Determine of sediment characteristics in Tok Bali Lagoon, Kelantan

Abstract

Study on grain size characteristics and distribution were carried out around lagoon area in Tok Bali Lagoon, in order to gain more information about the dominant grain sizes characteristics of lagoon sediment. Sediment characteristics are one of the most important environmental factors directly affecting mangrove productivity and structure. Sampling was carried out on July 30, 2005, where 30 samples were collected randomly around the lagoon area. The sediment distribution was found to be moderately coarse, poorly sorted and negatively skewed in most stations. There is not much variation in Kurtosis where most of the sediment is extremely leptokurtic. The distribution of sediments might be influenced by certain factors such as tidal current, vegetation which that occur in lagoon area, morphology characteristic of lagoon area and human activities.