Stable isotope analyses of feather amino acids identify penguin migration strategies at ocean basin scales

Polito, Michael J.; Hinke, Jefferson T.; Hart, Tom; Santos, Mercedes; Houghton, Leah A.; Thorrold, Simon R.

doi:10.1098/rsbl.2017.0241

i

Stable isotope analyses of feather amino acids identify penguin migration strategies at ocean basin scales

Supporting Files

2017
By Polito, Michael J. ; Hinke, Jefferson T. ; Hart, Tom ; ...

Details

Journal Title:

Biology Letters
Personal Author:

Polito, Michael J. ; Hinke, Jefferson T. ; Hart, Tom ; Santos, Mercedes ; Houghton, Leah A. ; Thorrold, Simon R.
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center)
Description:

Identifying the at-sea distribution of wide-ranging marine predators is critical to understanding their ecology. Advances in electronic tracking devices and intrinsic biogeochemical markers have greatly improved our ability to track animal movements on ocean-wide scales. Here, we show that, in combination with direct tracking, stable carbon isotope analysis of essential amino acids in tail feathers provides the ability to track the movement patterns of two, wide-ranging penguin species over ocean basin scales. In addition, we use this isotopic approach across multiple breeding colonies in the Scotia Arc to evaluate migration trends at a regional scale that would be logistically challenging using direct tracking alone.
Keywords:

Geolocation Migration Seabirds
Source:

Biol Lett. 2017 Aug;13(8):20170241.
DOI:

https://doi.org/10.1098/rsbl.2017.0241
Pubmed ID:

28794274
Pubmed Central ID:

PMC5582103
Document Type:

Journal Article
Rights Information:

Other
Compliance:

PMC
Main Document Checksum:

urn:sha-512:f90d6a033aef2ef2ccba4fda93c41ce36b260478e0568c9471c642e29eb36029e04561a2f3eb73433bbd70c4f1350dbe1bf350f8730fc8bfafab2b61eb874efd
Download URL:

https://repository.library.noaa.gov/view/noaa/26200/noaa_26200_DS1.pdf
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[PDF - 505.26 KB ]

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