Professor Andrew Pullin

Emeritus Professor

Contact info

Email: a.s.pullin@bangor.ac.uk

Web: LinkedIn ResearchGate

Twitter @aspullin

 

Research Interests: I am Director of the Centre for Evidence-Based Conservation and interested in the concept of evidence synthesis and evidence-based practice in environmental management. In 2007 I co-founded the Collaboration for Environmental Evidence (CEE, www.environmentalevidence.org), an NGO that promotes the conduct and dissemination of systematic reviews of evidence on environmental impacts of human actions and effectiveness of environmental management and policy interventions worldwide. The CEE acts as a reliable, open-access, source of evidence to inform decision making in conservation and environmental management and policy. Current interests include imp[roving the rigour and efficiency of evidence synthesis methods and improving communication of findings to diverse audiences. I am also Editor of the CEE Journal ‘Environmental Evidence’.

  1. Erthygl › Ymchwil › Adolygwyd gan gymheiriaid
  2. Cyhoeddwyd

    Human well-being impacts of terrestrial protected areas

    Pullin, A. S., Bangpan, M., Dalrymple, S., Dickson, K., Haddaway, N. R., Healey, J. R., Hauari, H., Hockley, N., Jones, J. P. G., Knight, T., Vigurs, C. & Oliver, S., 28 Hyd 2013, Yn: Environmental Evidence. 2, t. article 19

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  3. Cyhoeddwyd

    Impact of forest co-management programs on forest conditions in Malawi

    Chinangwa, L., Pullin, A. & Hockley, N., 16 Maw 2017, Yn: Journal of Sustainable Forestry. 36, 4, t. 338-357

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  4. Cyhoeddwyd

    Impacts of grazing on lowland heathland in north-west Europe.

    Newton, A. C., Stewart, G. B., Myers, G., Diaz, A., Lake, S., Bullock, J. M. & Pullin, A. S., 1 Mai 2009, Yn: Biological Conservation. 142, 5, t. 935-947

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  5. Cyhoeddwyd

    Is nest predator exclusion an effective strategy for enhancing bird populations?

    Smith, R. K., Pullin, A. S., Stewart, G. B. & Sutherland, W. J., 1 Ion 2011, Yn: Biological Conservation. 144, 1, t. 1-10

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  6. Cyhoeddwyd

    Linking reductionist science and holistic policy using systematic reviews: unpacking environmental policy questions to construct an evidence-based framework.

    Pullin, A. S., Knight, T. M. & Watkinson, A. R., 1 Hyd 2009, Yn: Journal of Applied Ecology. 46, 5, t. 970-975

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  7. Cyhoeddwyd

    Livelihoods and Welfare Impacts of Forest Comanagement

    Chinangwa, L., Pullin, A. & Hockley, N., 2016, Yn: International Journal of Forestry Research. 2016, 12 t., 5847068.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  8. Cyhoeddwyd

    Mixing and matching: using qualitative methods to improve quantitative impact evaluations (IEs) and systematic reviews (SRs) of development outcomes

    Jimenez, E., Waddington, H., Goel, N., Prost, A., Pullin, A., White, H., Lahiri, S. & Narain, A., 30 Tach 2018, Yn: Journal of Development Effectiveness. 10, 4, t. 400-421

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  9. Cyhoeddwyd

    On the surrogate value of red-listed butterflies for butterflies and grasshoppers: a case study in Grammos site of Natura 2000, Greece.

    Zografou, K., Sfenthourakis, S., Pullin, A. S. & Kati, V., 1 Hyd 2009, Yn: Journal Of Insect Conservation. 13, 5, t. 505-514

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  10. Cyhoeddwyd

    One Hundred Questions of Importance to the Conservation of Global Biological Diversity.

    Sutherland, W. J., Adams, W. M., Aronson, R. B., Aveling, R., Blackburn, T. M., Broad, S., Ceballos, G., Cote, I. M., Cowling, R. M., Da Fonseca, G. A., Dinerstein, E., Ferraro, P. J., Fleishman, E., Gascon, C., Hunter, M., Hutton, J., Kareiva, P., Kuria, A., MacDonals, D. W., MacKinnon, K., Madgwick, F. J., Mascia, M. B., McNeely, J., Milner-Gulland, E. J., Moon, S., Morley, C. G., Nelson, S., Osborn, D., Pai, M., Parsons, E. C., Peck, L. S., Possingham, H., Prior, S. V., Pullin, A. S., Rands, M. R., Ranganathan, J., Redford, K. H., Rodriguez, J. P., Seymour, F., Sobel, J., Sodhi, N. S., Stott, A., Vance-Borland, K. & Watkinson, A., 1 Meh 2009, Yn: Conservation Biology. 23, 3, t. 557-567

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  11. Cyhoeddwyd

    Persistence of species in a fragmented urban landscape: the importance of dispersal ability and habitat availability for grassland butterflies.

    Wood, B. C. & Pullin, A. S., 1 Awst 2002, Yn: Biodiversity and Conservation. 11, 8, t. 1451-1468

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  12. Cyhoeddwyd

    Phylogenetic relationships in brown argus butterflies (Lepidoptera : Lycaenidae : Aricia) from north-western Europe.

    Aagaard, K., Hindar, K., Pullin, A. S., James, C. H., Hammarstedt, O., Balstad, T. & Hanssen, O., 1 Ion 2002, Yn: Biological Journal of the Linnean Society. 75, 1, t. 27-37

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  13. Cyhoeddwyd

    Phylogeography of the marsh fritillary Euphydryas aurinia (Lepidoptera : Nymphalidae) in the UK.

    Joyce, D. A. & Pullin, A. S., 1 Ion 2001, Yn: Biological Journal of the Linnean Society. 72, 1, t. 129-141

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  14. Cyhoeddwyd

    Phylogeography, genetic diversity and conservation of the large copper butterfly Lycaena dispar in Europe.

    Lai, B. C. & Pullin, A. S., 1 Maw 2004, Yn: Journal Of Insect Conservation. 8, 1, t. 27-36

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  15. Cyhoeddwyd

    Poor evidence-base for assessment of windfarm impacts on birds.

    Stewart, G. B., Pullin, A. S. & Coles, C. F., 1 Maw 2007, Yn: Environmental Conservation. 34, 1, t. 1-11

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  16. Cyhoeddwyd

    Potential types of bias when estimating causal effects in environmental research and how to interpret them

    Konno, K., Gibbons, J., Lewis, R. & Pullin, A., 7 Chwef 2024, Yn: Environmental Evidence. 13, 1, 1.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  17. Cyhoeddwyd

    ROSES RepOrting standards for Systematic Evidence Syntheses: pro forma, flow-diagram and descriptive summary of the plan and conduct of environmental systematic reviews and systematic maps.

    Haddaway, N. R., Macura, B., Whalley, P. & Pullin, A. S., 19 Maw 2018, Yn: Environmental Evidence. 7, 7, 8 t., 7.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  18. Cyhoeddwyd

    Realizing an effectiveness revolution in environmental management

    Keene, M. & Pullin, A. S., Medi 2011, Yn: Journal of Environmental Management. 92, 9, t. 2130-2135

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  19. Cyhoeddwyd

    Response to Griffiths. Mismatches between conservation science and practice

    Sutherland, W. J., Pullin, A., Dolman, P. M. & Knight, T. M., 1 Tach 2004, Yn: Trends in Ecology and Evolution. 19, 11, t. 565-566

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  20. Cyhoeddwyd

    Response to Mathevet and Mauchamp: Evidence-based conservation: dealing with social issues.

    Sutherland, W. J., Pullin, A., Dolman, P. M. & Knight, T. M., 1 Awst 2005, Yn: Trends in Ecology and Evolution. 20, 8, t. 424-425

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  21. Cyhoeddwyd

    Save the Whales? Save the Rainforest? Save the Data!

    Pullin, A. S. & Salafsky, N., 15 Gorff 2010, Yn: Conservation Biology. 24, 4, t. 915-917

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  22. Cyhoeddwyd

    Selecting appropriate methods of knowledge synthesis to inform biodiversity policy

    Pullin, A., Frampton, G., Jongman, R., Kohl, C., Livoreil, B., Lux, A., Pataki, G., Petrokofsky, G., Podhora, A., Saarikoski, H., Santamaria, L., Schindler, S., Sousa-Pinto, I., Vandewalle, M. & Wittmer, H., 1 Meh 2016, Yn: Biodiversity and Conservation. 25, 7, t. 1285-1300

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  23. Cyhoeddwyd

    Selection for discontinuous life-history traits along a continuous thermal gradient in the butterfly Aricia agestis.

    Burke, S., Pullin, A. S., Wilson, R. J. & Thomas, C. D., 1 Rhag 2005, Yn: Ecological Entomology. 30, 6, t. 613-619

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  24. Cyhoeddwyd

    Standardized reporting of the costs of management interventions for biodiversity conservation

    Iacona, G. D., Sutherland, W. J., Mappin, B., Adams, V. M., Armsworth, P. R., Coleshaw, T., Cook, C., Craigie, I., Dicks, L. V., Fitzsimons, J. A., McGowan, J., Plumptre, A. J., Polak, T., Pullin, A. S., Ringma, J., Rushworth, I., Santangeli, A., Stewart, A., Tulloch, A., Walsh, J. C. & Possingham, H. P., Hyd 2018, Yn: Conservation Biology. 32, 5, t. 979-988 10 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  25. Cyhoeddwyd

    Standards of conduct and reporting in evidence syntheses that could inform environmental policy and management decisions

    Pullin, A. S., Cheng, S. H., Jackson, J. DU., Eales, J., Envall, I., Fada, S. J., Frampton, G. K., Harper, M., Kadykalo, A. N., Kohl, C., Konno, K., Livoreil, B., Ouédraogo, D-Y., O’Leary, B. C., Pullin, G., Randall, N., Rees, R., Smith, A., Sordello, R., Sterling, E. J., Twardek, W. M. & Woodcock, P., 19 Ebr 2022, Yn: Environmental Evidence. 11, 1, 16.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  26. Cyhoeddwyd

    Strengthen causal models for better conservation outcomes for human well-being

    Cheng, S. H., McKinnon, M. C., Masuda, Y. J., Garside, R., Jones, K. W., Miller, D. C., Pullin, A. S., Sutherland, W. J., Augustin, C., Gill, D. A., Wongbusarakum, S. & Wilkie, D., 20 Maw 2020, Yn: PLoS ONE. 15, 3, t. e0230495

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  27. Cyhoeddwyd

    Support for decision-making in conservation practice: an evidence based approach

    Knight, T. & Pullin, A. S., 1 Ion 2003, Yn: Journal for Nature Conservation. 11, 2, t. 83-90

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  28. Cyhoeddwyd

    Temperate marine reserves: global ecological effects and guidelines for future networks

    Stewart, G. B., Kaiser, M. J., Cote, I. M., Halpern, B. S., Lester, S. E., Bayliss, H. R. & Pullin, A. S., Rhag 2009, Yn: Conservation Letters. 2, 6, t. 243-253

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  29. Cyhoeddwyd

    The CEEDER database of evidence reviews: An open-access evidence service for researchers and decision-makers

    Konno, K., Cheng, S. H., Eales, J., Frampton, G., Kohl, C., Livoreil, B., Macura, B., O'Leary, B., Randall, N., Taylor, J., Woodcock, P. & Pullin, A., 1 Rhag 2020, Yn: Environmental Science and Policy. 114, t. 256-262

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  30. Cyhoeddwyd

    The effectiveness of asulam for bracken (Pteridium aquilinum) control in the united kingdom: A meta-analysis.

    Stewart, G. B., Pullin, A. & Tyler, C., 1 Tach 2007, Yn: Environmental Management. 40, 5, t. 747-760

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  31. Cyhoeddwyd

    The effectiveness of management interventions for the control of Spartina species: a systematic review and meta-analysis.

    Roberts, P. D. & Pullin, A. S., 1 Gorff 2008, Yn: Aquatic Conservation: Marine and Freshwater Ecosystems. 18, 5, t. 592-618

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  32. Cyhoeddwyd

    The effectiveness of management interventions used to control Ragwort species.

    Roberts, P. D. & Pullin, A. S., 1 Mai 2007, Yn: Environmental Management. 39, 5, t. 691-706

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  33. Cyhoeddwyd

    The effects of flooding on survivorship in overwintering larvae of the large copper butterfly Lycaena dispar batavus (Lepidoptera : Lycaenidae), and its possible implications for restoration management.

    Nicholls, C. N. & Pullin, A. S., 1 Ion 2003, Yn: European Journal of Entomology. 100, 1, t. 65-72

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  34. Cyhoeddwyd

    The evidence base for community forest management as a mechanism for supplying global environmental benefits and improving local welfare.

    Bowler, D., Buyung-Ali, L., Healey, J., Jones, J. P. G., Knight, T. & Pullin, A., 2010, Yn: Environmental Evidence. SR48.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  35. Cyhoeddwyd

    The fitness consequences of inbreeding in natural populations and their implications for species conservation – a systematic map

    Eales, J. F., Neaves, L. E., Eales, J., Whitlock, R., Hollingsworth, P. M., Burke, T. & Pullin, A. S., 26 Chwef 2015, Yn: Environmental Evidence. 4, 5

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  36. Cyhoeddwyd

    The identification of 100 ecological questions of high policy relevance in the UK.

    Sutherland, W. J., Armstrong-Brown, S., Armsworth, P. R., Brereton, T., Brickland, J., Campbell, C. D., Chamberlain, D. E., Cooke, A. I., Dulvy, N. K., Dusic, N. R., Fitton, M., Freckleton, R. P., Godfray, H. C., Grout, N., Harvey, H. J., Hedley, C., Hopkins, J. J., Kift, N. B., Kirby, J., Kunin, W. E., MacDonald, D. W., Marker, B., Naura, M., Neale, A. R., Oliver, T., Osborn, D., Pullin, A. S., Shardlow, M. E., Showler, D. A., Smith, P. L., Smithers, R. J., Solandt, J. L., Spencer, J., Spray, C. J., Thomas, C. D., Thompson, J., Webb, S. E., Yalden, D. W. & Watkinson, A. R., 1 Awst 2006, Yn: Journal of Applied Ecology. 43, 4, t. 617-627

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  37. Cyhoeddwyd

    The identification of priority policy options for UK nature conservation

    Sutherland, W. J., Albon, S. D., Allison, H., Armstrong-Brown, S., Bailey, M. J., Brereton, T., Boyd, I. L., Carey, P., Edwards, J., Gill, M., Hill, D., Hodge, I., Hunt, A. J., Le Quesne, W. J. F., Macdonald, D. W., Mee, L. D., Mitchell, R., Norman, T., Owen, R. P., Parker, D., Prior, S. V., Pullin, A. S., Rands, M. R. W., Redpath, S., Spencer, J., Spray, C. J., Thomas, C. D., Tucker, G. M., Watkinson, A. R. & Clements, A., Hyd 2010, Yn: Journal of Applied Ecology. 47, 5, t. 955-965

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  38. Cyhoeddwyd

    The need for evidence-based conservation.

    Sutherland, W. J., Pullin, A. S., Dolman, P. M. & Knight, T. M., 1 Meh 2004, Yn: Trends in Ecology and Evolution. 19, 6, t. 305-308

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  39. Cyhoeddwyd

    The policy role of systematic reviews: Past, present and future

    Haddaway, N. R. & Pullin, A. S., 29 Hyd 2014, Yn: Springer Science Reviews. 2, 1-2, t. 179-183

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  40. Cyhoeddwyd

    The relative importance of grazing stock type and grazing intensity for conservation of mesotrophic 'old meadow' pasture.

    Stewart, G. B. & Pullin, A. S., 1 Hyd 2008, Yn: Journal for Nature Conservation. 16, 3, t. 175-185

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  41. Cyhoeddwyd

    The reliability of evidence review methodology in environmental science and conservation

    O'Leary, B., Kvist, K., Bayliss, H. R., Derroire, G., Healey, J., Hughes, K., Kleinschroth, F., Sciberras, M., Woodcock, P. & Pullin, A., 1 Hyd 2016, Yn: Environmental Science and Policy. 64, t. 75-82

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  42. Cyhoeddwyd

    The why, what, and how of global biodiversity indicators beyond the 2010 target.

    Jones, J. P. G., Collen, B., Atkinson, G., Baxter, P. W., Bubb, P., Illian, J. B., Katzner, T. E., Keane, A., Loh, J., McDonald-Madden, E., Nicholson, E., Pereira, H. M., Possingham, H. P., Pullin, A. S., Rodrigues, A. S., Ruiz-Gutierrez, V., Sommerville, M. & Milner-Gulland, E. J., 17 Tach 2010, Yn: Conservation Biology.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  43. Cyhoeddwyd

    Understanding community criteria for assessing forest co-management programmes: evidence from Malawi

    Chinangwa, L., Pullin, A. S. & Hockley, N., 1 Maw 2017, Yn: International Forestry Review. 19, 1, t. 17-28 12 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  44. Cyhoeddwyd

    Understanding the Impacts of Research Synthesis

    Wyborn, C., Louder, E., Harrison, J., Montambault, J., Montana, J., Ryan, M., Bednarek, A., Nesshover, C., Pullin, A., Reed, M., Dellecker, E., Kramer, J., Boyd, J., Dellecker, A. & Hutton, J., Awst 2018, Yn: Environmental Science and Policy. 86, t. 72-84

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  45. Cyhoeddwyd

    Urban greening to cool towns and cities: a systematic review of the empirical evidence.

    Knight, T. M., Bowler, D. E., Buyung-Ali, L. M., Knight, T. & Pullin, A. S., 15 Medi 2010, Yn: Landscape and Urban Planning. 97, 3, t. 147-155

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  46. Cyhoeddwyd

    Using genetics to inform re-introduction strategies for the Chequered Skipper butterfly (Carterocephalus palaemon, Pallas) in England.

    Joyce, D. A. & Pullin, A. S., 1 Maw 2004, Yn: Journal Of Insect Conservation. 8, 1, t. 69-74

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  47. 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 gyfnodolynErthygladolygiad gan gymheiriaid

  48. Cyhoeddwyd

    Wild dog reintroductions in South Africa: a systematic review and cross-validation of an endangered species recovery programme.

    Gusset, M., Stewart, G. B., Bowler, D. E. & Pullin, A. S., 1 Awst 2010, Yn: Journal for Nature Conservation. 18, 3, t. 230-234

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  49. Cyhoeddwyd

    Your evidence or mine? Systematic evaluation of reviews of marine protected area effectiveness

    Woodcock, P., O'Leary, B., Kaiser, M. & Pullin, A., Gorff 2017, Yn: Fish and Fisheries. 18, 4, t. 668-681

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  50. Golygyddiad › Ymchwil › Adolygwyd gan gymheiriaid
  51. 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 gyfnodolynGolygyddiadadolygiad gan gymheiriaid

  52. 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 gyfnodolynGolygyddiadadolygiad gan gymheiriaid