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Appendix

1. GLOSSARY

Management regime: A management regime is the type of regulations and restrictions placed on an area, whether local or federal, and may or may not be enforced. This includes no-take zones, gear restriction, or open access. Regulation details in MERMAID include:

  • Parties involved in the creation and/or enforcement of management (community/local government, government, NGO, private sector) 
  • Compliance – the optional estimate of level of compliance associated with this management regime (full, none, somewhat) 
  • No Take (Yes/No) 
  • Open Access for fishing and entering (Yes/No) 
  • Partial Restrictions (Periodic Closures, Size Limits, Gear Restrictions, Species Restrictions) Site: A site is a geographic location where transect observations take place. They each have a name that can be letters, numbers, or a combination. Sites include: latitude and longitude coordinates, country, reef type, and reef zone. 

Site: A site is a geographic location where transect observations take place. They each have a name that can be letters, numbers, or a combination. Sites include: latitude and longitude coordinates, country, reef type, and reef zone.

2. TRANSECT RESOURCES

Transects in MERMAID are similar to methods described in the Coral Reef Monitoring Protocol for Assessing Marine Protected Areas (Ahmadia et. al 2013).

Habitat Complexity: The visual score ranges from 0 (flat) to 5 (highly complex), which has been shown to be an important predictor of reef fish biomass (Darling et al. 2017).

During underwater surveys, complexity scores are assigned to one of the following categories between 0 and 5: Along each transect, structural complexity can be estimated multiple times (e.g., every 5 m) to provide an average structural complexity score per transect.

Habitat Complexity Visual Score

Relief Level

0

No vertical relief, flat or rubbly areas

1

Low (<30 cm high) and sparse relief

2

Low but widespread relief

3

Widespread moderately complex (30-60cm high) relief

4

Widespread very complex (60-100 cm high) relief with numerous fissures and caves

5

Exceptionally complex (>1 m high) relief with numerous caves and overhangs

Wilson et. al, 2007

Along each transect, structural complexity can be estimated multiple times (e.g., every 5 m) to provide an average structural complexity score per transect