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Ecological Limits and Economic Development$
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Ramprasad Sengupta

Print publication date: 2013

Print ISBN-13: 9780198081654

Published to Oxford Scholarship Online: May 2013

DOI: 10.1093/acprof:oso/9780198081654.001.0001

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Biosphere and Ecosystems

Biosphere and Ecosystems

Chapter:
(p.67) 4 Biosphere and Ecosystems
Source:
Ecological Limits and Economic Development
Author(s):

Ramprasad Sengupta

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780198081654.003.0004

The chapter introduces some of the basic concepts of ecology to characterize the biosphere of the earth, its ecosystems and their components of biotic and abiotic environment. It describes the organic and inorganic substances and climate conditions as constituents of the ecosystems which determine their structure and function and the conditions of supply of various natural resources and eco-services to the human economy. The chapter also explains the solar energy flow and the hydrological and bio-geochemical cycles to further elaborate the functions of eco-services of regeneration of resources and absorption of wastes for the economy. It characterizes the energetics of the ecosystems and its modification due to human intervention, pointing to the need for a holistic view of energy analysis taking account of its flows and uses in both the ecological and the economic processes for our better understanding of the physical conditions of sustainable development.

Keywords:   Biosphere, Ecosystems, Organic and Inorganic Resources, Climate Condition, Limiting factor, Solar Energy Flow, Bio-geochemical Cycles, Energetics of Ecosystems

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