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The summer migration of Pacific zooplankton follows the temperature and salinity of Bering Sea/Anadyr Water in the Chukchi Sea

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Title
The summer migration of Pacific zooplankton follows the temperature and salinity of Bering Sea/Anadyr Water in the Chukchi Sea
Other Titles
북극 축치해의 태평양기원종 북상과 유입되는 베링수의 수온 염분과의 관계
Authors
Kim, Jee-Hoon
Cho, Kyoung-Ho
Yang, Eun Jin
La, Hyoung Sul
Kang, Sung-Ho
Lee, KangHyun
Choy, Eun-Jung
Kim, Won
Keywords
Arctic; Chukchi Sea; watermass; zooplankton; Arctic Ocean
Issue Date
2019
Citation
Kim, Jee-Hoon, et al. 2019. The summer migration of Pacific zooplankton follows the temperature and salinity of Bering Sea/Anadyr Water in the Chukchi Sea. The 25th International Symposium on Polar Sciences. KOPRI. 2019.05.14~2019.05.15.
Abstract
The Bering Strait is the only gateway to the Arctic Chukchi Sea from the Pacific Ocean and is a major route to the influx of Pacific water. The recent oceanographic changes, such as rising water temperatures and shifting sea ice cover, have resulted in sub-polarization of zooplankton communities from the Arctic boundary. We collected zooplankton at 13 stations in the Chukchi Sea and Bering Strait in 2014-16. In addition, the mooring systems installed at the Bering Strait were analyzed to obtain water temperature and salinity data for the corresponding period. As a result, the abundance of Pacific zooplankton species (Eucalanus bungii, Metrida pacifica, and Neocalanus spp.) was high in 2015, and water temperature and salinity were also high. In particular, water mass analysis showed that the temperature of Bering Summer Water (BSW) was high. On the other hand, Pacific species were rarely found in 2014 and 2016, and water temperature and salinity were relatively low. In conclusion, the Pacific species introduced into the Chukchi Sea were known to flow along the BSW, but the Pacific species showed high abundance only in the relatively high temperature (> 3 °C) of the BSW.
URI
https://repository.kopri.re.kr/handle/201206/12242
Conference Name
The 25th International Symposium on Polar Sciences
Conference Place
KOPRI
Conference Date
2019.05.14~2019.05.15
Appears in Collections  
2019-2020, Korea-Arctic Ocean Observing System(K-AOOS) (19-20) / Kang, Sung-Ho (PM19040)
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