Fungal pre-treatment of forestry biomass with a focus on biorefining: A comparison of biomass degradation and enzyme activities by wood rot fungi across three tree species

Baker, P., Charlton, A. & Hale, M., 1 Rhag 2017, Yn: Biomass and Bioenergy. t. 20-28 9 t.

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

Fungal root endophytes of the carnivorous plant Drosera rotundifolia.

Quilliam, R. S. & Jones, D. L., 1 Meh 2010, Yn: Mycorrhiza. 20, 5, t. 341-348

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

Further spectral and chromatographic studies of ambergris

Rowland, S., Sutton, P., Belt, S., Fitzsimmons-Thoss, V. & Scarlett, A., Tach 2018, Yn: Natural Product Research. 32, 21, t. 2603-2609 7 t.

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

Further thoughts on certification and markets.

Price, C., 1 Ion 2009, Yn: Scandinavian Forest Economics. 42, t. 75-85

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

Future agriculture with minimized phosphorus losses to waters: Research needs and direction

Sharpley, A. N., Bergstrom, L., Aronsson, H., Bechmann, M., Bolster, C. H., Borling, K., Djodjic, F., Jarvie, H. P., Schoumans, O. F., Stamm, C., Tonderski, K. S., Ulen, B., Uusitalo, R. & Withers, P. J., 15 Chwef 2015, Yn: AMBIO. 44, 2, t. 163-179

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

Future novel threats and opportunities facing UK biodiversity identified by horizon scanning.

Sutherland, W. J., Bailey, M. J., Bainbridge, I. P., Brereton, T., Dick, J. T., Drewitt, J., Dulvy, N. K., Dusic, N. R., Freckleton, R. P., Gaston, K. J., Gilder, P. M., Green, R. E., Heathwaite, A. L., Johnson, S. M., MacDonald, D. W., Mitchell, R., Osborn, D., Owen, R. P., Pretty, J., Prior, S. V., Prosser, H., Pullin, A. S., Rose, P., Stott, A., Tew, T., Thomas, C. D., Thompson, D. B., Vickery, J. A., Walker, M., Walmsley, C., Warrington, S., Watkinson, A. R., Williams, R. J., Woodroffe, R. & Woodroof, H. J., 1 Meh 2008, Yn: Journal of Applied Ecology. 45, 3, t. 821-833

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

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

GRACE storage-runoff hystereses reveal the dynamics of regional watersheds

Sproles, E. A., Leibowitz, S. G., Reager, J. T., Wigington, P. J., Famiglietti, J. S. & Patil, S. D., 30 Hyd 2014, Yn: Hydrology and Earth System Sciences. 19, t. 3253-3272

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

Gap analysis of social science resources for conservation practice

Detoeuf, D., de Lange, E., Ibbett, H., Gupta, T., Monterrubio Solís, C., Mavakala, K., Catapani, M., Kretser, H., Milner-Gulland, E., Brittain, S., Newing, H., Fariss, B., Spira, C., Eyster, H., DeMello, N., Wallen, K., Thornton, S., Bennett, N. J. & Choo, L. L., 1 Ebr 2025, Yn: Conservation Biology. 39, 2, e14463.

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

Gas compressor noise does not influence tree swallow nestling condition or immune response

MacLeod, K., Naugle, L., Brittingham, M. & Avery, J., Medi 2022, Yn: Journal of Zoology. 318, 1, t. 1-9

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

Gels and polymeric materials from isocyanates and metaborate esters.

Beckett, M. A., Rugen-Hankey, M. P. & Varma, K. S., 1 Ion 2002, Yn: Main Group Metal Chemistry. 25, t. 485-488

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

Gene Sets for Utilization of Primary and Secondary Nutrition Supplies in the Distal Gut of Endangered Iberian Lynx

Alcaide, M., Messina, E., Richter, M., Bargiela, R., Peplies, J., Huws, S. A., Newbold, C. J., Golyshin, P. N., Simón, M. A., López, G., Yakimov, M. M. & Ferrer, M., 12 Rhag 2012, Yn: PLoS ONE. 7, 12, t. e51521

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

Gene expression varies within and between enzootic and epizootic lineages of Batrachochytrium dendrobatidis (Bd) in the Americas

McDonald, C. A., Ellison, A., Toledo, L. F., James, T. Y. & Zamudio, K. R., Ion 2020, Yn: Fungal Biology. 124, 1, t. 34-43

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

Gene tree parsimony of multilocus snake venom protein families reveals species tree conflict as a result of multiple parallel gene loss.

Wuster, W., Casewell, N. R., Wagstaff, S. C., Harrison, R. A. & Wüster, W., 1 Maw 2011, Yn: Molecular Biology and Evolution. 28, 3, t. 1157-1172

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

Gene-associated markers can assign origin in a weakly structured fish, Atlantic herring

Bekkevold, D., Helyar, S. J., Limborg, M. T., Nielsen, E. E., Hemmer-Hansen, J., Clausen, L. A. & Carvalho, G. R., 23 Chwef 2015, Yn: ICES Journal of Marine Science. 72, 6, t. 1790-1810

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

Gene-associated markers provide tools for tackling illegal fishing and false eco-certification

Taylor, M. I., Nielsen, E. E., Cariani, A., Aoidh, E. M., Maes, G. E., Milano, I., Ogden, R., Taylor, M., Hemmer-Hansen, J., Babbucci, M., Bargelloni, L., Bekkevold, D., Diopere, E., Grenfell, L., Helyar, S., Limborg, M. T., Martinsohn, J. T., McEwing, R., Panitz, F., Patarnello, T., Tinti, F., Van Houdt, J. K., Volckaert, F. A., Waples, R. S., FishPopTrace consortium, [. V. & Carvalho, G. R., 22 Mai 2012, Yn: Nature Communications. 3, t. Article No. 851

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

Generalized additive models of climatic and metabolic controls of sub‐annual variation in pCO2 in productive hardwater lakes

Wiik, E., Haig, H. A., Hayes, N. M., Finlay, K., Simpson, G. L., Vogt, R. J. & Leavitt, P. R., Meh 2018, Yn: Journal of Geophysical Research: Biogeosciences. 123, 6, t. 1940-1959

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

Generation and stereocontrolled trapping of 3-phenylcyclopropene and its derivatives

Sheshenev, A. E., Baird, M. S., Croft, A. K. & Bolesov, I. G., 1 Ion 2004, Yn: Mendeleev Communications. 14, 6, t. 299-301

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

Generation and stereocontrolled trapping of 3-phenylcyclopropene and some derivatives

Sheshenev, A. E., Baird, M. S., Croft, A. K. & Bolesov, I. G., 1 Ion 2004, Yn: Mendeleev Communications. 14, 6, t. 299-301

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

Generation and stereoselective transformations of 3-phenylcyclopropene.

Sheshenev, A. E., Baird, M. S., Croft, A. K. & Bolesov, I. G., 28 Tach 2009, Yn: Tetrahedron. 65, 48, t. 10036-10046

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

Generation and trapping of 1,2 dibromo 3 methyl but 2 en 1 ylidenes

Al-Dulayymi, A., Al-Dulayymi, J., Baird, M. & Rajaram, L., 24 Gorff 1995, Yn: Tetrahedron. 51, 30, t. 8371-8382

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

Genetic and ecological correlates of intraspecific variation in pitviper venom composition detected using matirx-assisted laser desorption time-of-flight mass spectrometry (MALDI-TOF-MS) and isoelectric focusing

Creer, S., Malhotra, A., Thorpe, R., Stocklin, R. S., Favreau, P. S. & Chou, W. S., 1 Maw 2003, Yn: Journal of Molecular Evolution. 56, 3, t. 317-329

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

Genetic assimilation of ancestral plasticity during parallel adaptation to Zinc contamination in Silene uniflora

Wood, D., Holmberg, J., Osborne, O., Helmstetter, A. J., Dunning, L. T., Ellison, A., Smith, R. J., Lighten, J. & Papadopulos, A. S. T., Maw 2023, Yn: Nature Ecology and Evolution. 7, 3, t. 414-423 10 t.

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

Genetic control of pulp and timber properties in maritime pine (Pinus pinaster Ait.).

Pot, D., Chantre, G., Rozenberg, P., Rodrigues, J. C., Lloyd-Jones, G., Pereira, H., Hannrup, B., Cahalan, C. M. & Plomion, C., 1 Hyd 2002, Yn: Annals of Forest Science. 59, 5-6, t. 563-575

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

Genetic data from 28 STR loci for forensic individual identification and parentage analyses in 6 bird of prey species.

Dawnay, N., Ogden, R., Wetton, J. H., Thorpe, R. S. & McEwing, R., 1 Maw 2009, Yn: Forensic Science International: Genetics. 3, 2, t. e63-e69

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

Genetic diversity and cryptic population re-establishment: management implications for the Bojer’s skink (Gongylomorphus bojerii)

Melvin, Z., du Plessis, S. J., Howard-McCombe, J., Sheppard, E. C., Russo, I.-R. M., Mootoocurpen, R., Goetz, M., Young, R., Cole, N. C. & Bruford, M. W., Ebr 2019, Yn: Conservation Genetics. 20, 2, t. 137-152

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

Genetic diversity and thermal performance in invasive and native populations of African fig flies

Comeault, A., Wang, J., Tittes, S., Isbell, K., Ingley, S., Hurlbert, A. & Matute, D., 28 Chwef 2020, Yn: Molecular Biology and Evolution.

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

Genetic diversity of the feminising microsporidian parasite Dictyocoela: New insights into host-specificity, sex and phylogeography

Wilkinson, T. J., Rock, J., Whiteley, N. M., Ovcharenko, M. O. & Ironside, J. E., 1 Awst 2011, Yn: International Journal for Parasitology. 41, 9, t. 959-966

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

Genetic homogeneity among breeding grounds and nursery areas of an exploited Lake Malawi cichlid fish.

Genner, M. J., Nichols, P., Shaw, P. W., Carvalho, G. R., Robinson, R. L. & Turner, G. F., 1 Medi 2008, Yn: Freshwater Biology. 53, 9, t. 1823-1831

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

Genetic management of the red squirrel, Sciurus vulgaris: a practical approach to regional conservation

Ogden, R., Shuttleworth, C., McEwing, R. & Cesarini, S., 26 Hyd 2005, Yn: Conservation Genetics. 6, t. 511-525

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

Genetic organization of IncP-7 TOL plasmid pWW53 and the movement of its residing transposons.

Yano, H., Garruto, C., Sota, M., Ohtsubo, Y., Nagata, Y. J., Zylstra, G. J., Williams, P. A. & Tsuda, M., 1 Maw 2007, Yn: Plasmid. 57, 2, t. 231

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

Genetic parameters from univariate and bivariate analysis of egg and weight traits in Japanese quail.

Omed, H., Saatci, M., Omed, H. M. & Ap Dewi, I., 1 Chwef 2006, Yn: Poultry Science. 85, 2, t. 185-190

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

Genetic parameters of growth and wood quality traits in Picea abies.

Cahalan, C. M., Hannrup, B., Cahalan, C., Chantre, G., Grabner, M., Karlsson, B., Le Bayon, I., Lloyd-Jones, G., Muller, U., Pereira, H., Rodrigues, J. C., Rosner, S., Rozenberg, P., Wilhelmsson, L. & Wimmer, R., 1 Chwef 2004, Yn: Scandinavian Journal of Forest Research. 19, 1, t. 14-29

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

Genetic parameters of weights, ultrasonic muscle and fat depths, maternal effects and reproductive traits in Welsh Mountain sheep

Ap Dewi, I., Saatci, M. & Ulutas, Z., 1 Meh 2002, Yn: Animal Science. 74, 3, t. 399-408

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

Genetic population structure indicates sympatric speciation of Lake Malawi pelagic cichlids.

Shaw, P. W., Turner, G. F., Idid, M. R., Robinson, R. L. & Carvalho, G. R., 22 Tach 2000, Yn: Proceedings of The Royal Society B - Biological Sciences. 267, 1459, t. 2273-2280

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

Genetic structure of Carcinus maenas within its native range: larval dispersal and oceanographic variability.

Domingues, C. P., Creer, S., Taylor, M. I., Queiroga, H. & Carvalho, G. R., 14 Gorff 2010, Yn: Marine Ecology Progress Series. 410, t. 111-123

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

Genetic tests for ecological and allopatric speciation in Anoles on an Island Archipelago.

Thorpe, R. S., Surget-Groba, Y. & Johansson, H., 29 Ebr 2010, Yn: PLOS Genetics. 6, 4, t. e1000929

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

Genetically engineered proteins with two active sites for enhanced biocatalysis and synergistic chemo- and biocatalysis

Alonso, S., Santiago, G., Cea-Rama, I., Fernandez-Lopez, L., Coscolín, C., Modregger, J., Ressmann, A. K., Martinez-Martinez, M., Marrero, H., Bargiela, R., Pita, M., Gonzalez-Alfonso, J. L., Briand, M. L., Rojo, D., Barbas, C., Plou, F. J., Golyshin, P., Shahgaldian, P., Sanz-Aparicio, J., Guallar, V. & Ferrer, M., Maw 2020, Yn: Nature Catalysis. 3, 3, t. 319-328

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

Genome Analysis of the Psychrotolerant Acidophile Acidithiobacillus ferrivorans CF27

Talla, E., Hedrich, S., Ji, B. Y., Johnson, D. B. & Bonnefoy, V., 1 Hyd 2013, Yn: Advanced Materials Research. 825, t. 145-148

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

Genome Assembly of the Dyeing Poison Frog Provides Insights into the Dynamics of Transposable Element and Genome-Size Evolution

Dittrich, C., Hoelzl, F., Smith, S., Fouilloux, C. A., Parker, D. J., O'Connell, L. A., Knowles, L. S., Hughes, M., Fewings, A., Morgan, R., Rojas, B. & Comeault, A. A., 5 Meh 2024, Yn: Genome Biology and Evolution. 16, 6

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

Genome Sequence of Thalassolituus oleivorans MIL-1 (DSM 14913T)

Hai, T., Golyshin, P. N., Werner, J., Chernikova, T. N., Tran, H., Ferrer, M., Yakimov, M. M., Teeling, H. & Golyshina, O. V., 18 Ebr 2013, Yn: Genome Announcements. 1, 2, t. e00141-13

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

Genome Sequence of the Acidophilic Ferrous Iron-Oxidizing Isolate Acidithrix ferrooxidans Strain Py-F3, the Proposed Type Strain of the Novel Actinobacterial Genus Acidithrix

Eisen, S., Poehlein, A., Johnson, D. B., Daniel, R., Schlömann, M. & Mühling, M., 30 Ebr 2015, Yn: Genome Announcements. 3, 2

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

Genome Sequence of the Acidophilic Iron Oxidizer Ferrimicrobium acidiphilum Strain T23T

Eisen, S., Poehlein, A., Johnson, D. B., Daniel, R., Schlömann, M. & Mühling, M., 30 Ebr 2015, Yn: Genome Announcements. 3, 2

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

Genome Sequence of the Acidophilic Sulfate-Reducing Peptococcaceae Strain CEB3

Petzsch, P., Poehlein, A., Johnson, D. B., Daniel, R., Schlömann, M. & Mühling, M., 6 Awst 2015, Yn: Genome Announcements. 3, 4

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

Genome Sequence of the Moderately Acidophilic Sulfate-Reducing Firmicute Desulfosporosinus acididurans (Strain M1T)

Petzsch, P., Poehlein, A., Johnson, D. B., Daniel, R., Schlömann, M. & Mühling, M., 6 Awst 2015, Yn: Genome Announcements. 3, 4

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

Genome sequence and functional genomic analysis of the oil-degrading bacterium Oleispira antarctica

Golyshina, O., Hai, T., Kube, M., Chernikova, T. N., Al-Ramahi, Y., Beloqui, A., Lopez-Cortez, N., Guazzaroni, M. E., Heipieper, H. J., Klages, S., Kotsyurbenko, O. R., Langer, I., Nechitaylo, T. Y., Lünsdorf, H., Fernández, M., Juárez, S., Ciordia, S., Singer, A., Kagan, O., Egorova, O., Petit, P. A., Stogios, P., Kim, Y., Tchigvintsev, A., Flick, R., Denaro, R., Genovese, M., Albar, J. P., Reva, O. N., Martínez-Gomariz, M., Tran, H., Ferrer, M., Savchenko, A., Yakunin, A. F., Yakimov, M. M., Golyshina, O. V., Reinhardt, R. & Golyshin, P. N., 23 Gorff 2013, Yn: Nature Communications. 4, t. 2156

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

Genome sequence completed of Alcanivorax borkumensis, a hydrocarbon-degrading bacterium that plays a global role in oil removal from marine systems.

Golyshin, P. N., Dos Santos, V. A., Kaiser, O., Ferrer, M., Sabirova, Y. S., Lunsdorf, H., Chernikova, T. N., Golyshina, O. V., Yakimov, M. M., Puhler, A. & Timmis, K. N., 19 Rhag 2003, Yn: Journal of Biotechnology. 106, 2-3, t. 215-220

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

Genome sequence of a diabetes-prone rodent reveals a mutation hotspot around the ParaHox gene cluster

Hargreaves, A. D., Zhou, L., Christensen, J., Marletaz, F., Liu, S., Li, F., Jansen, P. G., Spiga, E., Hansen, M. T., Pedersen, S. V. H., Biswas, S., Seriwaka, K., Fox, B. A., Taylor, W. R., Mulley, J., Zhang, G., Heller, R. S. & Holland, P. W. H., 18 Gorff 2017, Yn: Proceedings of the National Academy of Sciences of the United States of America: PNAS. 114, 29, t. 7677–7682

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

Genome sequence of obligate marine polycyclic aromatic hydrocarbons-degrading bacterium Cycloclasticus sp 78-ME, isolated from petroleum deposits of the sunken tanker Amoco Milford Haven, Mediterranean Sea

Messina, E., Denaro, R., Crisafi, F., Smedile, F., Cappello, S., Genovese, M., Genovese, L., Giuliano, L., Russo, D., Ferrer, M. & Golyshin, P., 24 Hyd 2015, Yn: Marine Genomics. 25, t. 11-13

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

Genome sequence of the ubiquitous hydrocarbon-degrading marine bacterium Alcanivorax borkumensis.

Schneiker, S., Martins dos Santos, V. A. P., Bartels, D., Bekel, T., Brecht, M., Buhrmester, J., Chernikova, T. N., Denaro, R., Ferrer, M., Gertler, C., Goesmann, A., Golyshina, O. V., Kaminski, F., Khachane, A. N., Lang, S., Linke, B., McHardy, A. C., Meyer, F., Nechitaylo, T., Pühler, A., Regenhardt, D., Rupp, O., Sabirova, J. S., Selbitschka, W., Yakimov, M. M., Timmis, K. N., Vorhölter, F.-J., Weidner, S., Kaiser, O. & Golyshin, P. N., 30 Gorff 2006, Yn: Nature Biotechnology. 24, 8, t. 997-1004 8 t.

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