scholarly journals Peer Review #1 of "Triple stable isotope analysis to estimate the diet of the Velvet Scoter (Melanitta fusca) in the Baltic Sea (v0.1)"

2018 ◽  
Keyword(s):  
Stable Isotope ◽  
Baltic Sea ◽  
Peer Review ◽  
Stable Isotope Analysis ◽  
Isotope Analysis ◽  
The Baltic Sea ◽  
Melanitta Fusca ◽  
The Baltic

Stable isotope analysis of harbour porpoises and their prey from the Baltic and Kattegat/Skagerrak Seas

2006 ◽  
Vol 2 (6) ◽  
pp. 411-419 ◽  
Author(s):  
Anders Angerbjörn ◽  
Patrik Börjesson ◽  
Katrin Brandberg
Keyword(s):  
Stable Isotope ◽  
Stable Isotope Analysis ◽  
Isotope Analysis ◽  
The Baltic

scholarly journals Triple stable isotope analysis to estimate the diet of the Velvet Scoter (Melanitta fusca) in the Baltic Sea

PeerJ ◽  
2018 ◽  
Vol 6 ◽  
pp. e5128 ◽  
Author(s):  
Rasa Morkūnė ◽  
Jūratė Lesutienė ◽  
Julius Morkūnas ◽  
Rūta Barisevičiūtė
Keyword(s):  
Stable Isotope ◽  
Baltic Sea ◽  
Isotope Analysis ◽  
Nitrogen Isotope ◽  
Enrichment Factors ◽  
Food Sources ◽  
Sandy Bottom ◽  
Sulphur Isotope ◽  
Winter Diet ◽  
Melanitta Fusca

This study quantifies contributions of different food sources in the winter diet of the Velvet Scoter (Melanitta fusca) in coastal waters of the Lithuanian Baltic Sea using non-lethal avian sampling. We highlight the application of stable sulphur isotope ratios as complementary to stable carbon and nitrogen isotope analysis in order to discriminate sandy bottom macrozoobenthos organisms as potential food sources for the Velvet Scoter. Selection of the most relevant trophic enrichment factors and Monte Carlo simulations in order to choose the best fitted model were undertaken. The stable isotope mixing model revealed the main contributions of a group of bivalves, Mya arenaria and Cerastoderma glaucum, to be 46–54%, and while the crustacean, Saduria entomon, comprised 26–35% of the diet.

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