Influence of Ipomoea pes-caprae cover on the density, size, and architecture of ghost crab (Ocypode sp.) burrow in sandy beach ecosystem
2023
Diamante, R.A.M. | Santanderde Leon, S.M.
The sandy beach ecosystem is a vital ecological link between the sea and land through its various ecosystem services. This study determined the morphology and activity of ghost crab (Ocypode sp.) burrows in the ipomoea zone and exposed zone at three sites within the sandy beach ecosystem. Ghost crab burrow characteristics and activity were revealed to be influenced by the ipomoea cover. The density of burrows significantly varied based on increasing observations from the exposed zone to the ipomoea zone at all sites. Higher active burrows were observed at the ipomoea zone indicated by fresh sand or traces by individuals around the burrow openings. Burrow castings generated shapes resembling letters I, J, S, V, Y, and inverted Y. Burrow depths at the exposed zone appeared deeper than the ipomoea zone at all sites. The findings stressed the dynamic relationships of flora and fauna in sandy beach tropical ecosystems such as in the Philippines, highlighting the vegetation as an important component of beach habitat, as well as the need for equal attention and management of these often neglected ecosystems.
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