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The complexity of ecosystems forms perhaps the greatest challenge
for natural science. Even the first step to comprehensive analysis,
namely a survey of the participating species, often forms a major
obstacle. This makes it understandable that ecologists try to
abstract general principles from the interrelationships of the
multitude of species for use in their efforts to investigate
ecosystem dynamics. Such 'unifying concepts' were the main theme of
the 'First International Congress of Ecology' organized in The
Hague in September 1974 by the International Association of Ecology
(INTECOL), under the auspices of the Division of Environmental
Biology of the International Union of Biological Sciences (IUBS).
This book contains the papers presented at the plenary sessions of
the Congress and a summary of the discussions engendered by them.
At the Congress over 800 ecologists from many countries,
representing diverse disciplines such as limnology, botany,
zoology, microbiology, agriculture, met together for a week. The
study of ecosystem dynamics depends on mutual understanding and
close cooperation, and to stimulate an integrated approach a number
of main speakers were invited to contribute papers on notions such
as energy flow, productivity, diversity, stability and maturity
from different points of view. These invited papers were presented
at the morning plenary sessions, followed by discussions.
First published in 1980, this important book brings together the
results of worldwide research (from the tropics to the Arctic) to
determine the relative productivity of different freshwater
environments, especially lakes. The investigations are presented in
a comparative manner and the underlying causes considered. In
addition this book is a useful summary of the extensive work done
in Eastern Europe and the former Soviet Union and it makes these
results available to a wider audience. The many authors are
internationally recognized authorities and their syntheses are
based on special studies of over ninety sites around the world
during the 10 years of the IBP investigations, as well as on
published material.
The result of compiling widely scattered research on fish in tropical rivers, lakes and seas. A comprehensive overview of the ecology of fish communities in freshwater as well as marine environments.
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