Stratification of a tropical forest as seen in dispersal types, Ingrid Roth

Автор: B. Rollet; Ch. H?germann; Ingrid Roth
Название: Stratification of tropical forests as seen in leaf structure
ISBN: 0792303970 ISBN-13(EAN): 9780792303978
Издательство: Springer
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Описание: This volume is the last contribution of a series of With the present book, a further gap concern- studies concerned with the plant material of one ing leaf morphology and leaf venation, as well and the same area of Venezuelan Guiana.

Автор: Ingrid Roth
Название: Stratification of tropical forests as seen in leaf structure
ISBN: 9061939461 ISBN-13(EAN): 9789061939467
Издательство: Springer
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Описание: The studies presented in this volume are meant to The reason why we know relatively little about close some gaps in our knowledge of leaf anatomy inner leaf structure of trees from tropical humid of trees in tropical humid forests.

Автор: Elena Gorb; Stanislav S. N. Gorb
Название: Seed Dispersal by Ants in a Deciduous Forest Ecosystem
ISBN: 904816317X ISBN-13(EAN): 9789048163175
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Описание: Countless ants transport and deposit seeds and thereby influence the survival, death, and evolution of many plant species. The book gives readers a panoramic view of the hidden, poorly-known interrelations not only between pairs of ants and plant species, but also between species communities in the ecosystem.

Автор: Karen van Rheede van Oudtshoorn; Margaretha W. van
Название: Dispersal Biology of Desert Plants
ISBN: 3642084397 ISBN-13(EAN): 9783642084393
Издательство: Springer
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Автор: Karen van Rheede van Oudtshoorn; Margaretha W. van
Название: Dispersal Biology of Desert Plants
ISBN: 3540648860 ISBN-13(EAN): 9783540648864
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Описание: This is a description of the ways and means - anatomical, morphological and ecological - by which dispersal in desert plants has evolved to ensure the survival of these species in their harsh and unpredictable environment.

Автор: T.H. Fleming; Alejandro Estrada
Название: Frugivory and seed dispersal: ecological and evolutionary aspects
ISBN: 0792321413 ISBN-13(EAN): 9780792321415
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Описание: Any scientific discipline needs a theoretical framework to guide its development and to sharpen the questions its researchers pursue. In biology, evolution is the grand theoretical framework, and an his- torical perspective is necessary to understand present-day biological conditions. In its formative years, the modern study of the fruit-frugivore mutualism was guided by the 'specialist-generalist' paradigm developed by D. Snow, D. McKey, and H. Howe. Howe reviews the current status of this evolution- ary paradigm and points out that it has been dismissed by many workers before being adequately tested. This is because ecologists working with the tropical plants and frugivorous birds for which the paradigm was originally developed rarely measure the seed dispersal effectiveness of different disperser species. He indicates that this paradigm still has heuristic value and suggests that several additional ecological paradigms, including the concept ofkeystone species ofplants and frugivores and the role that frugivores play in density-dependent mortality in tropical trees, are worth studying. The concept of seed dispersal quality has been central to discussions of fruit-frugivore coevolution. Schupp thoroughly reviews data bearing on this concept, constructs a hierarchical framework for viewing disperser effectiveness, and points out that disperser effectiveness depends on both the quantity and quality of seed dispersal. Effectiveness, in turn, affects both evolutionary and ecological relationships between dispersers and their food plants.

Автор: P. Jacquard; G. Heim; J. Antonovics
Название: Genetic Differentiation and Dispersal in Plants
ISBN: 3642708390 ISBN-13(EAN): 9783642708398
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Описание: Proceedings of the NATO Advanced Research Workshop on Population Biology of Plants held at Montpellier, May 21-25, 1984