Elements of tropical ecology: with reference to the African, Asian, Pacific and New World tropics
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
London
Heinemann
1980
|
| Ausgabe: | 1. publ. |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XIV, 205 S. Ill., graph. Darst., Kt. |
| ISBN: | 0435937006 |
Internformat
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| 245 | 1 | 0 | |a Elements of tropical ecology |b with reference to the African, Asian, Pacific and New World tropics |c J. Yanney Ewusie |
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| 264 | 1 | |a London |b Heinemann |c 1980 | |
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Datensatz im Suchindex
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|---|---|
| adam_text | Titel: Elements of tropical ecology
Autor: Ewusie, Joseph Yanney
Jahr: 1980
Contents
List of Tables ix
List of Figures x
Preface xiii
Acknowledgements xv
PART 1 BROAD ECOLOGICAL TROPICAL FEATURES AND METHODS
OF STUDY 1
Chapter 1 An Introduction to Tropical Ecology 3
The Nature of Ecology 3
The Role of Ecology 3
Levels of Ecological Studies 4
The Tropical Environment 5
Some Ecological Features of Tropical Areas 8
Chapter 2 Tropical Populations 11
Extent of Species Diversity 11
The Habitat, the Micro-habitat and the Ecological Niche 12
Hypotheses for the High Species Diversity of Tropical Communities 13
Some Features of Populations 14
Annual Cycle and Occasional Oscillations of Population Densities 21
Factors Regulating Population Size 22
Population Structure: Dispersion, Aggregation and Territoriality 23
Vicarious Species and Ecological Segregation 25
Discontinuous Distribution on a Continental Scale 25
Chapter 3 The Development and Nature of Tropical Communities 27
Formation and Dynamics 27
Succession 28
Main Climaxes 30
Primary Succession 31
Secondary Succession 34
Analytic Characteristics of the Community 38
Synthetic Characteristics of the Community 43
Chapter 4 The Role of Environmental Factors in Tropical Communities 48
Climatic Factors 48
Physiographic and Edaphic Factors 56
Biological (Biotic) Factors 57
vi Contents
Chapter 5 Periodicity in Tropical Populations 68
Phenology 68
Flowering and Fruiting Cycles 69
Defoliation and the Growth of New Leaves (Leaf Activity) 75
Annual Gregarious Flowering in Tropical Geophytes 77
Photoperiodism 77
Breeding Periodicity in Tropical Animals 78
Seasonal Movements 79
Lunar and Tidal Periodicity 80
Orcadian Periodicities gj
Chapter 6 The Ecosystem Concept and Production Ecology 85
The Ecosystem Concept 85
Trophic Levels 86
Trophic Structure (Ecological Pyramids) 88
Energy Transformation in Ecosystems (Ecological Energetics) 92
Gross and Net Production and Production Efficiencies 95
Primary Productivity 95
Secondary Productivity 98
Chapter 7 Features of Tropical Aquatic Ecosystems 99
Environmental Factors 99
Freshwater Habitats 105
The Marine Habitat U0
Estuarine or Brackish Habitats 114
Chapter 8 The Soil in Tropical Ecology 117
The Formation of Soil j J7
The Soil Profile 119
Soil Colour 12i
Soil Texture 122
Soil Structure 125
Factors Influencing Soils and Vegetation 125
The Classification of Soils 127
Effects of Soil Environment on Plants 130
Contents
Vll
PART 2 TROPICAL ECOSYSTEM TYPES AND PROBLEMS OF
CONSERVATION
Chapter 9 The Tropical Forest Ecosystems
The Tropical Rain Forest
Deciduous Seasonal Forest Ecosystems
Subtropical Forests
Agricultural Potential of the Tropical Forests
Chapter 10 Specialized Ecosystems within the Tropical Forests
and along the Sea Coast
Montane Forest (Mountain Vegetation)
Swamp Forests
Mangrove Swamp Forests
Coastal Lagoon Vegetation
Strand Vegetation
The Arboreal Ecosystem
Chapter 11 Tropical Savanna and Desert Ecosystems
Savanna Woodlands
Thorn Woodlands
Tropical (Savanna) Grasslands
Tropical Deserts
Chapter 12 Fire in Tropical Ecology
Heat and Temperature
Fire in Grass and Woody Vegetation
Effects of Fire on Soil and Vegetation
Fire and Pasture Management
Chapter 13 Biological Conservation and Problems of Pollution
The Soil
Vegetation and Agriculture
Wild Life
Water Resources
Air
Conclusion
References
General Index
139
139
141
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| indexdate | 2024-07-09T15:42:43Z |
| institution | BVB |
| isbn | 0435937006 |
| language | English |
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| spelling | Ewusie, Joseph Yanney Verfasser (DE-588)17207035X aut Elements of tropical ecology with reference to the African, Asian, Pacific and New World tropics J. Yanney Ewusie 1. publ. London Heinemann 1980 XIV, 205 S. Ill., graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier Écologie - Régions tropicales Ökologie Ecology Tropics Ökologie (DE-588)4043207-5 gnd rswk-swf Tropen (DE-588)4060997-2 gnd rswk-swf Tropen (DE-588)4060997-2 g Ökologie (DE-588)4043207-5 s DE-604 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=001476359&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Ewusie, Joseph Yanney Elements of tropical ecology with reference to the African, Asian, Pacific and New World tropics Écologie - Régions tropicales Ökologie Ecology Tropics Ökologie (DE-588)4043207-5 gnd |
| subject_GND | (DE-588)4043207-5 (DE-588)4060997-2 |
| title | Elements of tropical ecology with reference to the African, Asian, Pacific and New World tropics |
| title_auth | Elements of tropical ecology with reference to the African, Asian, Pacific and New World tropics |
| title_exact_search | Elements of tropical ecology with reference to the African, Asian, Pacific and New World tropics |
| title_full | Elements of tropical ecology with reference to the African, Asian, Pacific and New World tropics J. Yanney Ewusie |
| title_fullStr | Elements of tropical ecology with reference to the African, Asian, Pacific and New World tropics J. Yanney Ewusie |
| title_full_unstemmed | Elements of tropical ecology with reference to the African, Asian, Pacific and New World tropics J. Yanney Ewusie |
| title_short | Elements of tropical ecology |
| title_sort | elements of tropical ecology with reference to the african asian pacific and new world tropics |
| title_sub | with reference to the African, Asian, Pacific and New World tropics |
| topic | Écologie - Régions tropicales Ökologie Ecology Tropics Ökologie (DE-588)4043207-5 gnd |
| topic_facet | Écologie - Régions tropicales Ökologie Ecology Tropics Tropen |
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