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Not to the same extent.Wild herbivores are not bred to fatten quickly and their numbers are kept in check by wild carnivores. We have got rid of most of the latter and vastly increased the mass of herbivores,All that means is that we are turning over the carbon faster. Essentially, all the "extra" people are breathing out CO2 so we have to grow plants that absorb it- or we would run out of food to oxidise.
The draining swamps etc is, of course, a double whammy.