Future directions in Eubalaena spp.:comparative research to inform conservation
All three extant right whales [ Eubalaena australis (Southern; SRW), glacialis (North Atlantic; NARW), and japonica (North Pacific; NPRW)] were heavily exploited, and the status of the two northern hemisphere species remains precarious. Recently, limited gains made by the NARW have been reversed and...
Published in: | Frontiers in Marine Science |
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Language: | English |
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Online Access: | https://risweb.st-andrews.ac.uk/portal/en/researchoutput/future-directions-in-eubalaena-spp(6cb27b98-3fa2-4fd1-af27-d61226068ac1).html https://doi.org/10.3389/fmars.2018.00530 https://research-repository.st-andrews.ac.uk/bitstream/10023/16962/1/Harcourt_2019_FMS_Futuredirections_CC.pdf |
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ftunstandrewcris:oai:risweb.st-andrews.ac.uk:publications/6cb27b98-3fa2-4fd1-af27-d61226068ac1 2023-05-15T17:35:26+02:00 Future directions in Eubalaena spp.:comparative research to inform conservation Harcourt, Rob van der Hoop, Julie Kraus, Scott Carroll, Emma L. 2019-01-30 application/pdf https://risweb.st-andrews.ac.uk/portal/en/researchoutput/future-directions-in-eubalaena-spp(6cb27b98-3fa2-4fd1-af27-d61226068ac1).html https://doi.org/10.3389/fmars.2018.00530 https://research-repository.st-andrews.ac.uk/bitstream/10023/16962/1/Harcourt_2019_FMS_Futuredirections_CC.pdf eng eng info:eu-repo/semantics/openAccess Harcourt , R , van der Hoop , J , Kraus , S & Carroll , E L 2019 , ' Future directions in Eubalaena spp. comparative research to inform conservation ' , Frontiers in Marine Science , vol. 5 , 530 . https://doi.org/10.3389/fmars.2018.00530 Right whale Conservation Cumulative effects analysis Conservation technology Threats Recovery article 2019 ftunstandrewcris https://doi.org/10.3389/fmars.2018.00530 2021-12-26T14:33:58Z All three extant right whales [ Eubalaena australis (Southern; SRW), glacialis (North Atlantic; NARW), and japonica (North Pacific; NPRW)] were heavily exploited, and the status of the two northern hemisphere species remains precarious. Recently, limited gains made by the NARW have been reversed and urgent changes to management approaches are needed if extinction is to be averted. By contrast, some SRW populations are recovering. Given their close phylogenetic relationship, morphological, demographic, and ecological similarities, the contrasting recovery rates between populations and species provide an opportunity to apply a comparative approach to inform the differences in recovery as follows. (1) Recovery: All right whale species were internationally protected in 1931, but NARW, eastern NPRW and some SRW populations have barely recovered from whaling, while others are doing so at maximal rates. Are these differences a legacy of extreme depletion (e.g., loss of genetic diversity and cultural knowledge) or primarily due to anthropogenic factors (e.g., high mortality from ship strike and fisheries entanglement)? If modern anthropogenic threats are not affecting remote SRW populations, can these serve as baseline populations for comparison with NARW and NPRW? (2) Linking individuals to population-level responses: In wild mammals, strong links exist between reproductive indices and environmental conditions within the context of life-history strategies. Individual identification of whales provides the ability to track survival, reproduction and other demographic parameters, and their population-level consequences, providing the tools with which to uncover these links. Robust life-history analyses are now available for NARW and several SRW populations, linking demography with environmental conditions, providing the potential for teasing out important influencing factors. (3) Adapting to shifting resources: Recent reproductive declines in NARW appear linked to changing food resources. While we know some large-scale ... Article in Journal/Newspaper North Atlantic University of St Andrews: Research Portal Pacific Frontiers in Marine Science 5 |
institution |
Open Polar |
collection |
University of St Andrews: Research Portal |
op_collection_id |
ftunstandrewcris |
language |
English |
topic |
Right whale Conservation Cumulative effects analysis Conservation technology Threats Recovery |
spellingShingle |
Right whale Conservation Cumulative effects analysis Conservation technology Threats Recovery Harcourt, Rob van der Hoop, Julie Kraus, Scott Carroll, Emma L. Future directions in Eubalaena spp.:comparative research to inform conservation |
topic_facet |
Right whale Conservation Cumulative effects analysis Conservation technology Threats Recovery |
description |
All three extant right whales [ Eubalaena australis (Southern; SRW), glacialis (North Atlantic; NARW), and japonica (North Pacific; NPRW)] were heavily exploited, and the status of the two northern hemisphere species remains precarious. Recently, limited gains made by the NARW have been reversed and urgent changes to management approaches are needed if extinction is to be averted. By contrast, some SRW populations are recovering. Given their close phylogenetic relationship, morphological, demographic, and ecological similarities, the contrasting recovery rates between populations and species provide an opportunity to apply a comparative approach to inform the differences in recovery as follows. (1) Recovery: All right whale species were internationally protected in 1931, but NARW, eastern NPRW and some SRW populations have barely recovered from whaling, while others are doing so at maximal rates. Are these differences a legacy of extreme depletion (e.g., loss of genetic diversity and cultural knowledge) or primarily due to anthropogenic factors (e.g., high mortality from ship strike and fisheries entanglement)? If modern anthropogenic threats are not affecting remote SRW populations, can these serve as baseline populations for comparison with NARW and NPRW? (2) Linking individuals to population-level responses: In wild mammals, strong links exist between reproductive indices and environmental conditions within the context of life-history strategies. Individual identification of whales provides the ability to track survival, reproduction and other demographic parameters, and their population-level consequences, providing the tools with which to uncover these links. Robust life-history analyses are now available for NARW and several SRW populations, linking demography with environmental conditions, providing the potential for teasing out important influencing factors. (3) Adapting to shifting resources: Recent reproductive declines in NARW appear linked to changing food resources. While we know some large-scale ... |
format |
Article in Journal/Newspaper |
author |
Harcourt, Rob van der Hoop, Julie Kraus, Scott Carroll, Emma L. |
author_facet |
Harcourt, Rob van der Hoop, Julie Kraus, Scott Carroll, Emma L. |
author_sort |
Harcourt, Rob |
title |
Future directions in Eubalaena spp.:comparative research to inform conservation |
title_short |
Future directions in Eubalaena spp.:comparative research to inform conservation |
title_full |
Future directions in Eubalaena spp.:comparative research to inform conservation |
title_fullStr |
Future directions in Eubalaena spp.:comparative research to inform conservation |
title_full_unstemmed |
Future directions in Eubalaena spp.:comparative research to inform conservation |
title_sort |
future directions in eubalaena spp.:comparative research to inform conservation |
publishDate |
2019 |
url |
https://risweb.st-andrews.ac.uk/portal/en/researchoutput/future-directions-in-eubalaena-spp(6cb27b98-3fa2-4fd1-af27-d61226068ac1).html https://doi.org/10.3389/fmars.2018.00530 https://research-repository.st-andrews.ac.uk/bitstream/10023/16962/1/Harcourt_2019_FMS_Futuredirections_CC.pdf |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Harcourt , R , van der Hoop , J , Kraus , S & Carroll , E L 2019 , ' Future directions in Eubalaena spp. comparative research to inform conservation ' , Frontiers in Marine Science , vol. 5 , 530 . https://doi.org/10.3389/fmars.2018.00530 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.3389/fmars.2018.00530 |
container_title |
Frontiers in Marine Science |
container_volume |
5 |
_version_ |
1766134598739165184 |