AI Article Synopsis
- Measured adult mandibles of Ryukyu wild pig from Tokunoshima Island and compared them with those from six other Nansei Islands.
- Found that Tokunoshima mandibles were larger than those from Amami-Oshima and Okinawa, but no significant size gradient among populations was detected.
- Principal component analysis indicated a separation among island populations, especially in females, suggesting differences in skull proportions between the Tokunoshima and Okinawa populations compared to others.
Article Abstract
We measured adult mandibles of Ryukyu wild pig (Sus scrofa riukiuanus) from Tokunoshima Island and compared the osteometrical data with those from six Nansei Islands. The mandibles in Tokunoshima Island were larger than those from Amami-Oshima and Okinawa Islands in some measurements. We concluded that the size cline was not statistically recognized among populations. In the principal component analysis, the size cline was also denied, and the separation could be made among island populations in female. It is suggested that the populations in Tokunoshima and Okinawa Islands may be different from those in Amami-Oshima, Kakeroma, Ishigaki and Iriomote Islands in skull proportion.
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| http://dx.doi.org/10.1292/jvms.60.731 | DOI Listing |
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