David Roubik - Böcker

The groundbreaking canopy-access and rain forest research at Lambir Hills National Park in Sarawak, Malaysia, has contributed an immense body of knowledge. Its major studies over more than a decade are synthesized here for the first time. The focus of this unique volume is on plant-animal interactions and some of the foundations that create and maintain tropical diversity, especially pollination and the phenomenon of the General Flowering. The work discussed has implications for tropical biology, ecology, and pollination studies. The power of the El Nino-Southern Oscillation events and drought, particularly in their effects on mutualisms, are discussed in detail.

Rain Forest Biology and the Canopy System, Sarawak, 1992–2002 The rain forest takes an immense breath and then exhales, once every four or ?ve years, as a major global weather pattern plays out, usually heralded by El Nin ˜o–Southern Oscillation. While this powerful natural cycle has occurred for many millennia, it is during the past decade that both the climate of Earth and the people living on it have had an increasing in?uence on the weather pattern itself, with many biological consequences. In Southeast Asia, as also in most of the Neotropics, El Nin ˜o accompanies one of the most exuberant o- pourings of nature’s diversity. After several years of little activity, the incredibly diverse rain forests suddenly burst into ?ower—a phenomenon referred to as General Flowering in Asia. Plant populations are rejuvenated and animals are fed, but the process involves a delicate and complex balance. When the canopy access system was under construction at Lambir Hills - tional Park in the early 1990s, it made use of an underlying technology that was already in place: bridges. For centuries, bridges have spanned the natural chasms over rivers. This existing network of bridges and the people who built and use them produced the technology we needed to gain access to the canopy. Bridge builders were our natural allies in the quest for biological knowledge of the high canopy.

The stingless bees are one of the most diverse, attractive, fascinating, conspicuous and useful of all the insect groups of the tropical world. This is a formidable and contentious claim but I believe it can be backed up. They are fifty times more species rich than the honey bees, the other tribe of highly eusocial bees. They are ubiquitous in the tropics and thrive in tropical cities. In rural areas, they nest in a diversity of sites and are found on the flowers of a broad diversity of crop plants. Their role in natural systems is barely studied but they almost certainly deserve that hallowed title of keystone species. They are popular with the general public and are greatly appreciated in zoos and gardens. The chapters of this book provide abundant further evidence of the ecological and economic importance of stingless bees.