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First record of massive blooming of benthic diatoms and their association with megabenthic filter feeders on the shallow seafloor of an Antarctic Fjord: Does glacier melting fuel the bloom?

Cited 4 time in scopus
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Title
First record of massive blooming of benthic diatoms and their association with megabenthic filter feeders on the shallow seafloor of an Antarctic Fjord: Does glacier melting fuel the bloom?
Other Titles
남극피요르드해안 대형저서동물군집에 번성한 저서규조류에 대한 최초의 기록: 빙하의 붕괴가 대량번식을 일으키는가?
Authors
Ahn, In-Young
Kang, Sung-Ho
Jeon, Misa
Moon, Hye-Won
Keywords
Antarctic fjord; King George Island; Marian Cove; Paralia sulcata; benthic diatom; benthic megafauna; glacier melting
Issue Date
2016
Citation
Ahn, In-Young, et al. 2016. "First record of massive blooming of benthic diatoms and their association with megabenthic filter feeders on the shallow seafloor of an Antarctic Fjord: Does glacier melting fuel the bloom?". Ocean Science Journal, 51: 273-279.
Abstract
We report a conspicuous benthic diatom bloom on an Antarctic fjord shallow seafloor, which has not been reported elsewhere in Antarctica. A thick and massive growth of benthic diatoms was covering or being entangled with a variety of common benthic megafauna such as stalked ascidians, sponges, tube-dwelling polychaetes, gastropods, bryozoans, and others. This finding is an outcome of recent investigations on benthic communities in Marian Cove, King George Island, where glacier retreat has been proceeding quickly for the past several decades. Dominance of benthic diatoms during the austral summer has been frequently reported in shallow Antarctic nearshore waters, which in turn indicates their potential as a primary food item for secondary producers living in this harsh environment. However, previous blooming records of the benthic diatoms were primarily based on data from water column samples. We are the first to report observational evidence of shallow seafloor substrates, including the massive blooming of benthic diatoms and their associations with common benthic megafauna in an Antarctic fjord.
URI
http://repository.kopri.re.kr/handle/201206/7443
DOI
http://dx.doi.org/10.1007/s12601-016-0023-y
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