Download Big-leaf mahogany: genetics, ecology, and management by Ariel E. Lugo, Julio C. Figueroa Colón, Mildred Alayón PDF

By Ariel E. Lugo, Julio C. Figueroa Colón, Mildred Alayón

Big-Leaf Mahogany is crucial advertisement trees species of the tropics. present debate pertaining to no matter if to guard it as an endangered species has been hampered via the shortcoming of entire, definitive clinical documentation. This e-book studies on very important learn at the ecology of big-leaf mahogany, together with genetic adaptations, regeneration, ordinary distribution styles and the silvicutural and exchange implications for the tree.

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Extra resources for Big-leaf mahogany: genetics, ecology, and management

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85), and no completely self-pollinated tropical trees have been reported. critical element in population genetic structure. Effective population sizes in trees with such widespread pollen movement are likely to be quite large, especially if adults are at low density. Hamrick and Murawski (1990) estimated that, for Platypodium elegans, with pollen commonly moving to distances of 1 km, the natural breeding unit (deme) would be about 25 to 50 ha surrounding any particular focal tree, and Platypodium elegans is a common species in their study area.

We began by partitioning phenotypic variation in size, growth rates, longevity, and shoot borer attack into environmental and genetic components in a nested hierarchy: environmental variation on the large and local scale, and genetic variation among species, among provenances within species, and among mother trees (families) within provenances. Our questions were these: Which genetic and environmental components were significant? What was their relative importance? How did they change through time?

Population genetic consequences of small population size: implications for plant conservation. Annual Review of Ecology and Systematics 24:217–242. H. 1983. The place of management in conservation. In Genetics and Conservation: A Reference for Managing Wild Animal and Plant Populations, eds. M. M. Chambers, B. MacBryde, and L. Thomas, pp. 1–14. Benjamin/Cummings, Menlo Park, CA. E. 1981. Conservation and Evolution. Cambridge University Press, Cambridge. T. 1996. Mating system dynamics of Ocotea tenera (Lauraceae), a gynodioecious tropical tree.

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