The Biogeochemistry of the Amazon BasinMichael E. McClain, Reynaldo Victoria, Jeffrey E. Richey With a complex assemblage of largely intact ecosystems that support the earth's greatest diversity of life, the Amazon basin is a focal point of international scientific interest. And, as development and colonization schemes transform the landscape in increasing measure, scientists from around the world are directing attention to questions of regional and global significance. Some of these qustions are: What are the fluxes of greenhouse gases across the atmospheric interface of ecosystems? How mush carbon is stored in the biomass and soils of the basin? How are elements from the land transferred to the basin's surface waters? What is the sum of elements transferred from land to ocean, and what is its marine "fate"? This book of original chapters by experts in chemical and biological oceanography, tropical agronomy and biology, and the atmospheric sciences will address these and other important questions, with the aim of synthesizing the current knowledge of biochemical processes operating within and between the various ecosystems in the Amazon basin. |
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Contents
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2 General Characteristics and Variability of Climate in the Amazon Basin and its Links to the Global Climate System | 17 |
3 The Atmospheric Component of Biogeochemical Cycles in the Amazon Basin | 42 |
4 Soil versus Biological Controls on Nutrient Cycling in Terra Firme Forests | 53 |
5 Nutrient Cycling as a Function of Landscape and Biotic Characteristics in the Cerrados of Central Brazil | 68 |
6 Linking Biogeochemical Cycles to Cattle Pasture Management and Sustainability in The Amazon Basin | 84 |
7 Nutrient Considerations in the Use of Silviculture for Land Development and Rehabilitation in the Amazon | 106 |
8 Extractive Reserves and Participatory Research as Factors in the Biogeochemistry of the Amazon Basin | 122 |
11 Carbon Storage in Biomass and Soils | 165 |
12 Terrestrial Inputs to Amazon Streams and Internal Biogeochemical Processing | 185 |
13 Geoecological Controls on Elemental Fluxes in Communities of Higher Plants in Amazonian floodplains | 209 |
14 Biogeochemistry of Amazon Floodplain Lakes and Associated Wetlands | 235 |
15 Organic Matter and Nutrients in the Mainstem Amazon River | 275 |
16 Trace Elements in the Mainstem Amazon River | 307 |
Changes in Dissolved and Particulate Fluxes During RiverOcean Mixing | 328 |
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9 The Recovery of Biomass Nutrient Stocks and DeepSoil Functions in Secondary Forests | 139 |
10 The Interface Between Economics and Nutrient Cycling in Amazon Land Development | 156 |
Other editions - View all
The Biogeochemistry of the Amazon Basin Michael E. McClain,Reynaldo Victoria,Jeffrey E. Richey Limited preview - 2001 |
Common terms and phrases
activities Amazon basin Amazon River Amazonia amounts annual aquatic associated atmosphere average biogeochemical biomass Brazil Brazilian carbon central cerrado changes chemical climate communities composition concentrations cycling deforestation discharge dissolved distribution dynamics Ecology ecosystems effects elements estimated et al extractive fertility flood floodplain flow flux forest forms global growth higher important increase indicate inputs Journal Junk lakes land levels limited litter losses lower mainstem major Manaus material measured mineral natural Negro Negro River nitrogen nutrient observed occur organic matter particulate pasture period phosphorus plant plantations primary processes production rain rainfall rates region relatively reserves Richey Rio Negro role root season secondary forest sediments shelf similar soil species stocks stream studies surface Table terrestrial tion trace transport trees tropical types values variations várzea vegetation