2. 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

3. Reef Check Methodology

4. Reef check survey: Site selection Site description Transect laying Fish survey belt Invertebrate survey belt Substrate survey (point sampling)

5. 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 020 25 45 50707595100

6. Transect

7. Fish Indicator species

8. Invertebrate indicator species

9. Substrate categories

10. Sample Reef Check Results