Ysgol Gwyddorau Amgylcheddol a Naturiol
- 1996
Immunobiology of Eledone cirrhosa (Lamarck).
Awdur: Malham, S. K., Ion 1996Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Management of Vitellaria paradoxa in Guinea savanna rangelands in Ghana.
Awdur: Amaning, E. O., Ion 1996Goruchwylydd: Hall, J. (Goruchwylydd)
Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1995
An economic evaluation of agroforestry, forestry and agriculture projects in Orissa, India : with particular reference to financial profitability and basic needs fulfilment.
Awdur: Singh, J. P., Medi 1995Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
The ecology and exploitation of yellowfin tuna, Thunnus albacares (Bonnaterre 1788) in the Pemba Channel, Kenya.
Awdur: Hemphill, S., Medi 1995Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Epidemiology of the African armyworm (Spodoptera exempta) : intra- and interseasonal variability in outbreak severity in Eastern Africa in relation to weather and moth migration.
Awdur: Tucker, M. R., Ebr 1995Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
The physiological ecology of the phase polymorphism in the African armyworm moth, Spodoptera exempta (Walker) (Lepidoptera: Noctuidae).
Awdur: Mensah, B. A., Ebr 1995Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Holocene environmental and pedogenic history of the Hiraethog Moors, Clwyd
Awdur: Lascelles, D. B., Ion 1995Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Strategic study of forest development policy : a model for balancing demand and supply of forest resources in China.
Awdur: Liu, A., Ion 1995Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1994
Leaf ion concentrations and salt tolerance in barley.
Awdur: i Lleonart, M. A., Rhag 1994Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Farmers, ecological knowledge about the management and use of farmland tree fodder resources in the mid-hills of eastern Nepal
Awdur: Thapa, B., Hyd 1994Goruchwylydd: Sinclair, F. (Goruchwylydd)
Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
The availability, quality and processing aspects of gum arabic from Kenya.
Awdur: Chikamai, E. N. B., Ebr 1994Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
A knowledge-based systems approach to agroforestry research and extension.
Awdur: Walker, D. H., Maw 1994Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Genetic resources and selection methods for drought and salinity resistance in durum wheat
Awdur: Pecetti, L., Maw 1994Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Effects of temperature and waterlogging on cotton seedlings roots
Awdur: Sheikh, S. A., Ion 1994Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Some fertility problems associated with Kuwaiti calcareous soil and brackish irrigation water.
Awdur: Al-Ghawas, S. A. A., Ion 1994Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
The biology and control of Riccadoella limacum (Schrank), a mite pest of farmed snails.
Awdur: Graham, F. J., Ion 1994Goruchwylydd: Runham, N. (Goruchwylydd)
Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
The role of potassium as an osmoticum in barley leaf cells.
Awdur: Hinde, P., Ion 1994Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Trees and indigenous ecological knowledge about agroforestry practices in the rangelands of Shinyanga Region, Tanzania.
Awdur: Kilahama, F. B., Ion 1994Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 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
- 1986
Geochemical and mineralogical studies of the weathering of Silurian argillaceous rocks
Awdur: Chapman, P., Medi 1986Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Sudies on the epidemiology of a Nigerian strain of Schistosoma haematobium with particular reference to the molluscan hosts
Awdur: Fryer, S. E., Maw 1986Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Physiological aspects of tillering in barley (Hordeum distichum).
Awdur: Woodward, E. J., Ion 1986Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Studies in cyclopropene chemistry.
Awdur: Dulayymi, A. R. A., Ion 1986Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
- 1985
An economic approach to assessing the value of recreation with special reference to forest areas.
Awdur: Christensen, J. B., Rhag 1985Goruchwylydd: Price, C. (Goruchwylydd)
Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
The characterisation and control of ochre deposits in land drainage systems.
Awdur: Ap Dewi, I., Chwef 1985Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth
Reciprocal transplantations to study local specialisation and the measurement of components of fitness.
Awdur: Mackenzie, S., Ion 1985Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth