Why are the "best" sites chosen for the survey?
Site selection is a critical factor in the success of Reef Check and should be done by the Team Scientist. One goal of Reef Check is to determine the widespread extent of human impacts on coral reefs. For this reason, Reef Check teams that can only survey one site should survey the "best" site they have access to (i.e. sites least likely to have been affected by human impacts, fishing, pollution etc). Such a site should have high living hard coral cover, and dense fish and mobile invertebrate populations.