While I agree that tree plantations aren't as biodiverse as natural forests, I had been lead to believe that young, fast growing trees sucked in more carbon tha

While I agree that tree plantations aren't as biodiverse as natural forests, I had been lead to believe that young, fast growing trees sucked in more carbon than mature, stable forests. Do you have any citations for why forests are better, CO2-wise? My google search results turned up a mixed bag.