Also, the number of bison on the Great Plains was never more than 30 million, and probably more like 15-20 million. 75 years ago the number of 100 million bison was thrown out there, and became gospel for decades--and various environmental groups still intentionally use that figure It's only when the amount of biomass was estimated it was realized that no way more than 30 million bison could exist--and that is an upper limit.
The article is good, but I think in some cases it is overstating the effect Indians had on wildlife populations.
