Fauna of Europe of the Baltic Sea has led to the evolution of many slightly divergent species, such as the Baltic Sea herring, which is a smaller variant of the Atlantic herring. The most frequent benthic species are "Saduria entomon" and "Monoporeia affinis", which is originally a freshwater species. A great part of its bottom is anoxic and without animal life. The Baltic Sea and North Sea are also home to a variety of marine mammals (common seals, grey seals). Europe contains several important freshwater ecoregions, including the heavily developed rivers of Europe, the rivers of Russia, which flow into the Arctic, Baltic,
Memory of the World Register – Europe and North America giants of literature, science and music, copies of landmark motion pictures and short films, and accounts documenting changes in the world's political, economic and social stage. Of these, 97 properties were nominated by countries from the region of Europe and North America. A. Names and spellings provided are based on the official list released by the Memory of the World Programme. Memory of the World Register – Europe and North America The first inscriptions on the UNESCO Memory of the World Register were made in 1997. By creating a compendium of the world's documentary heritage—manuscripts, oral traditions, audio-visual materials, library