Data from: Parents face quantity-quality tradeoffs between reproduction and investment in offspring in Iceland
How to optimally allocate time, energy and investment in an effort to maximize one's reproductive success is a fundamental problem faced by all organisms. This effort is complicated when the production of each additional offspring dilutes the total resources available for parental investment. A...
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fttriple:oai:gotriple.eu:50|dedup_wf_001::6875bf01be60e117b5ddc636d118aba8 2023-05-15T16:50:54+02:00 Data from: Parents face quantity-quality tradeoffs between reproduction and investment in offspring in Iceland Lynch, Robert Francis 2016-01-01 https://doi.org/10.5061/dryad.q3nn7 undefined unknown http://dx.doi.org/10.5061/dryad.q3nn7 https://dx.doi.org/10.5061/dryad.q3nn7 lic_creative-commons oai:services.nod.dans.knaw.nl:Products/dans:oai:easy.dans.knaw.nl:easy-dataset:92663 10.5061/dryad.q3nn7 oai:easy.dans.knaw.nl:easy-dataset:92663 10|eurocrisdris::fe4903425d9040f680d8610d9079ea14 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 10|re3data_____::94816e6421eeb072e7742ce6a9decc5f re3data_____::r3d100000044 10|re3data_____::84e123776089ce3c7a33db98d9cd15a8 10|opendoar____::8b6dd7db9af49e67306feb59a8bdc52c Life sciences medicine and health care lifetime reproductive success life history traits parental investment quantity-quality tradeoff heritability envir demo Dataset https://vocabularies.coar-repositories.org/resource_types/c_ddb1/ 2016 fttriple https://doi.org/10.5061/dryad.q3nn7 https://doi.org/10.5061/DRYAD.Q3NN7 2023-01-22T16:51:48Z How to optimally allocate time, energy and investment in an effort to maximize one's reproductive success is a fundamental problem faced by all organisms. This effort is complicated when the production of each additional offspring dilutes the total resources available for parental investment. Although a quantity–quality trade-off between producing and investing in offspring has long been assumed in evolutionary biology, testing it directly in humans is difficult, partly owing to the long generation time of our species. Using data from an Icelandic genealogy (Íslendingabók) over two centuries, I address this issue and analyse the quantity–quality trade-off in humans. I demonstrate that the primary impact of parents on the fitness of their children is the result of resources and or investment, but not genes. This effect changes significantly across time, in response to environmental conditions. Overall, increasing reproduction has negative fitness consequences on offspring, such that each additional sibling reduces an individual's average lifespan and lifetime reproductive success. This analysis provides insights into the evolutionary conflict between producing and investing in children while also shedding light on some of the causes of the demographic transition. Data for figures 1 and 2 RSOS paper1700-1919Summary data from icelandic genealogyNewData for figures 1 and 2 RSOS paper1700-1910 (2).xlsx Dataset Iceland Unknown |
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Open Polar |
collection |
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language |
unknown |
topic |
Life sciences medicine and health care lifetime reproductive success life history traits parental investment quantity-quality tradeoff heritability envir demo |
spellingShingle |
Life sciences medicine and health care lifetime reproductive success life history traits parental investment quantity-quality tradeoff heritability envir demo Lynch, Robert Francis Data from: Parents face quantity-quality tradeoffs between reproduction and investment in offspring in Iceland |
topic_facet |
Life sciences medicine and health care lifetime reproductive success life history traits parental investment quantity-quality tradeoff heritability envir demo |
description |
How to optimally allocate time, energy and investment in an effort to maximize one's reproductive success is a fundamental problem faced by all organisms. This effort is complicated when the production of each additional offspring dilutes the total resources available for parental investment. Although a quantity–quality trade-off between producing and investing in offspring has long been assumed in evolutionary biology, testing it directly in humans is difficult, partly owing to the long generation time of our species. Using data from an Icelandic genealogy (Íslendingabók) over two centuries, I address this issue and analyse the quantity–quality trade-off in humans. I demonstrate that the primary impact of parents on the fitness of their children is the result of resources and or investment, but not genes. This effect changes significantly across time, in response to environmental conditions. Overall, increasing reproduction has negative fitness consequences on offspring, such that each additional sibling reduces an individual's average lifespan and lifetime reproductive success. This analysis provides insights into the evolutionary conflict between producing and investing in children while also shedding light on some of the causes of the demographic transition. Data for figures 1 and 2 RSOS paper1700-1919Summary data from icelandic genealogyNewData for figures 1 and 2 RSOS paper1700-1910 (2).xlsx |
format |
Dataset |
author |
Lynch, Robert Francis |
author_facet |
Lynch, Robert Francis |
author_sort |
Lynch, Robert Francis |
title |
Data from: Parents face quantity-quality tradeoffs between reproduction and investment in offspring in Iceland |
title_short |
Data from: Parents face quantity-quality tradeoffs between reproduction and investment in offspring in Iceland |
title_full |
Data from: Parents face quantity-quality tradeoffs between reproduction and investment in offspring in Iceland |
title_fullStr |
Data from: Parents face quantity-quality tradeoffs between reproduction and investment in offspring in Iceland |
title_full_unstemmed |
Data from: Parents face quantity-quality tradeoffs between reproduction and investment in offspring in Iceland |
title_sort |
data from: parents face quantity-quality tradeoffs between reproduction and investment in offspring in iceland |
publishDate |
2016 |
url |
https://doi.org/10.5061/dryad.q3nn7 |
genre |
Iceland |
genre_facet |
Iceland |
op_source |
oai:services.nod.dans.knaw.nl:Products/dans:oai:easy.dans.knaw.nl:easy-dataset:92663 10.5061/dryad.q3nn7 oai:easy.dans.knaw.nl:easy-dataset:92663 10|eurocrisdris::fe4903425d9040f680d8610d9079ea14 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 10|re3data_____::94816e6421eeb072e7742ce6a9decc5f re3data_____::r3d100000044 10|re3data_____::84e123776089ce3c7a33db98d9cd15a8 10|opendoar____::8b6dd7db9af49e67306feb59a8bdc52c |
op_relation |
http://dx.doi.org/10.5061/dryad.q3nn7 https://dx.doi.org/10.5061/dryad.q3nn7 |
op_rights |
lic_creative-commons |
op_doi |
https://doi.org/10.5061/dryad.q3nn7 https://doi.org/10.5061/DRYAD.Q3NN7 |
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1766041016764203008 |