Forest and product certification was initially promoted as a means of enhancing sustainable management of forests in the tropics. However after almost two decades, there is still very little evidence of certified timber products originating from tropical countries. A number of a…
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The objective of this research is to systematically characterize soil properties and hydrologic processes of selected tropical forest plots and their associated catchments in Panama, Ecuador, and Malaysia. Few studies have produced a comprehensive, standardized dataset assessing…
Eucalyptus urophylla is an economically important plantation tree species in countries with tropical and subtropical climates. Its natural distribution is limited to a series of populations on seven islands of the Sunda archipelago in eastern Indonesia. The largest populations a…
In the post War World II period, the development of tropical forest exploitation in the Philippines and Indonesia could be characterized by its depletive and hyper forest exploitation which presented a much higher destructive force to the forest and its people in the second half…
Many research studies have characterized the primary productivity of tropical forests and contributed to highlighting the complexity of underlying drivers of the ecological system. However, few studies have explored how productivity changes across multiple scales and how the dri…
Some members of two tropical genera of the Euphorbiaceae, Macaranga and Mallotus were studied to determine how and why they are successful pioneers. Aspects of reproductive biology were studied in a total of eight species of Macaranga and two of Mallotus, although detailed obser…
This study of the reproductive biology of some emergent species - in the family Dipterocarpaceae forms part of the collaborative research programme between the University of Aberdeen and the University of Malaya on the reproductive biology of tropical rain forest tree species. I…
The project was designed to study genetic variation in species of tropical rainforest trees. Shorea leprosula (an emergent species) and Xerospermum intermedium (an understorey species) were chosen, to see if they differed in breeding patterns. Genetic variation was studied by me…
This study examines almost 5000 lithic artifacts from three rockshelters in the Belize, part of the Maya Lowlands. These sites bear evidence of human occupation throughout the last 14,000 years, a period over which I assess change in four lithic traits: 1) cortex, or the weather…