ISSN : 1225-3480
In the present study we examined latitudinal trend of the number of species and species diversity of rocky subtidal shelled gastropods. Specimens were sampled from four wave-exposed sites along the eastern coast of Korea between Sockcho (38<TEX>$^{\circ}$</TEX>14"N_ and Busan (35<TEX>$^{\circ}$</TEX>06"N), covering a range of over ca. 440 km and 4<TEX>$^{\circ}$</TEX> of latitude. At a small local scale, the number of species showed a latitudinal trend, decreased with decreasing of latitude, even though no clear trends in species diversity were detected. The present result, consequently, suggest that regulation of small-scale local diversity presumably results from the difference of the local micro-environment.
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