Data from: Environmental quality predicts optimal egg size in the wild
Parents can maximize their reproductive success by balancing the trade-off between investment per offspring and fecundity. According to theory, environmental quality influences the relationship between investment per offspring and offspring fitness, such that well-provisioned offspring fare better w...
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ftdans:oai:easy.dans.knaw.nl:easy-dataset:83253 2023-07-02T03:31:43+02:00 Data from: Environmental quality predicts optimal egg size in the wild Rollinson, Njal Hutchings, Jeffrey A. 2013-02-21T16:49:19.000+01:00 http://nbn-resolving.org/urn:nbn:nl:ui:13-o7-8jbz https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:83253 unknown doi:10.5061/dryad.0q13g/1 doi:10.5061/dryad.0q13g/2 doi:10.5061/dryad.0q13g/3 doi:10.5061/dryad.0q13g/4 doi:10.5061/dryad.0q13g/5 doi:10.1086/670648 PMID:23778228 http://nbn-resolving.org/urn:nbn:nl:ui:13-o7-8jbz doi:10.5061/dryad.0q13g https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:83253 OPEN_ACCESS: The data are archived in Easy, they are accessible elsewhere through the DOI https://dans.knaw.nl/en/about/organisation-and-policy/legal-information/DANSLicence.pdf Life sciences medicine and health care 2013 ftdans https://doi.org/10.5061/dryad.0q13g/110.5061/dryad.0q13g/210.5061/dryad.0q13g/310.5061/dryad.0q13g/410.5061/dryad.0q13g/510.1086/67064810.5061/dryad.0q13g 2023-06-13T13:08:11Z Parents can maximize their reproductive success by balancing the trade-off between investment per offspring and fecundity. According to theory, environmental quality influences the relationship between investment per offspring and offspring fitness, such that well-provisioned offspring fare better when environmental quality is lower. A major prediction of classic theory, then, is that optimal investment per offspring will increase as environmental quality decreases. To test this prediction, we release over 30,000 juvenile Atlantic salmon (Salmo salar) into eight wild stream environments, and we monitor subsequent growth and survival of juveniles. We estimate the shape of the relationship between investment per offspring (egg size) and offspring fitness in each stream. We find that optimal egg size is greater when the quality of the stream environment is lower (as estimated by a composite index of habitat quality). Across streams, the mean size of stream gravel and the mean amount of incident sunlight are the most important individual predictors of optimal egg size. Within streams, juveniles recaptured in stream subsections that featured larger gravels and greater levels of sunlight also grew relatively quickly, an association that complements our cross-stream analyses. This study provides the first empirical verification that environmental quality alters the relationship between investment per offspring and offspring fitness, such that optimal investment per offspring increases as environmental quality decreases. Other/Unknown Material Atlantic salmon Salmo salar Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen) |
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Open Polar |
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Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen) |
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Life sciences medicine and health care |
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Life sciences medicine and health care Rollinson, Njal Hutchings, Jeffrey A. Data from: Environmental quality predicts optimal egg size in the wild |
topic_facet |
Life sciences medicine and health care |
description |
Parents can maximize their reproductive success by balancing the trade-off between investment per offspring and fecundity. According to theory, environmental quality influences the relationship between investment per offspring and offspring fitness, such that well-provisioned offspring fare better when environmental quality is lower. A major prediction of classic theory, then, is that optimal investment per offspring will increase as environmental quality decreases. To test this prediction, we release over 30,000 juvenile Atlantic salmon (Salmo salar) into eight wild stream environments, and we monitor subsequent growth and survival of juveniles. We estimate the shape of the relationship between investment per offspring (egg size) and offspring fitness in each stream. We find that optimal egg size is greater when the quality of the stream environment is lower (as estimated by a composite index of habitat quality). Across streams, the mean size of stream gravel and the mean amount of incident sunlight are the most important individual predictors of optimal egg size. Within streams, juveniles recaptured in stream subsections that featured larger gravels and greater levels of sunlight also grew relatively quickly, an association that complements our cross-stream analyses. This study provides the first empirical verification that environmental quality alters the relationship between investment per offspring and offspring fitness, such that optimal investment per offspring increases as environmental quality decreases. |
author |
Rollinson, Njal Hutchings, Jeffrey A. |
author_facet |
Rollinson, Njal Hutchings, Jeffrey A. |
author_sort |
Rollinson, Njal |
title |
Data from: Environmental quality predicts optimal egg size in the wild |
title_short |
Data from: Environmental quality predicts optimal egg size in the wild |
title_full |
Data from: Environmental quality predicts optimal egg size in the wild |
title_fullStr |
Data from: Environmental quality predicts optimal egg size in the wild |
title_full_unstemmed |
Data from: Environmental quality predicts optimal egg size in the wild |
title_sort |
data from: environmental quality predicts optimal egg size in the wild |
publishDate |
2013 |
url |
http://nbn-resolving.org/urn:nbn:nl:ui:13-o7-8jbz https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:83253 |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_relation |
doi:10.5061/dryad.0q13g/1 doi:10.5061/dryad.0q13g/2 doi:10.5061/dryad.0q13g/3 doi:10.5061/dryad.0q13g/4 doi:10.5061/dryad.0q13g/5 doi:10.1086/670648 PMID:23778228 http://nbn-resolving.org/urn:nbn:nl:ui:13-o7-8jbz doi:10.5061/dryad.0q13g https://easy.dans.knaw.nl/ui/datasets/id/easy-dataset:83253 |
op_rights |
OPEN_ACCESS: The data are archived in Easy, they are accessible elsewhere through the DOI https://dans.knaw.nl/en/about/organisation-and-policy/legal-information/DANSLicence.pdf |
op_doi |
https://doi.org/10.5061/dryad.0q13g/110.5061/dryad.0q13g/210.5061/dryad.0q13g/310.5061/dryad.0q13g/410.5061/dryad.0q13g/510.1086/67064810.5061/dryad.0q13g |
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