What Is the Cumulative Baosphere?

There are six billion more people on the earth than there were when alexander hamilton first rat battled thomas jefferson, right? So that means there's a lot less of something. The cumulative baosphere stretches back pretty much to the beginning of the earth and also stretches on for about a billion years after now. According to this, a billion and a half years from now, there there is no more living mass, but bio mass.