Assessment of Seagrass and Associated Marine Invertebrates for Conservation and Management of Cogtong Bay, Philippines

  • ADRIANO MELENDREZJR.,

Abstract

Assessment of Seagrass and Associated Marine Invertebrates
for Conservation and Management of Cogtong Bay,
PhilippinesThe study was made to be able to establish baseline data that describes the
status of seagrass in Cogtong Bay as reference for future planning and action for
management. The main purpose of the study was to determine the distribution and
abundance of seagrass and marine invertebrates in Coglong bay. The methodused was
based on the Seagrass-watch protocol for moqitoring intertidal seagrass habitats.
Percentage cover of seagrass was measured and evaluated through the Systematic Transect
- Quadrat (TQ) method. It was observed that in the three survey sites, sand has the
large portion of 76.78% as compared in the seagrass with only 23.22%o of the entire 150
rrf area. For the marine invertebrates, it was observed that the most dominant species
was sea urchin with a total of 168 individuals, second by fenestrate top shells and
sponge with 15 individuals, while the least dominant species was spider conch with only
4 individuals and it was only seen in the Lumislis islet. We conclude that the three
survey sites were dominated by sand and occupied mostly with sea urchins. Therefore,
it is assumed that seagrass beds were uprooted due to active fishing gears.

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