Otterman speaks... (2003-2007)
Weblog about cycling, macintosh, natural history and life in Singapore.
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Otterman speaks...

Cycling, macintosh, natural history and life in Singapore - Archives

List of Categories : travel * museum * cycling * Singapore Naturalist * science * kakis * mangroves * movies * mac and the internet * meow * NUS * life in Singapore * lit * world *

Fri 05 Nov 2004

Hunting crabs again

Category : mangroves

Earlier today, we collected 81 Episesarmas (tree-climbing crabs) and measured them.

Despite having more help, we took 5 hours to get it all done. The two teams of two caught only slightly more (81 vs 73) than the single team of three the last time. This is because the lower water levels of the neap tide meant crabs were more likely to jump into the water to escape us. This is possibly due to the lower likelihood of the presence of predatory mangrove visitors brought in by the high tide.

However, once we finished catching crabs and began making measurements, the water levels rose almost to near-spring tide levels. Initially I thought I had misread tide-tables but later I realised the monsoon rains raging about us had led to elevated coastal water levels. In built up areas, some places were flooding.

One bolt of lightning in particular, nearly blew our eardrums out - at the nearby Sungei Buloh Visitor Centre, computer monitors flickered and the fax went crazy. I was glad we were all out of the water by then, and that the lightning conductors installed at the hides were all working!



Posted at 4:56PM UTC by N. Sivasothi | permalink | , .