cattle-herd books
2 books found
Alvin Toffler's First Wave began approximately 10,000 years ago. That time marked the end of the Old Stone Age (the Paleolithic) and the beginning of the New Stone Age or the Neolithic. This is approximately when the Agricultural Revolution started. People began clearing land and tilling the soil in order to plant crops as opposed to gathering what nature provided or failed to provide. They also ...
Outside Russia very little is known about the terrestrial ecology, vegetation, biogeographical patterns, and biodiversity of the enormously extensive ecosystems of Yakutia, Siberia. These systems are very special in that they function on top of huge layers of permafrost and are exposed to very severe and extreme weather conditions, the range between winter and summer temperatures being more than ...