Plants on plants - the biology of vascular epiphytes / Gerhard Zotz

Incluye bibliografía e índice temático: páginas 79-282

1 Introduction.. 1.1 What Is an Epiphyte?.. 1.2 Other Forms of Structurally Dependent Plants.. 1.3 Other Classification Schemes.. 1.4 Epiphytes: A Life Form?.. 1.5 Why Conquer Trees?.. References.. 2 Epiphyte Taxonomy and Evolutionary Trends.. 2.1 Taxonomic Participation.. 2.1.1 Plant Families with a Substantial Number of Vascular Epiphytes.. 2.1.2 Future Changes in the Proportion of Epiphytic Taxa.. 2.2 The Conquest of Tree Canopies: "Up" and Sometimes "Down".. 2.3 How Biased Is Our Current View on Epiphytes?.. References.. 3 Biogeography: Latitudinal and Elevational Trends.. 3.1 Latitudinal Trends.. 3.2 Elevational Trends.. 3.3 Diversity Patterns Within the Tropics.. References.. 4 Functional Anatomy and Morphology.. 4.1 Plant Size.. 4.2 Shoot Architecture.. 4.3 Gametophytes of Epiphytic Ferns.. 4.4 Leaves.. 4.5 A Special Case: Heteroblasty.. 4.6 Roots.. 4.7 Seed Size and Seed Morphology.. References

5 Physiological Ecology.. 5.1 The Physical Setting.. 5.2 Plant Water Relations.. 5.3 Temperature and Plant Function.. 5.4 Mineral Nutrition.. 5.4.1 Nutrients in the Forest Canopy.. 5.4.2 Nutrient Uptake.. 5.4.3 Nutrient Concentrations in Tissue of Vascular Epiphytes.. 5.4.4 Reproductive Investment.. 5.4.5 Associations with Fungi and Cyanobacteria.. 5.4.6 Special Nutritional Modes Related to Animals.. 5.4.7 Intraspecific Variation in Hemiepiphytes and Facultative Epiphytes.. 5.5 Photosynthesis, Carbon Gain, and Growth.. 5.5.1 Foliar Carbon Gain.. 5.5.2 Carbon Gain by Non-foliar Organs.. 5.5.3 Whole Plant Carbon Budgets.. 5.5.4 Light Flecks and Carbon Gain.. 5.5.5 Photoinhibition.. 5.5.6 Growth.. 5.5.7 Atmospheric CO2, Net CO2 Uptake, and Growth.. References.. 6 Population Biology.. 6.1 Diaspores.. 6.2 Germination and Establishment.. 6.3 Growth and Survival.. 6.4 Reproduction.. 6.5 Survival on the Ground.. 6.6 Comparative Plant Demography.. 6.7 Metapopulations.. References.. 7 Epiphyte Communities.. 7.1 The Host Tree.. 7.1.1 Host Tree Identity.. 7.1.2 Host Tree Size.. 7.1.3 Host Tree Phenology.. 7.2 Community Composition and Structure.. 7.2.1 Vertical Structure.. 7.2.2 Horizontal Structure.. 7.3 Community Dynamics.. 7.3.1 Succession.. 7.3.2 Disturbance.. References

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This book critically reviews advances in our understanding of the biology of vascular epiphytes since Andreas Schimper's 1888 seminal work. It addresses all aspects of their biology, from anatomy and physiology to ecology and evolution, in the context of general biological principles. By comparing epiphytes with non-epiphytes throughout, it offers a valuable resource for researchers who are not primarily interested in this plant group. A particular strength is the identification of research areas that have not received the attention they deserve, with conservation being a case in point. Scientists have tended to study pristine systems, but global developments call for information on epiphytes in human-disturbed systems and the response of epiphytes to global climate change. eng

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