Porth Ymchwil

Ysgol Gwyddorau Amgylcheddol a Naturiol

4601 - 4650 o blith 5,592Maint y tudalen: 50
Trefnu yn ôl: Math
  1. Llythyr › Ymchwil › Adolygwyd gan gymheiriaid
  2. Cyhoeddwyd

    Research ethics: Assuring anonymity at the individual level may not be sufficient to protect research participants from harm

    St. John, F. A. V., Brockington, D., Bunnefild, N., Duffy, R., Homewood, K., Jones, J. P. G., Keane, A. M., Milner-Gulland, E. J., Nuno, A. & Razafimanahaka, J. H., Ebr 2016, Yn: Biological Conservation. 196, t. 208-209

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

  3. Cyhoeddwyd

    Response to comments on "Compassionate Conservation deserves a morally serious rather than dismissive response - reply to Callen et al., 2020"

    Callen, A., Hayward, M. W., Klop-Toker, K., Allen, B. L., Ballard, G., Beranek, C. T., Broekhuis, F., Bugir, C. K., Clarke, R. H., Clulow, J., Clulow, S., Daltry, J. C., Davies-Mostert, H. T., Di Blanco, Y. E., Dixon, V., Fleming, P. J. S., Howell, L. G., Kerley, G. I. H., Legge, S. M., Lenga, D. J., Major, T., Montgomery, R. A., Moseby, K., Meyer, N., Parker, D. M., Periquet, S., Read, J., Scanlon, R. J., Shuttleworth, C., Tamessar, C. T., Taylor, W. A., Tuft, K., Upton, R. M. O., Valenzuela, M., Witt, R. R. & Wuster, W., 30 Ebr 2020, Yn: Biological Conservation. 244

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

  4. Cyhoeddwyd

    The potential for land sparing to offset greenhouse gas emissions from agriculture

    Lamb, A., Green, R., Kasoar, T., Phalan, B., zu Ermgassen, E. K. H. J., Balmford, A., Crane, E., Field, R., Bateman, I., Broadmeadow, M., Bruce, T., Goulding, K., Pickett, J., Burney, J., Carey, P., Griffiths, H., Chadwick, D., Hastings, A., Smith, P., Kindred, D. & Wall, E., Mai 2016, Yn: Nature Climate Change. 2016, 6, t. 488-492

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

  5. Cyhoeddwyd

    Two cases of dead-infant carrying by female Zanzibar red colobus (Piliocolobus kirkii) at Jozani-Chwaka Bay National Park, Zanzibar

    Georgiev, A., Melvin, Z. E., Warkentin, A-S., Winder, I. C. & Kassim, A., 2019, Yn: African Primates . 13, t. 57-60

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

  6. Cyhoeddwyd

    Using consumer preferences to characterize the trade of wild‐collected ornamental orchids in China

    Williams, S., Gale, S., Hinsley, A., Gao, J. & St John, F. A. V., Hyd 2018, Yn: Conservation Letters. 11, 5, e12569.

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

  7. Sylw/Dadl › Ymchwil › Heb ei adolygu gan gymheiriaid
  8. Cyhoeddwyd

    Marine ecology: Genetics from a drop in the ocean

    Creer, S. & Seymour, M., 4 Ion 2017, Yn: Nature Ecology and Evolution. 1, 0037.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Sylw/Dadl

  9. Sylw/Dadl › Ymchwil › Adolygwyd gan gymheiriaid
  10. Cyhoeddwyd

    Flooding and media storms - controversies over farming and upland land-use in the UK.

    Wynne-Jones, S., 15 Rhag 2016, Yn: Land Use Policy. 58, December, t. 533–536 3 t., 58.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Sylw/Dadl › adolygiad gan gymheiriaid

  11. Cyhoeddwyd

    Hydrological Perspectives on Integrated, Coordinated, Open, Networked (ICON) Science

    Acharya, B., Ahmmed, B., Chen, Y., Davison, J., Haygood, L., Hensley, R., Kumar, R., Lerback, J., Liu, H., Mehan, S., Mehana, M., Patil, S., Persaud, B., Sullivan, P. & URycki, D., 12 Ebr 2022, Yn: Earth and Space Science. 9, 4, e2022EA002320.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Sylw/Dadl › adolygiad gan gymheiriaid

  12. Cyhoeddwyd

    Quantifying uncertainty about how interventions are assigned would improve impact evaluation in conservation: reply to Rasolofoson 2022

    Gordon Jones, J. P., Barnes, M., Eklund, J., Ferraro, P. J., Geldmann, J., Oldekop, J. A. & Schleicher, J., 1 Rhag 2022, Yn: Conservation Biology. e14007.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Sylw/Dadl › adolygiad gan gymheiriaid

  13. Cyhoeddwyd

    Rapid progression and future of environmental DNA research

    Seymour, M., 27 Chwef 2019, Yn: Communications Biology. 2, 80.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Sylw/Dadl › adolygiad gan gymheiriaid

  14. 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

  15. Adolygiad Llyfr/Ffilm/Erthygl › Ymchwil › Heb ei adolygu gan gymheiriaid
  16. Cyhoeddwyd

    Review of D'Aout, K. and Vereecke, E.E. (eds) 'Primate Locomotion: Linking Field and Laboratory Research'

    Winder, I. C., Chwef 2012, Yn: Primate Eye. 106, t. 34-36

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Adolygiad Llyfr/Ffilm/Erthygl

  17. Adolygiad Llyfr/Ffilm/Erthygl › Ymchwil › Adolygwyd gan gymheiriaid
  18. Cyhoeddwyd
  19. Golygyddiad › Ymchwil › Heb ei adolygu gan gymheiriaid
  20. Cyhoeddwyd

    High spatial-temporal resolution data across large scales are needed to transform our understanding of ecosystem services

    Willcock, S., Martinez-Lopez, J., Dandy, N. & Bullock, J., 19 Gorff 2021, Yn: Land. 10, 7, 6 t., 759.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Golygyddiad

  21. Cyhoeddwyd

    The more-than-economic dimensions of cooperation in food production

    Emery, S., Wynne-Jones, S. & Forney, J., Gorff 2017, Yn: Journal of Rural Studies. 53, t. 229-238

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Golygyddiad

  22. Golygyddiad › Ymchwil › Adolygwyd gan gymheiriaid
  23. Cyhoeddwyd

    Behaviour, Lockdown and the Natural World

    Dandy, N., 1 Meh 2020, Yn: Environmental Values. 29, 3, t. 253–259

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

  24. Cyhoeddwyd

    Environmental impacts of agricultural plastic film mulch: Fate, consequences, and solutions

    Ding, F., Jones, D. L., Chadwick, D. R., Kim, P. J., Jiang, R. & Flury, M., 25 Awst 2022, Yn: Science of the Total Environment. 836

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

  25. Cyhoeddwyd

    Fair and equitable conservation: do we really want it, and if so, do we know how to achieve it?

    Hockley, N., Mandimbiniaina, R. & Rakotonarivo, O. S., Rhag 2018, Yn: Madagascar Conservation and Development. 13, 1

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

  26. Cyhoeddwyd

    How long will business as usual be sustained?

    Dandy, N., 1 Ebr 2021, Yn: Environmental Values. 30, 2, t. 141-146

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

  27. Cyhoeddwyd

    Improving the accuracy of land cover classification in cloud persistent areas using optical and radar satellite image time series

    Lopes, M., Frison, P-L., Crowson, M., Warren-Thomas, E., Hariyadi, B., Kartika, W. D., Agus, F., Hamer, K. C., Stringer, L., Hill, J. K. & Pettorelli, N., 1 Ebr 2020, Yn: Methods in Ecology and Evolution. 11, 4, t. 532-541

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

  28. Cyhoeddwyd

    Innovations in soil science to address global grand challenges

    Haygarth, P. M., Kirk, G. J. D. & Jones, D. L., 2021, Yn: European Journal of Soil Science. 72, 6, t. 2317-2319 3 t.

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

  29. Cyhoeddwyd

    Key concepts for making informed choices

    Aronson, J. K., Barends, E., Boruch, R., Brennan, M., Chalmers, I., Chislett, J., Cunliffe-Jones, P., Dahlgren, A., Gaarder, M., Haines, A., Heneghan, C., Matthews, R., Maynard, B., Oxman, A. D., Oxman, M., Pullin, A., Randall, N., Roddam, H., Schoonees, A., Sharples, J., Stewart, R., Stott, J., Tallis, R., Thomas, N. & Vale, L., 15 Awst 2019, Yn: Nature. 572, 7769, t. 303-306 4 t.

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

  30. Cyhoeddwyd

    Pathways to Policy and Management: Knowledge, Process and Venue

    Dandy, N., 1 Hyd 2018, Yn: Environmental Values. 27, 5, t. 459-465

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

  31. Cyhoeddwyd

    Publishing social science research in Conservation Biology to move beyond biology

    Teel, T. L., Anderson, C. B., Burgman, M. A., Cinner, J., Clark, D., Estevez, R. A., Jones, J. P. G., McClanahan, T. R., Reed, M. S., Sandbrook, C. & St John, F. A. V., Chwef 2018, Yn: Conservation Biology. 32, 1, t. 6-8

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

  32. Cyhoeddwyd

    Response to "Every ROSE has its thorns"

    Haddaway, N. R., Macura, B., Whaley, P. & Pullin, A. S., 21 Medi 2018, Yn: Environmental Evidence. 7, 21

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

  33. Cyhoeddwyd

    THE OPTIONS BY CONTEXT APPROACH: A PARADIGM SHIFT IN AGRONOMY

    Sinclair, F. & Coe, R., Meh 2019, Yn: Experimental Agriculture. 55, t. 1-13

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

  34. Cyhoeddwyd

    Wastewater-Based Epidemiology: Global Collaborative to Maximize Contributions in the Fight Against COVID-19

    Bivins, A., North, D., Ahmad, A., Ahmed, W., Alm, E., Been, F., Bhattacharya, P., Bijlsma, L., Boehm, A. B., Brown, J., Buttiglieri, G., Calabro, V., Carducci, A., Castiglioni, S., Gurol, Z. C., Chakraborty, S., Costa, F., Curcio, S., de los Reyes, F. L. . III., Vela, J. D., Farkas, K., Fernandez-Casi, X., Gerba, C., Gerrity, D., Girones, R., Gonzalez, R., Haramoto, E., Harris, A., Holden, P. A., Islam, M. T., Jones, D. L., Kasprzyk-Hordern, B., Kitajima, M., Kotlarz, N., Kumar, M., Kuroda, K., La Rosa, G., Malpei, F., Mautus, M., McLellan, S. L., Medema, G., Meschke, J. S., Mueller, J., Newton, R. J., Nilsson, D., Noble, R. T., van Nuijs, A., Peccia, J., Perkins, T. A., Pickering, A. J., Rose, J., Sanchez, G., Smith, A., Stadler, L., Stauber, C., Thomas, K., van der Voorn, T., Wigginton, K., Zhu, K. & Bibby, K., 7 Gorff 2020, Yn: Environmental Science and Technology. 54, 13, t. 7754-7757

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

  35. Rhifyn Arbennig › Ymchwil › Adolygwyd gan gymheiriaid
  36. Cyhoeddwyd

    Fish, genes and genomes: contributions to ecology, evolution and management

    Carvalho, G., Hauser, L., Martinsohn, J. & Naish, K., 5 Rhag 2016, Yn: Journal of Fish Biology. 89, 6, t. 2471-2478

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Rhifyn Arbennig › adolygiad gan gymheiriaid

  37. Cyhoeddwyd

    Sustainable Land Management and Climate Change Adaptation for Small-Scale Land Users in Sub-Saharan Africa

    Critchley, W., Harari, N., Mollee, E., Bern, U. & Bern, U., 10 Meh 2023, Yn: Land. 12, 6, 1206.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Rhifyn Arbennig › adolygiad gan gymheiriaid

  38. Crynodeb Cyfarfod › Ymchwil › Adolygwyd gan gymheiriaid
  39. Cyhoeddwyd

    Aerodynamics, kinematics, and skeletal function in the slow flight of birds

    Crandell, K. E., Maw 2016, Yn: Integrative and Comparative Biology. 56, t. E45-E45

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Crynodeb Cyfarfod › adolygiad gan gymheiriaid

  40. Cyhoeddwyd

    Antibacterial Activity and Mechanism of Action of a novel Antimicrobial Peptide Palg1 and its potential against Enterococcus Faecalis Infection

    Oyama, L., Crochet, J. -A., Girdwood, S., Cookson, A., Prive, F., Fernandez-Fuentes, N., Edwards, J., Mikut, R., Hilpert, K., Golyshin, P., Golyshina, O., Creevey, C. & Huws, S., Medi 2016, Yn: Journal of Peptide Science. 22, S2, t. S188-S188

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Crynodeb Cyfarfod › adolygiad gan gymheiriaid

  41. Cyhoeddwyd

    Chemolithotrophic Microorganisms and Microbial Community from the Desert Soil as Candidates for the Phobos-Grunt Space Return Mission

    Kotsyurbenko, O. R., Duplex, O. N. D., Roey, A., Golyshina, O. N., Golyshin, P. N. & Vorobyova, E. A., Rhag 2012, Yn: Paleontological Journal. 46, 9, t. 1075-1076

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Crynodeb Cyfarfod › adolygiad gan gymheiriaid

  42. Cyhoeddwyd

    Deconstructing and reconstructing microbial communities that promote the natural attenuation of acidic mine waters

    Johnson, B., 2 Ebr 2017, Yn: Abstracts of papers - American Chemical Society. 253

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Crynodeb Cyfarfod › adolygiad gan gymheiriaid

  43. Cyhoeddwyd

    EFFECT OF ALUMINUM ON CALCIUM HOMEOSTASIS AND IP3 MEDIATED SIGNAL-TRANSDUCTION IN TRITICUM-AESTIVUM AND N-PLUMBAGINIFOLIA

    SHAFF, JE., KOCHIAN, LV. & Jones, D. L., Meh 1995, Yn: Plant Physiology. 108, 2, t. 41-41

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Crynodeb Cyfarfod › adolygiad gan gymheiriaid

  44. Cyhoeddwyd

    Effect of aluminum, oxidative, mechanical and anaerobic stress on cytoplasmic Ca2+ homeostatis in Arabidopsis root hairs

    Gilroy, S., Kochian, LV. & Jones, D. L., 1 Meh 1996, Yn: Plant Physiology. 111, 2, t. 78-78

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Crynodeb Cyfarfod › adolygiad gan gymheiriaid

  45. Cyhoeddwyd

    Multidrug Resistance and High Prevalence of class 1 Integrons in Escherichia coli Isolated from Irrigation Water and Vegetables in Parts of Nsukka and Enugu, Nigeria

    Chigor, C. B., Ibangha, I-A. I., Onuora, V. C., Omotosho, O. E., Chernikova, T., Chigor, V. N. & Golyshin, P., 1 Ebr 2017, Yn: Faseb Journal. 31, S1, 777.22.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Crynodeb Cyfarfod › adolygiad gan gymheiriaid

  46. Cyhoeddwyd

    Novel approaches for the selective capture of transition metals from mine waters using low pH sulfur- and sulfate-reducing bioreactors

    Holanda, R., Santos, A. & Johnson, D. B., 2 Ebr 2017, Yn: Abstracts of papers - American Chemical Society. 253

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Crynodeb Cyfarfod › adolygiad gan gymheiriaid

  47. Cyhoeddwyd

    The Ma Wang Dui Texts, An Anatomical Treatise?

    Shaw, V. & Winder, I. C., 1 Ebr 2020, Yn: Journal of Anatomy. 236, t. 344

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Crynodeb Cyfarfod › adolygiad gan gymheiriaid

  48. Cyhoeddwyd

    Transcriptional control of damage repair at the ventral midline of Drosophila melanogaster

    Bossing, T., Fischer, B., Russell, S. & Shepherd, D., Rhag 2010, Yn: Journal of Neurogenetics. 24, S1, t. 86-86

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Crynodeb Cyfarfod › adolygiad gan gymheiriaid

  49. Cyhoeddwyd

    Use of vibrating ion selective microelectrodes to study the physiology of heavy metal transport into roots

    Papernik, LA., Shaff, JE., Kochian, LV. & Jones, D. L., Meh 1996, Yn: Plant Physiology. 111, 2, t. 128-128

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Crynodeb Cyfarfod › adolygiad gan gymheiriaid

  50. Pennod › Ymchwil › Heb ei adolygu gan gymheiriaid
  51. Cyhoeddwyd

    A Big Problem : Sci-Fi phage therapy comic

    Jameson, E., 1 Hyd 2022, Resist Now : A science Fiction comic anthology about superbugs. t. 34-41 8 t.

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

  52. Cyhoeddwyd

    A critique of the toxicoferan hypothesis

    Hargreaves, A. D., Tucker, A. S., Mulley, J. F., Gopalakrishnakone, P. (gol.) & Malhotra, M. (gol.), 8 Awst 2015, Evolution of Venomous Animals and Their Toxins: Toxicology. Springer Netherlands, t. 1-15

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

  53. Cyhoeddwyd

    A hybrid hydrodynamic lliouvillian approach to non-Markovian dynamics.

    Hughes, K. H., Burghardt, I. & Chattaraj, P. (gol.), 1 Ion 2010, Quantum Trajectories. 2010 gol. Taylor and Francis

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

  54. Cyhoeddwyd

    A practical guide to early surveillance and monitoring

    Robinson, N. J., Everest, D. J., Harry, P. & Shuttleworth, C., 2021, Invasive Alien Species Colonisation Prevention: Your guide to early detection and rapid response . Robinson, N. J. & Shuttleworth, C. M. (gol.). Royal Society of Wildlife Trusts, t. 163-202

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

  55. Cyhoeddwyd

    Acacia Angustissima: a promising species for agrofrestry?

    Preece, D., Brook, R. M. & Roshetko, J. M. (gol.), 1 Ion 2001, Agroforestry species and technologies: a compilation of the highlights and factsheets published by NFTA and FACT Net 1985-1999. 2001 gol. Taiwan Forestry Research Institute and Council of Agriculture, Taiwan, Republic of China, t. 9-10

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

  56. Cyhoeddwyd

    Acarology in crimino-legal investigations: the human acarofauna during life and death.

    Perotti, M. A., Braig, H. R., Byrd, J. H. (gol.) & Castner, J. L. (gol.), 1 Ion 2009, Forensic Entomology: the Utility of Arthropods in Legal Investigations. 2nd ed.. 2009 gol. Taylor and Francis, t. 637-649

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

  57. Cyhoeddwyd

    Adaptation and speciation in Lesser Antillean anoles.

    Thorpe, R. S., Malhotra, A., Stenson, A. G., Reardon, J. T., Dieckmann, U. (gol.), Doebeli, M. (gol.), Metz, J. A. (gol.) & Tautz, D. (gol.), 1 Ion 2004, Adaptive Speciation. 2004 gol. Cambridge University Press, t. 322-344

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

  58. Cyhoeddwyd

    Advances in Venomous Snake Systematics, 2009–2019

    Wüster, W., 25 Mai 2021, Handbook of Venoms and Toxins of Reptiles, Second Edition. Mackessy, S. P. (gol.). Boca Raton: Taylor & Francis, t. 123-145 23 t.

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

  59. Cyhoeddwyd

    Aerobic and anaerobic sulfur metabolism by acidophilic bacteria.

    Hallberg, K. B., Thomson, H. E., Boeselt, I., Johnson, D. B., Ciminelli, V. S. (gol.) & Garcia Jr, O. (gol.), 1 Ion 2001, Biohydrometallurgy: Fundamentals: Technology and Sustainable Development. 2001 gol. Elsevier, t. 423-431

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

  60. Cyhoeddwyd

    Against a grey tide: What future for the red squirrel?

    Shuttleworth, C., 2005, Journal of Practical Ecology & Conservation (Special Series No 4): Living with the Aliens? - Ecology, History, Culture and Management if exotic plants and animals: issues for nature conservation . Rotherham, L. D. (gol.). Cyfrol 4. t. 87-88

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

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