1. 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2. Cyhoeddwyd

   Household economy, forest dependency & opportunity costs of conservation in eastern rainforests of Madagascar

   Poudyal, M., Rakotonarivo, O. S., Razafimanahaka, J. H., Hockley, N. & Jones, J. P. G., 23 Hyd 2018, Yn: Scientific data. 5, 180225.

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

3. Cyhoeddwyd

   Who bears the cost of forest conservation?

   Poudyal, M., Jones, J. P. G., Rakotonarivo, O. S., Hockley, N., Gibbons, J. M., Mandimbiniaina, R., Rasoamanana, A., Andrianantenaina, N. S. & Ramamonjisoa, B. S., 5 Gorff 2018, Yn: PeerJ. 6, e5106.

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

4. Cyhoeddwyd

   Can REDD+ social safeguards reach the ‘right’ people? Lessons from Madagascar

   Poudyal, M., Ramamonjisoa, B. S., Hockley, N., Rakotonarivo, O. S., Gibbons, J. M., Mandimbiniaina, R., Rasoamanana, A. & Jones, J. P. G., Maw 2016, Yn: Global Environmental Change. 37, t. 31-42

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

5. Cyhoeddwyd

   TESSA: A toolkit for rapid assessment of ecosystem services at sites of biodiversity conservation importance

   Peh, K. S. -H., Balmford, A., Bradbury, R. B., Brown, C., Butchart, S. H. M., Hughes, F. M. R., Stattersfield, A., Thomas, D. H. L., Walpole, M., Bayliss, J., Gowing, D., Jones, J. P. G., Lewis, S. L., Mulligan, M., Pandeya, B., Stratford, C., Thompson, J. R., Turner, K., Vira, B., Willcock, S. & Birch, J. C., Medi 2013, Yn: Ecosystem Services. 5, t. 51-57

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

6. Cyhoeddwyd

   Biodiversity conservation as a promising frontier for behavioural science

   Nielsen, K. S., Marteau, T. M., Bauer, J. M., Bradbury, R. B., Broad, S., Burgess, G., Burgman, M. A., Byerly, H., Clayton, S., Espelosin, D., Ferraro, P. J., Fisher, B., Garnett, E. E., Jones, J. P. G., Otieno, M., Polasky, S., Ricketts, T. H., Trevelyan, R., van der Linden, S., Verissimo, D. & Balmford, A., Mai 2021, Yn: Nature Human Behaviour. 5, 5, t. 550-556

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

7. Cyhoeddwyd

   Making Robust Policy Decisions Using Global Biodiversity Indicators

   Nicholson, E., Collen, B., Barausse, A., Blanchard, J. L., Costelloe, B. T., Sullivan, K. M. E., Underwood, F. M., Burn, R. W., Fritz, S., Jones, J. P. G., McRae, L., Possingham, H. P. & Milner-Gulland, E. J., 18 Gorff 2012, Yn: PLoS ONE. 7, 7, e41128.

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

8. Cyhoeddwyd

   Spatial patterns of carbon, biodiversity, deforestation threat, and REDD+ projects in Indonesia

   Murray, J. P., Grenyer, R., Wunder, S., Raes, N. & Jones, J. P. G., 10 Ebr 2015, Yn: Conservation Biology. 29, 5, t. 1434-1445

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

9. Cyhoeddwyd

   Organic carbon stocks in all pools following land cover change in the rainforest of Madagascar.

   Mieja, R., Andriamananjara, A., Razafimbelo, T., Hewson, J., Andrisoa, R., Jones, J. P. G., van Meerveld, I., Cameron, A., Ranaivoson, N., Ramifehiarivo, N., Ramboatiana, N., Razafinarivo, R., Ramananantoandro, T., Rasolohery, A., Razafimanantsoa, M., Jourdan, C., Saint-André, L., Rajoelison, G. & Razakamanarivo, H., 2018, Soil Management and Climate Change: Effects on Organic Carbon, Nitrogen Dynamics, and Greenhouse Gas Emissions. Muñoz, M. & Zornoza, R. (gol.). Academic Press, Elsevier, t. 25-37 12 t.

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

10. Cyhoeddwyd

    Sustainability: root targets in consensus

    Maxwell, S. & Jones, J. P. G., 23 Hyd 2014, Yn: Nature. 514, 7523, t. 434-434

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

11. Cyhoeddwyd

    Being smart about SMART environmental targets

    Maxwell, S. L., Milner-Gulland, E. J., Jones, J. P. G., Knight, A. T., Bunnefeld, N., Nuno, A., Bal, P., Earle, S., Watson, J. E. M. & Rhodes, J. R., 6 Maw 2015, Yn: Science. 347, 6226, t. 1075-1076

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

12. Cyhoeddwyd

    Global no net loss of natural ecosystems

    Maron, M., Simmonds, J. S., Watson, J. E. M., Sonter, L. J., Bennun, L., Griffiths, V. F., Quétier, F., von Hase, A., Edwards, S., Rainey, H., Bull, J. W., Savy, C. E., Victurine, R., Kiesecker, J., Puydarrieux, P., Stevens, T., Cozannet, N. & Jones, J. P. G., Ion 2020, Yn: Nature Ecology and Evolution. 4, 1, t. 46-49 33.

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

13. Cyhoeddwyd

    Nature positive must incorporate, not undermine, the mitigation hierarchy

    Maron, M., Quétier, F., Sarmiento, M., ten Kate, K., Evans, M. C., Bull, J. W., Jones, J. P. G., zu Ermgassen, S. O. S. E., Milner-Gulland, E. J., Brownlie, S., Treweek, J. & von Hase, A., 21 Medi 2023, Yn: Nature Ecology and Evolution.

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

14. Cyhoeddwyd

    Evidence of anticipatory forest use behaviours under policy introduction: a systematic map protocol

    Llopis, J. C., Haddaway, N. R., Omirbek, N., Simmons, B. A., Garrett, R. & Jones, J. P. G., 2023, Yn: Environmental Evidence. 12, 1, 20.

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

15. Cyhoeddwyd

    To what extent do potential conservation donors value community-aspects of conservation projects in low income countries?

    Lewis, A., Young, R. P., Gibbons, J. & Jones, J. P. G., 16 Chwef 2018, Yn: PLoS ONE. 13, 2, e0192935.

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

16. Cyhoeddwyd

    Modelling the effect of individual strategic behaviour on community-level outcomes of conservation interventions

    Keane, A., Jones, J. P. G. & Milner-Gulland, E. J., Rhag 2012, Yn: Environmental Conservation. 39, 4, t. 305-315

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

17. Cyhoeddwyd

    Evidence for the effects of environmental engagement and education on knowledge of wildlife laws in Madagascar.

    Keane, A., Ramarolahy, A. A., Jones, J. P. G. & Milner-Gulland, E. J., 1 Chwef 2011, Yn: Conservation Letters. 4, 1, t. 55-63

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

18. Cyhoeddwyd

    Encounter data in resource management and ecology: pitfalls and possibilities

    Keane, A., Jones, J. P. G. & Milner-Gulland, E. J., Hyd 2011, Yn: Journal of Applied Ecology. 48, 5, t. 1164-1173

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

19. Cyhoeddwyd

    The sleeping policeman: understanding issues of enforcement and compliance in conservation.

    Keane, A., Jones, J. P. G., Edwards-Jones, G. & Milner-Gulland, E. J., 1 Ebr 2008, Yn: Animal Conservation. 11, 2, t. 75-82

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

20. Cyhoeddwyd

    Stocks and flows of natural and human-derived capital in ecosystem services

    Jones, L., Norton, L., Austin, Z., Browne, A. L., Donovan, D., Emmett, B. A., Grabowski, Z. J., Howard, D. C., Jones, J. P. G., Kenter, J. O., Manley, W., Morris, C., Robinson, D. A., Short, C., Siriwardena, G. M., Stevens, C. J., Storkey, J., Waters, R. D. & Willis, G. F., 29 Rhag 2015, Yn: Land Use Policy. 52, t. 151–162

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

21. Cyhoeddwyd

    Getting what you pay for: the challenge of measuring success in conservation

    Jones, J. P. G., Meh 2012, Yn: Animal Conservation. 15, 3, t. 227-228

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

22. 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

23. Cyhoeddwyd

    Net Gain: Seeking better outcomes for local people when mitigating biodiversity loss from development

    Jones, J. P. G., Bull, J. W., Roe, D., Baker, J., Griffiths, V. F., Starkey, M., Sonter, L. J. & Milner-Gulland, EJ., 25 Hyd 2019, Yn: One Earth. 1, 2, t. 195-201

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

24. Cyhoeddwyd

    Population regulation and demography in a harvested freshwater crayfish from Madagascar.

    Jones, J. P. G. & Coulson, T., 1 Maw 2006, Yn: Oikos. 112, 3, t. 602-611

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

25. Cyhoeddwyd

    Monitoring species abundance and distribution at the landscape scale.

    Jones, J. P. G., 7 Ion 2011, Yn: Journal of Applied Ecology. 48, 1, t. 9-13

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

26. Cyhoeddwyd

    The economic importance of freshwater crayfish harvesting in Madagascar and the potential of community-based conservation to improve management.

    Jones, J. P. G., Andriahajaina, F. B., Ranambinintsoa, E. H., Hockley, N. J. & Ravoahangimalala, O., 1 Ebr 2006, Yn: Oryx. 40, 2, t. 168-175

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

27. Cyhoeddwyd

    A multidisciplinary approach to assessing the sustainability of freshwater crayfish harvesting in Madagascar.

    Jones, J. P. G., Andriahajaina, F. B., Hockley, N. J., Balmford, A. & Ravoahangimalala, O., 1 Rhag 2005, Yn: Conservation Biology. 19, 6, t. 1863-1871

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

28. Cyhoeddwyd

    The ecology and conservation status of Madagascar's endemic freshwater crayfish (Parastacidae; Astacoides).

    Jones, J. P. G., Andriahajaina, F. B., Hockley, N. J., Crandall, K. A. & Ravoahangimalala, O. R., 1 Medi 2007, Yn: Freshwater Biology. 52, 9, t. 1820-1833

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

29. Cyhoeddwyd

    The perfect invader: a parthenogenic crayfish poses a new threat to Madagascar's freshwater biodiversity.

    Jones, J. P. G., Rasamy, J. R., Harvey, A., Toon, A., Oidtmann, B., Randrianarison, M. H., Raminosoa, N. & Ravoahangimalala, O. R., 1 Meh 2009, Yn: Biological Invasions. 11, 6, t. 1475-1482

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

30. Cyhoeddwyd

    An unprecedented opportunity for biodiversity conservation? Hopes and fears surrounding international payments for ecosystem services.

    Jones, J. P. G. & Gardner, T., 1 Ion 2008, Yn: Oryx. 42, 1, t. 17

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

31. Cyhoeddwyd

    Nature documentaries and saving nature: reflections on the new Netflix series Our Planet

    Jones, J. P. G., Thomas-Walters, L., Rust, N. A. & Verissimo, D., Rhag 2019, Yn: People and Nature. 1, 4, t. 420-425

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

32. Cyhoeddwyd

    Testing the use of interviews as a tool for monitoring trends in the harvesting of wild species

    Jones, J. P. G., Andriamarovololona, M. M., Hockley, N., Gibbons, J. M. & Milner-Gulland, E. J., 28 Meh 2008, Yn: Journal of Applied Ecology. 45, 4, t. 1205-1212

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

33. Cyhoeddwyd

    Last chance for Madagascar’s biodiversity

    Jones, J. P. G., Ratsimbazafy, J., Ratsifandrihamanana, A. N., Watson, J. E. M., Andrianandrasana, H. T., Cabeza, M., Cinner, J. E., Goodman, S. M., Hawkins, F., Mittermeier, R. A., Rabearisoa, A. L., Rakotonarivo, O. S., Razafimanahaka, J. H., Razafimpahanana, A. R., Wilmé, L. & Wright, P. C., 29 Ebr 2019, Yn: Nature Sustainability . 2, 5, t. 350-352

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

34. Cyhoeddwyd

    Madagascar: Crime threatens biodiversity

    Jones, J. P. G., Ratsimbazafy, J., Ratsifandrihamanana, A. N., Watson, J. E. M., Andrianandrasana, H. T., Cabeza, M., Cinner, J. E., Goodman, S. M., Hawkins, F., Mittermeier, R. A., Rabearisoa, A. L., Rakotonarivo, O. S., Razafimanahaka, J. H., Razafimpahanana, A. R., Wilmé, L. & Wright, P. C., 22 Chwef 2019, Yn: Science. 363, 6429, t. 825-825

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

35. Cyhoeddwyd

    The importance of taboos and social norms to conservation in Madagascar.

    Jones, J. P. G., Andriamarovololona, M. M. & Hockley, N., 1 Awst 2008, Yn: Conservation Biology. 22, 4, t. 976-986

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

36. Cyhoeddwyd

    Forest carbon offsets are failing

    Jones, J. P. G. & Lewis, S. L., 25 Awst 2023, Yn: Science. 381, 6660, t. 830-831 2 t.

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

37. Cyhoeddwyd

    The potential of native species aquaculture to achieve conservation objectives: freshwater crayfish in Madagascar

    Jones, J. P. G., Hockley, N. J. & Andriahajaina, F. B., 1 Rhag 2007, Yn: International Journal of Biodiversity Science and Management. 3, 4, t. 217-222

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

38. Cyhoeddwyd

    Human migration to the forest frontier: implications for land use change and conservation management

    Jones, J. P. G., Mandimbiniaina, R., Kelly, R., Ranjatson, P., Rakotojoelina, B., Schreckenberg, K. & Poudyal, M., Meh 2018, Yn: Geo: Geography and Environment. 5, 1, e00050.

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

39. Cyhoeddwyd

    Forest Conservation in Madagascar: Past, Present, and Future

    Jones, J. P. G., Rakotonarivo, O. S. & Razafimanahaka, J. H., 15 Tach 2022, The New Natural History of Madagascar. Goodman, S. M. (gol.). Princeton University Press

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

40. Cyhoeddwyd

    Analysis of Patterns of Bushmeat Consumption Reveals Extensive Exploitation of Protected Species in Eastern Madagascar

    Jenkins, R., Keane, A., Rakotoarivelo, A. R., Rakotomboavonjy, V., Randrianandrianina, F. H., Razafimanahaka, H. J., Ralaiarimalala, S. R. & Jones, J. P. G., 14 Rhag 2011, Yn: PLoS ONE. 6, 12, t. e27570

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

41. Cyhoeddwyd

    Asking sensitive questions in conservation using Randomised Response Techniques

    Ibbett, H., Jones, J. P. G. & St John, F. A. V., 1 Awst 2021, Yn: Biological Conservation. 260, 109191.

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

42. Cyhoeddwyd

    Experimental Validation of Specialised Questioning Techniques in Conservation

    Ibbett, H., Dorward, L., Dwiyahreni, A. A., Jones, J. P. G., Kaduma, J., Kohi, E. M., Mchomvu, J., Prayitno, K., Sabiladiyni, H., Sankeni, S., Saputra, A. W., Supriatna, J. & St John, F. A. V., Hyd 2022, Yn: Conservation Biology.

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

43. Cyhoeddwyd

    A mixed methods approach for measuring topic sensitivity in conservation

    Ibbett, H., Jones, J. P. G., Dorward, L., Kohi, E. M., Dwiyahreni, A. A., Prayitno, K., Sankeni, S., Kaduma, J., Mchomvu, J., Saputra, A. W., Sabiladiyni, H., Supriatna, J. & St John, F. A. V., 1 Awst 2023, Yn: People and Nature. 5, 4, t. 1245-1261 17 t.

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

44. Cyhoeddwyd

    Topic sensitivity still affects honest responding, even when specialized questioning techniques are used

    Ibbett, H., Dorward, L., Jones, J. P. G., Kohi, E. M., Sankeni, S., Kaduma, J., Mchomvu, J., Mawenya, R. & St. John, F. A. V., Meh 2023, Yn: Conservation Science and Practice. 5, 6, e12927.

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

45. Cyhoeddwyd

    When should communities and conservationists monitor exploited resources?

    Hockley, N. J., Jones, J. P. G., Andriahajaina, F. B., Manica, A., Ranambitsoa, E. H. & Randriamboahary, J. A., 1 Hyd 2005, Yn: Biodiversity and Conservation. 14, 11, t. 2795-2806

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

46. Cyhoeddwyd

    Technological progress must accelerate to reduce global footprint overshoot

    Hockley, N., Jones, J. P. G. & Gibbons, J. M., 1 Ebr 2008, Yn: Frontiers in Ecology and the Environment. 6, 3, t. 122-123

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

47. Cyhoeddwyd

    Land Change Modelling to Inform Strategic Decisions on Forest Cover and CO2 Emissions in Eastern Madagascar

    Hewson, J., Razafimanahaka, J. H., Wright, T. M., Mandimbiniaina, R., Mulligan, M., Jones, J. P. G., Van Soesbergen, A., Andriamananjara, A., Tabor, K., Rasolohery, A., Razakamanarivo, H., Razafindrakoto, M., Rianahary, A., Razafimbelo, T., Ranaivoson, N. & Harvey, C. A., Maw 2019, Yn: Environmental Conservation. 46, Special Issue 1, t. 25-33

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

48. Cyhoeddwyd

    In-kind conservation payments crowd in environmental values and increase support for government intervention: A randomized trial in Bolivia

    Grillos, T., Bottazzi, P., Crespo, D., Asquith, N. & Jones, J. P. G., Rhag 2019, Yn: Ecological Economics. 166, 106404.

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

49. 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

50. Cyhoeddwyd

    Should payments for biodiversity conservation be based on action or results?

    Gibbons, J. M., Nicholson, E., Milner-Gulland, E. J. & Jones, J. P. G., 1 Hyd 2011, Yn: Journal of Applied Ecology. 48, 5, t. 1218-1226

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