POPULATION STATUS AND SOCIAL STRUCTURE OF NORTHERN BOTTLENOSE WHALES (HYPEROODON AMPULLATUS) ON THE SCOTIAN SHELF
I examined the dynamics of an endangered population of northern bottlenose whales over a 23-year period during which its prime habitat, the Gully canyon, was made a Marine Protected Area (MPA). Using mark-recapture techniques on photo-identifications I estimate a current population of 116 animals (9...
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ftcanadathes:oai:collectionscanada.gc.ca:NSHD.ca#10222/35342 2023-05-15T16:36:27+02:00 POPULATION STATUS AND SOCIAL STRUCTURE OF NORTHERN BOTTLENOSE WHALES (HYPEROODON AMPULLATUS) ON THE SCOTIAN SHELF O'Brien, Kristin 2013-08-14T14:19:40Z http://hdl.handle.net/10222/35342 en eng http://hdl.handle.net/10222/35342 Cetacean Beaked whale Marine Protected Area Photo-identification 2013 ftcanadathes 2013-11-23T23:01:06Z I examined the dynamics of an endangered population of northern bottlenose whales over a 23-year period during which its prime habitat, the Gully canyon, was made a Marine Protected Area (MPA). Using mark-recapture techniques on photo-identifications I estimate a current population of 116 animals (95% CI=101-130). The population size and sex-ratio have remained stable since before the MPA designation suggesting this population is persisting. I used photo-identifications and high definition videography to examine the social organization of northern bottlenose whales, including behavioural synchrony. Relationships are highly variable; most associations are short-lived, but there are also long-term preferred associations lasting from several years (female/immature dyads) to over a decade (mature male dyads). I found little, if any, division of the social community. Synchronized breathing is common, precise, and appears to vary with behaivoural context. Although speculative, synchronized breathing might play a role the maintenance of general social relationships within this population. Other/Unknown Material hyperoodon ampullatus Theses Canada/Thèses Canada (Library and Archives Canada) The Gully ENVELOPE(-57.731,-57.731,51.567,51.567) |
institution |
Open Polar |
collection |
Theses Canada/Thèses Canada (Library and Archives Canada) |
op_collection_id |
ftcanadathes |
language |
English |
topic |
Cetacean Beaked whale Marine Protected Area Photo-identification |
spellingShingle |
Cetacean Beaked whale Marine Protected Area Photo-identification O'Brien, Kristin POPULATION STATUS AND SOCIAL STRUCTURE OF NORTHERN BOTTLENOSE WHALES (HYPEROODON AMPULLATUS) ON THE SCOTIAN SHELF |
topic_facet |
Cetacean Beaked whale Marine Protected Area Photo-identification |
description |
I examined the dynamics of an endangered population of northern bottlenose whales over a 23-year period during which its prime habitat, the Gully canyon, was made a Marine Protected Area (MPA). Using mark-recapture techniques on photo-identifications I estimate a current population of 116 animals (95% CI=101-130). The population size and sex-ratio have remained stable since before the MPA designation suggesting this population is persisting. I used photo-identifications and high definition videography to examine the social organization of northern bottlenose whales, including behavioural synchrony. Relationships are highly variable; most associations are short-lived, but there are also long-term preferred associations lasting from several years (female/immature dyads) to over a decade (mature male dyads). I found little, if any, division of the social community. Synchronized breathing is common, precise, and appears to vary with behaivoural context. Although speculative, synchronized breathing might play a role the maintenance of general social relationships within this population. |
author |
O'Brien, Kristin |
author_facet |
O'Brien, Kristin |
author_sort |
O'Brien, Kristin |
title |
POPULATION STATUS AND SOCIAL STRUCTURE OF NORTHERN BOTTLENOSE WHALES (HYPEROODON AMPULLATUS) ON THE SCOTIAN SHELF |
title_short |
POPULATION STATUS AND SOCIAL STRUCTURE OF NORTHERN BOTTLENOSE WHALES (HYPEROODON AMPULLATUS) ON THE SCOTIAN SHELF |
title_full |
POPULATION STATUS AND SOCIAL STRUCTURE OF NORTHERN BOTTLENOSE WHALES (HYPEROODON AMPULLATUS) ON THE SCOTIAN SHELF |
title_fullStr |
POPULATION STATUS AND SOCIAL STRUCTURE OF NORTHERN BOTTLENOSE WHALES (HYPEROODON AMPULLATUS) ON THE SCOTIAN SHELF |
title_full_unstemmed |
POPULATION STATUS AND SOCIAL STRUCTURE OF NORTHERN BOTTLENOSE WHALES (HYPEROODON AMPULLATUS) ON THE SCOTIAN SHELF |
title_sort |
population status and social structure of northern bottlenose whales (hyperoodon ampullatus) on the scotian shelf |
publishDate |
2013 |
url |
http://hdl.handle.net/10222/35342 |
long_lat |
ENVELOPE(-57.731,-57.731,51.567,51.567) |
geographic |
The Gully |
geographic_facet |
The Gully |
genre |
hyperoodon ampullatus |
genre_facet |
hyperoodon ampullatus |
op_relation |
http://hdl.handle.net/10222/35342 |
_version_ |
1766026782415257600 |