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ISSN : 1225-3480
본 연구에서는 신석기시대의 인천시 을왕동 패총에서 출토된 말백합의 패각에 나타난 윤문을 판독하여 성장식을 추정하고 현재의 말백합 개체군과의 성장을 비교하였다. 패총 출토 패각의 수는 총 86개체였다. 각 연령군별로 각장과 윤경 간에 대응성을 보였고, 각 윤문군이 비교적 뚜렷이 구분되어 윤문판독의 타당성이 확인되어 판독된 윤문을 연륜으로 간주하였다. 패총 출토 말백합의 윤문은 2-6개까지 확인되어 2-6세군으로 구성되었음을 알 수 있었다. 패총 개체군의 성장식은 <TEX>$SL_t
Growth-line analysis was carried out on the hard clam (Meretrix petechialis) collected from the Neolithic Eurwang-dong Shell Midden, Incheon, Korea, to reconstruct palaeoenvironment. The growth pattern of the midden specimens was compared to that of modern ones collected from Gimje, Jeonbuk, Korea. Growth curves for shell length fitted to the von Bertalanffy's growth curve were expressed respectively as follows : SLt = 139.3574[1-e-0.1049(t + 1.5160)] for the shell midden specimens; SLt = 104.2583[1-e-0.2277(t + 0.7499)] for the modern ones. The relationship between shell length (SL; mm) and shell height (SH; mm) was expressed by the following equations: SH = 0.8351 SL + 1.1480 (r2 = 0.959) for the shell midden specimens; SH = 0.8103 SL + 0.5145 (r2 = 0.991) for the modern ones. The result of t-tests for the differences in the regression coefficients and elevations of the growth curves for the two populations showed that slopes were not significantly different (p > 0.05). Considering that the overall growth curves for the two populations were not significantly different, it can be inferred that shell growth environments of the two areas were similar. Thus, we assumed that sea temperature near the shell midden was similar to that of present Gimje area.
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