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Southern right whales generally appear not to react to transiting research vessels
Marine Mammal Science ( IF 2.3 ) Pub Date : 2021-06-20 , DOI: 10.1111/mms.12843
María Belén Argüelles 1 , Mariano Coscarella 1, 2 , Carla Fiorito 1 , Marcelo Bertellotti 1, 3
Affiliation  

Reactions of southern right whales (SRWs) related to whale-watching boats have been reported in Patagonia, but there are no quantitative data showing how these whales react to boats not preforming whale-watching trips. The objective of this study was to investigate the reaction of SRWs to transiting vessels. Data were collected off the coast of Puerto Madryn city, and were analyzed by means of cumulative logit models, using the whales' intensity of behavioral response as an ordinal dependent variable. During the experimental approaches of a research vessel, we found that the response of SRWs differed depending on the number of whales present. The results of this study show that the probability of response to transiting vessels is low, unless there are only a few whales in a group, or it is a mating group. This response is different from that of an approaching whale-watching vessel. In this study, the lack of reaction of whales to the research vessel suggests that whales would not consider it as a threat. This study represents an important piece of information for the conservation of southern right whales.

中文翻译:

南露脊鲸一般似乎对过境的研究船没有反应

巴塔哥尼亚已经报道了南露脊鲸 (SRW) 对观鲸船的反应,但没有定量数据显示这些鲸鱼对没有进行观鲸旅行的船只有何反应。本研究的目的是调查 SRW 对过境船只的反应。数据是在马德林港海岸收集的,并通过累积 logit 模型进行分析,使用鲸鱼的行为反应强度作为序数因变量。在研究船的实验方法中,我们发现 SRW 的反应因存在的鲸鱼数量而异。这项研究的结果表明,对过境船只做出反应的概率很低,除非一个群体中只有几头鲸鱼,或者是一个交配群体。这种反应不同于接近的观鲸船的反应。在这项研究中,鲸鱼对研究船缺乏反应表明鲸鱼不会将其视为威胁。这项研究代表了保护南露脊鲸的重要信息。
更新日期:2021-06-20
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