Ysgol Gwyddorau Amgylcheddol a Naturiol
- 1993
The genetics of geographically structured populations.
Awdur: Goudet, J., Hyd 1993Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Ex-post cost-benefit analysis of village woodlots of Gujarat, India.
Awdur: Khan, J. A., Medi 1993Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Ecological studies on the tick Dermacentor reticulatis.
Awdur: Tharme, A. P., Chwef 1993Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Studies on the ant-fungus mutualism in leafcutting ants, Formicidae: attini.
Awdur: Bass, M., Ion 1993Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1992
Studies on the biology of Schistosoma margrebowiei.
Awdur: Ahari, E. E., Rhag 1992Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
The Paramo vegetation of Ecuador : the community ecology, dynamics and productivity of tropical grasslands in the Andes.
Awdur: Ramsay, P. M., Rhag 1992Goruchwylydd: Oxley, R. (Goruchwylydd)
Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Monitoring the condition of semi-natural vegetation: the application of remote sensing and geographical information systems (GIS)
Awdur: Williams, J. H., Tach 1992Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
The protection of wood against fungal decay by isocyanate chemical modification.
Awdur: Cardias, M. D. F. C., Meh 1992Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
The management and utilisation of white clover/perennial ryegrass and perennial ryegrass swards in relation to milk production and behaviour of dairy cattle.
Awdur: James, N. L., Ebr 1992Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Cryopreservation of ram semen for artificial insemination.
Awdur: Ahangari, Y. J., Ion 1992Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Dimensional stabilisation by chemical modification of wood
Awdur: Martins, V. A., Ion 1992Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Ecophysiology of strains A and C of Potamophyrgus jenkinsi
Awdur: Soares, A., Ion 1992Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Growth and physiology of spring wheat under saline conditions.
Awdur: Iqbal, R. M., Ion 1992Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1991
Variation of growth and reproduction in a marine bryozoan.
Awdur: Hunter, E., Hyd 1991Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
'Shake' defects and wood structure variations in British oaks (Quercus SPP.).
Awdur: Henman, G. S., Medi 1991Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Effects of water stress and salinity on contrasting wheat genotypes.
Awdur: Mallah, A. N., Ion 1991Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1990
The application of recently developed techniques to Welsh Black Cattle in a group breeding scheme.
Awdur: Brown, C. M., Ebr 1990Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
The effects of selective logging methods on hydrological parameters in Peninsular Malaysia.
Awdur: Nik, A. R. H., Ebr 1990Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Water relations of salt stressed wheat
Awdur: Arif, H., Ion 1990Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1989
Vegetation succession following the clearance of Rhododendron in the Vale of Ffestiniog.
Awdur: Hockley, T. G., Hyd 1989Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1988
Studies of the biological activity of a novel herbicide (Triasulfuron) including studies of mobility and persistence in soils.
Awdur: Oppong, F. K., Hyd 1988Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Cost benefit analysis and sustained yield forestry in India.
Awdur: Kumar, P. J. D., Ion 1988Goruchwylydd: Price, C. (Goruchwylydd)
Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1987
Forest recreation use patterns user behaviour and recreational value in Malaysia.
Awdur: Sabri, W. M. W., Tach 1987Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Genetic and environmental factors in the migration of the African armyworm moth, Spodoptera exempta (Walker) (Lepidoptera :Noctuidae).
Awdur: Woodrow, K. P., Medi 1987Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Studies of leaf growth in barley
Awdur: Maan, A. A. S., Ion 1987Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth