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Seasonal and inter-annual oceanographic changes induce diet switching in a piscivorous seabird.

Seasonal and inter-annual oceanographic changes induce diet switching in a piscivorous seabird.

Authors :
Ito, Motohiro
Minami, Hiroshi
Tanaka, Yuzan
Watanuki, Yutaka
Source :
Marine Ecology Progress Series; 10/30/2009, Vol. 393, p273-284, 12p, 2 Charts, 4 Graphs, 1 Map
Publication Year :
2009

Abstract

The article presents a study which examined the diets of rhinoceros auklets Cerorhinca monocerata breeding in Hokkaido, Japan as well as the relationship between temporal changes in the marine ecosystems of the region. The study found that there were no differences in the diets of rhinoceros auklets between age categories. Moreover, it revealed no differences in the occurrence of Japanese sandlance Ammodytes personatus, Japanese Sea greenling Pleurogrammus azonus and Japanese anchovy Engraulis japonicus between adult and chick diets during the early chick-rearing period.

Details

Language :
English
ISSN :
01718630
Volume :
393
Database :
Supplemental Index
Journal :
Marine Ecology Progress Series
Publication Type :
Academic Journal
Accession number :
46815416
Full Text :
https://doi.org/10.3354/meps08192