03.08.2013 Views

1 - Cochin University of Science and Technology

1 - Cochin University of Science and Technology

1 - Cochin University of Science and Technology

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

species <strong>of</strong> Cymodaceae <strong>and</strong> Syringodium. Seagrasses were found along<br />

with seaweed species such as Gracilaria, Halimida, Pedina, Caulerpa,<br />

Acanthophora etc. Mangrove region <strong>of</strong> Minicoy is limited to two patches<br />

<strong>of</strong> about 1 ha each. In many coral Isl<strong>and</strong>s <strong>and</strong> atolls, there are only few<br />

mangrove species, which are generally stunted <strong>and</strong> confined to small inl<strong>and</strong><br />

mangrove depression. The Mangroves noticed in Minicoy Isl<strong>and</strong> <strong>of</strong><br />

Lakshadweep are in the formative stage <strong>and</strong> free from serious human<br />

pressure. The area is flushed daily by the tide <strong>and</strong> the depth <strong>of</strong> water is<br />

about 0.5 m. Mangrove associated flora involves Avicinnia marina,<br />

Cereops tagal, Pemphis acidula <strong>and</strong> Bruguiera spp. Mangrove fauna <strong>of</strong><br />

this region includes the Mangrove whelk Terebralia Palustris, Fiddler<br />

crabs Uca spp., etc.<br />

2. 2. Period <strong>of</strong> stll dy<br />

The study was conducted from September 1999 to August 2001.<br />

The Isl<strong>and</strong>s <strong>of</strong> Lakshadweep group have a tropical climate <strong>and</strong> based on<br />

the weather, the year may be divided in to three seasons, pre-monsoon<br />

(February-May), monsoon (June-September) <strong>and</strong> post-monsoon (October­<br />

January).<br />

2. 3. Sampling sites <strong>and</strong> frequency <strong>of</strong> sampling<br />

A reconnaissance fortnightly survey was made in August 1999, to<br />

identify the sampling sites <strong>and</strong> to determine sampling frequency based on<br />

accessibility for collection, bio-diversity exhibited, type <strong>of</strong> substratum,<br />

topography <strong>of</strong> l<strong>and</strong>, variations in the number <strong>and</strong> biomass <strong>of</strong> fauna etc. Six<br />

stations were selected for sampling based on this pilot survey. Of the<br />

selected six stations, four were located in the intertidal zone (occupied by<br />

seagrasses) <strong>and</strong> two in the mangrove swamp (Fig. 2.1). Monthly triplicate<br />

13

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!