一项对化石鲨鱼鳞片进行的分析新研究揭示了7000年的鲨鱼种群历史。这项研究为了解过去鲨鱼的数量以及当前种群可能只占历史水平一小部分提供了见解。 AI
排序理由 该集群报道了一项科学研究，分析了化石遗骸以了解历史种群动态，符合“研究”类别。[lever_c_demoted from research: ic=1 ai=0.0]
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化石鲨鱼鳞片揭示了7000年的鲨鱼种群历史
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- 该集群报道了一项科学研究，分析了化石遗骸以了解历史种群动态，符合“研究”类别。[lever_c_demoted from research: ic=1 ai=0.0]
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化石鲨鱼鳞片揭示了7000年鲨鱼种群历史
What if the sharks we see on a reef today are only a fraction of what that ecosystem once supported?