Threats to reef
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Threats to reef. Cyanide Fishing. Blast Fishing. Reef gleaning. Muro-ami. Overfishing. Reef check. Overview. Established 1997 as part of the International year of the Reef (IYOR) Easy methodology ensures quick training with no prior knowledge necessary

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Reef gleaning

Muro-ami

Overfishing



Overview
Overview

  • Established 1997 as part of the International year of the Reef (IYOR)

  • Easy methodology ensures quick training with no prior knowledge necessary

  • Results indicative of health of reef and anthropogenic impacts

  • Now largest international coral reef monitoring program involving recreational divers and marine scientists

  • Over 1500 trained volunteer divers surveying over 250 sites

  • 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 methodology:

  • 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)

1st Transect

(20m)

2nd Transect

(20m)

3rd Transect

(20m)

4th Transect

(20m)

0

20

45

25

50

70

75

95

100

5m spaces between transects






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