LIFE AND DEATH  AT CHEK JAWA A UROPS RESEARCH EXPERIENCE
I volunteer with… <ul><li>Team Seagrass </li></ul><ul><li>Naked Hermit Crabs </li></ul><ul><li>Semakau intertidal walks wi...
My area of interest <ul><li>Biology  </li></ul><ul><li>mainly Ecology and the environment </li></ul><ul><li>Biotic and abi...
Have you been to  Chek Jawa  before?
Where is   Chek Jawa
Chek Jawa  (103°59'E, 1°24'N), is an intertidal flat located at the eastern tip of Pulau Ubin, a small island to the north...
Chek Jawa is lauded for its high  biodiversity   Figure from  Ria Tan Six  distinct ecosystems exist at Chek Jawa and it i...
Coastal Hill Forest
Mangroves
Rocky Shore Photos: N. Sivasothi
Sandy Ecosystems Photos: Ria Tan
Seagrass Lagoon
Coral Rubble Area Photos: Ria Tan
 
While Team Seagrass arrived for a field orientation on 20th January 2007…
Mass  Death  occurred   on January 2007
Soft bodied invertebrates affected
 
Dying  Carpet Anemones
Dying  Sponges
Dying  sea stars and sea cucumbers
 
Asking  questions <ul><li>What happened at Chek Jawa? </li></ul><ul><li>What caused the mass death? </li></ul><ul><li>Why ...
What is   UROPs
Undergraduate Research Opportunities Programme in Science <ul><li>doing an independent research project  </li></ul><ul><li...
What motivated me to do  UROPs ? <ul><li>curiosity </li></ul><ul><li>gain experience </li></ul><ul><li>platform to work on...
Finding my  supervisors
Finding my  supervisors
Finding my  supervisors <ul><li>1. Mr. N. Sivasothi  </li></ul><ul><li>(Department of Biological Science, NUS) </li></ul><...
Who do I  work  with? <ul><li>My three supervisors </li></ul><ul><li>Experts from their various fields </li></ul><ul><li>N...
Experts  sought during the project <ul><li>Prof Wong Poh Poh   (NUS Geography Department) </li></ul><ul><li>Prof Matthias ...
Friends <ul><li>From different backgrounds </li></ul><ul><li>Some have never visited Chek Jawa before </li></ul><ul><li>Ma...
Grain size distribution analysis at Chek Jawa
 
 
Preparations for the research <ul><li>reading up various literatures  </li></ul><ul><li>compilation of anecdotal records <...
Some supervisors may have  funny  requests <ul><li>http://cjproject.blogspot.com </li></ul>
Conducting of field surveys <ul><li>Transects surveys (once in 3 months) </li></ul><ul><li>Monitoring of different groups ...
Yes, we set off that early…
… and we also go back late
Six transect lines T1 T2 T3 T4 T5 T6 T1 T5 T4 T3 T2 T6
Transect surveying
Sometimes disasters do happen…
… after a day’s hard work
 
Monitoring Mussel Beds
A   closer   look
Asian date mussel   ( Musculista   senhousia ) An invasive species
Carpet Anemones ( Stichodactyla haddoni )  Photos: Ria Tan <ul><li>30 located and marked </li></ul><ul><li>Shortest and lo...
Sea anemone morphology is variable  NOT  easy to study
What I’ve learnt from field applications from Dr Daphne Fautin? <ul><li>anemones from tide pools contract when exposed to ...
Sand dollars  ( Arachnoides placenta )
Sand stars  ( Astropecten  sp.) 
Common sea stars  ( Archaster typicus )
Button shells  ( Umbonium vestiarum )
Peacock Anemones  (Order  Ceriantharia ) 
The sandbar before mass mortality is covered with several  Stichodactyla haddoni . After the mass mortality, the sand bar ...
Panoramic photo taken from tower 15 July 2007 16 August 2007 28 October 2007 25 December 2007 22 January 2008
Figure: Aerial photograph of Chek Jawa (squared in white) and its surrounding. Photo by Google Earth. Kuala Johore Salinit...
December 06 and January 07 Rainfall events <ul><li>The northeast monsoon intensified twice due to “strong surge events ove...
What contributed to the amplified hyposalinity at Chek Jawa?  <ul><li>incidents of low tide </li></ul><ul><li>amplified ri...
Side view Bird’s eye view
Nearing  submission  of report… <ul><li>Data compilation for analysis </li></ul><ul><li>Drafting nonstop for THE report </...
Challenges  and frustrations <ul><li>especially at the beginning (totally “blur”) </li></ul><ul><li>limitations in survey ...
What is the  future   for Chek Jawa? <ul><li>might not be such a disaster after all </li></ul><ul><li>Appears to be recove...
What are my  future plans  after UROPs? <ul><li>Preparing to publish my findings </li></ul><ul><li>Working on sea stars be...
My honours project on sand star behaviour and ecology Astropecten indicus
How UROPs has enhanced my  undergraduate experience ? <ul><li>Understand the meaning of  research </li></ul><ul><li>Start ...
Life  at Chek Jawa
 
 
 
 
 
Some interesting experiences
Celebrating  Christmas  at Chek Jawa
 
My first   filming   experience
Featured at The Straits Time
Featured at NUS Advertorial, The Straits Time
 
Thank you  & best wishes
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Life And Death at Chek Jawa

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  • Life And Death at Chek Jawa

    1. 1. LIFE AND DEATH AT CHEK JAWA A UROPS RESEARCH EXPERIENCE
    2. 2. I volunteer with… <ul><li>Team Seagrass </li></ul><ul><li>Naked Hermit Crabs </li></ul><ul><li>Semakau intertidal walks with Raffles Museum of Biological Research (RMBR) </li></ul>
    3. 3. My area of interest <ul><li>Biology </li></ul><ul><li>mainly Ecology and the environment </li></ul><ul><li>Biotic and abiotic factors </li></ul><ul><li>Geography aspects (hydrology, climate, topography, salinity, tides etc.) </li></ul>
    4. 4. Have you been to Chek Jawa before?
    5. 5. Where is Chek Jawa
    6. 6. Chek Jawa (103°59'E, 1°24'N), is an intertidal flat located at the eastern tip of Pulau Ubin, a small island to the northeast of Singapore’s main island Chek Jawa Johor Mainland Singapore
    7. 7. Chek Jawa is lauded for its high biodiversity Figure from Ria Tan Six distinct ecosystems exist at Chek Jawa and it is abundant with locally rare fauna and flora
    8. 8. Coastal Hill Forest
    9. 9. Mangroves
    10. 10. Rocky Shore Photos: N. Sivasothi
    11. 11. Sandy Ecosystems Photos: Ria Tan
    12. 12. Seagrass Lagoon
    13. 13. Coral Rubble Area Photos: Ria Tan
    14. 15. While Team Seagrass arrived for a field orientation on 20th January 2007…
    15. 16. Mass Death occurred on January 2007
    16. 17. Soft bodied invertebrates affected
    17. 19. Dying Carpet Anemones
    18. 20. Dying Sponges
    19. 21. Dying sea stars and sea cucumbers
    20. 23. Asking questions <ul><li>What happened at Chek Jawa? </li></ul><ul><li>What caused the mass death? </li></ul><ul><li>Why were some animals more affected as compared to others? </li></ul><ul><li>Is this mass death a tragic event? </li></ul><ul><li>Will Chek Jawa recover? </li></ul><ul><li>If yes, how? </li></ul>
    21. 24. What is UROPs
    22. 25. Undergraduate Research Opportunities Programme in Science <ul><li>doing an independent research project </li></ul><ul><li>work with Faculty staff </li></ul><ul><li>foster mentoring relationships </li></ul><ul><li>work and gain knowledge in a specific field of study </li></ul><ul><li>acquire special communication and presentation skills </li></ul><ul><li>experience creative thinking </li></ul>
    23. 26. What motivated me to do UROPs ? <ul><li>curiosity </li></ul><ul><li>gain experience </li></ul><ul><li>platform to work on a research topic </li></ul><ul><li>more free play to pursue topics </li></ul><ul><li>opportunities to make mistakes and learn </li></ul><ul><li>work with my lecturer mentors </li></ul><ul><li>learn from their experience and knowledge </li></ul>
    24. 27. Finding my supervisors
    25. 28. Finding my supervisors
    26. 29. Finding my supervisors <ul><li>1. Mr. N. Sivasothi </li></ul><ul><li>(Department of Biological Science, NUS) </li></ul><ul><li>2. Dr. Peter Todd </li></ul><ul><li>(Department of Biological Science, NUS) </li></ul><ul><li>3. Dr. Dan Rittschof </li></ul><ul><li>(Duke University) </li></ul>Photo: Ria Tan
    27. 30. Who do I work with? <ul><li>My three supervisors </li></ul><ul><li>Experts from their various fields </li></ul><ul><li>Nature volunteers/friends </li></ul>
    28. 31. Experts sought during the project <ul><li>Prof Wong Poh Poh (NUS Geography Department) </li></ul><ul><li>Prof Matthias Roth (NUS Geography Department) </li></ul><ul><li>Dr Lim Han She (NUS Geography Department) </li></ul><ul><li>Dr Daphne Fautin (University of Kansas) </li></ul><ul><li>Dr David Lane (Universiti Brunei Darussalam) </li></ul><ul><li>Dr Tan Koh Siang (Tropical Marine Science Institute) </li></ul><ul><li>Siti Maryam Yaakub (National Parks Board) </li></ul>
    29. 32. Friends <ul><li>From different backgrounds </li></ul><ul><li>Some have never visited Chek Jawa before </li></ul><ul><li>Make new friends! </li></ul><ul><li>Work towards a common goal </li></ul><ul><li>Doing their part for nature </li></ul><ul><li>Stirring interest in doing related studies </li></ul>
    30. 33. Grain size distribution analysis at Chek Jawa
    31. 36. Preparations for the research <ul><li>reading up various literatures </li></ul><ul><li>compilation of anecdotal records </li></ul><ul><li>Discussions with my supervisors and experts </li></ul><ul><li>Yet also left alone  Independence! </li></ul><ul><li>try unconventional approaches to tackle the different angles and questions raised </li></ul>
    32. 37. Some supervisors may have funny requests <ul><li>http://cjproject.blogspot.com </li></ul>
    33. 38. Conducting of field surveys <ul><li>Transects surveys (once in 3 months) </li></ul><ul><li>Monitoring of different groups of marine animals (once in 2 months) </li></ul><ul><li>Possible with the help of volunteers and friends who are willing to make the difference. </li></ul>
    34. 39. Yes, we set off that early…
    35. 40. … and we also go back late
    36. 41. Six transect lines T1 T2 T3 T4 T5 T6 T1 T5 T4 T3 T2 T6
    37. 42. Transect surveying
    38. 43. Sometimes disasters do happen…
    39. 44. … after a day’s hard work
    40. 46. Monitoring Mussel Beds
    41. 47. A closer look
    42. 48. Asian date mussel ( Musculista senhousia ) An invasive species
    43. 49. Carpet Anemones ( Stichodactyla haddoni ) Photos: Ria Tan <ul><li>30 located and marked </li></ul><ul><li>Shortest and longest diameter axis measured </li></ul><ul><li>Tentacles counted </li></ul>
    44. 50. Sea anemone morphology is variable NOT easy to study
    45. 51. What I’ve learnt from field applications from Dr Daphne Fautin? <ul><li>anemones from tide pools contract when exposed to air </li></ul><ul><li>can detach and move </li></ul><ul><li>difficult to determine size </li></ul><ul><li>density differs </li></ul><ul><li>incorrect to correlated size with age </li></ul>
    46. 52. Sand dollars ( Arachnoides placenta )
    47. 53. Sand stars ( Astropecten sp.) 
    48. 54. Common sea stars ( Archaster typicus )
    49. 55. Button shells ( Umbonium vestiarum )
    50. 56. Peacock Anemones (Order Ceriantharia ) 
    51. 57. The sandbar before mass mortality is covered with several Stichodactyla haddoni . After the mass mortality, the sand bar is almost barren of Stichodactyla haddoni . These post mortality photographs were taken as part of using photographs for comparison and also to monitor recruitment over time. 12 January 2002 25 December 2007 16 August 2007 22 January 2008
    52. 58. Panoramic photo taken from tower 15 July 2007 16 August 2007 28 October 2007 25 December 2007 22 January 2008
    53. 59. Figure: Aerial photograph of Chek Jawa (squared in white) and its surrounding. Photo by Google Earth. Kuala Johore Salinity decreases
    54. 60. December 06 and January 07 Rainfall events <ul><li>The northeast monsoon intensified twice due to “strong surge events over South China Sea” </li></ul><ul><li>Flooding reported in different parts of Malaysia and Singapore </li></ul><ul><li>Freshwater surge into Chek Jawa from Johor River </li></ul>
    55. 61. What contributed to the amplified hyposalinity at Chek Jawa? <ul><li>incidents of low tide </li></ul><ul><li>amplified river output </li></ul><ul><li>prolonged direct rainfall </li></ul>
    56. 62. Side view Bird’s eye view
    57. 63. Nearing submission of report… <ul><li>Data compilation for analysis </li></ul><ul><li>Drafting nonstop for THE report </li></ul><ul><li>Hunt for more help from “good people” </li></ul><ul><li>Weighed down by perfectionism </li></ul><ul><li>Oral presentation drill </li></ul><ul><li>Oral presentation exam with two professors </li></ul>
    58. 64. Challenges and frustrations <ul><li>especially at the beginning (totally “blur”) </li></ul><ul><li>limitations in survey methologies </li></ul><ul><li>Have to learn how to accept failures </li></ul><ul><li>Organise and coordinate trips </li></ul><ul><li>Difficulties to account for many other things </li></ul><ul><li>There are also not-so-helpful people </li></ul>
    59. 65. What is the future for Chek Jawa? <ul><li>might not be such a disaster after all </li></ul><ul><li>Appears to be recovering positively </li></ul><ul><li>Recruitment of larvae from nearby shores play important role as seeding sites </li></ul><ul><li>Designation as protected area enhances natural recovery </li></ul><ul><li>Marine life is vulnerable, thus a better understanding is essential to protect Chek Jawa </li></ul>
    60. 66. What are my future plans after UROPs? <ul><li>Preparing to publish my findings </li></ul><ul><li>Working on sea stars behaviour </li></ul><ul><li>teaching after I graduate from NUS </li></ul><ul><li>Sharing experiences with my students </li></ul>
    61. 67. My honours project on sand star behaviour and ecology Astropecten indicus
    62. 68. How UROPs has enhanced my undergraduate experience ? <ul><li>Understand the meaning of research </li></ul><ul><li>Start questioning, analysing and exploring </li></ul><ul><li>More questions than answers </li></ul><ul><li>The potential of Chek Jawa for research </li></ul><ul><li>Walk out of comfort zone </li></ul><ul><li>Wholesome student and learner </li></ul>
    63. 69. Life at Chek Jawa
    64. 75. Some interesting experiences
    65. 76. Celebrating Christmas at Chek Jawa
    66. 78. My first filming experience
    67. 79. Featured at The Straits Time
    68. 80. Featured at NUS Advertorial, The Straits Time
    69. 82. Thank you & best wishes

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