Many tree species reproduce in episodic, yet synchronous events. This phenomenon, mast-fruiting, has been investigated mainly in temperate forests, and several hypotheses have been proposed for its evolutionary origin and maintenance. To understand the possible adaptive signific…
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Indonesia as a nation faces the formidable task of balancing sustainable economic activity, conservation goals, and continuation of traditional indigenous life ways. This research encompasses a broad but integrated system of human-land relationships among the Benuaq Dayak, an in…
The results of eighteen months of ethnomusicological field research on versification among the Kenyah Lepo' Tau of Sarawak, Malaysia form the basis of this dissertation. The work offers an account of the structural and structuring elements of the Lepo' Tau verse, and demonstrate…
The Kenyah Leppo` Ke of East Kalimantan, Borneo, Indonesia rely heavily on plants grown and gathered for healing a wide range of health complaints. For the Leppo` Ke, sensory evaluation of plants plays a critical role in the selection and use of botanical therapies. This study e…
Remote, equatorial Mahuroi Village in Central Kalimantan, is near the headwaters of the Kahayan River. Multinational mining and logging concessions near this site in Indonesian Borneo are being developed. Eco-tourism adds to increasing risk of massive depletion of natural resour…
Different approaches to population modeling provide different types of information about population structure and viability. Animal-habitat models may be used to identify quantitative relationships between environmental variables and species' occurrences and demographic models m…
This research on wild orangutans (Pongo pygmaeus pygmaeus) in Gunung Palung National Park, West Kalimantan, Indonesia, on the island of Borneo, investigated how fluctuations in fruit availability affect orangutan nutritional intake, energetics and ultimately reproductive functio…
Supplementary feeding continues to be a widespread strategy for child health promotion though its efficacy remains contested. The long-standing, Malaysian national food assistance program for children—Program Pemulihan Kanak-Kanak Kekurangan Zat Makanan (PPKZM)—fits this pattern…
It has been debated whether a human dispersal originating from southern mainland Asia replaced the original, late Pleistocene modern human populations inhabiting the islands of Southeast Asia or whether observed morphological changes (and cultural changes) are attributable to in…
Agricultural expansion is the predominant mode of tropical land cover change, leading to profound alterations in vegetation, carbon stocks, and freshwater systems. The dynamics of these ecosystem changes depend on land cover trajectories preceding agricultural conversion. Assess…
The Kenyah, an indigenous group dwelling in the mountainous plateau region and the upper reaches of four major rivers of Borneo, constitute one of many minority communities in Sarawak, the largest state of Malaysia. This small, isolated community has nurtured refined forms of vi…
Since natural, catastrophic events are rare in tropical forests, little is known about their effects on wildlife populations. The present study was prompted by a unique disturbance in the tropical forests of East Borneo. The 1982-1983 El Nino Southern Oscillation Event engendere…