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Abstract Detail


Tropical Biology Section

Loveless, Marilyn D. [1], Grogan, James [2].

Flowering phenology, flowering neighborhood, and fruiting in Swietenia macrophylla, Big-Leaf Mahogany, in southern Pará, Brazil.

SWIETENIA macrophylla is a high-value tropical timber tree that occurs at low densities across a sizeable area of Central America and northern South America. We monitored flowering phenology for over 200 adult trees in a management area in southern Para, Brazil, over six consecutive flowering seasons. We describe individual and population-level flowering phenology, and examine the spatial pattern of co-flowering among individuals in a 1000 ha tract of lowland forest. Using GIS analysis, we examine spatial flowering neighborhoods of individuals, and evaluate adult fruit set as a function of flowering period, flowering neighbors, and other elements of the reproductive biology of this species. We then consider the implications of our results for mating and fruit set in native mahogany populations which have been harvested for timber.[c.e.:srb]


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1 - College of Wooster, Department of Biology, Wooster, Ohio, 44691, USA
2 - Yale University School of Forestry and Environmental Studies, New Haven, Connecticut, 06511, USA

Keywords:
phenology
fruit set
timber extraction
tropical rain forest
mahogany.

Presentation Type: Oral Paper:Papers for Sections
Session: 16-3
Location: 102/Plumas
Date: Monday, July 31st, 2006
Time: 10:45 AM
Abstract ID:442


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