Biotic feedbacks/regulation? biota plays a critical role at micro-and nano-scales but feedbacks occur at all scales especially meso-and global at larger scales effects are due to the longer-term, agglomerative impacts of the biota(eg catchments, Earth)Biotic feedbacks/regulation? biota plays a critical role at micro- and nano-scales but feedbacks occur at all scales, especially meso- and global￾at larger scales, effects are due to the longer-term, agglomerative impacts of the biota (eg. catchments, Earth)