Mass occurrence of the salp salpa fusiformis during spring 2017 in the southern waters of korea and the northern east China sea SCOPUS KCI

Title
Mass occurrence of the salp salpa fusiformis during spring 2017 in the southern waters of korea and the northern east China sea
Author(s)
Kang, H.-K.; Kim, G.; Kang, J.-H.; Kim, M.; Noh, J.H.
KIOST Author(s)
Kang, Hyung Ku(강형구)Kim, Garam(김가람)Kang, Jung Hoon(강정훈)Kim, Minju(김민주)Noh, Jae Hoon(노재훈)
Publication Year
2019
Abstract
We investigated the mass occurrence of the salp Salpa fusiformis during spring in the southern waters of Korea and the northern East China Sea. Abundance of S. fusiformis and dominant taxonomic groups including copepods, ostracods, euphausiids, and appendicularian was examined along with environmental factors (e.g., temperature, salinity, and chlorophyll-a concentration). The abundance of S. fusiformis at 27 stations ranged from 0 to 183 inds m-3. Both aggregate and solitary forms of S. fusiformis occurred with a mean abundance of 62 inds m-3 and 4 inds m-3, and mean body length of 6.5 mm and 15.4 mm, respectively. Redundancy analysis showed that the abundance of S. fusiformis was negatively correlated with chlorophyll-a concentration, indicating the intensive grazing impact of S. fusiformis on phytoplankton. While the abundance of S. fusiformis increased, the species diversity of zooplankton community decreased. The abundances of total copepods and the dominant copepod species (e.g., adults and/or copepodites of Paracalansus parvus s.l., Calanus sinicus, Oithona similis, and Corycaeus affinis) also decreased with the increase of S. fusiformis abundance. However, the abundance of ostracods, euphausiids, and appendicularians was not affected by the mass occurrence of the salps. These results suggest that the mass occurrence of S. fusiformis in spring could negatively affect ecosystem conditions by changing trophodynamics in the zooplankton community. © 2019, Korea Ocean Research and Development Institute. All rights reserved.
ISSN
1598-141X
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/725
DOI
10.4217/OPR.2019.41.3.135
Bibliographic Citation
Ocean and Polar Research, v.41, no.3, pp.135 - 145, 2019
Publisher
Korea Ocean Research and Development Institute
Subject
abundance; chlorophyll a; invertebrate; species diversity; species occurrence; spring (season); East China Sea; Pacific Ocean; South Korea; Appendicularia (class); Calanus sinicus; Copepoda; Corycaeus affinis; Euphausiidae; Oithona similis; Ostracoda; Salpa fusiformis; Salpida
Keywords
Chlorophyll-a; Copepods; Northern East China Sea; Salp; Salpa fusiformis; Southern waters of Korea; Species diversity; Spring
Type
Article
Language
Korean
Document Type
Article
Publisher
Korea Ocean Research and Development Institute
Related Researcher
Research Interests

Phytoplankton ecology,Primary productivity modelling,Coral reef ecosystem study,식물플랑크톤 생태학,일차생산력 모델,산호초 생태계 연구

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