Sunday, September 27, 2009

Mangroves from Punggol to Serangoon

After work yesterday, I decided to head down to ground truth some mangroves around my area for my friend. I engaged my dad’s help to drive me straight down to Punggol Beach before heading back using my bicycle.


Large patches of the wasteland here are being cleared in the vicinity.


There is a really super tiny mangrove near the beach. Unfortunately, I did not check the tide and it was rather high then.


There were lots of mudskippers at the drain linking to the mangrove. I am not particularly good at identifying these fishes, but they look a little like the dusty-gilled mudskippers (Periophthalmus novemradiatus). Please correct me if I am wrong.

Lots of Ellobium snails (Cassidula sp.) on a low stem of sea hibiscus.

A tree climbing crab retreating into a hole. However, this is not the tunnel of a mud lobster mound but rather, one from the concrete drains!


At the opposite side of the road, there were also some remnant of a mangrove. Api-Api (Avicennia sp.) needle roots poked out of the stagnant water-logged mud.

A huge clump of mud lobster mound stood at the centre with sea hollies (Acanthus sp.) over growing it.

I also caught sight of some beautiful orange fungus.


Next, I cycled over to Sungei Serangoon. The dam is already being constructed and this, together with Sungei Punggol will be our next two up-coming reservoirs.


I spotted a small water body leading into this Acacia auriculiformis dominated forest filled with Asystasia gangetica undergrowth and thought some mangroves might be hiding inside. Hence I made a decision to bash in.

Here is the reddish stream that is probably covered with tannin from the fallen leaves; but no mangroves. I wonder what life is present inside.

A Lampin budak (Claoxylon indicum) plant. The leaves of this native plant is used by the Malays previously as diapers for their babies.


And lastly, a view from Buankok Bridge of the mangroves with Sengkang estate at the background. Though it looks pretty lush, but it is just a thin strip along the embankment. With the dam being completed soon, this entire river will be dammed up and will convert into a freshwater body eventually. What will happen to the mangroves?


Ria Tan said...

Wow, thanks for sharing and checking up on these mangroves! What a shame to lose more of our already very tiny patches of mangroves. Sigh.

Unknown said...

Hey Siyang, thanks for checking the mangroves out! I've always wondered how are the mangroves along Sungei Serangoon and Sungei Punggol doing now.

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the worm said...

Hello Siyang! I was searching up info on Claoxylon indicum when it led me here! :D May I know where did you found out about the diapers from? :D It's fascinating! :D


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