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Cumulative Environmental Impact Assessment (Hardcover, Illustrated Ed)
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Cumulative Environmental Impact Assessment (Hardcover, Illustrated Ed)
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An ecosystem is a complex of interconnected living organisms
inhabiting a particular area or unit of space, together with their
environment and all their interrelationships and relationships with
the environment having a well-maintained ecological processes and
interactions. It is characterised by the abundance of individual
species populations; interspecies relationships; activity of
organisms; physical and chemical characteristics of environment;
flows of matter, energy, and information; and description of
changes of these parameters with time. Hence, its surroundings can
be categorised into physical and biological environment, which are
self-defined, self-maintained and self-sustained dynamic natural
systems. The physical environment comprises of lithosphere,
hydrosphere and atmosphere, while the living beings in the
biosphere constitute biological environment. The biosphere contains
many delicate biological processes that have taken billions of
years to evolve and there is a natural equilibrium for life
sustaining processes dependent on relatively slow rates of
recycling. These natural processes as well as resources are being
over driven by human activities to meet the growing demands of the
population. These developmental activities by humans ignoring the
ecosystems and functional aspects are instrumental in bringing
about irreversible changes in the ecosystem and their environment.
The concern now is on the rise for the changes due to human induced
activities that are proving detrimental, as it has exceeded the
recycling rates of natural processes, which are altering the very
nature of the environment. These changes are drastic, both to the
environment and its inhabitants alike. Under such circumstances, it
is necessary to do a retrospective analysis of the present
situation to identify the degree of seriousness of different kinds
of anthropogenic activities on the environment, plausible measures
to curb further damaging to environment and better ways to live in
harmony with the environment.
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