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Frugivores and Seed Dispersal : TASKS FOR VEGETATION SCIENCE - Alejandro Estrada

Frugivores and Seed Dispersal


By: Alejandro Estrada (Editor), T.H. Fleming (Editor)

Hardcover Published: 1986
ISBN: 9789061935438
Number Of Pages: 392

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A wide variety of plants, ranging in size from forest floor herbs to giant canopy trees, rely on animals to disperse their seeds. Typical values of the proportion of tropical vascular plants that produce fleshy fruits and have animal-dispersed seeds range from 50-90%, depending on habitat. In this section, the authors discuss this mutualism from the plant's perspective. Herrera begins by challenging the notion that plant traits traditionally interpreted as being the product of fruit-frugivore coevolution really are the outcome of a response-counter-response kind of evolutionary process. He uses examples of congeneric plants living in very different biotic and abiotic environments and whose fossilizable characteristics have not changed over long periods of time to argue that there exists little or no basis for assuming that gradualistic change and environmental tracking characterizes the interactions between plants and their vertebrate seed dispersers. A common theme that runs through the papers by Herrera, Denslow et at. , and Stiles and White is the importance of the 'fruiting environment' (i. e. the spatial relationships of conspecific and non-conspecific fruiting plants) on rates of fruit removal and patterns of seed rain. Herrera and Denslow et at. point out that this environment is largely outside the control of individual plant species and, as a result, closely coevolved interactions between vertebrates and plants are unlikely to evolve.

`This book is a must for every seed dispersal ecologist, and is, therefore, higly recommended.' S. Godschalk, South American Journal on Zoology, 1989. `... this book is a valuable source of information and methodological approaches for all students who are and will be attracted by this field of modern ecology.' L. Klimes, Folia Geobotanica et Phytotaxonomica, Vol. 24, 1989.

1: Plant strategies.- 1. Vertebrate-dispersed plants: why they don't behave the way they should.- 2. A seven-year study of individual variation in fruit production in tropical bird-dispersed tree species in the family Lauraceae.- 3.Spatial components of fruit display in understory trees and shrubs.- 4.Seed deposition patterns: influences of season, nutrients, and vegetation structure.- 5. Foliar 'flags' for avian frugivores: signal or serendipity?.- 6. Dispersal of seeds by animals: effect on lightcontrolled dormancy in Cecropia obtusifolia.- 2: Frugivore strategies.- 7. Selection on plant fruiting traits by brown capuchin monkeys: a multivariate approach.- 8. Frugivory in howling monkeys (Alouatta palliata) at Los Tuxtlas, Mexico: dispersal and fate of seeds.- 9. Opportunism versus specialization: the evolution of feeding strategies in frugivorous bats.- 10. Inter-relations between frugivorous vertebrates and pioneer plants: Cecropia, birds and bats in French Guyana.- 11. The influence of morphology on fruit choice in neotropical birds.- 12. Methods of seed processing by birds and seed deposition patterns.- 13. Some aspects of avian frugivory in a north temperate area relevant to tropical forest.- 3: The consequences of seed dispersal.- 14. Seed dispersal and environmental heterogeneity in a neotropical herb: a model of population and patch dynamics.- 15. Consequences of seed dispersal for gap-dependent plants: relationships between seed shadows, germination requirements, and forest dynamic processes.- 16. Seed dispersal mutualism and the population density of Asarum canadense, an ant-dispersed plant.- 17. The influence of seed dispersal mechanisms on the genetic structure of plant populations.- 18. Seed dispersal by birds and squirrels in the deciduous forests of the United States.- 19. Seed shadows, seed predation and the advantages of dispersal.- 20. Mice, big mammals, and seeds: it matters who defecates what where.- 21. Seed predation and dispersal in a dominant desert plant: Opuntia, ants, birds, and mammals.- 22. Agoutis (Dasyprocta punctata), the inheritors of guapinol (Hymenaea courbaril: Leguminosae).- 4: Community aspects of frugivory and seed dispersal.- 23. Relationships between dispersal syndrome and characteristics of populations of trees in a subtropical forest.- 24. Seed dispersal, gap colonization, and the case of Cecropia insignis.- 25. Seed dispersal, gap dynamics and tree recruitment: the case of Cecropia obtusifolia at Los Tuxtlas, Mexico.- 26. Constraints on the timing of seed germination in a tropical forest.- 27. Dispersal and the sequential plant communities in Amazonian Peru floodplain.- 28. Community aspects of frugivory in tropical forests.

ISBN: 9789061935438
ISBN-10: 9061935431
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 392
Published: 1986
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 25.4 x 17.8  x 2.4
Weight (kg): 1.24