 422-433Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biogeochemistry of Antarctic sea ice.
Thomas, D. N. & Dieckmann, G. S., 1 Ion 2002, Yn: Oceanography and Marine Biology. 40, t. 143-169Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biogeochemistry of platelet ice: its influence on particle flux under fast ice in the Weddell Sea, Antarctica
Thomas, D. N., Kennedy, H. A., Kattner, G., Gerdes, D., Gough, C. & Dieckmann, G. S., 1 Gorff 2001, Yn: Polar Biology. 24, 7, t. 486-496Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biological and climate controls on North Atlantic marine carbon dynamics over the last millennium: Insights from an absolutely-dated shell based record from the North Icelandic Shelf
Richardson, C., Reynolds, D., Scourse, J., Butler, P., Wanamaker, A. & Hall, I. R., Rhag 2017, Yn: Global Biogeochemical Cycles. 31, 12, t. 1718-1735Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biological control of pCO2 at station L4 in the Western English Channel over 3 years.
Litt, E. J., Hardman-Mountford, N. J., Blackford, J. C., Mitchelson-Jacob, E. G., Goodman, A., Moore, G. F., Cummings, D. G. & Butenschon, M., 1 Mai 2010, Yn: Journal of Plankton Research. 32, 5, t. 621-629Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biological data from a Data Deficient shark: the Arabian smoothhound Mustelus mosis (Carcharhinformes: Triakidae)
Moore, A., Henderson, A., Farrell, E. & Weekes, L., 1 Meh 2016, Yn: Journal of Fish Biology. 88, t. 2303-2307Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biological–physical interactions are fundamental to understanding and managing coastal dynamics
Solan, M., Spencer, T., Paterson, D. M., Unsworth, C., Christie, E., Blight, A., Brown, J., Brooks, H., Lichtman, I., Wei, X., Li, X., Thorne, P. D., Leyland, J., Godbold, J., Thompson, C., Williams, M., Plater, A., Moller, I. & Amoudry, L., 12 Gorff 2023, Yn: Royal Society Open Science. 10, 7, 6 t., 230155.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biology of the kingsoldier bream (Argyrops spinifer, Forsskal 1775; Sparidae), from the Arabian Sea, Oman.
Al Mamry, J. M., McCarthy, I. D., Richardson, C. A. & Ben Meriem, S., 1 Hyd 2009, Yn: Journal of Applied Ichthyology. 25, 5, t. 559-564Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biomass, composition and activity of organism assemblages along a salinity gradient in sea ice subjected to river discharge in the Baltic Sea.
Kaartokallio, H., Kuosa, H., Thomas, D. N., Granskog, M. A. & Kivi, K., 1 Ion 2007, Yn: Polar Biology. 30, 2, t. 183-197Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biomediation of submarine sediment gravity flow dynamics
Craig, M., Baas, J. H., Amos, K. J., Strachan, L. J., Manning, A. J., Paterson, D. M., Hope, J. A., Nodder, S. D. & Baker, M. L., Ion 2020, Yn: Geology. 48, 1, t. 72-76Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Biophysical drivers of coral trophic depth zonation
Williams, G., Sandin, S. A., Zgliczynski , B. J., Fox, M., Gove, J. M., Rogers, J. S., Furby, K., Hartmann, A., Caldwell, Z. R., Price, N. & Smith, J. E., Ebr 2018, Yn: Marine Biology. 165, 60.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Blood, lead and spheres: a hindered settling equation for sedimentologists based on metadata analysis
Baas, J. H., Baker, M. L., Buffon, P., Strachan, L. J., Bostock, H. C., Hodgson, D. M., Eggenhuisen, J. T. & Spychala, Y. T., Meh 2022, Yn: The Depositional Record. 8, 2, t. 603-615 13 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Blue carbon as a natural climate solution
Macreadie, P. I., Costa, M. D. P., Atwood, T. T., Friess, D. A., Kelleway, J. J., Kennedy, H., Lovelock, C. E., Serrano, O. & Duarte, C. M., 1 Rhag 2021, Yn: Nature Reviews Earth and Environment. 2, t. 826-839Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Blue carbon benefits from global saltmarsh restoration
Mason, V., Burden, A., Epstein, G., Jupe, L. L., Wood, K. A. & Skov, M., 25 Medi 2023, Yn: Global Change Biology. 29, 23, t. 6517-6545 29 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Blue carbon gains from glacial retreat along Antarctic fjords: what should we expect?
Barnes, D., Sands, C., Cook, A., Howard, F., Román González, A., Muñoz-Ramirez, C., Retallick, K., Scourse, J., Van Landeghem, K. & Zwerschke, N., Mai 2020, Yn: Global Change Biology. 26, 5, t. 2750-2755 6 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Body size-dependent responses of a marine fish assemblage to climate change and fishing over a century-long scale.
Genner, M. J., Sims, D. W., Southward, A. J., Budd, G. C., Masterson, P., McHugh, M., Rendle, P., Southall, E. J., Wearmouth, V. J. & Hawkins, S. J., 1 Chwef 2010, Yn: Global Change Biology. 16, 2, t. 517-527Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Boils and turbulence in a weakly stratified shallow tidal sea.
Thorpe, S. A., Green, J. A., Simpson, J. H., Osborn, T. R. & Nimmo-Smith, W. A., 1 Awst 2008, Yn: Journal of Physical Oceanography. 38, 8, t. 1711-1730Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Bonamia ostreae-induced mortalities in one-year old European flat oysters Ostrea edulis: experimental infection by cohabitation challenge.
Lallias, D., Arzul, I., Heurtebise, S., Ferrand, S., Chollet, B., Robert, M., Beaumont, A. R., Boudry, P., Morga, B. & Lapegue, S., 1 Hyd 2008, Yn: Aquatic Living Resources. 21, 4, t. 423-439Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Boom not bust: Cooperative management as a mechanism for improving the commercial efficiency and environmental outcomes of regional scallop fisheries
Bloor, I., Duncan, P. F., Dignan, S., Emmerson, J., Beard, D., Gell, F. R., McHarg, K. & Kaiser, M. J., 1 Hyd 2021, Yn: Marine Policy. 132, 104649.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Bottom trawl-fishing footprints on the world’s continental shelves
Amoroso, R. O., Pitcher, R., Rijnsdorp, A. D., McConnaughey, R. A., Parma, A. M., Suuronen, P., Eigaard, O. R., Bastardie, F., Hintzen, N. T., Althaus, F., Baird, S. J., Black, J., Buhl-Mortensen, L., Campbell, A., Caterino, R., Collie, J., Cowan, J. H., Durholtz, D., Engstrom, N., Fairweather, T. P., Fock, H. O., Ford, R., Galvez, P. A., Gerritsen, H., Gongora, M. E., Gonzalez, J. A., Hiddink, J., Hughes, K., Intelmann, S. S., Jenkins, C., Jonsson, P., Kainge, P., Kangas, M., Kathena, J. N., Kavadas, S., Leslie, R. W., Lewis, S. G., Lundy, M., Makin, D., Martin, J., Mazor, T., Mirelis, G. G., Newman, S. J., Papadopoulou, N., Posen, P. E., Rochester, W., Russo, T., Sala, A., Semmens, J. M., Silva, C., Tsolos, A., Vanelslander, B., Wakefield, C. B., Wood, B. A., Hilborn, R., Kaiser, M. & Jennings, S., 23 Hyd 2018, Yn: Proceedings of the National Academy of Sciences of the United States. 115, 43, t. E10275-E10282Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Bottom trawling affects fish condition through changes in the ratio of prey availability to density of competitors
Hiddink, J., Moranta, J., Balestrini, S., Sciberras, M., Cendrier, M., Bowyer, R., Kaiser, M., Skold, M., Jonsson, P., Bastardie, F. & Hinz, H., Hyd 2016, Yn: Journal of Applied Ecology. 53, t. 1500-1510Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Boundary layer dynamics in the swash zone under large-scale laboratory conditions
Ruju, A., Conley, D., Masselink, G., Austin, M. J., Puleo, J., Lanckriet, T. & Foster, D., 1 Gorff 2016, Yn: Coastal Engineering. 113, July, t. 47-61Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Branching coral growth and visual health during bleaching and recovery on the central Great Barrier Reef
Anderson‑King, K., Wayman, C., Stephenson, S., Heron, S. F., Lough, J. M., McWilliam, M., Richardson, L., Scott, M. & Cantin, N. E., Hyd 2023, Yn: Coral Reefs. 42, 5, t. 1113-1129 17 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid