Data from: Brood size affects future reproduction in a long-lived bird with precocial young
Estimation of trade-offs between current reproduction and future survival and fecundity of long-lived vertebrates is essential to understanding factors that shape optimal reproductive investment. Black brant geese (Branta bernicla nigricans) are able fledge more goslings, on average, when their broo...
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Online Access: | https://doi.org/10.5061/dryad.96bk480 |
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fttriple:oai:gotriple.eu:50|dedup_wf_001::9339a3164762ff2d70c371cb5a6b9816 2023-05-15T15:46:07+02:00 Data from: Brood size affects future reproduction in a long-lived bird with precocial young Leach, Alan Sedinger, James Riecke, Thomas Dellen, Amanda Van Ward, David Boyd, Sean 2018-10-26 https://doi.org/10.5061/dryad.96bk480 en eng Dryad http://dx.doi.org/10.5061/dryad.96bk480 https://dx.doi.org/10.5061/dryad.96bk480 lic_creative-commons 10.5061/dryad.96bk480 oai:services.nod.dans.knaw.nl:Products/dans:oai:easy.dans.knaw.nl:easy-dataset:119003 oai:easy.dans.knaw.nl:easy-dataset:119003 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 10|re3data_____::94816e6421eeb072e7742ce6a9decc5f 10|eurocrisdris::fe4903425d9040f680d8610d9079ea14 re3data_____::r3d100000044 10|re3data_____::84e123776089ce3c7a33db98d9cd15a8 10|openaire____::081b82f96300b6a6e3d282bad31cb6e2 Reproduction: investment Demography FOS: Sociology Trade offs Branta bernicla nigricans Reproduction: costs Life sciences medicine and health care Tutakoke River Brant Colony Yukon-Kuskokwm Delta Alaska demo envir Dataset https://vocabularies.coar-repositories.org/resource_types/c_ddb1/ 2018 fttriple https://doi.org/10.5061/dryad.96bk480 2023-01-22T17:23:06Z Estimation of trade-offs between current reproduction and future survival and fecundity of long-lived vertebrates is essential to understanding factors that shape optimal reproductive investment. Black brant geese (Branta bernicla nigricans) are able fledge more goslings, on average, when their broods are experimentally enlarged to be greater than the most common clutch size of four eggs. Thus, we hypothesized that the lesser frequency of brant clutches exceeding four eggs results, at least partially, from a future reduction in survival, breeding probability, or clutch size for females tending larger broods. We used an eight-year mark-recapture dataset (Barker robust design) with five years of clutch and brood manipulations to estimate long-term consequences of reproductive decisions in brant. We did not find evidence of a trade-off between reproductive effort and true survival or future clutch size. Rather, future breeding probability was maximized (0.92 ± 0.03 [se]) for manipulated females tending broods of four goslings (i.e., the most common natural brood size) and lower for females tending smaller (one gosling; 0.63 ± 0.09 [se]) or larger broods (seven goslings; 0.52 ± 0.15 [se]). Our results suggest that demographic trade-offs for female brant tending large broods may reduce the fitness value of clutches larger than four and, therefore, contribute to the paucity of larger clutches. The lack of a trade-off between reproductive effort and survival provides evidence that this trait, to which fitness is most sensitive in long-lived animals, is buffered against temporal variation. cs_initiation_dateThis file contains data used to estimate the effects of clutch and brood size manipulations on clutch size and initiation date of female black brant in year t+1. Variable descriptions are as follows: "METAL" is the unique number on a female's steel leg band; "CSM1" is the laid clutch size of a female in year t -1; "CS" is the laid clutch size of a female in year t. "IDM1" is the initiation date, in Julian days, of ... Dataset Branta bernicla Alaska Yukon Unknown Brant ENVELOPE(7.105,7.105,62.917,62.917) Yukon |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
fttriple |
language |
English |
topic |
Reproduction: investment Demography FOS: Sociology Trade offs Branta bernicla nigricans Reproduction: costs Life sciences medicine and health care Tutakoke River Brant Colony Yukon-Kuskokwm Delta Alaska demo envir |
spellingShingle |
Reproduction: investment Demography FOS: Sociology Trade offs Branta bernicla nigricans Reproduction: costs Life sciences medicine and health care Tutakoke River Brant Colony Yukon-Kuskokwm Delta Alaska demo envir Leach, Alan Sedinger, James Riecke, Thomas Dellen, Amanda Van Ward, David Boyd, Sean Data from: Brood size affects future reproduction in a long-lived bird with precocial young |
topic_facet |
Reproduction: investment Demography FOS: Sociology Trade offs Branta bernicla nigricans Reproduction: costs Life sciences medicine and health care Tutakoke River Brant Colony Yukon-Kuskokwm Delta Alaska demo envir |
description |
Estimation of trade-offs between current reproduction and future survival and fecundity of long-lived vertebrates is essential to understanding factors that shape optimal reproductive investment. Black brant geese (Branta bernicla nigricans) are able fledge more goslings, on average, when their broods are experimentally enlarged to be greater than the most common clutch size of four eggs. Thus, we hypothesized that the lesser frequency of brant clutches exceeding four eggs results, at least partially, from a future reduction in survival, breeding probability, or clutch size for females tending larger broods. We used an eight-year mark-recapture dataset (Barker robust design) with five years of clutch and brood manipulations to estimate long-term consequences of reproductive decisions in brant. We did not find evidence of a trade-off between reproductive effort and true survival or future clutch size. Rather, future breeding probability was maximized (0.92 ± 0.03 [se]) for manipulated females tending broods of four goslings (i.e., the most common natural brood size) and lower for females tending smaller (one gosling; 0.63 ± 0.09 [se]) or larger broods (seven goslings; 0.52 ± 0.15 [se]). Our results suggest that demographic trade-offs for female brant tending large broods may reduce the fitness value of clutches larger than four and, therefore, contribute to the paucity of larger clutches. The lack of a trade-off between reproductive effort and survival provides evidence that this trait, to which fitness is most sensitive in long-lived animals, is buffered against temporal variation. cs_initiation_dateThis file contains data used to estimate the effects of clutch and brood size manipulations on clutch size and initiation date of female black brant in year t+1. Variable descriptions are as follows: "METAL" is the unique number on a female's steel leg band; "CSM1" is the laid clutch size of a female in year t -1; "CS" is the laid clutch size of a female in year t. "IDM1" is the initiation date, in Julian days, of ... |
format |
Dataset |
author |
Leach, Alan Sedinger, James Riecke, Thomas Dellen, Amanda Van Ward, David Boyd, Sean |
author_facet |
Leach, Alan Sedinger, James Riecke, Thomas Dellen, Amanda Van Ward, David Boyd, Sean |
author_sort |
Leach, Alan |
title |
Data from: Brood size affects future reproduction in a long-lived bird with precocial young |
title_short |
Data from: Brood size affects future reproduction in a long-lived bird with precocial young |
title_full |
Data from: Brood size affects future reproduction in a long-lived bird with precocial young |
title_fullStr |
Data from: Brood size affects future reproduction in a long-lived bird with precocial young |
title_full_unstemmed |
Data from: Brood size affects future reproduction in a long-lived bird with precocial young |
title_sort |
data from: brood size affects future reproduction in a long-lived bird with precocial young |
publisher |
Dryad |
publishDate |
2018 |
url |
https://doi.org/10.5061/dryad.96bk480 |
long_lat |
ENVELOPE(7.105,7.105,62.917,62.917) |
geographic |
Brant Yukon |
geographic_facet |
Brant Yukon |
genre |
Branta bernicla Alaska Yukon |
genre_facet |
Branta bernicla Alaska Yukon |
op_source |
10.5061/dryad.96bk480 oai:services.nod.dans.knaw.nl:Products/dans:oai:easy.dans.knaw.nl:easy-dataset:119003 oai:easy.dans.knaw.nl:easy-dataset:119003 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 10|re3data_____::94816e6421eeb072e7742ce6a9decc5f 10|eurocrisdris::fe4903425d9040f680d8610d9079ea14 re3data_____::r3d100000044 10|re3data_____::84e123776089ce3c7a33db98d9cd15a8 10|openaire____::081b82f96300b6a6e3d282bad31cb6e2 |
op_relation |
http://dx.doi.org/10.5061/dryad.96bk480 https://dx.doi.org/10.5061/dryad.96bk480 |
op_rights |
lic_creative-commons |
op_doi |
https://doi.org/10.5061/dryad.96bk480 |
_version_ |
1766380802741895168 |