Category Archives: NR

Natural Resources

Large- and Medium-Sized Land Mammals of Northeast Marajó Island, Lower Amazon, Brazil

Author(s): Salvatore Siciliano, Renata Emin-Lima, Alexandra F. Costa, José de Sousa e Silva Abstract Marajó, located in the lower Amazon, Brazil, is one of the largest river islands in the world. Most of the island is subject to tidal or seasonal … Continue reading

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Primitive Mammoth Hunters and the Earliest Breed of Dog

Author(s) :Petr N. Kolosov Nowadays, the Arctic is of intense interest to the world. It is connected with the continental shelf’s energy resources and the actual problems of Earth’s climate, abilities of the Northern Maritime, fishing and tourism. The question of … Continue reading

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Beginning of Biodiversity

Life originated on Earth in the form of unicellular microscopic organisms in sedimentary strata that accumulated in shallow-water seas no later then 3.5 billion years ago. These microorganisms are represented by archebacteria, bacteria and cyanobacteria which have no nucleus in … Continue reading

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