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Raffles Lighthouse Coral Reef Survey Data
2003
Site name: Raffles Lighthouse (R1) |
Date: 1 August 2003 |
Shallow transect depth: 0.0m (crest) |
Deep transect depth: 3.0m |
GCRMN Benthic Summary |
|||||||
Replicate: 5 x 20m |
Collected by NUS Marine Bio Lab |
||||||
Benthic Lifeform Categories |
Codes |
% cover-crest |
Subtotal-crest |
% cover-deep |
Subtotal-deep |
||
Live coral |
Acropora |
Branching |
ACB |
0.12 |
0.65 |
0.06 |
0.06 |
|
Encrusting |
ACE |
0.00 |
0.00 |
|||
Submassive |
ACS |
0.00 |
0.00 |
||||
Digitate |
ACD |
0.00 |
0.00 |
||||
Tabulate |
ACT |
0.53 |
0.00 |
||||
|
Non-Acr |
Branching |
CB |
0.00 |
60.35 |
0.00 |
29.34 |
|
Encrusting |
CE |
2.14 |
3.73 |
|||
Foliose |
CF |
49.16 |
12.64 |
||||
Massive |
CM |
7.66 |
12.54 |
||||
Submassive |
CS |
0.93 |
0.18 |
||||
Mushroom |
CMR |
0.46 |
0.26 |
||||
Millepora |
CME |
0.00 |
0.00 |
||||
Heliopora |
CHL |
0.00 |
0.00 |
||||
Dead coral |
Dead coral |
DC |
0.00 |
16.61 |
0.00 |
49.07 |
|
|
Dead coral with algae |
DCA |
16.61 |
49.07 |
|||
Other Fauna |
Soft coral |
SC |
0.09 |
10.54 |
0.12 |
0.89 |
|
|
Sponge |
SP |
0.34 |
0.15 |
|||
Zoanthid |
ZO |
0.00 |
0.00 |
||||
Others |
OT |
10.11 |
0.62 |
||||
Algae |
Algal assemblage |
AA |
1.63 |
2.51 |
1.08 |
2.47 |
|
|
Coralline algae |
CA |
0.88 |
1.26 |
|||
Halimeda |
HA |
0.00 |
0.00 |
||||
Macroalgae |
MA |
0.00 |
0.07 |
||||
Turf algae |
TA |
0.00 |
0.05 |
||||
Abiotic |
Sand |
S |
0.15 |
9.35 |
0.13 |
18.16 |
|
|
Rubble |
R |
9.20 |
18.03 |
|||
Silt |
SI |
0.00 |
0.00 |
||||
Rock |
RCK |
0.00 |
0.00 |
||||
Total |
|
|
|
100.00 |
|
100.00 |
|
| Site name: Raffles Lighthouse (R2) | Date: 10 May 2003 | ||||||
| Shallow transect depth: 0.0m (crest) | Deep transect depth: 3.0m |
GCRMN Benthic Summary |
|||||||
Replicate: 5 x 20m |
Collected by NUS Marine Bio Lab |
||||||
Benthic Lifeform Categories |
Codes |
% cover-crest |
Subtotal-crest |
% cover-deep |
Subtotal-deep |
||
Live coral |
Acropora |
Branching |
ACB |
0.00 | 0.21
|
0.00 | 0.00 |
|
Encrusting |
ACE |
0.00 | 0.00 | |||
Submassive |
ACS |
0.00 | 0.00 | ||||
Digitate |
ACD |
0.00 | 0.00 | ||||
Tabulate |
ACT |
0.21 | 0.00 | ||||
|
Non-Acr |
Branching |
CB |
0.32 | 48.63
|
0.22 | 18.92 |
|
Encrusting |
CE |
5.90 | 2.18 | |||
Foliose |
CF |
29.09 | 11.45 | ||||
Massive |
CM |
6.13 | 4.29 | ||||
Submassive |
CS |
5.49 | 0.34 | ||||
Mushroom |
CMR |
1.70 | 0.21 | ||||
Millepora |
CME |
0.00 | 0.00 | ||||
Heliopora |
CHL |
0.00 | 0.23 | ||||
Dead coral |
Dead coral |
DC |
0.00 | 30.08
|
0.00 | 50.21 | |
|
Dead coral with algae |
DCA |
30.08 | 50.21 | |||
Other Fauna |
Soft coral |
SC |
0.08 | 2.41
|
0.00 | 1.76 | |
|
Sponge |
SP |
0.81 | 0.60 | |||
Zoanthid |
ZO |
0.00 | 0.04 | ||||
Others |
OT |
1.52 | 1.12 | ||||
Algae |
Algal assemblage |
AA |
2.08 | 3.11
|
2.64 | 7.84 | |
|
Coralline algae |
CA |
0.30 | 4.34 | |||
Halimeda |
HA |
0.00 | 0.00 | ||||
Macroalgae |
MA |
0.73 | 0.86 | ||||
Turf algae |
TA |
0.00 | 0.00 | ||||
Abiotic |
Sand |
S |
0.51 | 15.56
|
5.05 | 21.27 | |
|
Rubble |
R |
15.05 | 16.09 | |||
Silt |
SI |
0.00 | 0.13 | ||||
Rock |
RCK |
0.00 | 0.00 | ||||
Total |
|
|
|
100.00 |
|
100.00 |
|
| GCRMN Benthic Summary for Raffles Lighthouse West | |||||||
| Replicate: 5 x 20m | Depth: Reef crest | ||||||
| Date: 10 May 2002 | Collected by Marine Biology Lab | ||||||
| Benthic Lifeform Categories | Codes | % cover-crest | Subtotal-crest | ||||
| Live coral | Acropora | Branching | ACB | 0 | |||
| Encrusting | ACE | 0 | |||||
| Submassive | ACS | 0 | |||||
| Digitate | ACD | 0 | |||||
| Tabulate | ACT | 0.06 | 0.06 | ||||
| Non-Acr | Branching | CB | 0.32 | ||||
| Encrusting | CE | 5.9 | |||||
| Foliose | CF | 28.46 | |||||
| Massive | CM | 6.08 | |||||
| Submassive | CS | 6.17 | |||||
| Mushroom | CMR | 1.7 | |||||
| Millepora | CME | 0 | |||||
| Heliopora | CHL | 0 | 48.63 | ||||
| Dead coral | Dead coral | DC | 0 | ||||
| Dead coral with algae | DCA | 30.23 | 30.23 | ||||
| Other Fauna | Soft coral | SC | 0.08 | ||||
| Sponge | SP | 0.81 | |||||
| Zoanthid | ZO | 0 | |||||
| Others | OT | 1.52 | 2.41 | ||||
| Algae | Algal assemblage | AA | 2.08 | ||||
| Coralline algae | CA | 0.3 | |||||
| Halimeda | HA | 0 | |||||
| Macroalgae | MA | 0.73 | |||||
| Turf algae | TA | 0 | 3.11 | ||||
| Abiotic | Sand | S | 0.51 | ||||
| Rubble | R | 15.05 | |||||
| Silt | SI | 0 | |||||
| Rock | RCK | 0 | 15.56 | ||||
| Total | 100 | ||||||
Number of Reef Check Target Fish and Invertebrates over four 20m transects
| Replicate: 4 x 20m | Depth: 4.6m | ||||||
| Date: 4 May 2004 | Collected by Jani and Angie Seow | ||||||
| Fish | Shallow |
| Butterflyfish | 55 |
| Sweetlips | 0 |
| Barramundi Cod | 0 |
| Other Groupers (>30cm) | 0 |
| Napolean Wrasse | 0 |
| Bumphead parrotfish | 0 |
| Other parrotfish (>20cm) | 1 |
| Moray eels | 0 |
| Invertebrates | Shallow |
| Banded coral shrimp |
0 |
| Diadema urchin | 42 |
| Pencil urchin | 0 |
| Sea cucumber | 0 |
| Crown of Thorns | 0 |
| Giant clam | 0 |
| Triton shell | 0 |
| Tripnustes | 0 |
| Lobster | 0 |
Back to top
2000
| Site name: Raffles Lighthouse (R1) | Date: 22 May 2000(Crest) 19 June 2000(Deep) | ||||||
| Shallow transect depth: 0m crest | Deep transect depth: 3m |
GCRMN Benthic Summary |
|||||||
Replicate: 5 x 20m |
Collected by TMSI/Jeffrey Low |
||||||
Benthic Lifeform Categories |
Codes |
% cover-crest |
Subtotal-crest |
% cover-deep |
Subtotal-deep |
||
Live coral |
Acropora |
Branching |
ACB |
0.00 |
0.63 |
0.00 |
0.00 |
|
Encrusting |
ACE |
0.00 |
0.00 |
|||
Submassive |
ACS |
0.00 |
0.00 |
||||
Digitate |
ACD |
0.16 |
0.00 |
||||
Tabulate |
ACT |
0.47 |
0.00 |
||||
|
Non-Acr |
Branching |
CB |
0.39 |
37.44 |
0.00 |
27.36 |
|
Encrusting |
CE |
1.13 |
1.59 |
|||
Foliose |
CF |
17.20 |
19.69 |
||||
Massive |
CM |
6.41 |
3.17 |
||||
Submassive |
CS |
2.98 |
0.69 |
||||
Mushroom |
CMR |
0.47 |
0.10 |
||||
Millepora |
CME |
0.00 |
0.00 |
||||
Heliopora |
CHL |
8.86 |
2.12 |
||||
Dead coral |
Dead coral |
DC |
0.00 |
16.74 |
0.00 |
14.55 |
|
|
Dead coral with algae |
DCA |
16.74 |
14.55 |
|||
Other Fauna |
Soft coral |
SC |
0.00 |
1.15 |
0.63 |
1.57 |
|
|
Sponge |
SP |
0.99 |
0.14 |
|||
Zoanthid |
ZO |
0.00 |
0.00 |
||||
Others |
OT |
0.16 |
0.80 |
||||
Algae |
Algal assemblage |
AA |
14.83 |
17.72 |
24.22 |
24.60 |
|
|
Coralline algae |
CA |
0.52 |
0.26 |
|||
Halimeda |
HA |
0.00 |
0.00 |
||||
Macroalgae |
MA |
2.37 |
0.12 |
||||
Turf algae |
TA |
0.00 |
0.00 |
||||
Abiotic |
Sand |
S |
0.00 |
26.32 |
0.44 |
31.92 |
|
|
Rubble |
R |
26.32 |
31.30 |
|||
Silt |
SI |
0.00 |
0.18 |
||||
Rock |
RCK |
0.00 |
0.00 |
||||
Total |
|
|
|
100.00 |
|
100.00 |
|
| Site name: Raffles Lighthouse (R2) | Date: 18 May 2000 | ||||||
| Shallow transect depth: 0m crest | Deep transect depth: 3m |
GCRMN Benthic Summary |
|||||||
Replicate: 5 x 20m |
Collected by TMSI/Jeffrey Low |
||||||
Benthic Lifeform Categories |
Codes |
% cover-crest |
Subtotal-crest |
% cover-deep |
Subtotal-deep |
||
Live coral |
Acropora |
Branching |
ACB |
0.24 |
4.07 |
0.00 |
0.17 |
|
Encrusting |
ACE |
0.00 |
0.00 |
|||
Submassive |
ACS |
0.00 |
0.00 |
||||
Digitate |
ACD |
0.58 |
0.17 |
||||
Tabulate |
ACT |
3.25 |
0.00 |
||||
|
Non-Acr |
Branching |
CB |
0.59 |
47.61 |
0.08 |
44.19 |
|
Encrusting |
CE |
3.06 |
5.35 |
|||
Foliose |
CF |
29.31 |
28.54 |
||||
Massive |
CM |
6.78 |
5.84 |
||||
Submassive |
CS |
6.19 |
3.53 |
||||
Mushroom |
CMR |
1.15 |
0.86 |
||||
Millepora |
CME |
0.05 |
0.00 |
||||
Heliopora |
CHL |
0.48 |
0.00 |
||||
Dead coral |
Dead coral |
DC |
0.00 |
28.37 |
0.00 |
22.60 |
|
|
Dead coral with algae |
DCA |
28.37 |
22.60 |
|||
Other Fauna |
Soft coral |
SC |
0.28 |
3.25 |
0.00 |
0.55 |
|
|
Sponge |
SP |
1.08 |
0.35 |
|||
Zoanthid |
ZO |
0.00 |
0.06 |
||||
Others |
OT |
1.89 |
0.14 |
||||
Algae |
Algal assemblage |
AA |
5.51 |
5.72 |
12.09 |
12.29 |
|
|
Coralline algae |
CA |
0.21 |
0.20 |
|||
Halimeda |
HA |
0.00 |
0.00 |
||||
Macroalgae |
MA |
0.00 |
0.00 |
||||
Turf algae |
TA |
0.00 |
0.00 |
||||
Abiotic |
Sand |
S |
0.00 |
10.98 |
1.45 |
20.19 |
|
|
Rubble |
R |
10.98 |
18.63 |
|||
Silt |
SI |
0.00 |
0.11 |
||||
Rock |
RCK |
0.00 |
0.00 |
||||
Total |
|
|
|
100.00 |
|
100.00 |
|
| Site name: Raffles Lighthouse (R1) | Date: 13 February 1998(Crest) & 08 September 1998(Deep) | ||||||
| Shallow transect depth: 3m crest | Deep transect depth: 6m |
GCRMN Benthic Summary |
|||||||
Replicate: 5 x 20m |
Collected by TMSI/Jeffrey/Beverly(crest) & TMSI(deep) |
||||||
Benthic Lifeform Categories |
Codes |
% cover-crest |
Subtotal-crest |
% cover-deep |
Subtotal-deep |
||
Live coral |
Acropora |
Branching |
ACB |
0.00 |
0.12 |
0.00 |
0.00 |
|
Encrusting |
ACE |
0.00 |
0.00 |
|||
Submassive |
ACS |
0.00 |
0.00 |
||||
Digitate |
ACD |
0.00 |
0.00 |
||||
Tabulate |
ACT |
0.12 |
0.00 |
||||
|
Non-Acr |
Branching |
CB |
0.31 |
40.38 |
0.14 |
8.84 |
|
Encrusting |
CE |
3.05 |
1.91 |
|||
Foliose |
CF |
22.77 |
4.91 |
||||
Massive |
CM |
4.13 |
0.83 |
||||
Submassive |
CS |
2.26 |
0.73 |
||||
Mushroom |
CMR |
0.18 |
0.11 |
||||
Millepora |
CME |
0.00 |
0.21 |
||||
Heliopora |
CHL |
7.68 |
0.00 |
||||
Dead coral |
Dead coral |
DC |
0.00 |
26.28 |
0.00 |
35.46 |
|
|
Dead coral with algae |
DCA |
26.28 |
35.46 |
|||
Other Fauna |
Soft coral |
SC |
0.07 |
2.35 |
0.08 |
3.86 |
|
|
Sponge |
SP |
0.98 |
0.57 |
|||
Zoanthid |
ZO |
0.05 |
0.00 |
||||
Others |
OT |
1.25 |
3.21 |
||||
Algae |
Algal assemblage |
AA |
5.44 |
7.20 |
0.03 |
7.12 |
|
|
Coralline algae |
CA |
0.00 |
7.09 |
|||
Halimeda |
HA |
0.00 |
0.00 |
||||
Macroalgae |
MA |
0.37 |
0.00 |
||||
Turf algae |
TA |
1.39 |
0.00 |
||||
Abiotic |
Sand |
S |
0.11 |
23.67 |
4.24 |
44.72 |
|
|
Rubble |
R |
23.08 |
40.48 |
|||
Silt |
SI |
0.48 |
0.00 |
||||
Rock |
RCK |
0.00 |
0.00 |
||||
Total |
|
|
|
100.00 |
|
100.00 |
|
| Site name: Raffles Lighthouse (R2) | Date: 09 July 1998 | |||
| Shallow transect depth: 6m crest | Deep transect depth: 10m | |||
GCRMN Benthic Summary |
|||||||
Replicate: 5 x 20m |
Collected by TMSI |
||||||
Benthic Lifeform Categories |
Codes |
% cover-crest |
Subtotal-crest |
% cover-deep |
Subtotal-deep |
||
Live coral |
Acropora |
Branching |
ACB |
0.00 |
0.00 |
0.00 |
0.00 |
|
Encrusting |
ACE |
0.00 |
0.00 |
|||
Submassive |
ACS |
0.00 |
0.00 |
||||
Digitate |
ACD |
0.00 |
0.00 |
||||
Tabulate |
ACT |
0.00 |
0.00 |
||||
|
Non-Acr |
Branching |
CB |
0.05 |
18.62 |
0.02 |
3.30 |
|
Encrusting |
CE |
5.17 |
2.77 |
|||
Foliose |
CF |
11.51 |
0.30 |
||||
Massive |
CM |
0.88 |
0.00 |
||||
Submassive |
CS |
0.58 |
0.04 |
||||
Mushroom |
CMR |
0.24 |
0.17 |
||||
Millepora |
CME |
0.00 |
0.00 |
||||
Heliopora |
CHL |
0.19 |
0.00 |
||||
Dead coral |
Dead coral |
DC |
0.00 |
43.83 |
0.00 |
48.88 |
|
|
Dead coral with algae |
DCA |
43.83 |
48.88 |
|||
Other Fauna |
Soft coral |
SC |
0.00 |
4.84 |
0.00 |
9.75 |
|
|
Sponge |
SP |
2.79 |
2.79 |
|||
Zoanthid |
ZO |
0.00 |
0.00 |
||||
Others |
OT |
2.05 |
6.96 |
||||
Algae |
Algal assemblage |
AA |
0.19 |
1.66 |
0.11 |
14.28 |
|
|
Coralline algae |
CA |
1.47 |
14.17 |
|||
Halimeda |
HA |
0.00 |
0.00 |
||||
Macroalgae |
MA |
0.00 |
0.00 |
||||
Turf algae |
TA |
0.00 |
0.00 |
||||
Abiotic |
Sand |
S |
0.99 |
31.05 |
4.03 |
23.79 |
|
|
Rubble |
R |
29.91 |
19.76 |
|||
Silt |
SI |
0.15 |
0.00 |
||||
Rock |
RCK |
0.00 |
0.00 |
||||
Total |
|
|
|
100.00 |
|
100.00 |
|
|
Coral
Reefs of Singapore |
|
| © Reef Ecology Study Team, NUS | Survey Data | |