Carbon and nitrogen stable isotope values of Antarctic Krill from the South Shetland Islands and the northern Antarctic Peninsula 2007 and 2009

This data set contains measurements of carbon (δ13C) and nitrogen (δ15N) stable isotope values of whole-body Antarctic krill (Euphausia superba) collected from trawl surveys of waters surrounding the South Shetland Islands and the northern Antarctic Peninsula during the 2006-07 and 2008-90 Austral s...

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Bibliographic Details
Main Author: Polito, Michael
Format: Dataset
Language:English
Published: U.S. Antarctic Program (USAP) Data Center 2019
Subjects:
isotope data
CARBON ISOTOPES
Nitrogen Isotopes
Antarctic Krill
Krill
Stable Isotope Analysis
Biology
Antarctica
Southern Ocean
Biosphere
Cryosphere
Oceans
Antarctic
Antarctic Peninsula
Austral
South Shetland Islands
Antarc*
Euphausia superba
Online Access:https://dx.doi.org/10.15784/601210
http://www.usap-dc.org/view/dataset/601210
Description
Summary:This data set contains measurements of carbon (δ13C) and nitrogen (δ15N) stable isotope values of whole-body Antarctic krill (Euphausia superba) collected from trawl surveys of waters surrounding the South Shetland Islands and the northern Antarctic Peninsula during the 2006-07 and 2008-90 Austral summers. Stable isotope analyses were conducted using an elemental analyzer coupled to a continuous flow stable isotope ratio mass spectrometer. Individual krill were lipid-extracted prior to analyses. The data set also includes latitude, longitude, month, and year of sample collection, standard length of the krill to the nearest mm, age class, sex, and carbon to nitrogen ratios. Details of the data set and all relevant methods are provided in Polito et al., 2013 and Polito et al., 2019.

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