Mangrove is now less seen in Singapore and they have been slowly extinct and maybe they will be gone forever. So, now, we shall try to keep the mangrove in good condition and protect our natural environment.
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Welcome to our IPW mangrove swamp blog by hai sing catholic school students. We would like a comment from you because we can know what good or bad points we had done and if it is a bad comment about us, we will try to change and show the best of us.
Name- Chan Wee Hong Alvin
Role- Leader
Age- 14
Class- 2E1
Hobbies- Playing computer games and swimming
Email- frozen-arctic@hotmail.com
Name- Thio Chong Jing Cyrus
Role- Co-Researcher and secretary
Age- 13
Class- 2E4
Hobbies- Playing computer games and soccer
Email- cyrusthio@hotmail.com
Name- Chuan Jia Xuan Jeremy
Role- Co Researcher and Assistant leader
Age-14
Class-2E1
Hobbies- Basketball and playing computer games
Email- jcjiaxuan@hotmail.com
Name- Ng Shiuan Jun
Role- Main Researcher
Age- 13
Class- 2E1
Hobbies- Gaming and reading of science books
Email- chaos_killerz@hotmail.com
Name-Quek Hui Juan Emily
Role- Treasurer and Co-researcher
Age- 13
Class- 2E1
Hobbies- Going out with friends and reading
Email- emily_qhj@hotmail.com
Firstly, there is the exotic Hibiscus Tiliaceus, commonly known as the Sea Hibiscus, are able to grow to a staggering height of 13 meters! It has heart-shaped leaf with a bright yellow flower which a pinch of maroon in the stigma. The petals of the flower will open in the morning and the colours will fade into a dull pink soon when evening arrives. The tree has many usages, with the leaves and roots containing medicinal properties. The woods are also used for the carving of boats (sampans). 
The pencil-like roots of the pneumatophores branched upwards from the main horizontal roots that grow below the soil. These roots are unique as it allows the plant to take in atmospheric oxygen required for respiration, which is a feature not many plants have. This adaption is of vital importance as it allows the plant to take in oxygen in conditions where the oxygen-level is low. 
The Rhizophora sp. has roots that branches out from the trunks of the tree like protruding stilts. This will allow the tree to balance itself in the soft mud when there is an increase in tide or when any other conditions which may cause the tree to topple. 
Dillenia suffruticosa is a plant that can grow up to 7meters in height. The ripe fruit is pink in colour. Birds residing at the reserve love to feed on the meat of the fruit. The large and robust leaves are suitable for disposable platters and as wrappers for tempeh, a fermented soybean delicacy. The saps of the plant are also able to be used to cease blooding. 
The monitor lizards, being the largest lizards in Singapore, can be found in the reserve and can sometime be seen sunbathing on the walkways! It is a common sight and most visitors are just advised to make some noise so as to get it back into the water, for it is an excellent swimmer. 
The mud lobster has a vital role to play in the mangrove ecosystem. It helps to bring up the underground nutrients onto the surface so as to allow maximum nutrients to reach the mangrove plant. It is most distinct for making a volcanic-like mound of mud when digging through the mud. 
The cute and adorable otters can also be spotted in the reserve, swimming during the high tides and fishing for shellfish and fishes. Although they are one of the endangered species, their lives are not threatened as they are living in a sanctuary of peace and stability. 
The Yellow Bittern are most commonly found at the situated freshwater pond. This solitary bird is difficult to spot as it is well-camouflaged against its surrounding vegetation; but can be seen fluttering off suddenly when disturbed.
During high tide, these crabs climb out of the water to escape predation. They form an important component of the ecosystem by feeding on fallen mangrove leaves that do not decompose easily. This helps in the breakdown of the mangrove leaves into nutrients for the mangrove plants.
The length of the park is around 6.6 kilometers (71 hectares) and is known for being one of the largest coastal parks in Singapore. In the park lies a Mangrove forest which is about 6 hectares. The mangrove in Pasir Ris Park serves as a natural habitat for many living organisms such as mudskippers and crabs and also has a large diversity of tree species like the Bakau Tree and the Sea Holly.