Whale sightings during POLARSTERN cruise PS146
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Data on whale distribution and abundance in the polar oceans is rather sparse, as implementing the standard surveying method, line-transect surveys, is challenging and costly....
极地海洋中鲸类分布与丰度的相关数据相当匮乏，这是因为实施标准调查方法——样线调查法（line-transect surveys）极具挑战性且成本高昂……
