Updates on what has been found and plans ahead for the Comprehensive Marine Biodiversity Survey by Dr Tan Koh Siang

2.  Part I of CMBS
 60 Mudflat surveys done since beginning of
projects
 Lab sorting sessions held in TMSI (NUS campus)
after each surveys
No. of specimens collected 10368 (More sorting n counting to go)
No. of specimens identified to species 4012
% of specimens identified to species 38.7%
No. of species collected and identified 315

3. LATEST SURVEYS IN RED, PREVIOUS
SURVEYS IN BLUE
MF1, 34 Sungei Buloh
MF2, 12 Kranji (Beside nature trail)
MF3,36, 46 Sungei Cina
MF4 Pulau Ubin
MF5,23 Sungei Pandan
MF6, 37,43 Sungei Mandai
MF7, 30 Lim Chu Kang
MF16 St John Island (Beside jetty)
MF38, 41 Pulau Ubin (Kampong
Melayu)
MF39, 40 Semakau Landfill
MF45 Seletar
MF50 Sungei Api Api
MF52 Changi Creek
MF58 Pasir Ris (Between Sungei

4. LATEST SURVEYS IN RED, PREVIOUS SURVEYS IN BLUE
MF8 West of Woodlands Waterfront
MF9 Pulau Ubin OBS sites
MF10, 53 St John Island
MF11 Lazarus Island
MF13 Pulau Ubin (Kampong Melayu)
MF14 Pulau Ubin (Mamam Beach)
MF15 Pulau Hantu (Big Lagoon)
MF22,28 Pasir Ris (Between Sungei Api Api and Sungei
Tampines)
MF24 Tuas (Tuas West Drive)
MF25 Changi Creek
MF26, 62 Western Catchment (Off Pulau Pergam)
MF27, 30 Lim Chu Kang (Beside Girl Guide Camp, Old
waterfront house)
MF29 Seletar (North shore of Yishun Ave 1)
MF31, 32 Semakau Landfill (Stonefish Bay, South replanted
mangrove)
MF33 Punggol (Along track 22)
MF35 Sungei Jurong (Along Jalan Papan)
MF 42 Pulau Ketam
MF 44, 57 Pulau Tekong (north)
MF48 Serimbun
MF 49 Sungei Simpang
MF51 Coney Island
MF55, 59 Sungei Loyang
MF60 Pulau Tekong (Sungei Unum)
MF61, 64 Pulau Pawai

5.  Recce / TMSI team only
 Random sampling to assess general biodiversity
 With volunteers
 Belt transects (50 m) as standard protocol for qualitative
biodiversity information
 Quantitative data for specific sites and targeted biota to be
carried out in the future
 Material needs to be preserved for:
 accurate species identification
 voucher (reference) material in RMBR

6. Mudflat survey
Sampling methodology
 Two major components of faunal
diversity:
 Infauna
 Epifauna
 Infaunal sampling using simple manual
excavation, 1 mm/2 mm sieves, yabby
pumps
 Epifaunal sampling using seines/push
nets
 Sampling for meiofauna (small benthic
invertebrates that are < 1 mm in
maximum dimension) using fine sieves

7.  Part II of CMBS
 Sampling of subtidal benthic fauna within Singapore Port limits
 Volunteers are needed both onboard vessel and in the laboratory
for sorting and identification
 10 nautical grids have been covered done since beginning of
surveys
 Lab sorting sessions are held in TMSI (St John’s Island and NUS
campus) after surveys
No. of specimens collected 1912 (More sorting n counting to go)
No. of specimens identified to species 127
% of specimens identified to species 6.6%
No. of species collected and identified 54

8. Localities surveyed
NAUTICAL GRIDS SURVEYED
3923 off P. Pergam (south)
3924 off P. Pergam (north)
4517 off Republic of Singapore Yacht Club
4516 off Pasir Panjang Ferry Terminal
4513, 4613 betw P. Bukom and P. Semakau
4612, 4511 south of P. Semakau
4712 Betw P. Semakau, P. Sebarok, and P. Jong
5013 betw St John’s Island, Sister’s Islands, and
P. Tekukor

9. Seabed survey
Sampling methodology
 Rectangular dredge for benthic fauna
 Otter trawl for pelagic fauna
 Grabs and bottom seines

10.  Part III of CMBS
 Sampling of intertidal and subtidal reefs in Singapore
Strait using SCUBA, supplemented by reef walks
during low tide
 Volunteers are needed both in and out of water for
sampling invertebrates and fish

11. Preliminary results from the
March 2012 Ubin Mini Workshop

12.  Amphipods - 16 genera, 20 species
 Fish – 27 genera, 31 species
 Polychaetes – 22 genera, 25 species
 Hermit crabs – 4 genera, 15 species
 True crabs – 31 genera, 34 species
 Bivalves - >3o species and still counting
 Gastropods - >30 species and still counting

13. Stenothoe gallensis Walker, 1904 Caprella equilibra Say, 1818
Bemlos sp. Walker, 1904

14. Diopatra claparedii Grube, 1878
New species record in Singapore!
Loimia cf. medusa
Spaghetti worm
2 new family records of Singapore (Orbiniidae, Sigalionidae).
17 new species records and still counting!

15. Batrachomoeus trispinosus Omobranchus punctatus
Ichthyocampus carce

16. Calyptraea
extinctorium Lingula anatina
Undetermined sea
cucumber
Syphonota geographica
Philyra olivacea