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240308s2024 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.17187
|2 doi
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|a pubmed24n1323.xml
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|a (DE-627)NLM369459415
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|a (NLM)38456203
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Beaudry-Sylvestre, Manuelle
|e verfasserin
|4 aut
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|a Coherent long-term body-size responses across all Northwest Atlantic herring populations to warming and environmental change despite contrasting harvest and ecological factors
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|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 11.03.2024
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|a Date Revised 11.03.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © 2024 His Majesty the King in Right of Canada and The Authors. Global Change Biology published by John Wiley & Sons Ltd. Reproduced with the permission of the Minister of Fisheries and Oceans Canada.
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|a Body size is a key component of individual fitness and an important factor in the structure and functioning of populations and ecosystems. Disentangling the effects of environmental change, harvest and intra- and inter-specific trophic effects on body size remains challenging for populations in the wild. Herring in the Northwest Atlantic provide a strong basis for evaluating hypotheses related to these drivers given that they have experienced significant warming and harvest over the past century, while also having been exposed to a wide range of other selective constraints across their range. Using data on mean length-at-age 4 for the sixteen principal populations over a period of 53 cohorts (1962-2014), we fitted a series of empirical models for temporal and between-population variation in the response to changes in sea surface temperature. We find evidence for a unified cross-population response in the form of a parabolic function according to which populations in naturally warmer environments have responded more negatively to increasing temperature compared with those in colder locations. Temporal variation in residuals from this function was highly coherent among populations, further suggesting a common response to a large-scale environmental driver. The synchrony observed in this study system, despite strong differences in harvest and ecological histories among populations and over time, clearly indicates a dominant role of environmental change on size-at-age in wild populations, in contrast to commonly reported effects of fishing. This finding has important implications for the management of fisheries as it indicates that a key trait associated with population productivity may be under considerably less short-term management control than currently assumed. Our study, overall, illustrates the need for a comparative approach within species for inferences concerning the many possible effects on body size of natural and anthropogenic drivers in the wild
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|a Journal Article
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|a bottom-up effects
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|a comparative approach
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| 650 |
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4 |
|a density-dependence
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| 650 |
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4 |
|a life history theory
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| 650 |
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4 |
|a size-at-age
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| 650 |
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4 |
|a size-selective mortality
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| 650 |
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|a synchrony
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| 650 |
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4 |
|a thermal optimum
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|a Benoît, Hugues P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hutchings, Jeffrey A
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 30(2024), 3 vom: 01. März, Seite e17187
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:30
|g year:2024
|g number:3
|g day:01
|g month:03
|g pages:e17187
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.17187
|3 Volltext
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