Porth Ymchwil

Ysgol Gwyddorau Amgylcheddol a Naturiol

1 - 100 o blith 783Maint y tudalen: 100
Trefnu yn ôl: Blwyddyn ddyfarnu
  1. 1958

  2. A Study in the Experimental Taxonomy of some British Sphagha (section Cuspidata),with observations of their ecology.

    Awdur: Agnew, S., 5 Mai 1958

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  3. 1959

  4. Calcareous algae of the silurian of the Welsh border

    Awdur: Green, H., Ebr 1959

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  5. 1963

  6. An ecological study of Chaetogaster limnaei( von Baer)

    Awdur: Gruffydd, L. D., Ebr 1963

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  7. 1965

  8. Comparative studies in the pathology of radiomimetic conditions

    Awdur: Mason, J., Medi 1965

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  9. 1966

  10. Studies on the nutrition and feeding of the larvae of the large cabbage white butterfly, Pieris brassicae L.

    Awdur: Akhtar, M., 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  11. Studies on fossil plants of Karoo age from Central & Southern Africa

    Awdur: Williams, P., Ion 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  13. Studies on plant microfossils from the Carboniferous of North Wales

    Awdur: Hibbert, F. A., Ebr 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  14. Studies in the flora of the Rhynie chert

    Awdur: Saadawy, W. E., Meh 1966

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  15. 1968

  16. A comparative study of morphology, behaviour and ecology of Chaetogaster Limnaei ( von Baer) from several host species

    Awdur: Buse, A., Medi 1968

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  17. 1970

  18. Studies on organ cultures of slug reproductive tracts

    Awdur: Bailey, T. G., Medi 1970

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  19. 1973

  20. The effects of trampling and vehicles on natural vegetation.

    Awdur: Liddle, M., Mai 1973

    Goruchwylydd: P. Greig-Smith, P. (Unigolyn allanol) (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  21. 1974

  22. A study of excretion in the slug Agriolimax reticulatus

    Awdur: Garner, J., Medi 1974

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  23. 1979

  24. An economic appraisal of forestry and the forest industries of Greece 1950-1990.

    Awdur: Sakkas, G. A., Ion 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  25. Studies in Antarctic palaeobotany.

    Awdur: Lucas, R. C., Ion 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  26. The history of forests and forestry in Wales up to the formation of the Forestry Commission

    Awdur: Linnard, W., Ion 1979

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  27. 1980

  28. Food selection by the rabbit.

    Awdur: Soane, G. A., Ion 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  29. Studies on plant-animal interactions : Terrestrial molluscs and their food plants.

    Awdur: Minjarez, R. D., Ion 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  30. Invasion of host tissue by infective larvae of Ascaris suum (Goeze, 1782)

    Awdur: Arene, F. O. I., Tach 1980

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  31. 1981

  32. Micronutrient studies on cotton growth on Syrian calcareous soils.

    Awdur: Mohammad, S. Y., Maw 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  33. Studies on the male reproductive cycle in the lizard Chalcides Ocellatus.

    Awdur: Mahmoud, F. M. S., Mai 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  34. Studies on the ecology of Littorina Obtusata

    Awdur: Hollingworth, C. E., Medi 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  35. Biosystematic and cytological studies of mosses and liverworts.

    Awdur: Abderrahman, S. M. M., Rhag 1981

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  36. 1982

  37. Distribution, concentration and bonding factors affecting the performance of water repellents applied to wood

    Awdur: Razzaque, M. A., Medi 1982

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  38. 1983

  39. Ecophysiology of ecotypes : An investigation in the ecophysiology of sand dune ecotypes

    Awdur: Baleela, A. R. H., Ion 1983

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  40. Demography of animal modular colonies.

    Awdur: Cancino, J. M., Meh 1983

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  41. An experimental study on the migration of the African armyworm moth, Spodoptera exempta (Walker) (Lepidoptera : Noctuidae).

    Awdur: Parker, W. E., Medi 1983

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  42. 1984

  43. The biology of reproduction in two British pulmonate slugs.

    Awdur: Nicholas, J., Hyd 1984

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  44. 1985

  45. Carbon Allocation in Barley Plants

    Awdur: Farrar, S., 1985

    Goruchwylydd: Farrar, J. F. (Unigolyn allanol) (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  46. Reciprocal transplantations to study local specialisation and the measurement of components of fitness.

    Awdur: Mackenzie, S., Ion 1985

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  47. The characterisation and control of ochre deposits in land drainage systems.

    Awdur: Ap Dewi, I., Chwef 1985

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  48. An economic approach to assessing the value of recreation with special reference to forest areas.

    Awdur: Christensen, J. B., Rhag 1985

    Goruchwylydd: Price, C. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  49. 1986

  50. Physiological aspects of tillering in barley (Hordeum distichum).

    Awdur: Woodward, E. J., Ion 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  51. Studies in cyclopropene chemistry.

    Awdur: Dulayymi, A. R. A., Ion 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  52. Sudies on the epidemiology of a Nigerian strain of Schistosoma haematobium with particular reference to the molluscan hosts

    Awdur: Fryer, S. E., Maw 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  53. Geochemical and mineralogical studies of the weathering of Silurian argillaceous rocks

    Awdur: Chapman, P., Medi 1986

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  54. 1987

  55. Studies of leaf growth in barley

    Awdur: Maan, A. A. S., Ion 1987

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  57. Forest recreation use patterns user behaviour and recreational value in Malaysia.

    Awdur: Sabri, W. M. W., Tach 1987

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  58. 1988

  59. Cost benefit analysis and sustained yield forestry in India.

    Awdur: Kumar, P. J. D., Ion 1988

    Goruchwylydd: Price, C. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  60. Studies of the biological activity of a novel herbicide (Triasulfuron) including studies of mobility and persistence in soils.

    Awdur: Oppong, F. K., Hyd 1988

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  61. 1989

  62. Vegetation succession following the clearance of Rhododendron in the Vale of Ffestiniog.

    Awdur: Hockley, T. G., Hyd 1989

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  63. 1990

  64. Water relations of salt stressed wheat

    Awdur: Arif, H., Ion 1990

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  65. The application of recently developed techniques to Welsh Black Cattle in a group breeding scheme.

    Awdur: Brown, C. M., Ebr 1990

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  66. The effects of selective logging methods on hydrological parameters in Peninsular Malaysia.

    Awdur: Nik, A. R. H., Ebr 1990

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  67. 1991

  68. Effects of water stress and salinity on contrasting wheat genotypes.

    Awdur: Mallah, A. N., Ion 1991

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  69. 'Shake' defects and wood structure variations in British oaks (Quercus SPP.).

    Awdur: Henman, G. S., Medi 1991

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  70. Variation of growth and reproduction in a marine bryozoan.

    Awdur: Hunter, E., Hyd 1991

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  71. 1992

  72. Cryopreservation of ram semen for artificial insemination.

    Awdur: Ahangari, Y. J., Ion 1992

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  73. Dimensional stabilisation by chemical modification of wood

    Awdur: Martins, V. A., Ion 1992

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  74. Ecophysiology of strains A and C of Potamophyrgus jenkinsi

    Awdur: Soares, A., Ion 1992

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  75. Growth and physiology of spring wheat under saline conditions.

    Awdur: Iqbal, R. M., Ion 1992

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  77. The protection of wood against fungal decay by isocyanate chemical modification.

    Awdur: Cardias, M. D. F. C., Meh 1992

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  78. Monitoring the condition of semi-natural vegetation: the application of remote sensing and geographical information systems (GIS)

    Awdur: Williams, J. H., Tach 1992

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  79. Studies on the biology of Schistosoma margrebowiei.

    Awdur: Ahari, E. E., Rhag 1992

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  80. The Paramo vegetation of Ecuador : the community ecology, dynamics and productivity of tropical grasslands in the Andes.

    Awdur: Ramsay, P. M., Rhag 1992

    Goruchwylydd: Oxley, R. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  81. 1993

  82. Studies on the ant-fungus mutualism in leafcutting ants, Formicidae: attini.

    Awdur: Bass, M., Ion 1993

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  83. Ecological studies on the tick Dermacentor reticulatis.

    Awdur: Tharme, A. P., Chwef 1993

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  84. Ex-post cost-benefit analysis of village woodlots of Gujarat, India.

    Awdur: Khan, J. A., Medi 1993

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  85. The genetics of geographically structured populations.

    Awdur: Goudet, J., Hyd 1993

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  86. 1994

  87. Effects of temperature and waterlogging on cotton seedlings roots

    Awdur: Sheikh, S. A., Ion 1994

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  88. Some fertility problems associated with Kuwaiti calcareous soil and brackish irrigation water.

    Awdur: Al-Ghawas, S. A. A., Ion 1994

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  89. The biology and control of Riccadoella limacum (Schrank), a mite pest of farmed snails.

    Awdur: Graham, F. J., Ion 1994

    Goruchwylydd: Runham, N. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  90. The role of potassium as an osmoticum in barley leaf cells.

    Awdur: Hinde, P., Ion 1994

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  91. Trees and indigenous ecological knowledge about agroforestry practices in the rangelands of Shinyanga Region, Tanzania.

    Awdur: Kilahama, F. B., Ion 1994

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  92. A knowledge-based systems approach to agroforestry research and extension.

    Awdur: Walker, D. H., Maw 1994

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  93. Genetic resources and selection methods for drought and salinity resistance in durum wheat

    Awdur: Pecetti, L., Maw 1994

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  94. The availability, quality and processing aspects of gum arabic from Kenya.

    Awdur: Chikamai, E. N. B., Ebr 1994

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  95. Farmers, ecological knowledge about the management and use of farmland tree fodder resources in the mid-hills of eastern Nepal

    Awdur: Thapa, B., Hyd 1994

    Goruchwylydd: Sinclair, F. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  96. Leaf ion concentrations and salt tolerance in barley.

    Awdur: i Lleonart, M. A., Rhag 1994

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  97. 1995

  98. Holocene environmental and pedogenic history of the Hiraethog Moors, Clwyd

    Awdur: Lascelles, D. B., Ion 1995

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  99. Strategic study of forest development policy : a model for balancing demand and supply of forest resources in China.

    Awdur: Liu, A., Ion 1995

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  103. The ecology and exploitation of yellowfin tuna, Thunnus albacares (Bonnaterre 1788) in the Pemba Channel, Kenya.

    Awdur: Hemphill, S., Medi 1995

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  104. 1996

  105. Comparison of breeding strategies to improve salt tolerance of wheat (Triticum aestivum L.).

    Awdur: Ahsan, M., Ion 1996

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  106. Immunobiology of Eledone cirrhosa (Lamarck).

    Awdur: Malham, S. K., Ion 1996

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  107. Management of Vitellaria paradoxa in Guinea savanna rangelands in Ghana.

    Awdur: Amaning, E. O., Ion 1996

    Goruchwylydd: Hall, J. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  108. The ecology and management of traditional homegardens in Bangladesh.

    Awdur: Millat-e-Mustafa, M., Chwef 1996

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  109. Farmers' knowledge and the development of complex agroforestry practices in Sri Lanka.

    Awdur: Hitinayake, H. M. G. S. B., Ebr 1996

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  110. Phosphate and micronutrient behaviour under flooded and aerated soil conditions

    Awdur: Ahmad, F., Mai 1996

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  111. Conservation and ecotourism in Kibale National Park, Uganda.

    Awdur: Obua, J., Meh 1996

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  112. Indigenous ecological knowledge about the sustainability of tea gardens in the hill evergreen forest of Northern Thailand.

    Awdur: Preechapanya, P., Meh 1996

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  113. Project appraisal under risk, threat and uncertainty : a case study of the afforestation project of Bihar, India.

    Awdur: Shukla, D. K., Rhag 1996

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  114. 1997

  115. A study of the midgut (reservoir zone) and haemolymph lectins of the stable fly, Stomoxys calcitrans.

    Awdur: Abdally, M. H., Ion 1997

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  116. Dimensional instability of cement bonded particleboard : understanding its occurrence and reducing its magnitude

    Awdur: Fan, M., Ion 1997

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  117. Parkia biglobosa (Jasq.) benth. in Nigeria : a resource assessment.

    Awdur: Oni, P. I., Chwef 1997

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  118. The effects of seed origin and site on the amenability of Sitka spruce to preservative treatment

    Awdur: Usta, I., Tach 1997

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  119. 1998

  120. Genetic and phenotypic variation in two marine bryozoans.

    Awdur: Goldson, A. J., Medi 1998

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  121. Topographic learning and memory in habitat selection by Lipophrys pholis L.

    Awdur: Dodd, J., Hyd 1998

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  122. 1999

  123. Why does the environment matter? : an analysis of environmental and development ethics within the debate on sustainability and social justice

    Awdur: O'Reilly, S. M. G., 1999

    Goruchwylydd: Cooper, R. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  126. Phosphorus redistribution in acid archaeological soils from North Wales.

    Awdur: Owen, A., Ion 1999

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  127. The decay resistance of chemically modified softwood.

    Awdur: Forster, S. C., Ion 1999

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  128. The role of the apoplast as an osmotic compartment in Suaeda maritima L. Dum. and Beta vulgaris L.

    Awdur: Lawrence, R. A., Meh 1999

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  129. Economic assessment of reduced impact logging in Sabah, Malaysia.

    Awdur: Tay, J., Gorff 1999

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

  130. The synthesis of novel homochiral polymers derived from amino acids

    Awdur: Birchall, A. C., Awst 1999

    Goruchwylydd: North, M. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

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