L - Cochin University of Science and Technology

4.1. Sediment texture
4.1.1. Introduction
4.1.2. Results
4.1.2.1. Post-monsoon
4.1.2.2. Pre-monsoon
4.1.2.3. Seasonal comparison
4.1.3. Discussion
4.2. Organic matter
4.2. I. Introduction
4.2.2. Re.wlts
4.2.2.1. Post-monsoon
4.2.2.2. Pre-mon!;oon
4.2.2.3. Seasonal comparison
4.2.3. Discussion
4.3. References
4.1. Sediment Texture
4.1.1. Introduction
Chapter 4.
Sediment characteristics
The composition of sediment is of vital importance to the benthic biota of any
aquatic environment. Sediment provides the substratum for organisms to live and
aslo to obtain food in the form of organic matter. The supply and source of these
materials and sites of deposition depend upon the various physical and chemical
environmental factors. The nature and rate of sediment deposited affects the density
and type of benthic biota in the area. Increase in sediments or sedimentation
resulting from coastal structure and various river discharges may drastically alter the
number and type of species dwelling in the region. Sediment characteristics such as
texture and availability of organic matter are the dominant factors controlling the
distribution of benthos.
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