KOPRI Repository

Mare incognita: Adelie penguins foraging in newly exposed habitat after calving of the Nansen Ice Shelf

Cited 0 time in wos
Cited 0 time in scopus
Title
Mare incognita: Adelie penguins foraging in newly exposed habitat after calving of the Nansen Ice Shelf
Other Titles
난센 빙붕 붕괴에 따른 아델리펭귄의 취식지 변화
Authors
Park, Seongseop
Thiebot, Jean-Baptiste
Kim, Jeong-Hoon
Kim, Kil Won
Chung, Hosung
Lee, Won Young
Subject
Environmental Sciences & EcologyPublicEnvironmental & Occupational Health
Keywords
Foraging areaGPSTime-depth recorderNansen ice shelfAntarctic specially protected area
Issue Date
2021-10
Citation
박성섭, et al. 2021. "Mare incognita: Adelie penguins foraging in newly exposed habitat after calving of the Nansen Ice Shelf". ENVIRONMENTAL RESEARCH, 201(1): 1-7.
Abstract
Rapid environmental changes can dramatically and durably affect the animal's foraging behavior. In the Ross Sea (Antarctica), calving of the Nansen Ice Shelf in 2016 opened a newly accessible marine area of 214 km2. In this study, we examined the foraging behavior of Adelie penguins from the nearby Inexpressible Island in December 2018, by tracking 27 penguins during their at-sea trips using GPS, depth and video loggers. The penguins mainly foraged within 88.2 ± 42.9 km of their colony, for 23.4 ± 6.8 h. Five penguins headed south to the newly exposed habitat along the Nansen Ice Shelf, whereas 22 penguins exploited previously available foraging areas. There was no significant difference in any of the foraging trip or diving parameters between the two penguin groups; however, in the calved region the penguins were diving into shallow areas more often than did the other penguins. These results show that Adelie penguins on Inexpressible Island had explored the newly exposed area after calving. We conclude that the penguins respond to newly available habitat following stochastic environmental events, either through information sharing at the colony, and/or by balancing prey availability per capita across the foraging sites. Considering that this penguin breeding area is under investigation for the establishment of an Antarctic Specially Protected Area (ASPA), the results of this study may provide insights for evaluating the ecological importance of this area and formulating an ASPA management plan for conservation.
URI
https://repository.kopri.re.kr/handle/201206/13006
DOI
http://dx.doi.org/10.1016/j.envres.2021.111561
Type
Article
Station
Jang Bogo Station
Indexed
SCIE
Appears in Collections  
2020-2021, 남극특별보호구역 모니터링 및 남극기지 환경관리에 관한 연구(7) (20-21) / Chung, Hosung (PG20040)
2020-2020, Ecosystem Structure and Function of Marine Protected Area (MPA) in Antarctica (20-20) / Kim, Jeong-Hoon (PM20060)
Files in This Item

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse