There are several holes in this article. >The tribe in Central Europe ate almost exclusively freshwater fish until around 3000 B.C 3000 BC was still stone (co

There are several holes in this article. >The tribe in Central Europe ate almost exclusively freshwater fish until around 3000 B.C 3000 BC was still stone (copper) age in Central Europe. Agriculture is very hard with stone tools. Also climate could be much cooler for long period. At that time I would choose fish anytime. > Typically, he said, the arrival of farming led to widespread deforestation and the disappearance of wildlife Several places in Central Europe were deforested as late as 12th century. Early European agriculture relied on burning part of forest, using it until ground was fertile and than moving to other place. Intensive agriculture (which leads to widespread deforestation) was not used until middle-ages. > Despite the fact that they were neighbours, there was little, if any, interbreeding between the two cultural groups, according to the results of a DNA analysis > Nehlich acknowledged that lack of interbreeding may have been due to cultural reasons, but said that is pure speculation in the absence of evidence. They probably lived in different periods, possibly separated by hundreds of years. Culture has nothing to do with it, even neanderthals were interbreeding with early modern humans. It was common to kidnap and marry woman from different tribes.