Vol. 48 No. 4, 2009
Temporal Changes in Nudibranch Composition at a Coastal Site off Penghu (the Pescadores) in the Taiwan Strait
Yeng Su1, Li-Jin Huang2, Yen-Wei Chang2, and Hin-Kiu Mok2,*
1Department of Marine Sport and Recreation, National Penghu University, Magong, Penghu 880, Taiwan
2Institute
of Marine Biology and Asia-Pacific Ocean Research Center-Kuroshio
Research Group, National Sun Yat-sen University, 70 Lianhai Rd.,
Kaohsiung 804, Taiwan
Yeng Su, Li-Jin Huang, Yen-Wei Chang, and Hin-Kiu Mok (2009)
In total, 74 nominal species and 7 possible new species of sea slugs
were recorded at a site off the coast of Wai-an in Penghu (the
Pescadores) in the Taiwan Strait from 20 survey dives (including 17
monthly surveys). The Chromodorididae and Phyllidiidae were the 2
most-speciose families. The mean number of species sighted per
monthly survey was 12. The increase in new species recorded
reached a plateau at the 18th survey. The number of families
recorded per survey ranged 2-9. High nudibranch species diversity
is a site-specific attribute of Wai-an. Except for 1 survey, no
species at this site were considered dominant in terms of the abundance
of individuals. Similarities in species composition for pair-wise
monthly samples were low. No obvious trends in temporal changes
in the number of species or species composition were noted.
Key words: Nudibranch, Biodiversity, Penghu.
*Correspondence: Tel: 886-7-5252000. Fax: 886-7-5255100. E-mail:hinkiu@faculty.naysu.edu.tw
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