1. Geographical position, geological development, hydrographical features, climate and physical drivers together create the Baltic Sea environment. … Being a semi-enclosed continental sea with a large drainage area compared to its water volume, the Baltic Sea ecosystem is heavily impacted by the surrounding landmasses.
What is special about the Baltic Sea?
The unique Baltic Sea. The Baltic Sea is the youngest sea of our planet. … Due to massive freshwater runoff from the land and limited salt water inflows from the Danish straits, the salinity of the Baltic Sea is much lower than that of the oceans, and the water is considered to be brackish water instead of sea water.
Why is the Baltic Sea so important?
An important source of salty water is infrequent inflows of North Sea water into the Baltic. Such inflows are important to the Baltic ecosystem because of the oxygen they transport into the Baltic deeps, used to happen regularly until the 1980s. In recent decades they have become less frequent.
Why does the Baltic Sea have a unique ecology?
The salinity is too low for most Atlantic and North Sea species, and too high for many freshwater species. Still, a mixture of marine and freshwater species has adapted to this brackish water environment. … These factors make the Baltic Sea a particularly fragile ecosystem.
Can you swim in the Baltic Sea?
The Baltic sea water is cool, but not cold at summer. … The beach is safe, and you cannot swim so far, because you will kick some sea-rocks when you go far away from the shore. The water is shallow, just go to try it, no harm.
Are there sharks in the Baltic Sea?
Contrary to popular belief, there are sharks in the Baltic Sea. In fact, 31 species of sharks and closely related skates, rays and chimaeras (collectively known as cartilaginous fishes) have been recorded in this area.
Does Russia border the Baltic Sea?
Petersburg at its head. Proceeding clockwise from the west, the countries bounding the Baltic are Denmark, Sweden, Finland, Russia, Estonia, Latvia, Lithuania, Poland, and Germany. Coast of Bornholm, Den., on the Baltic Sea.
What is known as the key to the Baltic Sea?
Russia as key to the Baltic Sea region.
Who is polluting the Baltic Sea?
The Baltic Sea is almost totally surrounded by land and therefore more endangered by pollution than other marine areas. The sources of marine pollution are municipal and industrial waste inputs directly into the sea or via rivers, and atmospheric inputs mainly from traffic and agriculture.
Is the Baltic Sea toxic?
Fish from some areas of the Baltic Sea are so contaminated that they may be too toxic for EU markets, warns WWF. … The level of brominated flame retardants (PBDEs) found in herring is 5 times higher in the Baltic Sea than in the Atlantic. But it is not only the fish that is contaminated.