The Amazon basin contains the largest and most diverse tropical rainforest in the world. Besides the Andes and the Atlantic Ocean, the rainforest is bounded to the north by the Guiana crystalline shield and to the south by the Brazilian crystalline shield marked at their edges by cataracts in the rivers often dominated by grasslands. This book is motivated not just by the Amazon's scientific interest but also by its role in many ecostystem functions critical to life on Earth. Those ecosystems are characterized both by their complexity and their interactive, higher-order linkages among both…mehr
The Amazon basin contains the largest and most diverse tropical rainforest in the world. Besides the Andes and the Atlantic Ocean, the rainforest is bounded to the north by the Guiana crystalline shield and to the south by the Brazilian crystalline shield marked at their edges by cataracts in the rivers often dominated by grasslands. This book is motivated not just by the Amazon's scientific interest but also by its role in many ecostystem functions critical to life on Earth. Those ecosystems are characterized both by their complexity and their interactive, higher-order linkages among both abiotic and biotic components. Within Amazonia, the Western Amazon (west of 65o latitude) is the most pristine and, perhaps the most complex within the Amazon basin. This Western Amazon may be broadly divided into non-flooded forests (e.g., terra forme, white sand, palm) and forests flooded with white-water (generally referred to as varzea) and with black-water (generally referred to as igapo).Here, for the first time, is a book devoted entirely to Western Amazonia containing chapters by scientists on the forefront of their own areas of expertise. It should be a valuable resource for all future researchers and scholars who venture into it, as it continues to be one of the most beautiful, mysterious, remote and important ecosystems on Earth.
Randall Myster is a Professor at the Oklahoma State University, Oklahoma City. He is a well known tropical forest ecologist and has published more than 50 papers and edited two books previously.
Inhaltsangabe
List of Contributors xi
Prologue xv
1 Introduction 1 Randall W. Myster
1.1 The Amazon 2
1.2 The Western Amazon 6
1.2.1 Case study: Sabalillo Forest Reserve 8
1.2.1.1 White-sand forest and palm forest plot studies 9
1.2.1.2 Black-water flooded forest (igapó) soil and vegetation studies 10
1.2.2 Case study: Area de Conservacion Regional Comunal de Tamshiyacu-Tahuayo 11
1.2.2.1 Plots in terra firme forest and black-water flooded forest (igapó) 11
1.2.2.2 Seed predation studies in terra firme forest and black-water flooded forest (igapó) 13
1.2.3 Case study: Centro de Investigacion de Jenaro Herrera 13
1.2.3.1 Soil sampling in various forest types 14
1.2.3.2 Seed rain sampling in various forest types 15
2 A Floristic Assessment of Ecuador's Amazon Tree Flora 27 Juan E. Guevara, Hugo Mogollón, Nigel C. A. Pitman, Carlos Ceron, Walter A. Palacios, and David A. Neill
2.1 Introduction 27
2.2 Methods 28
2.3 Study area 29
2.3.1 Yasuní 29
2.3.2 Cuyabeno 29
2.4 Herbarium collections 30
2.5 Floristic inventories 30
2.6 Data analysis 31
2.6.1 Estimation of observed and expected tree species richness 32
2.7 Results 32
2.7.1 Observed patterns of tree species richness 32
2.7.2 Estimated number of tree species in Ecuadorian Amazonia 34
2.7.3 Floristic relationships and discontinuities at local and regional scales 36
2.8 Aguarico-Putumayo watershed 37
2.9 Napo-Curaray basin 37
2.10 Pastaza basin region 38
2.11 Cordillera del Cóndor lowlands 39
2.12 What factors drive gradients in alpha and beta diversity in Ecuador Amazon forests? 41
2.12.1 Climate and latitudinal and longitudinal gradients 41
2.13 The role of geomorphology and soils on the patterns of floristic change in Ecuadorian Amazonia 43
2.14 Potential evolutionary processes determining differences in tree alpha and beta diversity in Ecuadorian Amazonia 44
2.15 Future directions 47
References 48
3 Geographical Context of Western Amazonian Forest Use 53 Risto Kalliola and Sanna Mäki
3.1 Introduction 54
3.2 Conditions set by the physical geography 54
3.3 Pre-Colonial human development 57
3.4 Colonial era 59
3.5 Liberation and forming of nations 63
3.6 World market integration and changing political regimes 64
3.7 Characteristics of the present forest use 67
3.8 Present population and regional integration 73
References 77
4 Forest Structure, Fruit Production and Frugivore Communities in Terra firme and Várzea Forests of the Médio Juruá 85 Joseph E. Hawes and Carlos A. Peres
4.1 Introduction 85
4.2 Methods 88
4.3 Results and discussion 91
4.4 Conclusion 94
References 94
5 Palm Diversity and Abundance in the Colombian Amazon 101 Henrik Balslev, Juan-Carlos Copete, Dennis Pedersen, Rodrigo Bernal, Gloria Galeano, Álvaro Duque, Juan Carlos Berrio, and Mauricio Sanchéz
5.1 Introduction 101
5.2 Study area 102
5.3 Methods 103
5.4 Results 104
5.4.1 Palms in terra firme forests (Figure 5.2) 104
2 A Floristic Assessment of Ecuador's Amazon Tree Flora 27 Juan E. Guevara, Hugo Mogollón, Nigel C. A. Pitman, Carlos Ceron, Walter A. Palacios, and David A. Neill
2.1 Introduction 27
2.2 Methods 28
2.3 Study area 29
2.3.1 Yasuní 29
2.3.2 Cuyabeno 29
2.4 Herbarium collections 30
2.5 Floristic inventories 30
2.6 Data analysis 31
2.6.1 Estimation of observed and expected tree species richness 32
2.7 Results 32
2.7.1 Observed patterns of tree species richness 32
2.7.2 Estimated number of tree species in Ecuadorian Amazonia 34
2.7.3 Floristic relationships and discontinuities at local and regional scales 36
2.8 Aguarico-Putumayo watershed 37
2.9 Napo-Curaray basin 37
2.10 Pastaza basin region 38
2.11 Cordillera del Cóndor lowlands 39
2.12 What factors drive gradients in alpha and beta diversity in Ecuador Amazon forests? 41
2.12.1 Climate and latitudinal and longitudinal gradients 41
2.13 The role of geomorphology and soils on the patterns of floristic change in Ecuadorian Amazonia 43
2.14 Potential evolutionary processes determining differences in tree alpha and beta diversity in Ecuadorian Amazonia 44
2.15 Future directions 47
References 48
3 Geographical Context of Western Amazonian Forest Use 53 Risto Kalliola and Sanna Mäki
3.1 Introduction 54
3.2 Conditions set by the physical geography 54
3.3 Pre-Colonial human development 57
3.4 Colonial era 59
3.5 Liberation and forming of nations 63
3.6 World market integration and changing political regimes 64
3.7 Characteristics of the present forest use 67
3.8 Present population and regional integration 73
References 77
4 Forest Structure, Fruit Production and Frugivore Communities in Terra firme and Várzea Forests of the Médio Juruá 85 Joseph E. Hawes and Carlos A. Peres
4.1 Introduction 85
4.2 Methods 88
4.3 Results and discussion 91
4.4 Conclusion 94
References 94
5 Palm Diversity and Abundance in the Colombian Amazon 101 Henrik Balslev, Juan-Carlos Copete, Dennis Pedersen, Rodrigo Bernal, Gloria Galeano, Álvaro Duque, Juan Carlos Berrio, and Mauricio Sanchéz
5.1 Introduction 101
5.2 Study area 102
5.3 Methods 103
5.4 Results 104
5.4.1 Palms in terra firme forests (Figure 5.2) 104
5.4.2 Palms in floodplain and terrace for
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