East, Singapore
June 2014
The decreased variety and number of sightings could be attributed to several factors:
- Impending bad weather, e.g. rain
- Water Pollution
Fecal matter has been detected in the sea near the mangroves. At times, "No swimming" signs have been put up. (See "Thrown Away By The Kelongs") - Oil Spills
(The sand in Pasir Ris often has oil stains among its deeper layers. Sometimes, oil streaks can be seen in the mangrove puddles.) - Increased number of visitors