1. 2024
2. Cyhoeddwyd

   Herbal leys have no effect on soil porosity, earthworm abundance, and microbial community composition compared to a grass-clover ley in a sheep grazed grassland after 2-years

   Cooledge, E., Sturrock, C., Atkinson, B., Mooney, S., Brailsford, F., Murphy, D., Leake, J., Chadwick, D. & Jones, D. L., 1 Mai 2024, Yn: Agriculture, Ecosystems and Environment. 365, 108928.

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

3. Cyhoeddwyd

   Ash dieback in woodland nature reserves

   Peterken, G., Cracknell, D., Beamish, C. & Healey, J., Mai 2024, British Wildlife, 2024, May, t. 429 435 t.

   Allbwn ymchwil: Cyfraniad at gyhoeddiad arbenigol › Erthygl

4. E-gyhoeddi cyn argraffu

   Quantifying natural and anthropogenic impacts on streamflow and sediment load reduction in the upper to middle Yellow River Basin

   Ren, D., Liu, S., Wu, Y., Xiao, F., Patil, S., Dallison, R., Feng, S., Zhao, F., Qiu, L., Wang, S., Zhang, S. & Li, L., 1 Meh 2024, Yn: Journal of Hydrology: Regional Studies. 53, 101788.

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

5. Cyhoeddwyd

   Exploring Spatiotemporal Characteristics and Driving Forces of Straw Burning in Hunan Province, China, from 2010 to 2020

   Zeng, Y., Liu, S., Huang, S., Patil, S., Gao, W. & Li, H., 18 Ebr 2024, Yn: Remote Sensing. 16, 8

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

6. E-gyhoeddi cyn argraffu

   Heterogeneity of phosphorus sources invokes distinct niche partitioning pathways of ectomycorrhizal fungi in forest soils

   Lin, X., Ning, C., Liu, T., Gao, D., Smith, A., Yan, W. & Liu, S., 1 Gorff 2024, Yn: Soil Biology and Biochemistry.

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

7. Cyhoeddwyd

   The chamical interactions between phenolic resin and wood studied by liquid-state NMR spectroscopy

   Kupfernagel, C., Yelle, D., Spear, M., Pitman, A. & Ormondroyd, G., 15 Ebr 2024, t. 104-105. 2 t.

   Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

8. E-gyhoeddi cyn argraffu

   Soil pH and phosphorus availability regulate sulphur cycling in an 82-year-old fertilised grassland

   Wang, Q., Bauke, S., Döring, T., Yin, J., Cooledge, E., Jones, D. L., Chadwick, D., Tietema, A. & Bol, R., 1 Gorff 2024, Yn: Soil Biology and Biochemistry. 109436.

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

9. Cyhoeddwyd

   Needles in haystacks: monitoring the potential escape of bioaerosolised antimicrobial resistance genes from wastewater treatment plants with air and phyllosphere sampling

   George, P., Hillary, L., Leclerc, S., Cooledge, E., Lemieux, J., Duchaine, C. & Jones, D. L., 12 Ebr 2024, Yn: Canadian Journal of Microbiology.

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

10. Wedi ei Dderbyn / Yn y wasg

    A conceptual framework on the role of magnetic cues in songbird migration ecology

    Karwinkel, T., Peter, A., Holland, R., Thorup, K., Bairlein, F. & Schmaljohann, H., 10 Ebr 2024, (Wedi ei Dderbyn / Yn y wasg) Yn: Biological Reviews.

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

11. Wedi ei Dderbyn / Yn y wasg

    Amazon forest biogeography predicts resilience and vulnerability to drought

    Chen, S., Stark, S. C., Nobre, A. D., Cuartas, L. A., Amore, D. D. J., Restrepo-Coupe, N., Smith, M., Chitra-Tarak, R., Ko, H., Nelson, B. & Saleska, S. R., 5 Ebr 2024, (Wedi ei Dderbyn / Yn y wasg) Yn: Nature.

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

12. Cyhoeddwyd

    Potential sources and occurrence of macro-plastics and microplastics pollution in farmland soils: A typical case of China

    Ren, S., Wang, K., Zhang, J., Li, J., Zhang, H., Qi, R., Xu, W., Yan, C., Liu, X., Zhang, F., Jones, D. L. & Chadwick, D. R., 2 Ebr 2024, Yn: Critical Reviews in Environmental Science and Technology. 54, 7, t. 533-556 33 t.

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

13. Cyhoeddwyd

    Cattle production strategies to deliver protein with less land and lower environmental impact

    Henn, D., Duffy, C., Humphreys, J., Gibbons, J., Byrne, K. & Styles, D., 1 Ebr 2024, Yn: Journal of Environmental Management. 356, 120569.

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

14. Cyhoeddwyd

    Exploring spatial and temporal resilience in socio-ecological systems: evidence from sacred forests in Epirus, Greece.

    Marini Govigli, V., Healey, J., Wong, J., Stara, K., Tsiakiris, R. & Halley, J., 1 Ebr 2024, Yn: People and Nature.

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

15. Wedi ei Dderbyn / Yn y wasg

    The nature gaze: eye tracking experiment reveals wellbeing benefits derived visual attention toward elements of nature

    Fleming, W., 1 Ebr 2024, (Wedi ei Dderbyn / Yn y wasg) Yn: People and Nature.

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

16. Cyhoeddwyd

    The effect of observing trained conspecifics on the performance and motivation of goldfish, Carassius auratus, in a spatial task

    Blane, J. C. & Holland, R. A., Ebr 2024, Yn: Behavioural Processes. 217, 105021.

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

17. E-gyhoeddi cyn argraffu

    Ni(II)-binding affinity of CcNikZ-II and its homologs: the role of the HH-prong and variable loop revealed by structural and mutational studies

    Diep, P., Stogios, P. J., Evdokimova, E., Savchenko, A., Mahadevan, R. & Yakunin, A. F., 31 Maw 2024, (E-gyhoeddi cyn argraffu) Yn: Febs Journal.

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

18. Wedi ei Dderbyn / Yn y wasg

    Can spirituality save centuries-old trees and forests? A study from the mountains of NW Greece

    Stara, K., Tsiakiris, R., Wong, J., Healey, J., Marini Govigli, V. & Halley, J., 29 Maw 2024, (Wedi ei Dderbyn / Yn y wasg) Yn: Zygon: Journal of Religion and Science.

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

19. E-gyhoeddi cyn argraffu

    Integrated distance sampling models for simple point counts

    Kery, M., Royle, J. A., Hallman, T., Robinson, W. D., Strebel, N. & Kellner, K. F., 27 Maw 2024, (E-gyhoeddi cyn argraffu) Yn: Ecology. e4292.

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

20. E-gyhoeddi cyn argraffu

    Slurry acidification is as effective as slurry injection at reducing ammonia emissions without increasing N2O emissions: A short-term mesocosm study

    Langley-Randall, J., Jones, D. L., Cotton, J., Williams, J. R. & Chadwick, D. R., 1 Meh 2024, Yn: Geoderma Regional. 37, 00791.

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

21. E-gyhoeddi cyn argraffu

    The power of citizen science to advance fungal conservation

    Haelewaters, D., Quandt, C. A., Bartrop, L., Cazabonne, J., Crockatt, M. E., Cunha, S. P., De Lange, R., Dominici, L., Douglas, B., Drechsler-Santos, E. R., Heilmann-Clausen, J., Irga, P. J., Jakob, S., Lofgren, L., Martin, T. E., Muchane, M. N., Stallman, J. K., Verbeken, A., Walker, A. K. & Gonçalves, S. C., 22 Maw 2024, (E-gyhoeddi cyn argraffu) Yn: Conservation Letters. n/a, n/a, t. e13013

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

22. E-gyhoeddi cyn argraffu

    Herbal leys increase forage macro- and micronutrient content, spring lamb nutrition, liveweight gain, and reduce gastrointestinal parasites compared to a grass-clover ley

    Cooledge, E., Kendall, N., Leake, J., Chadwick, D. & Jones, D. L., 15 Meh 2024, Yn: Agriculture, Ecosystems and Environment. 367, 108991.

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

23. Cyhoeddwyd

    Responding to the UN sustainability goals in transdisciplinary partnership through network action learning

    Dreyer-Gibney, K., Coughlan, P., Coghlan, D., Wu, S-H., Bello-Dambatta, A., Dallison, R., McNabola, A., Novara, D., Rafique, A., Schestak, I., Spriet, J., Walker, N. & Williams, P., 20 Maw 2024, Yn: Environment, Development and Sustainability.

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

24. E-gyhoeddi cyn argraffu

    Co-benefits for net carbon emissions and rice yields through improved management of organic nitrogen and water

    Liu, B., Guo, C., Xu, J., Zhao, Q., Chadwick, D., Gao, X., Zhou, F., Lakshmanan, P., Wang, X., Guan, X., Zhao, H., Fang, L., Li, S., Bai, Z., Ma, L., Chen, X., Cui, Z., Shi, X., Zhang, F., Chen, X. & Li, Z., 14 Maw 2024, (E-gyhoeddi cyn argraffu) Yn: Nature Food. 5, t. 241-250 9 t.

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

25. E-gyhoeddi cyn argraffu

    Intraspecific functional traits and stable isotope signatures of ground-dwelling ants across an elevational gradient

    He, X., Liu, S., Nakamura, A., Ellwood, M. D. F., Zhou, S., Xing, S., Li, Y. & Wen, D., 14 Maw 2024, (E-gyhoeddi cyn argraffu) Yn: Soil Ecology Letters. 6, 4

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

26. E-gyhoeddi cyn argraffu

    Soil metabolomics - current challenges and future perspectives

    Brown, R., Reay, M. K., Centler, F., Chadwick, D., Bull, I. D., McDonald, J., Evershed, R. P. & Jones, D. L., 1 Meh 2024, Yn: Soil Biology and Biochemistry. 109382.

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

27. Cyhoeddwyd

    Improving well-being and reducing deforestation in Indonesia's protected areas

    Morgans, C. L., Jago, S., Andayani, N., Linkie, M., Lo, M. G. Y., Mumbunan, S., St. John, F. A. V., Supriatna, J., Voigt, M., Winarni, N., Santika, T. & Struebig, M., 6 Maw 2024, Yn: Conservation Letters. t. 1 11 t., e13010.

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

28. Cyhoeddwyd

    A review of bovine tuberculosis transmission risk in European wildlife communities

    Justus, W., Valle, S., Barton, O., Gresham, A. & Shannon, G., 1 Maw 2024, Yn: Mammal Review.

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

29. Cyhoeddwyd

    Net Zero requires ambitious greenhouse gas emission reductions on beef and sheep farms coordinated with afforestation and other land use change measures

    McNicol, L., Williams, N., Chadwick, D., Styles, D., Rees, R. M., Ramsey, R. & Williams, P., 1 Maw 2024, Yn: Agricultural Systems. 215, 103852, 103852.

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

30. Cyhoeddwyd

    Species-specific effects of mycorrhizal symbiosis on Populus trichocarpa after a lethal dose of copper

    Soltangheisi, A., Hales-Henao, A., Pena, R. & Tibbett, M., 1 Maw 2024, Yn: Ecotoxicology and Environmental Safety. 272, 116112.

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

31. E-gyhoeddi cyn argraffu

    Anthropogenic noise limits resource distribution without changing social hierarchies

    Tidau, S. & Briffa, M., 28 Chwef 2024, (E-gyhoeddi cyn argraffu) Yn: Science of the Total Environment. 922, t. 171309 171309.

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

32. Cyhoeddwyd

    Gut bacteria may explain why grey squirrels outcompete reds – new research

    Shuttleworth, C., 20 Chwef 2024, The Conversation.

    Allbwn ymchwil: Cyfraniad at gyhoeddiad arbenigol › Erthygl

33. Cyhoeddwyd

    One Health: Circadian Medicine Benefits Both Non-human Animals and Humans Alike

    Farag, H., Murphy, B., Templeman, J., Hanlon, C., Joshua, J., Koch, T., Niel, L., Shoveller, A., Bedecarrats, G., Ellison, A., Wilcockson, D. & Martino, T., 20 Chwef 2024, Yn: Journal of Biological Rhythms.

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

34. Cyhoeddwyd

    The nutritional value of meat should be considered when comparing the carbon footprint of lambs produced on different finishing diets

    McNicol, L., Perkins, L., Gibbons, J., Scollan, N. D., Nugent, A., Thomas, E., Swancott, E., McRoberts, C., White, A., Chambers, S., Farmer, L. & Williams, P., 20 Chwef 2024, Yn: Frontiers in Sustainable Food Systems. 8, 1321288.

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

35. E-gyhoeddi cyn argraffu

    Parental material and climate jointly determine the biomass and diversity of soil microbial communities along an elevational gradient on a subtropical karst mountain

    He, X., Zeng, L., Zhu, G., Ellwood, M. D. F., Zhou, L., Huang, J., Wang, C., Li, W., Lin, D., Wei, P., Liu, S., Luo, M., Zhang, Y-H. & Yang, Y., 19 Chwef 2024, (E-gyhoeddi cyn argraffu) Yn: Journal of Biogeography.

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

36. E-gyhoeddi cyn argraffu

    Toward the integration of speciation research

    Stankowski, S., Cutter, A. D., Satokangas, I., Lerch, B. A., Rolland, J., Smadja, C. M., Marzal, J. C. S., Cooney, C. R., Feulner, P. G. D., Domingos, F. M. C. B., North, H. L., Yamaguchi, R., Butlin, R. K., Wolf, J. B. W., Coughlan, J., Heidbreder, P., Hernandez-Guttierrez, R., Barnard-Kubow, K. B., Peede, D., Rancilhac, L., Salvador, R. B., Thompson, K. A., Stacy, E. A., Moyle, L. C., Garlovsky, M. D., Maulana, A., Kantelinen, A., Cacho, N. I., Schneemann, H., Dominguez, M., Dopman, E. B., Lohsa, K., Rometsch, S. J., Comeault, A., Merrill, R. M., Scordato, E. S. C., Singhal, S., Parssinen, V., Lackey, A. C. R., Kumar, S., Meier, J. I., Barton, N., Fraisse, C., Ravinet, M. & Kulumni, J., 16 Chwef 2024, (E-gyhoeddi cyn argraffu) Yn: Evolutionary Journal of the Linnean Society. 3, 1

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

37. Cyhoeddwyd

    Significant differences in the caecal bacterial microbiota of red and grey squirrels in Britain

    Hall, L., Nichols, C., Leng, J., Martelli, F., Shuttleworth, C. & La Ragione, R., 14 Chwef 2024, Yn: Journal of Medical Microbiology. 73, 2

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

38. Wedi ei Dderbyn / Yn y wasg

    A framework for understanding the experience of nature through cognitive mapping

    Fleming, W., 13 Chwef 2024, (Wedi ei Dderbyn / Yn y wasg) Yn: Conservation Biology.

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

39. 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 gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

40. Cyhoeddwyd

    Changes in bacterial communities during rice cultivation remove phenolic constraints on peatland carbon preservation

    Qin, L., Tian, W., Freeman, C., Jia, Z., Yin, X., Gao, C., Zou, Y. & Jiang, M., 6 Chwef 2024, Yn: ISME Communications. 4, 1, ycae022.

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

41. E-gyhoeddi cyn argraffu

    Co(II)-doped hybrid Zn(II) tetraborate complexes, [ZnxCo(1-x)(1,3-dap)B4O7] (1,3-dap = 1,3-diaminopropane): BET analysis and N2/H2O/D2O adsorption studies

    Liu, L., Pan, C-Y., He, Y., Zhong, L-J. & Beckett, M., 5 Chwef 2024, (E-gyhoeddi cyn argraffu) Yn: Dalton Transactions. 53, 10, t. 4637-4642 6 t.

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

42. Cyhoeddwyd

    Agronomic amendments drive a diversity of real and apparent priming responses within a grassland soil

    Brown, R., Reed, E., Chadwick, D., Hill, P. & Jones, D. L., 1 Chwef 2024, Yn: Soil Biology and Biochemistry. 189, 109265.

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

43. Cyhoeddwyd

    Aboveground carbon sequestration of Cunninghamia lanceolata forests: Magnitude and drivers

    Wang, C., Liu, S., Zhu, Y., Smith, A., Ning, Y. & Deng, D., 24 Ion 2024, Yn: Forest Ecosystems. 100165.

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

44. Cyhoeddwyd

    Response of soil micro-food web to nutrient limitation along a subtropical forest restoration

    Gao, D., Liu, S., Gao, F., Ning, C., Wu, X., Yan, W. & Smith, A., 20 Ion 2024, Yn: Science of the Total Environment. 909, 168349, 168349.

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

45. Cyhoeddwyd

    Design considerations for eDNA metabarcoding surveys

    Perry, W. B., Pillay, K., George, P., Brennan, G., Lowe, A., Jones, L., Holman, L., Gibson, T., de Vere, N. & Creer, S., 19 Ion 2024, Applied Environmental Genomics. Berry, O. F., Holleley, C. E. & Jarman, S. N. (gol.). CRC Press

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod › adolygiad gan gymheiriaid

46. Cyhoeddwyd

    Bacillus indicus and Bacillus subtilis as alternative health and colouration promoters to synthetic astaxanthin in cyprinid aquaculture species.

    Baumgärtner, S., Creer, S., Jones, C., James, J. & Ellison, A., 15 Ion 2024, Yn: Aquaculture. 578, 740016.

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

47. Cyhoeddwyd

    Recent increase in species-wide diversity after interspecies introgression in the highly endangered Iberian lynx

    Lucena-Perez, M., Paijmans, J., Nocete, F., Nadal, J., Detry, C., Dalén, L., Hofreiter, M., Barlow, A. & Godoy, J., 15 Ion 2024, Yn: Nature Ecology and Evolution.

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

48. Cyhoeddwyd

    Molecular ecology of microbiomes in the wild: Common pitfalls, methodological advances and future directions

    Fountain-Jones, N. M., Giraud, T., Zinger, L., Bik, H., Creer, S. & Videvall, E., 12 Ion 2024, Yn: Molecular Ecology. 33, 2, e1723.

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

49. Cyhoeddwyd

    Climatic zone effects of non-native plant invasion on CH4 and N2O emissions from natural wetland ecosystems

    Beyene, B. B., Li, J., Yuan, J., Liu, D., Chen, Z., Kim, J., Kang, H., Freeman, C. & Ding, W., 1 Ion 2024, Yn: Science of the Total Environment. 906, 167855.

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

50. Cyhoeddwyd

    Critical role of water conditions in the responses of autumn phenology of marsh wetlands to climate change on the Tibetan Plateau

    Shen, X., Shen, M., Wu, C., Peñuelas, J., Ciais, P., Zhang, J., Freeman, C., Palmer, P. I., Liu, B., Henderson, M., Song, Z., Sun, S., Lu, X. & Jiang, M., 1 Ion 2024, Yn: Global Change Biology. 30, 1, e17097.

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

51. Cyhoeddwyd

    Plasticity of microbial substrate carbon use efficiency in response to changes in plant carbon input and soil organic matter status

    Brown, R. & Jones, D. L., 1 Ion 2024, Yn: Soil Biology and Biochemistry. 188, 109230.

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