Molluscs and echinoderms from the Emily Bay settlement site, Norfolk Island

Colin Campbell, L. Schmidt
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引用次数: 10

Abstract

The Emily Bay archaeological molluscan fauna as an ensemble is almost entirely intertidal in its natural occurrence, with seven species preferring sand or mud substrates and 13 species preferring hard substrates. The only exceptions are the pelagic cephalopods Nautilus and Spirula. The gastropod species Nerita atramentosa is dominant in both numbers and by weight. The rocky intertidal platform was the focus of mollusc collecting. The four most common species derive from this zone and habitually cluster in colonies, which would have made them a preferred prey. Among the many factors that may have contributed to eventual abandonment of Norfolk Island, a scarcity of easily harvestable coastal marine resources would probably have been significant.
诺福克岛艾米丽湾定居地的软体动物和棘皮动物
艾米丽湾考古软体动物群落作为一个整体,在其自然发生时几乎完全是潮间带,其中7种倾向于沙或泥基质,13种倾向于硬基质。唯一的例外是上层头足类鹦鹉螺和螺旋藻。腹足类海螺在数量和重量上均占优势。岩石潮间带台地是软体动物采集的焦点。四种最常见的物种来自这个区域,并习惯性地聚集在一起,这将使它们成为首选的猎物。在许多可能导致诺福克岛最终被遗弃的因素中,缺乏容易收获的沿海海洋资源可能是一个重要因素。
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