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Types of
Artificial Reef

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Types of Artificial Reef

Types of Artificial Reef

Many types of AR have been deployed in Hong Kong waters. The choices of the types deployed depending on the suitability to the deployment sites, availability of materials, and most importantly, the purposes of deployment.

The majority of the types (e.g. old vessels, concrete blocks) aim to increase the complexity of habitats in order to foster the growth and survival of fishes and other marine organisms; other types aim to serve as anti-trawling devices to protect the habitats from destructive fishing and were deployed at the periphery of important spawning and nursery grounds; and the biofilters aim to improve water quality in fish culture zones.

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Types of AR Page Full table (Static Header Ver.)

Full table of Types of Artificial Reef 1

Material Description Length (m) Width (m) Height (m) Deployment Area Deployment Location
Concrete Box18 4.0 4.0 1.8 Yan Chau Tong YCT7, YCT12
Box33 4.0 4.0 3.3 Yan Chau Tong YCT12
Box48 4.0 4.0 4.8 Yan Chau Tong, Port Shelter YCT12
Toblerone 4.0 4.4 1.6 Yan Chau Tong YCT7, YCT12
Single Storey 4.2 4.2 1.6 Yan Chau Tong YCT7, YCT12
Reef ball 3.7 3.7 1.6 Yan Chau Tong YCT7, YCT12
Hollow Cubes 2.0 2.0 2.0 Yan Chau Tong YCT7, YCT12
Concrete-coated material 3-layer tyre pyramid 3.0 3.0 3.0 Yan Chau Tong, Hoi Ha Wan YCT9, YCT10, HHW7
Steel container 6.0 2.5 1.5 Sha Chau SC1-6
Fibreglass unidirectional biofilter 4.2 3.8 4.0 Kau Sai
Fibreglass bidirectional biofilter 4.2 3.8 4.0 Kau Sai
Fibreglass unidirectional biofilter 3.0, 3.0 3.0, 3.0 6.0, 5.0 Sham Wan
Fibreglass unidirectional biofilter 3.0, 3.0 3.0, 3.0 4.0, 5.0 Lo Tik Wan
Fibreglass anti-trawl biofilter 5.0, 5.0 4.0, 4.0 4.0, 5.0 Long Harbour
Ferro-cement vessel AR10 33.4 7.5 7.0 Hoi Ha Wan HHW7
AR13 33.0 6.4 6.2 Yan Chau Tong YCT3
Low-profile river barge 24.6 5.1 1.6 Sha Chau SC1-6
High-profile river barge 28.0 5.5 3.9 Chek Lap Kok CLK1-5
Natual material Quarry rock Yan Chau Tong YCT7, YCT12
Redundant marine structures Dolphin(fender) 16.0 8.0 6.0 Port Shelter
North Point Kadak Pier 80.0 10.0 6.0 Port Shelter PS6
North Point Fire Services Pier 20.0 10.0 6.0 Port Shelter PS6
Pak Sha Wan Pier 47.0 8.7 4.0 Port Shelter PS6
North Point Low Level Salt Water Pumping Station 8.2 13.1 9.6 Port Shelter PS6
Kadoorie Pier 10.1 3.8 4.9 Port Shelter PS6
Hei Ling Chau Pier 63.1 4.3 5.5 Port Shelter PS6
Tam Lam Chung Pier 39.4 9.2 9.0 Port Shelter PS6
Cheung Chau Pier Port Shelter PS6
Wo Kai Sha Pier Port Shelter PS6
Sha Tau Kok Pier Port Shelter PS6
Ko Lau Wan Pier Port Shelter PS6
Sha Tau Kok Pier Tung Ping Chau A,B
Tung Ping Chau Pier Tung Ping Chau A, B, C
Ko Lau Wan Pier Tung Ping Chau C
Wong Shek Pier Tung Ping Chau C
Ngon Shuen Chau Pier Ngon Shuen Chau Pier B
Steel vessel AR01 41.6 8.2 7.5 Hoi Ha Wan HHW1
AR02 33.0 6.4 9.0 Hoi Ha Wan HHW1
AR03 35.3 6.5 9.0 Hoi Ha Wan HHW2
AR04 30.5 6.7 9.0 Hoi Ha Wan HHW2
AR11 28.5 5.9 4.5 Yan Chau Tong YCT2
AR16 30.2 5.9 7.8 Yan Chau Tong YCT4
AR17 39.6 7.2 8.0 Yan Chau Tong YCT5
AR18 33.0 6.0 9.0 Yan Chau Tong YCT5
AR19 30.0 6.0 9.0 Yan Chau Tong YCT6
AR20 42.0 8.0 7.5 Yan Chau Tong YCT6
Custom built (Type A) 29.2 8.6 4.9 Long Harbour LH1, 2&4
Custom built (Type B) 29.2 8.6 8.9 Port Shelter PS1-12 (except PS4, 5&9)
Custom built (Type C) 29.2 8.6 3.8 Long Harbour LH3, 5, 6
Custom built (Type D) 29.2 8.6 8.9 Port Shelter PS5, 9
Used Tyre 3-layer pyramid 3.0 3.0 3.0 Yan Chau Tong , Hoi Ha Wan YCT, HHW
4-layer pyramid 4.2 3.9 3.9 Kat O
4-layer cube 4.2 3.9 3.9 Kat O
5-layer pyramid 5.1 4.9 4.9 Port Shelter , Long Harbour PS 1-12 , LH1-6 (except PS4)
Wooden vessel AR05 16.0 4.0 6.0 Hoi Ha Wan HHW3
AR06 21.0 5.3 7.0 Hoi Ha Wan HHW3
AR07 33.0 7.0 9.0 Hoi Ha Wan HHW4
AR08 15.2 4.0 6.0 Yan Chau Tong YCT1
AR09 21.5 6.6 7.0 Yan Chau Tong YCT1
AR12 21.1 6.9 6.8 Yan Chau Tong YCT2
AR14 19.0 6.2 7.0 Yan Chau Tong YCT3
AR15 21.1 6.2 7.0 Yan Chau Tong YCT4

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