Introduction
Content
Objectives
Quiz
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Graphs
glossary
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Objectives
In this chapter you should learn that:
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Marine fauna and flora often provide the first evidence of
impacts of pollution
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One example from the Baltic Sea is the PCB pollution that threatened
the Grey seal population
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The brackish water in the Baltic Sea prevents immigration of
many marine of fresh water species
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The Baltic Sea is species poor but the species found could
occur in large numbers
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The Baltic Sea ecosystem is less robust than more species
rich ecosystems
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The Baltic Sea has been studied and monitored for a long
time
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The Baltic Sea is rich in fish, however, the salmon and cod
populations have decreased dramatically in recent years
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The Baltic Sea is rich in bird species, especially migrating
ones
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