Distribution Movements And Habitat Use Of Northern Bottlenose Whales Hyperoodon Ampullatus On The Scotian Shelf PDF Download
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Author | : Joy E. Stanistreet |
Publisher | : |
Total Pages | : 34 |
Release | : 2021 |
Genre | : Northern bottlenose whale |
ISBN | : 9780660409139 |
Download Distribution, Movements, and Habitat Use of Northern Bottlenose Whales (Hyperoodon Ampullatus) on the Scotian Shelf Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 10 |
Release | : 2020 |
Genre | : Northern bottlenose whale |
ISBN | : |
Download Assessment of the Distribution, Movements and Habitat Use of Northern Bottlenose Whales on the Scotian Shelf to Support the Identification of Important Habitat Book in PDF, ePub and Kindle
Author | : Kristin O'Brien |
Publisher | : |
Total Pages | : |
Release | : 2013 |
Genre | : |
ISBN | : |
Download POPULATION STATUS AND SOCIAL STRUCTURE OF NORTHERN BOTTLENOSE WHALES (HYPEROODON AMPULLATUS) ON THE SCOTIAN SHELF. Book in PDF, ePub and Kindle
Author | : Hal Whitehead |
Publisher | : |
Total Pages | : 20 |
Release | : 1996 |
Genre | : Beaked whales |
ISBN | : |
Download Status Report on the Northern Bottlenose Whale (Gully Population), Hyperoodon Ampullatus, in Canada Book in PDF, ePub and Kindle
Assesses the conservation status of a population of bottlenose whale, Hyperoodon ampullatus, that resides year round at the entrance of a prominent submarine canyon on the edge of the Scotian Shelf east of Sable Island. Information is included on the whale's geographic distribution, population size and trends, protection status, habitat, factors limiting the whale population size and distribution, and the special significance of the species for Canada. Concludes with discussion of the current consensus regarding the status of the species and a proposed designation of the species as vulnerable, with the rationale for such a status.
Author | : |
Publisher | : |
Total Pages | : 37 |
Release | : 2017 |
Genre | : Northern bottlenose whale |
ISBN | : |
Download Action Plan for the Northern Bottlenose Whale (Hyperoodon Ampullatus), Scotian Shelf Population, in Atlantic Canadian Waters Book in PDF, ePub and Kindle
Author | : Hilary B. Moors |
Publisher | : |
Total Pages | : |
Release | : 2012 |
Genre | : |
ISBN | : |
Download Acoustic Monitoring of Scotian Shelf Northern Bottlenose Whales (Hyperoodon Ampullatus). Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 70 |
Release | : 2016 |
Genre | : |
ISBN | : |
Download Recovery Strategy for the Northern Bottlenose Whale, Scotian Shelf Population, in Atlantic Canadian Waters Book in PDF, ePub and Kindle
Author | : David Millar |
Publisher | : |
Total Pages | : 15 |
Release | : 2007 |
Genre | : Beaked whales |
ISBN | : |
Download Report on the Northern Bottlenose Whale Recovery Workshop, June 5th, 2007 Book in PDF, ePub and Kindle
Author | : Lorin E. Harris |
Publisher | : |
Total Pages | : 26 |
Release | : 2008 |
Genre | : Beaked whales |
ISBN | : |
Download Assessment of the Recovery Potential of the Scotian Shelf Population of the Northern Bottlenose Whale, Hyperoodon Ampullatus Book in PDF, ePub and Kindle
Author | : Laura Feyrer |
Publisher | : |
Total Pages | : 0 |
Release | : 2021 |
Genre | : |
ISBN | : |
Download NORTHERN BOTTLENOSE WHALES IN CANADA Book in PDF, ePub and Kindle
Many populations of cetaceans are still recovering from the impacts of whaling and face ongoing, and sometimes increasing, human stressors. However, due to their slow reproductive life history, monitoring trends and responses to potential threats requires long-term datasets. Understanding the status of cryptic species, like beaked whales, is further challenged by their remote habitat, low density and deep diving ability, restricting opportunities for data collection. Northern bottlenose whales (NBW, Hyperoodon ampullatus) were previously whaled and, although the Scotian Shelf population is currently recognized as Endangered under the Species at Risk Act (SARA), their population structure as well as their status in Canada are unclear. The goal of my thesis was to reassess evidence for NBW population structure, life history and threats using a diversity of methods to integrate long-term datasets and address questions broadly relevant to the conservation of beaked whales. I began with a systematic review and metanalysis of the literature on cetacean population structure with particular consideration of studies of odontocetes. I applied genetics to distinguish evolutionarily significant population structure and historical demography of NBW in Canada and stable isotopes to estimate the period of maternal care. Using photoidentification I reviewed the stability of marks and quantified the rate of anthropogenic scarring. I modelled the change in cumulative human impacts over 30 years to evaluate concurrent trends in estimates of NBW abundance and spatial conservation measures. I found that, despite having almost the lowest genetic diversity of any cetacean, Scotian Shelf NBW were distinct from those in other areas, supporting their management as a Designatable Unit under SARA. However, their recovery from whaling has likely been impacted by their low reproductive potential, and despite few reports, ongoing threats of entanglement. Encouragingly, long term trends indicate that the reduction of human activities on the Scotian Shelf has contributed to the population's recovery. My results demonstrate how the life history and past exploitation of NBW have left them vulnerable to ongoing impacts, and suggest that protecting important habitat can be an effective conservation tool for beaked whales.