Reef check Started 1997 Largest international coral reef monitoring program involving recreational divers and marine scientists Aims: Overview of human impacts on coral reefs long-term monitoring Over 1500 trained volunteer divers are led by 160 scientists in surveys of 250 reefs Result compiled by comparing fish and invertebrate species and substrate types which are indicators of the health of the reef
Reef Check Methodology
Reef check survey: Site selection Site description Transect laying Fish survey belt Invertebrate survey belt Substrate survey (point sampling)
One Transect Line for Fish, Invertebrate and Substrate (100m Long) 1 st Transect (20m) 2 nd Transect (20m) 3 rd Transect (20m) 4 th Transect (20m) 5m spaces between transects
Transect
Fish Indicator species
Invertebrate indicator species
Substrate categories
Sample Reef Check Results