Quantifying capital vs. income breeding: new promise with stable isotope measurements of individual amino acids ...
1. Capital breeders accumulate nutrients prior to egg development, then use these stores to support offspring. In contrast, income breeders rely on local nutrients consumed contemporaneously with offspring development. Understanding such nutrient allocations is critical to assessing wildlife relianc...
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Online Access: | https://dx.doi.org/10.5061/dryad.j3tx95xcb https://datadryad.org/stash/dataset/doi:10.5061/dryad.j3tx95xcb |
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ftdatacite:10.5061/dryad.j3tx95xcb 2024-10-13T14:03:33+00:00 Quantifying capital vs. income breeding: new promise with stable isotope measurements of individual amino acids ... Whiteman, John 2020 https://dx.doi.org/10.5061/dryad.j3tx95xcb https://datadryad.org/stash/dataset/doi:10.5061/dryad.j3tx95xcb en eng Dryad Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 FOS: Biological sciences Aptenodytes forsteri Emperor penguin stable carbon isotopes stable nitrogen isotopes amino acid isotopes compound-specific stable isotopes compound-specific isotope analysis capital breeder income breeding capital-income breeder Dataset dataset 2020 ftdatacite https://doi.org/10.5061/dryad.j3tx95xcb 2024-10-01T11:12:04Z 1. Capital breeders accumulate nutrients prior to egg development, then use these stores to support offspring. In contrast, income breeders rely on local nutrients consumed contemporaneously with offspring development. Understanding such nutrient allocations is critical to assessing wildlife reliance on different habitats. 2. Despite the contrast between these strategies, it remains challenging to trace nutrients from endogenous stores or exogenous food intake into offspring. Here, we tested a new solution to this problem. 3. Using tissue samples collected opportunistically from wild emperor penguins (Aptenodytes forsteri), which exemplify capital breeding, we hypothesized that the stable carbon (δ13C) and nitrogen (δ15N) isotope values of individual amino acids (AA) in endogenous stores (e.g., muscle) and in egg yolk and albumen reflect the nutrient sourcing that distinguishes capital versus income breeding. Unlike other methods, this approach does not require untested assumptions or diet sampling. 4. We ... : These are stable carbon isotope and stable nitrogen isotope values measured in amino acids from hydrolyzed proteins in samples of emperor penguin egg yolk, egg albumen, and skeletal muscle. ... Dataset Aptenodytes forsteri Emperor penguins DataCite |
institution |
Open Polar |
collection |
DataCite |
op_collection_id |
ftdatacite |
language |
English |
topic |
FOS: Biological sciences Aptenodytes forsteri Emperor penguin stable carbon isotopes stable nitrogen isotopes amino acid isotopes compound-specific stable isotopes compound-specific isotope analysis capital breeder income breeding capital-income breeder |
spellingShingle |
FOS: Biological sciences Aptenodytes forsteri Emperor penguin stable carbon isotopes stable nitrogen isotopes amino acid isotopes compound-specific stable isotopes compound-specific isotope analysis capital breeder income breeding capital-income breeder Whiteman, John Quantifying capital vs. income breeding: new promise with stable isotope measurements of individual amino acids ... |
topic_facet |
FOS: Biological sciences Aptenodytes forsteri Emperor penguin stable carbon isotopes stable nitrogen isotopes amino acid isotopes compound-specific stable isotopes compound-specific isotope analysis capital breeder income breeding capital-income breeder |
description |
1. Capital breeders accumulate nutrients prior to egg development, then use these stores to support offspring. In contrast, income breeders rely on local nutrients consumed contemporaneously with offspring development. Understanding such nutrient allocations is critical to assessing wildlife reliance on different habitats. 2. Despite the contrast between these strategies, it remains challenging to trace nutrients from endogenous stores or exogenous food intake into offspring. Here, we tested a new solution to this problem. 3. Using tissue samples collected opportunistically from wild emperor penguins (Aptenodytes forsteri), which exemplify capital breeding, we hypothesized that the stable carbon (δ13C) and nitrogen (δ15N) isotope values of individual amino acids (AA) in endogenous stores (e.g., muscle) and in egg yolk and albumen reflect the nutrient sourcing that distinguishes capital versus income breeding. Unlike other methods, this approach does not require untested assumptions or diet sampling. 4. We ... : These are stable carbon isotope and stable nitrogen isotope values measured in amino acids from hydrolyzed proteins in samples of emperor penguin egg yolk, egg albumen, and skeletal muscle. ... |
format |
Dataset |
author |
Whiteman, John |
author_facet |
Whiteman, John |
author_sort |
Whiteman, John |
title |
Quantifying capital vs. income breeding: new promise with stable isotope measurements of individual amino acids ... |
title_short |
Quantifying capital vs. income breeding: new promise with stable isotope measurements of individual amino acids ... |
title_full |
Quantifying capital vs. income breeding: new promise with stable isotope measurements of individual amino acids ... |
title_fullStr |
Quantifying capital vs. income breeding: new promise with stable isotope measurements of individual amino acids ... |
title_full_unstemmed |
Quantifying capital vs. income breeding: new promise with stable isotope measurements of individual amino acids ... |
title_sort |
quantifying capital vs. income breeding: new promise with stable isotope measurements of individual amino acids ... |
publisher |
Dryad |
publishDate |
2020 |
url |
https://dx.doi.org/10.5061/dryad.j3tx95xcb https://datadryad.org/stash/dataset/doi:10.5061/dryad.j3tx95xcb |
genre |
Aptenodytes forsteri Emperor penguins |
genre_facet |
Aptenodytes forsteri Emperor penguins |
op_rights |
Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 |
op_doi |
https://doi.org/10.5061/dryad.j3tx95xcb |
_version_ |
1812808626670141440 |