Ysgol Gwyddorau Amgylcheddol a Naturiol
- 2023
- Cyhoeddwyd
Antibiotics and antibiotic resistance genes in agricultural soils: A systematic analysis
Wu, J., Wang, J., Li, Z., Guo, S., Li, K., Xu, P., Ok, Y. S., Jones, D. L. & Zou, J., 3 Ebr 2023, Yn: Critical Reviews in Environmental Science and Technology. 53, 7, t. 847-864 18 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Multilevel comparison of Indian Naja venoms and their cross-reactivity with Indian polyvalent antivenoms
Deka, A., Bhatia, S., Santra, V., Bharti, O., Lalremsanga, H., Martin, G., Wüster, W., Owens, J. B., Graham, S., Doley, R. & Malhotra, A., 1 Ebr 2023, Yn: Toxins. 15, 4, 24 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Optimising sustainability: Circular pathways for Scotch Whisky distillery co-products
Duffy, C., Styles, D., Schestak, I., Macgregor, K., Jack, F., Henn, D., Black, K. & Iannetta, P. P. M., 1 Ebr 2023, Yn: Journal of Cleaner Production. 395, 136436.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Use of untargeted metabolomics to analyse changes in extractable soil organic matter in response to long-term fertilisation
Tang, S., Ma, Q., Zhou, J., Pan, W., Chadwick, D. R., Gregory, A. S., Wu, L. & Jones, D. L., 1 Ebr 2023, Yn: Biology and Fertility of Soils. 59, 3, t. 301-316Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Tau-mediated axonal degeneration is prevented by activation of the WldS pathway
Stubbs, K., Batchelor, B., Sivanantharajah, L., Sealey, M., Ramirez-Moreno, M., Ruiz, E., Richardson, B., Perry, V. H., Newman, T. A. & Mudher, A., Ebr 2023, Yn: Brain Communications. 5, 2, fcad052.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Incubation temperature alters stripe formation and head colouration in American alligator hatchlings and is unaffected by estradiol-induced sex reversal
Rogerson, G., Bock, S., Loera, Y., Parrott, B. & Mulley, J., 31 Maw 2023, Yn: Journal of Experimental Biology. 226, 6, jeb245219.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The presence of territorial damselfish predicts choosy client species richness at cleaning stations
Dunkley, K., Whittey, K. E., Ellison, A., Perkins, S. E., Cable, J. & Herbert-Read, J., 28 Maw 2023, Yn: Behavioral Ecology. 34, 2, t. 269-277 9 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The genome sequence of the Common Pug, Eupithecia vulgata (Haworth, 1809)
Boyes, D., Mulley, J. F. & Consortium, D. T. O. L., 23 Maw 2023, Yn: Wellcome Open Research. 8, 129, t. 129 1 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The Rotting City : Surrealist Arts of Noticing the Urban Anthropocene
Wilson, J., 21 Maw 2023, Yn: Space and Culture. t. 1-12Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
CRISPR-induced DNA reorganization for multiplexed nucleic acid detection
Karlikow, M., Amalfitano, E., Yang, X., Doucet, J., Chapman, A., Sadat-Moussavi, P., Homme, P., Sutyrina, P., Chang, W., Lemak, S., Yakunin, A., Dolezal, A. G., Kelley, S., Foster, L., Harpur, B. & Pardee, K., 17 Maw 2023, Yn: Nature Communications. 14, 1, 1505.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Impact of climate change on hydropower potential in the UK and Ireland
Dallison, R. & Patil, S., 17 Maw 2023, Yn: Renewable Energy. 207, t. 611-628Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Agricultural land use regulates the fate of soil phosphorus fractions following the reclamation of wetlands
Qin, L., Jiang, M., Freeman, C., Zou, Y., Gao, C., Tian, W. & Wang, G., 10 Maw 2023, Yn: Science of the Total Environment. 863, 160891.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Dynamic multi-dimensional scaling of 30+ year evolution of Chinese urban systems: patterns and performance
Ning, Y., Liu, S., Smith, A., Qiu, Y., Gao, H., Yuan, W., Lu, Y., Yuan, W. & Feng, S., 10 Maw 2023, Yn: Science of the Total Environment. 863, 160705.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Defra Lowland Peat 2: Managing agricultural systems on lowland peat for decreased greenhouse gas emissions whilst maintaining agricultural productivity. Report to Defra for Project SP1218
Evans, C. D., Morrison, R., Cumming, A., Bodo, A., Burden, A., Callaghan, N., Clilverd, H., Cooper, H., Cowan, N., Crabtree, D., D'Acunha, B., Freeman, B., Rhymes, J., Jovani-Sancho, J., Keith, A., McNamara, N., Musarika, S., Rylett, D., Page, S., Kaduk, J., Mills, M., Newman, T., Boum, A., Chadwick, D., Hardaker, A., Gibbons, J., Jones, D. L., Abdel-Aziz, I., Eyre, C., Mullholland, B., Baird, A., Lindsay, R., Clough, J., Hudson, M., Palmer, L. & Burton, R., 1 Maw 2023, Uk Centre for Ecology and Hydrology. 126 t.Allbwn ymchwil: Llyfr/Adroddiad › Adroddiad Comisiwn
- Cyhoeddwyd
Poor air passenger knowledge of COVID-19 symptoms and behaviour undermines strategies aimed at preventing the import of SARS-CoV-2 into the UK
Jones, D. L., Rhymes, J., Green, E., Rimmer, C., Kevill, J., Malham, S., Weightman, A. & Farkas, K., 1 Maw 2023, Yn: Scientific Reports. 13, 1, 3494.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Bungarus fasciatus venom from eastern and north-east India: venom variation and immune cross-reactivity with Indian polyvalent antivenoms
Talukdar, A., Malhotra, A., Lalremsanga, H. T., Santra, V. & Doley, R., Maw 2023, Yn: Journal of Proteins and Proteomics. 14, 1, t. 61-76Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Evaluation of a novel ELISA test using synthetic mycolic acid antigens for serodiagnosis of non-tuberculous mycobacterial (NTM) infections
Bashford, J., Flowers, W., Haworth, C., Ryan, J., Cervi, A., Dulayymi, J. R. A., Mason, P. S., Plank, A., Baird, M. & Floto, A., Maw 2023, Yn: Thorax. 78, 3, t. 309-312 4 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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
- Cyhoeddwyd
Over 50 years of behavioural evidence on the magnetic sense in animals: what has been learnt and how?
Schneider, W., Holland, R. & Lindecke, O., Maw 2023, Yn: The European Physical Journal Special Topics. 232, 2, t. 269-278 10 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl adolygu › adolygiad gan gymheiriaid
- Cyhoeddwyd
Extractivism and Universality: Inside an Uprising in the Amazon
Wilson, J., 28 Chwef 2023, Routledge.Allbwn ymchwil: Llyfr/Adroddiad › Llyfr › adolygiad gan gymheiriaid
- Cyhoeddwyd
Thermophilic Carboxylesterases from Hydrothermal Vents of the Volcanic Island of Ischia Active on Synthetic and Biobased Polymers and Mycotoxins
Distaso, M., Chernikova, T., Bargiela, R., Coscolín, C., Stogios, P. J., Gonzalez-Alfonso, J. L., Lemak, S., Khusnutdinova, A., Plou, F. J., Evdokimova, E., Savchenko, A., Lunev, E., Yakimov, M. M., Golyshina, O., Ferrer, M., Yakunin, A. & Golyshin, P., 28 Chwef 2023, Yn: Applied and Environmental Microbiology. 89, 2, t. e0170422 20 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Aposematism and Batesian mimicry in snakes: through the visible spectrum and beyond?
Wuster, C. & Wüster, W., 26 Chwef 2023, Yn: Herpetology Notes. 16, t. 165-170Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Resilience of ecosystem service delivery in grasslands in response to single and compound extreme weather events
Dodd, R. J., Chadwick, D. R., Hill, P. W., Hayes, F., Sánchez-Rodríguez, A. R., Gwynn-Jones, D., Smart, S. M. & Jones, D. L., 25 Chwef 2023, Yn: Science of the Total Environment. 861, 160660.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Enzyme adaptation to habitat thermal legacy shapes the thermal plasticity of marine microbiomes
Marasco, R., Fusi, M., Coscolín, C., Borozzi, A., Almendral, D., Bargiela, R., Gohlke neé Nutschel, C., Dittrich, J., Gohlke, H., Matesanz, R., Sanchez-Carrillo, S., Mapelli, F., Chernikova, T., Golyshin, P., Ferrer, M. & Daffonchio, D., 24 Chwef 2023, Yn: Nature Communications. 14, 1, 1045.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Evaluating the impact of biodiversity offsetting on native vegetation
zu Ermgassen, S. O. S. E., Devenish, K., Simmons, B. A., Gordon, A., Jones, J. P. G., Maron, M., Schulte to Bühne, H., Sharma, R., Sonter, L. J., Strange, N., Ward, M. & Bull, J. W., 23 Chwef 2023, OSF Preprints, t. 1-24.Allbwn ymchwil: Papur gweithio › Rhagargraffiad
- Cyhoeddwyd
Towards a standardized framework for managing lost species
Martin, T., Bennett, G. C., Fairburn, A. & Moores, A. O., 22 Chwef 2023, Yn: Animal Conservation. 26, 1, t. 29-30 2 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Sylw/Dadl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Sense of doubt: Inaccurate and alternate locations of virtual magnetic displacements may give a distorted view of animal magnetoreception ability
Schneider, W., Holland, R., Packmor, F. & Lindecke, O., 20 Chwef 2023, Yn: Communications Biology. 6, 1, 8 t., 187.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Ecological intensification measures to improve productivity and decrease nitrogen surplus in wheat-maize/watermelon intercropping system
Chen, Y., Yang, X., Zhang, Y., Xu , Z., Cross, P. & Zhang, C., 17 Chwef 2023, Yn: International Journal of Sustainable Development and World Ecology. 30, 2, t. 140-151 12 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Attenuation of Methane Oxidation by Nitrogen Availability in Arctic Tundra Soils
Lee, J., Yun, J., Yang, Y., Jung, J. Y., Lee, Y. K., Yuan, J., Ding, W., Freeman, C. & Kang, H., 14 Chwef 2023, Yn: Environmental Science and Technology. 57, 6, t. 2647-2659 13 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Rapid Assessment of SARS-CoV-2 Variant-Associated Mutations in Wastewater Using Real-Time RT-PCR
Farkas, K., Pellett, C., Williams, R., Alex-Sanders, N., Bassano, I., Brown, M. R., Denise, H., Grimsley, J. M. S., Kevill, J. L., Khalifa, M. S., Pântea, I., Story, R., Wade, M. J., Woodhall, N. & Jones, D. L., 14 Chwef 2023, Yn: Microbiology Spectrum. 11, 1, e0317722.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Earth has lost one-fifth of its wetlands since 1700 – but most could still be saved
Dunn, C., 9 Chwef 2023, The Conversation.Allbwn ymchwil: Cyfraniad at gyhoeddiad arbenigol › Erthygl
- Cyhoeddwyd
The genome sequence of the Birch Marble, Apotomis betuletana (Haworth, 1811)
Mulley, J. & Boyes, D., 9 Chwef 2023, Yn: Wellcome Open Research . 8, t. 66Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Financial incentives often fail to reconcile agricultural productivity and pro-conservation behavior.
Bell, A. R., Rakotonarivo, O. S., Bhargava, A., Duthie, A. B., Zhang, W., Sargent, R., Lewis, A. R. & Kipchumba, A., 8 Chwef 2023, Yn: Communications Earth and Environment. 4, 27, 27.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The genome sequence of the Dark Arches Apamea monoglypha (Hufnagel, 1766)
Boyes, D. & Mulley, J., 8 Chwef 2023, Yn: Wellcome Open Research . 8, 63.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The genome sequence of the lesser worm flesh fly, Sarcophaga ( Sarcophaga) subvicina (Baranov, 1937).
Falk, S. & Mulley, J., 8 Chwef 2023, Yn: Wellcome Open Research . 8, 65, t. 65Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Leaching of phthalate acid esters from plastic mulch films and their degradation in response to UV irradiation and contrasting soil conditions
Viljoen, S. J., Brailsford, F. L., Murphy, D. V., University, M., Chadwick, D. R. & Jones, D. L., 5 Chwef 2023, Yn: Journal of Hazardous Materials. 443, part B, 130256.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Molecular phylogeny reveals distinct evolutionary lineages of the banded krait, Bungarus fasciatus (Squamata, Elapidae) in Asia
Biazkula, L., Lalremsanga, H., Santra, V., Dhara, A., Ahmed, M. T., Mallick, Z., Kuttalam, S. R., Amarasinghe, A. A. T. & Malhotra, A., 4 Chwef 2023, Yn: Scientific Reports. 13, 1, 14 t., 2061.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Repeated squirrelpox infection in Welsh red squirrels
Holmes, J. P., Everest, D. & Shuttleworth, C., 3 Chwef 2023, Yn: Veterinary Record. 192, 3, t. 128-129Allbwn ymchwil: Cyfraniad at gyfnodolyn › Llythyr
- Cyhoeddwyd
Biologically inspired herding of animal groups by robots
King, A. J., Portugal, S. J., Strombom, D., Mann, R. P., Carrillo, J. A., Kalise, D., Croon, G. D., Barnett, H., Scerri, P., Gross, R., Chadwick, D. & Papadopoulou, M., 1 Chwef 2023, Yn: Methods in Ecology and Evolution. 14, 2, t. 478-486 9 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Diverse anthropogenic disturbances shift Amazon forests along a structural spectrum
Smith, M., Stark, S. C., Taylor, T. C., Schietti, J., Almeida, D. R. A., Aragon, S., Torralvo, K., Lima, A., de Oliveira, G., de Assis, R. L., Leitold, V., Pontes-Lopes, A., Scoles, R., de Sousa Vieira, L. C., Resende, A. F., Coppola, A. I., Brandao, D. O., Junior, J. D. A. S., Lobato, L. F., Freitas, W., Almeida, D., Souza, M. S., Minor, D. M., Villegas, J. C., Law, D. J., Goncalves, N., da Rocha, D. G., Guedes, M. C., Tonini, H., da Silva, K. E., van Haren, J., Rosa, D. M., do Valle, D. F., Cordeiro, C. L., de Lima, N. Z., Shao, G., Menor, I. O., Conti, G., Florentino, A. P., Montti, L., Aragao, L. E. O. C., McMahon, S. M., Parker, G. G., Breshears, D. D., Da Costa, A. C. L., Magnusson, W. E., Mesquita, R., Camargo, J. L. C., de Oliveira, R. C., de Camargo, P. B., Saleska, S. R. & Nelson, B. W., 1 Chwef 2023, Yn: Frontiers in Ecology and the Environment. 21, 1, t. 24-32 9 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Greenhouse gas production, diffusion and consumption in a soil profile under maize and wheat production
Button, E. S., Marshall, M., Sanchez-Rodriguez, A. R., Blaud, A., Abadie, M., Chadwick, D. R. & Jones, D. L., 1 Chwef 2023, Yn: Geoderma. 430, 116310.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
How do tree species with different successional stages affect soil organic nitrogen transformations?
Gao, L., Smith, A., Jones, D. L., Guo, Y., Lui, B., Guo, Z., Chunnan, F., Zheng, J., Cui, X. & Hill, P., 1 Chwef 2023, Yn: Geoderma. 430, 116319Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Indirect effects of pine marten recovery result in benefits to native prey through suppression of an invasive species and a shared pathogen
Slade, A., White, A., Lurz, P. W. W., Shuttleworth, C., Tosh, D. & Twining, J., 1 Chwef 2023, Yn: Ecological Modelling. 476, 110216.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Tracing the mineralization rates of C, N and S from cysteine and methionine in a grassland soil: A 14C and 35S dual-labelling study
Wang, D., Chadwick, D. R., Hill, P. W., Ge, T. & Jones, D. L., 1 Chwef 2023, Yn: Soil Biology and Biochemistry. 177, 108906.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Widespread variation in functional trait-vital rate relationships in tropical tree seedlings across a precipitation and soil phosphorus gradient
Browne, L., Markesteijn, L., Manzané-Pinzón, E., Wright, S. J., Bagchi, R., Engelbrecht, B., Jones, F. A. & Comita, L. S., 1 Chwef 2023, Yn: Functional Ecology. 37, 2, t. 248-260 13 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Introducing a common taxonomy to support learning from failure in conservation
Dickson, I., Butchart, S. H. M., Catalano, A., Gibbons, D., Jones, J. P. G., Lee-Brooks, K., Oldfield, T., Noble, D., Paterson, S., Roy, S., Semelin, J., Tinsley-Marshall, P., Trevelyan, R., Wauchope, H., Wicander, S. & Sutherland, W. J., Chwef 2023, Yn: Conservation Biology. 37, 1, e13967.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Lutispora saccharofermentans sp. nov., a mesophilic, non-spore-forming bacterium isolated from a lab-scale methanogenic landfill bioreactor digesting anaerobic sludge, and emendation of the genus Lutispora to include species which are non-spore-forming and mesophilic
El Houari, A., Carpenter, M., Chaplin, D., Golyshin, P. & McDonald, J. E., Chwef 2023, Yn: International Journal of Systematic Evolutionary Microbiology. 73, 1, 005683.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Wood modification with phenol urea formaldehyde (PUF) resin: the influence of wood species selection on the dimensional stability
Kupfernagel, C., Spear, M., Pitman, A. & Ormondroyd, G., Chwef 2023, Yn: European Journal of Wood and Wood Products. 81, 1, t. 5-19Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The Mobility of the Cap Domain Is Essential for the Substrate Promiscuity of a Family IV Esterase from Sorghum Rhizosphere Microbiome
Distaso, M., Cea-Rama, I., Coscolín, C., Chernikova, T., Tran, H., Ferrer, M., Sanz-Aparico, J. & Golyshin, P., 31 Ion 2023, Yn: Applied and Environmental Microbiology. 89, 1, t. e0180722 e0180722.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The genome of Roselle's flesh fly Sarcophaga (Helicophagella) rosellei (Böttcher, 1912)
Falk, S. & Mulley, J., 31 Ion 2023, Yn: Wellcome Open Research . 8, 43, t. 43Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid