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The Eastern Mediterranean as a Laboratory Basin for the Assessment of Contrasting Ecosystems (Hardcover, 1999 ed.)
Loot Price: R3,098
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The Eastern Mediterranean as a Laboratory Basin for the Assessment of Contrasting Ecosystems (Hardcover, 1999 ed.)
Series: NATO Science Partnership Subseries: 2, 51
Expected to ship within 12 - 17 working days
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This book is the outcome of a NATO Advanced Research Workshop on
"The Eastern Mediterranean as a laboratory basin for the assessment
of contrasting ecosystems" that was held in Kiev, Ukraine, March
23-27, 1998. The scientific rationale of the workshop can be
summarized as follows. The Eastern Mediterranean is the most
nutrient impoverished and oligotrophic large water body known.
There is a well-defined eastward trend in nutrient ratios over the
entire Mediterranean that starts at the Gibraltar Straits and,
through the western basin, proceeds to the Ionian and Levantine
Seas. Supply of nutrients to the entire Mediterranean is limited by
inputs from the North Atlantic and various river systems along the
sea. The unique feature of the Mediterranean is the presence of an
eastward longitudinal trend in available nitrate/phosphate ratios.
This apparently induces a west-to-east variation in the structure
of the pelagic food web and trophic interactions. In this context
the Mediterranean, and in particular its Eastern basin, provides
probably a unique platform to explore the hypotheses related to the
suggested phosphate-limitation on production and to the shift
between "microbial" and "classical" modes of operation of the
photic food web. The major exception of the overall oligotrophic
nature of the Eastern Mediterranean is the highly eutrophic system
of the Northern Adriatic Sea. Here, during the last two decades the
discharges of the northern rivers (especially of the Po), together
with municipal sewage, have led to a very marked increase of
nutrients and subsequent imponent eutrophication events.
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