I'm in global geophysics, have been for decades, I understand the size and georaphy of the USofA.
> will not destroy ecosystems.
Are you certain about that?
I would have said it was more the case that eco-systems in in off-road 4x4 areas will be destroyed where the vehicles routinely drive and the best comprimise would be to have limited areas for total destruction by 4x4's and larger areas for limited 4x4 constrained to pre existing trails.
Turns out various species are differentially impacted, with the only clear consistent effect being (predictably) decreased sward height. Good news: no reports of ecosystem destruction! Hope this helps.
