1. Cyhoeddwyd

   Survival and reproductive costs of repeated acute glucocorticoid elevations in a captive, wild animal

   MacLeod, K. J., Sheriff, M. J., Ensminger, D. C., Owen, D. A. S. & Langkilde, T., 1 Tach 2018, Yn: General and Comparative Endocrinology. 268, t. 1-6

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

2. Cyhoeddwyd

   Compensating for a stressful pregnancy? Glucocorticoid treatment during gravidity reduces metabolic rate in female fence lizards post-parturition

   MacLeod, K. J., Langkilde, T., Heppner, J. J., Howey, C. A. F., Sprayberry, K., Tylan, C. & Sheriff, M. J., 1 Tach 2021, Yn: Hormones and Behavior. 136

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

3. Cyhoeddwyd

   Viviparous mothers impose stronger glucocorticoid-mediated maternal stress effects on their offspring than oviparous mothers

   MacLeod, K. J., While, G. M. & Uller, T., 1 Rhag 2021, Yn: Ecology and Evolution. 11, 23, t. 17238-17259

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

4. Cyhoeddwyd

   Stress in the social context: a behavioural and eco-evolutionary perspective

   MacLeod, K., English, S., Ruuskanen, S. & Taborsky, B., 1 Awst 2023, Yn: Journal of Experimental Biology. 226, 15, jeb245829.

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

5. Cyhoeddwyd

   Do mothers bias offspring sex ratios in carotenoid-rich environments?

   MacLeod, K. J., Brekke, P., Tong, W., Ewen, J. G. & Thorogood, R., 1 Ion 2017, Yn: Behavioral Ecology. 28, 1, t. 131-137

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

6. Cyhoeddwyd

   No evidence for adaptive sex ratio variation in the cooperatively breeding meerkat, Suricata suricatta

   MacLeod, K. J. & Clutton-Brock, T. H., Maw 2013, Yn: Animal Behaviour. 85, 3, t. 645-653

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

7. Cyhoeddwyd

   Mean Lagrangian flow behavior on an open coast rip-channeled beach: A new perspective

   MacMahan, J., Brown, J., Brown, J., Thornton, E., Reniers, A., Stanton, T., Henriquez, M., Gallagher, E., Morrison, J., Austin, M. J., Scott, T. & Senechal, N., 15 Ion 2010, Yn: Marine Geology. 268, 1-4, t. 1-15

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

8. Cyhoeddwyd

   Missing N: is the solution in dissolved N?

   Macdonald, A. J., Jones, D. L., Hatch, D. J. (gol.), Chadwick, D. R., Jarvis, S. C. (gol.) & Roker, J. A. (gol.), 1 Ion 2004, Controlling nitrogen flows and losses. 2004 gol. Wageningen Academic Publishers, t. 600-605

   Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

9. 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

10. Cyhoeddwyd

    Predicting the impacts of climate change on species of macaque (Macaca spp.)

    Mace, B. D. & Winder, I. C., 8 Ebr 2019.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Murlen

11. Cyhoeddwyd

    Future oceanic warming and acidification alter immune response and disease status in a commercial shellfish species, Mytilus edulis L.

    Mackenzie, C., Lynch, S. A., Culloty, S. C. & Malham, S. K., 13 Meh 2014, Yn: PLoS ONE. 9, 6

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

12. Cyhoeddwyd

    Effects of climate change on biomineralization in a commercial shellfish species, Mytilus edulis L.

    Mackenzie, C. L., Ormondroyd, G. A., Curling, S. F., Ball, R. J., Whiteley, N. M. & Malham, S. K., 13 Maw 2013.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

13. Cyhoeddwyd

    Ocean Warming, More than Acidification, Reduces Shell Strength in a Commercial Shellfish Species during Food Limitation

    Mackenzie, C. L., Ormondroyd, G. A., Curling, S. F., Ball, R. J., Whiteley, N. M. & Malham, S. K., 28 Ion 2014, Yn: PLoS ONE. 9, 1, t. e86764

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

14. Cyhoeddwyd

    Future socio-economic and environmental sustainability of the Irish Sea requires a multi-disciplinary approach with industry and research collaboration, and cross-border partnership

    Mackenzie, C. L., Bell, M. C., Birchenough, S. N., Culloty, S. C., Sanderson, W. G., Whiteley, N. M. & Malham, S. K., 1 Rhag 2013, Yn: Ocean and Coastal Management. 85, Part A, t. 1-6

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

15. Cyhoeddwyd

    The Outer Bristol Channel Marine Habitat Study: Summary Document.

    Mackie, A. S., James, J. W., Rees, E. I., Darbyshire, T., Philpott, S., Mortimer, K., Jenkins, G. O. & Morando, A., 1 Ion 2006, 2006 gol. Unknown.

    Allbwn ymchwil: Llyfr/Adroddiad › Adroddiad Comisiwn

16. Cyhoeddwyd

    Biological Sampling, Processing and Data Analysis

    Mackie, A. S., Rees, E. I., Darbyshire, T., James, J. W. (gol.), Rees, E. I., Philpott, S. (gol.), Mortimer, K. (gol.), Jenkins, G. O. (gol.) & Morando, A. (gol.), 1 Ion 2006, The Outer Bristol Channel Marine Habitat Study. BIOMOR 4. 2006 gol. Unknown, t. 34-49

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

17. Cyhoeddwyd

    A geomorphological approach to the management of rivers contaminated by metal mining

    Macklin, M. G., Brewer, P. A., Hudson-Edwards, K., Bird, G., Coulthard, T., Dennis, I. A., Lechler, P., Miller, J. & Turner, J., 2006, Yn: Geomorphology. 79, 3-4, t. 423-447

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

18. Cyhoeddwyd

    Impacts of metal mining on river systems: a global assessment

    Macklin, M. G., Thomas, C., Mudbhatkal, A., Brewer, P. A., Hudson-Edwards, K., Lewin, J., Scussolini, P., D. Eilander, D., Lechner, A., Owen, J., Bird, G., Kemp, D. & Mangalaa, K., 22 Medi 2023, Yn: Science. 381, 6664, t. 1345-1350

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

19. Cyhoeddwyd

    The benefits of combining coupled wave-current models with SAR observations for the interpretation of ocean-surface currents.

    Macklin, T., Wolf, J., Wakelin, S., Gommenginger, C., Ferrier, G., Elliott, A. J. & Neill, S. P., 23 Ion 2006.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

20. Cyhoeddwyd

    The benefits of combining coupled wave-current models with SAR observations for the interpretation of ocean-surface currents.

    Macklin, T., Wolf, J., Wakelin, S., Gommenginger, C., Ferrier, G., Elliott, A. J. & Neill, S. P., 1 Ion 2006.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

21. Cyhoeddwyd

    Modelling of SAR signatures of bathymetric features in the Bristol Channel using a coupled wave-current model

    Macklin, T., Wolf, J., Wakelin, S., Elliott, A. J. & Neill, S. P., 1 Ion 2005, t. 611-618.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

22. Cyhoeddwyd

    The effects of invasive pests and diseases on strategies for forest diversification.

    Macpherson, M., Kleczkowski, A., Healey, J., Quine, C. & Hanley, N., 24 Ebr 2017, Yn: Ecological Modelling. 350, t. 87-99

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

23. Cyhoeddwyd

    Payment for multiple forest benefits alters the effect of tree disease on optimal forest rotation length

    Macpherson, M., Kleczkowski, A., Healey, J. & Hanley, N., Ebr 2017, Yn: Ecological Economics. 134, t. 82-94

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

24. Cyhoeddwyd

    The effects of disease on optimal forest rotation: a generalisable analytical framework

    Macpherson, M., Kleczkowski, A., Healey, J. & Hanley, N., Gorff 2018, Yn: Environmental and Resource Economics. 70, 3, t. 565-588

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

25. 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. 826-839

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

26. Cyhoeddwyd

    The future of Blue Carbon science

    Macreadie, P. I., Anton, A., Raven, J. A., Beaumont, N., Connolly, R. M., Friess, D. A., Kelleway, J. J., Kennedy, H., Kuwae, T., Lavery, P. S., Lovelock, C. E., Smale, D. A., Apostolaki, E. T., Atwood, T. B., Baldock, J., Bianchi, T. S., Chmura, G. L., Eyre, B. D., Fourqurean, J. W., Hall-Spencer, J. M., Huxham, M., Hendriks, I. E., Krause-Jensen, D., Laffoley, D., Luisetti, T., Marbà, N., Masque, P., McGlathery, K. J., Megonigal, J. P., Murdiyarso, D., Russell, B. D., Santos, R., Serrano, O., Silliman, B. R., Watanabe, K. & Duarte, C. M., 5 Medi 2019, Yn: Nature Communications. 10, 1, 3998.

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

27. Cyhoeddwyd

    Operationalizing marketable blue carbon

    Macreadie, P. I., Robertson, A. I., Spinks, B., Adams, M. P., Atchison, J. M., Bell-James, J., Bryan, B., Chu, L., Filbee-Dexter, K., Drake, L., Duarte, C. M., Friess, D. A., Gonzalez, F., Grafton, R. Q., Helmstedt, K. J., Kaebernick, M., Kelleway, J., Kendrick, G. A., Kennedy, H., Lovelock, C. E., Megonigal, J. P., Maher, D. T., Pidgeon, E., Rogers, A. A., Sturgiss, R., Trevathan-Tackett, S. M., Wartman, M., Wilson, K. A. & Rogers, K., 20 Mai 2022, Yn: One Earth. 5, 5, t. 485-492

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

28. Cyhoeddwyd

    What evidence exists on the impact of governance type on the conservation effectiveness of forest protected areas? Knowledge base and evidence gaps.

    Macura, B., Laura, S. & Pullin, A., 12 Rhag 2015, Yn: Environmental Evidence. 4, 24

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

29. Cyhoeddwyd

    All that glitters is not gold: The effect of top-down participation on conservation knowledge, attitudes and institutional trust in a Central Indian tiger reserve

    Macura, B., Secco, L., Pisani, E., Pullin, A. & Reyes-García, V., 1 Awst 2016, Yn: Regional Environmental Change. 16, August, t. 125-140

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

30. Cyhoeddwyd

    Stacking Ensemble Learning in Deep Domain Adaptation for Ophthalmic Image Classification

    Madadi, Y., Seydi, V., Sun, J., Chaum, E. & Yousefi2, S., 27 Medi 2021.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid

31. Cyhoeddwyd

    Multi-locus phylogeny and species delimitation of Australo-Papuan blacksnakes(Pseudechis Wagler, 1830: Elapidae: Serpentes)

    Maddock, S., Childerstone, A., Fry, B. G., Williams, D. J., Barlow, A. & Wüster, W., 1 Chwef 2017, Yn: Molecular Phylogenetics and Evolution. 107, February, t. 48-55

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

32. Cyhoeddwyd

    Beekeepers’ knowledges and participation in pollinator conservation policy

    Maderson, S. & Wynne-Jones, S., 25 Maw 2016, Yn: Journal of Rural Studies. 45, June 2016, t. 88-98

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

33. Cyhoeddwyd

    Worldwide outdoor round robin study of organic photovoltaic devices and modules

    Madsen, M. V., Gevorgyan, S. A., Pacios, R., Ajuria, J., Etxebarria, I., Kettle, J. P., Bristow, N. D., Neophytou, M., Choulis, S. A., Roman, L. S., Yohannes, T., Cester, A., Cheng, P., Zhan, X., Wu, J., Xie, Z., Tu, W. C., He, J. H., Fell, C. J., Anderson, K., Hermenau, M., Bartesagh, D., Koster, L. J., Machui, F., González-Valls, I., Lira-Cantu, M., Khlyabich, P. P., Thompson, B. C., Gupta, R., Shanmugam, K., Kulkarni, G. U., Galagan, Y., Urbina, A., Abad, J., Roesch, R., Hoppe, H., Morvillo, P., Bobeico, E., Panaitescu, E., Menon, L., Luo, Q., Wu, Z., Ma, C., Hambarian, A., Melikyan, V., Hambsch, M., Burn, P. L., Meredith, P., Ratha, T., Dunst, S., Trimmel, G., Bardizza, G., Müllejans, H., Goryachev, A. E., Misra, R. K., Katz, E. A., Takagi, K., Magaino, S., Saito, H., Aoki, D., Sommeling, P. M., Kroon, J. M., Vangerven, T., Manca, J., Kesters, J., Maes, W., Bobkova, O. D., Trukhanov, V. A., Paraschuk, D. Y., Castro, F. A., Blakesley, J., Tuladhar, S. M., Röhr, J. A., Nelson, J., Xia, J., Parlak, E. A., Tumay, T. A., Egelhaaf, H. J., Tanenbaum, D. M., Ferguson, G. M., Carpenter, R., Chen, H., Zimmermann, B., Hirsch, L., Wantz, G., Sun, Z., Singh, P., Bapat, C., Offermans, T., Krebs, F. C. & Bristow, N., 1 Tach 2014, Yn: Solar Energy Materials and Solar Cells. 130, t. 281-290

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

34. Cyhoeddwyd

    Black-necked spitting cobra Naja nigricollis Reinhardt, 1843 repels a large pack of banded mongooses (Mungos mungo).

    Madsen, T. & Wüster, W., 15 Medi 2022, Yn: African Herp News. 80, t. 75-78 4 t.

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

35. Cyhoeddwyd

    Data on how tree planting and management practices influence tree seedling survival in Kenya and Ethiopia

    Magaju, C., Winowiecki, L. A., Bartolini, P., Jeitani, A., Ochenje, I., Frija, A., Ouerghemmi, H., Vågen, T-G., Makui, P., Bonaiuti, E., Hagazi, N., Tofu, A., Sitotaw, A., Crossland, M., Kiura, E., Hadgu, K., Muriuki, J., Carsan, S., Sola, P. & Sinclair, F., 1 Meh 2021, Yn: Data in Brief. 36, 107073.

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

36. Cyhoeddwyd

    Multi-view autostereoscopic system for 3D visualization in anatomy

    Magalhães, D. S. F., Mansoor, S., Weng, Y., Ghizoni, E., Barbosa, T., Silveira, F. D. A., Toledo, R. S. & Li, L. M., 2018, Yn: Research on Biomedical Engineering. 34, 3, t. 279-283

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

37. Cyhoeddwyd

    Comparison between 2DV sediment transport models and measurements of suspended sediment dynamics over full-scale ripples in oscillatory flows

    Magar, V., Van Der Werf, J. J., Eidsvik, K. J., Guizien, K., Malarkey, J., Doucette, J. S., Van Rijn, L. C. (gol.), Soulsby, R. L. (gol.), Hoekstra, P. (gol.) & Davies, A. G., 1 Ion 2005, SANDPIT: Sand Transport and Morphology of Offshore Sand Mining Pits. 2005 gol. Aqua Publications

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

38. Cyhoeddwyd

    Average nutrient uptake by a self-propelled unsteady squirmer.

    Magar, V. & Pedley, T. J., 25 Medi 2005, Yn: Journal of Fluid Mechanics. 539, t. 93-112

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

39. Cyhoeddwyd

    Suspended sediment dynamics over rippled beds in oscillatory flows based on a 2DHV discrete-vortex/particle-tracking model

    Magar, V., Davies, A. G., Van Rijn, L. C. (gol.), Soulsby, R. L. (gol.) & Hoekstra, P. (gol.), 1 Ion 2005, SANDPIT: Sand Transport and Morphology of Offshore Sand Mining Pits. 2005 gol. Aqua Publications, t. 1-9

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

40. Cyhoeddwyd

    Policy change and power dynamics: how actors respond to participatory forest management across multiple scales in Tanzania

    Magessa, K. & Hockley, N., 2024, Power Dynamics in African Forests: The Politics of Global Sustainability. Ongolo, S. & Krott, M. (gol.). London: Routledge, t. 234-249

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod › adolygiad gan gymheiriaid

41. Cyhoeddwyd

    Does Tanzanian participatory forest management policy achieve its governance objectives?

    Magessa, K., Wynne-Jones, S. & Hockley, N., Chwef 2020, Yn: Forest Policy and Economics. 111, February 2020, 102077.

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

42. Cyhoeddwyd

    Effects of dredging on undersized scallops.

    Maguire, J. A., Coleman, A., Jenkins, S. R. & Burnell, G. M., 1 Mai 2002, Yn: Fisheries Research. 56, 2, t. 155-165

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

43. Cyhoeddwyd

    Management recommendations for the sustainable exploitation of mussel seed in the Irish Sea.

    Maguire, J. A., Knights, T., Burnell, G., Crowe, T., O'Beirn, F., McGrath, D., Ferns, M., McDonough, N., McQuaid, N., O'Connor, B., Doyle, R., Newell, C., Seed, R., Smaal, A., O'Carroll, T., Watson, L., Dennis, J. & O'Cinneide, M., 1 Awst 2007, Yn: Marine Environment and Health Series. 31, t. 82

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

44. Cyhoeddwyd

    The effects of repeated dredging and speed of tow on undersized scallops.

    Maguire, J. A., Jenkins, S. R. & Burnell, G. M., 30 Tach 2002, Yn: Fisheries Research. 58, 3, t. 367-377

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

45. Cyhoeddwyd

    Temporal and spatial variability in dredging induced stress in the great scallop Pecten maximus (L.)

    Maguire, J. A., Donoghue, M. O., Jenkins, S. R., Brand, A. R. & Burnell, G. M., 1 Meh 2002, Yn: Journal of Shellfish Research. 21, 1, t. 81-86

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

46. Cyhoeddwyd

    Response of few newly developed salt-tolerant wheat landrace selections under natural environmental conditions

    Mahar, A. R., Memon, J. A., Abro, S. A. & Hollington, P. A., 1 Ion 2003, Yn: Pakistan Journal of Botany. 35, 5, t. 865-869

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

47. Cyhoeddwyd

    Development and selection of well-adapted salt-tolerant Genotypes from within wheat landraces population.

    Mahar, A. R. & Hollington, P. A., 1 Ion 2001, Yn: Scientific Sindh. 8, t. 1-13

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

48. Cyhoeddwyd

    Selection for salt-tolerance and early heading in bread wheat

    Mahar, A. R., Hollington, P. A., Witcombe, J. R. & Virk, D. S., 1 Ion 2003, Yn: Cereal research Communications. 31, 1-2, t. 81-88

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

49. Cyhoeddwyd

    Use of back crossing technique to incorporate early maturity from an early maturing less salt-tolerant to more salt-tolerant wheat lines.

    Mahar, A. R. & Hollington, P. A., 1 Ion 2000, Yn: Scientific Sindh. 7, t. 137-150

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

50. Cyhoeddwyd

    The response of epilithic bacteria to different metals regime in two upland streams: assessed by conventional microbiological methods and PCR-DGGE

    Mahmoud, H. M., Goulder, R. & Carvalho, G. R., 1 Gorff 2005, Yn: Archiv Fur Hydrobiologie. 163, 3, t. 405-427

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