Title
Occurrence of baleen whales in the New York Bight, 1998–2017: Insights from opportunistic data
Author(s)
Chou, Emily; Rekdahl, Melinda L.; Kopelman, Arthur H.; Brown, Danielle M.; Sieswerda, Paul L.; DiGiovanni, Robert A.; Rosenbaum, Howard C.
Published
2022
Publisher
Journal of the Marine Biological Association of the United Kingdom
Abstract
The New York Bight is undergoing rapid anthropogenic change amidst an apparent increase in baleen whale sightings. Though survey efforts have increased in recent years, the lack of published knowledge on baleen whale occurrence prior to these efforts impedes effective assessments of distributional or behavioural shifts due to increasing human activities. Here we synthesize opportunistic sightings of baleen whales from 1998–2017, which represent the majority of sightings data prior to recent survey efforts, and which are largely unpublished. Humpback and fin whales were the most commonly sighted species, followed by North Atlantic right whales and North Atlantic minke whales. Important behaviours such as feeding and nursing were observed, and most species (including North Atlantic right whales) were seen during all seasons. Baleen whales overlapped with multiple anthropogenic use areas, and all species, but of particular importance North Atlantic right whales, were sighted outside the spatial and temporal bounds of the Seasonal Management Areas for North Atlantic right whales. These opportunistic data are vital for providing a baseline and context of baleen whales in the New York Bight prior to broad-scale efforts and facilitate interpretation of current and future observations and trends, which can more accurately inform effective management and mitigation efforts.
Keywords
Baleen whales; baseline; New York Bight; North Atlantic right whale; opportunistic
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PUB35824