Inner shell as variation key of local hard clam Meretrix spp.

The morphology and 12 shell morphometric features proportionate to shell length were analysed between local hard clam; Meretrix lyrata, M. meretrix and M. lusoria from Sarawak, Malaysia.

Mutation at codon 442 in the rpoB gene of Mycobacterium leprae does not confer resistance to rifampicin.

Background: Rifampicin is the major drug in the treatment of leprosy. The rifampicin resistance of Mycobacterium leprae results from a mutation in the rpoB gene, encoding the β subunit of RNA polymerase. As M.

Forest structure and litter production of naturally re-generated white mangrove Avicennia marina in sub-tropical estuarine coast.

The present work deals with plant structure, phenology, litter production and decomposition of mangrove Avicennia marina in the newly re-generated mangrove forest in sub-tropical coast. The natural generation in this accreted coastal land of mono-specific A. marina forest stand was prominent, with 45% seedlings and 32% saplings.

Spatial distribution of copepods along the salinity gradient of Perai river estuary, Penang, Malaysia.

Investigation on copepod communities in Perai river estuary was conducted from November 2005 to May 2006. Five stations were established for monthly sampling and were located from the river mouth to the upper reaches of the river. Copepod samples were collected from vertical tows using a standard zooplankton net.

Composition of macrobenthos in the Bakkhali channel system, Cox's Bazar with notes on soil parameter.

Macrobenthos in coastal environment that play a significant role in the food web. It could also use as a good indicator of aquatic ecosystem health. The abundance and composition of macrobenthos in Bakkhali channel system, Cox's Bazar were conducted in relation to the soil parameters.