D.P. Nowacek results 9
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Six baleen whale species are found in the temperate western North Atlantic Ocean, with limited information existing on the distribution and movement patterns for most. There is mounting evidence of distributional shifts in many species, including marine mammals, likely because of climate‐driven changes in ocean temperature and circulation. Previous acoustic studies examined the occurrence of minke ( Balaenoptera acutorostrata...
Simulation of the entanglement of a North Atlantic right whale ( Eubalaena glacialis ) with fixed fishing gearNARA Subscribed
Population estimates of the critically endangered North Atlantic right whale ( Eubalaena glacialis ) put the number of individuals at 458 with the actual number likely being lower due to a recent unusual mortality event. Entanglement with fixed fishing gear is the most significant cause of mortality of North Atlantic right whales. There remains little documentation of how North Atlantic right whales become enwrapped during an...
Through the analysis of acoustic recordings of captive Pterois spp., this study has confirmed anecdotal evidence that Pterois spp. are soniferous. This report of sound production in Pterois spp. provides the foundation for future research into their specific acoustic capabilities including sound production mechanisms, the role of social behaviour and applied techniques for controlling and monitoring invasive Pterois spp. in th...
The feasibility of using analysis of hormone content of whale blow samples to assess reproductive function is addressed. A suitable collection method and analytical technique using liquid chromatography‐mass spectrometry (LC‐MS) has been developed. Blow samples were collected opportunistically from free‐ranging humpback whales ( Megaptera novaeangliae ) ( n = 35) and North Atlantic right whales ( Eubalaena glacialis ) ( n = 18...
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