Density‐ and size‐dependent mortality in fish early life stages
The importance of survival and growth variations early in life for population dynamics depends on the degrees of compensatory density dependence and size dependence in survival at later life stages. Quantifying density‐ and size‐dependent mortality at different juvenile stages is therefore important...
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Online Access: | http://hdl.handle.net/10852/74386 http://urn.nb.no/URN:NBN:no-77497 https://doi.org/10.1111/faf.12391 |
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ftoslouniv:oai:www.duo.uio.no:10852/74386 2023-05-15T15:07:38+02:00 Density‐ and size‐dependent mortality in fish early life stages Stige, Leif Christian Rogers, Lauren Neuheimer, Anna B. Hunsicker, Mary E. Yaragina, Natalia A. Ottersen, Geir Ciannelli, Lorenzo Langangen, Øystein Durant, Joel Marcel 2019-09-26T12:16:13Z http://hdl.handle.net/10852/74386 http://urn.nb.no/URN:NBN:no-77497 https://doi.org/10.1111/faf.12391 EN eng NFR/255460 EC/FP7/609033 NFR/280468 NFR/267577 http://urn.nb.no/URN:NBN:no-77497 Stige, Leif Christian Rogers, Lauren Neuheimer, Anna B. Hunsicker, Mary E. Yaragina, Natalia A. Ottersen, Geir Ciannelli, Lorenzo Langangen, Øystein Durant, Joel Marcel . Density‐ and size‐dependent mortality in fish early life stages. Fish and Fisheries. 2019, 20(5), 962-976 http://hdl.handle.net/10852/74386 1729490 info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Fish and Fisheries&rft.volume=20&rft.spage=962&rft.date=2019 Fish and Fisheries 20 5 962 976 https://doi.org/10.1111/faf.12391 URN:NBN:no-77497 Fulltext https://www.duo.uio.no/bitstream/handle/10852/74386/1/Stige_et_al-2019-Fish_and_Fisheries.pdf Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ CC-BY 1467-2960 Journal article Tidsskriftartikkel Peer reviewed PublishedVersion 2019 ftoslouniv https://doi.org/10.1111/faf.12391 2020-06-21T08:53:57Z The importance of survival and growth variations early in life for population dynamics depends on the degrees of compensatory density dependence and size dependence in survival at later life stages. Quantifying density‐ and size‐dependent mortality at different juvenile stages is therefore important to understand and potentially predict the recruitment to the population. We applied a statistical state‐space modelling approach to analyse time series of abundance and mean body size of larval and juvenile fish. The focus was to identify the importance of abundance and body size for growth and survival through successive larval and juvenile age intervals, and to quantify how the dynamics propagate through the early life to influence recruitment. We thus identified both relevant ages and mechanisms (i.e. density dependence and size dependence in survival and growth) linking recruitment variability to early life dynamics. The analysis was conducted on six economically and ecologically important fish populations from cold temperate and sub‐arctic marine ecosystems. Our results underscore the importance of size for survival early in life. The comparative analysis suggests that size‐dependent mortality and density‐dependent growth frequently occur at a transition from pelagic to demersal habitats, which may be linked to competition for suitable habitat. The generality of this hypothesis warrants testing in future research. Article in Journal/Newspaper Arctic Universitet i Oslo: Digitale utgivelser ved UiO (DUO) Arctic Fish and Fisheries 20 5 962 976 |
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Open Polar |
collection |
Universitet i Oslo: Digitale utgivelser ved UiO (DUO) |
op_collection_id |
ftoslouniv |
language |
English |
description |
The importance of survival and growth variations early in life for population dynamics depends on the degrees of compensatory density dependence and size dependence in survival at later life stages. Quantifying density‐ and size‐dependent mortality at different juvenile stages is therefore important to understand and potentially predict the recruitment to the population. We applied a statistical state‐space modelling approach to analyse time series of abundance and mean body size of larval and juvenile fish. The focus was to identify the importance of abundance and body size for growth and survival through successive larval and juvenile age intervals, and to quantify how the dynamics propagate through the early life to influence recruitment. We thus identified both relevant ages and mechanisms (i.e. density dependence and size dependence in survival and growth) linking recruitment variability to early life dynamics. The analysis was conducted on six economically and ecologically important fish populations from cold temperate and sub‐arctic marine ecosystems. Our results underscore the importance of size for survival early in life. The comparative analysis suggests that size‐dependent mortality and density‐dependent growth frequently occur at a transition from pelagic to demersal habitats, which may be linked to competition for suitable habitat. The generality of this hypothesis warrants testing in future research. |
format |
Article in Journal/Newspaper |
author |
Stige, Leif Christian Rogers, Lauren Neuheimer, Anna B. Hunsicker, Mary E. Yaragina, Natalia A. Ottersen, Geir Ciannelli, Lorenzo Langangen, Øystein Durant, Joel Marcel |
spellingShingle |
Stige, Leif Christian Rogers, Lauren Neuheimer, Anna B. Hunsicker, Mary E. Yaragina, Natalia A. Ottersen, Geir Ciannelli, Lorenzo Langangen, Øystein Durant, Joel Marcel Density‐ and size‐dependent mortality in fish early life stages |
author_facet |
Stige, Leif Christian Rogers, Lauren Neuheimer, Anna B. Hunsicker, Mary E. Yaragina, Natalia A. Ottersen, Geir Ciannelli, Lorenzo Langangen, Øystein Durant, Joel Marcel |
author_sort |
Stige, Leif Christian |
title |
Density‐ and size‐dependent mortality in fish early life stages |
title_short |
Density‐ and size‐dependent mortality in fish early life stages |
title_full |
Density‐ and size‐dependent mortality in fish early life stages |
title_fullStr |
Density‐ and size‐dependent mortality in fish early life stages |
title_full_unstemmed |
Density‐ and size‐dependent mortality in fish early life stages |
title_sort |
density‐ and size‐dependent mortality in fish early life stages |
publishDate |
2019 |
url |
http://hdl.handle.net/10852/74386 http://urn.nb.no/URN:NBN:no-77497 https://doi.org/10.1111/faf.12391 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
1467-2960 |
op_relation |
NFR/255460 EC/FP7/609033 NFR/280468 NFR/267577 http://urn.nb.no/URN:NBN:no-77497 Stige, Leif Christian Rogers, Lauren Neuheimer, Anna B. Hunsicker, Mary E. Yaragina, Natalia A. Ottersen, Geir Ciannelli, Lorenzo Langangen, Øystein Durant, Joel Marcel . Density‐ and size‐dependent mortality in fish early life stages. Fish and Fisheries. 2019, 20(5), 962-976 http://hdl.handle.net/10852/74386 1729490 info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Fish and Fisheries&rft.volume=20&rft.spage=962&rft.date=2019 Fish and Fisheries 20 5 962 976 https://doi.org/10.1111/faf.12391 URN:NBN:no-77497 Fulltext https://www.duo.uio.no/bitstream/handle/10852/74386/1/Stige_et_al-2019-Fish_and_Fisheries.pdf |
op_rights |
Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1111/faf.12391 |
container_title |
Fish and Fisheries |
container_volume |
20 |
container_issue |
5 |
container_start_page |
962 |
op_container_end_page |
976 |
_version_ |
1766339095983816704 |