Ngaraard Pinnacle, Palau: An Undersea “Island” in the Flow
2019; Oceanography Society; Volume: 32; Issue: 4 Linguagem: Inglês
10.5670/oceanog.2019.422
ISSN2377-617X
AutoresPatrick L. Colin, T. M. Shaun Johnston, Jennifer MacKinnon, Celia Ou, Daniel L. Rudnick, Eric Terrill, Steven J. Lindfield, Heidi Batchelor,
Tópico(s)Ocean Acidification Effects and Responses
ResumoTOPOGRAPHY (top) Oblique view looking west of the overall Ngaraard Pinnacle, which projects from the eastern fringing reef of Palau off Ngaraard State on Babeldaob Island.The pinnacle drops quickly to oceanic depths on its eastern side, and with a minimum depth of 92 m is not visible from the surface.(middle) Schools of Paracaesio sordida and P. xanthura occur above the flat top of Ngaraard Pinnacle at 95 m depth.In the background, the start of the sloping edge of the pinnacle can be seen with large numbers of pale primnoid gorgonians present.(bottom) Sea urchins such as these are the only herbivores known from Ngaraard Pinnacle.They evidently feed on the thin algae cover at 95-100 m depth, some of the deepest herbivory known in the ocean.
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