Boreal Climatic Interval

…first postglacial climatic phase (the Boreal), spruce, fir, pine, birch, and hazel nevertheless established themselves as far north as central Sweden and Finland. During the succeeding climatic optimum (the Atlantic phase), which was probably wetter and certainly somewhat warmer, mixed forests of oak, elm, common lime (linden), and elder spread…

…± 500 bp (the early Boreal Warm stage). At Lake Balaton (in Hungary) high terrace levels also mark the Allerød and early Boreal Warm stages. Lake Victoria (in East Africa) exhibits the identical twin oscillation in its terrace levels.

…during the Pre-Boreal and the Boreal (c. 8000–5500 bce, determined by radiocarbon dating) caused a remarkable change in late glacial flora and fauna. Thus, the Mediterranean zone became the center of the first cultural modifications leading from the last hunters and food gatherers to the earliest farmers. This was established…