Temporal and spatial trends in stranding records of cetaceans on the Irish coast, 2002–2014
Using Irish strandings data collected between 2002 and 2014, seasonal and annual trends in the number of strandings for all strandings identified to species level (N = 1480), and for the five most frequently reported species: common dolphin (25.7% of records), harbour porpoise (22.2%), long-finned p...
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Online Access: | http://dx.doi.org/10.1017/s0025315416001594 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0025315416001594 |
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crcambridgeupr:10.1017/s0025315416001594 2024-04-28T08:23:01+00:00 Temporal and spatial trends in stranding records of cetaceans on the Irish coast, 2002–2014 McGovern, Barry Culloch, Ross M. O'Connell, Michael Berrow, Simon 2016 http://dx.doi.org/10.1017/s0025315416001594 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0025315416001594 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Journal of the Marine Biological Association of the United Kingdom volume 98, issue 5, page 977-989 ISSN 0025-3154 1469-7769 Aquatic Science journal-article 2016 crcambridgeupr https://doi.org/10.1017/s0025315416001594 2024-04-09T06:56:01Z Using Irish strandings data collected between 2002 and 2014, seasonal and annual trends in the number of strandings for all strandings identified to species level (N = 1480), and for the five most frequently reported species: common dolphin (25.7% of records), harbour porpoise (22.2%), long-finned pilot whale (8.8%), striped dolphin (6.9%) and bottlenose dolphin (6.9%) were investigated. With the exception of bottlenose dolphins, there was a significant linear increase in the number of strandings across years for all species and for all strandings collectively, that were identified to species-level. Only common dolphins demonstrated a significant increase in the proportion of records relative to all other strandings, which may be indicative of a real rise in the number of strandings of this species. Common dolphins and harbour porpoises showed a similar significant difference in monthly strandings, with more strandings occurring during the earlier months of the year. Significant differences in the gender of stranded animals were found in common, striped, bottlenose and Atlantic white-sided dolphins and sperm and pygmy sperm whales. Live and mass stranding events were primarily comprised of pelagic species. Most strandings occurred on the south and west coasts, with two hotspots for live and mass strandings identified. The patterns and trends identified are discussed in relation to the caveats in interpreting strandings data. Specifically to Ireland, the findings highlight the urgent need to build on the current volunteer reporting network and augment this comprehensive dataset with post-mortem examinations to better understand the cause of the trends identified. The importance of strandings data in informing conservation and management guidelines of these species’ is discussed. Article in Journal/Newspaper Harbour porpoise Cambridge University Press Journal of the Marine Biological Association of the United Kingdom 98 5 977 989 |
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Cambridge University Press |
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English |
topic |
Aquatic Science |
spellingShingle |
Aquatic Science McGovern, Barry Culloch, Ross M. O'Connell, Michael Berrow, Simon Temporal and spatial trends in stranding records of cetaceans on the Irish coast, 2002–2014 |
topic_facet |
Aquatic Science |
description |
Using Irish strandings data collected between 2002 and 2014, seasonal and annual trends in the number of strandings for all strandings identified to species level (N = 1480), and for the five most frequently reported species: common dolphin (25.7% of records), harbour porpoise (22.2%), long-finned pilot whale (8.8%), striped dolphin (6.9%) and bottlenose dolphin (6.9%) were investigated. With the exception of bottlenose dolphins, there was a significant linear increase in the number of strandings across years for all species and for all strandings collectively, that were identified to species-level. Only common dolphins demonstrated a significant increase in the proportion of records relative to all other strandings, which may be indicative of a real rise in the number of strandings of this species. Common dolphins and harbour porpoises showed a similar significant difference in monthly strandings, with more strandings occurring during the earlier months of the year. Significant differences in the gender of stranded animals were found in common, striped, bottlenose and Atlantic white-sided dolphins and sperm and pygmy sperm whales. Live and mass stranding events were primarily comprised of pelagic species. Most strandings occurred on the south and west coasts, with two hotspots for live and mass strandings identified. The patterns and trends identified are discussed in relation to the caveats in interpreting strandings data. Specifically to Ireland, the findings highlight the urgent need to build on the current volunteer reporting network and augment this comprehensive dataset with post-mortem examinations to better understand the cause of the trends identified. The importance of strandings data in informing conservation and management guidelines of these species’ is discussed. |
format |
Article in Journal/Newspaper |
author |
McGovern, Barry Culloch, Ross M. O'Connell, Michael Berrow, Simon |
author_facet |
McGovern, Barry Culloch, Ross M. O'Connell, Michael Berrow, Simon |
author_sort |
McGovern, Barry |
title |
Temporal and spatial trends in stranding records of cetaceans on the Irish coast, 2002–2014 |
title_short |
Temporal and spatial trends in stranding records of cetaceans on the Irish coast, 2002–2014 |
title_full |
Temporal and spatial trends in stranding records of cetaceans on the Irish coast, 2002–2014 |
title_fullStr |
Temporal and spatial trends in stranding records of cetaceans on the Irish coast, 2002–2014 |
title_full_unstemmed |
Temporal and spatial trends in stranding records of cetaceans on the Irish coast, 2002–2014 |
title_sort |
temporal and spatial trends in stranding records of cetaceans on the irish coast, 2002–2014 |
publisher |
Cambridge University Press (CUP) |
publishDate |
2016 |
url |
http://dx.doi.org/10.1017/s0025315416001594 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0025315416001594 |
genre |
Harbour porpoise |
genre_facet |
Harbour porpoise |
op_source |
Journal of the Marine Biological Association of the United Kingdom volume 98, issue 5, page 977-989 ISSN 0025-3154 1469-7769 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1017/s0025315416001594 |
container_title |
Journal of the Marine Biological Association of the United Kingdom |
container_volume |
98 |
container_issue |
5 |
container_start_page |
977 |
op_container_end_page |
989 |
_version_ |
1797584252607397888 |