Contribution of Small Phytoplankton to Primary Production in the Northern Bering and Chukchi Seas
The northern Bering and Chukchi seas are biologically productive regions but, recently, unprecedented environmental changes have been reported. For investigating the dominant phytoplankton communities and relative contribution of small phytoplankton (<2 µm) to the total primary production in the...
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MDPI AG
2022
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ftdoajarticles:oai:doaj.org/article:3ffec39c4f4b40c5881bcdfb0ba2708f 2023-05-15T15:11:21+02:00 Contribution of Small Phytoplankton to Primary Production in the Northern Bering and Chukchi Seas Jung-Woo Park Yejin Kim Kwan-Woo Kim Amane Fujiwara Hisatomo Waga Jae Joong Kang Sang-Heon Lee Eun-Jin Yang Toru Hirawake 2022-01-01T00:00:00Z https://doi.org/10.3390/w14020235 https://doaj.org/article/3ffec39c4f4b40c5881bcdfb0ba2708f EN eng MDPI AG https://www.mdpi.com/2073-4441/14/2/235 https://doaj.org/toc/2073-4441 doi:10.3390/w14020235 2073-4441 https://doaj.org/article/3ffec39c4f4b40c5881bcdfb0ba2708f Water, Vol 14, Iss 235, p 235 (2022) Bering Sea Chukchi Sea HPLC small phytoplankton primary productivity Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 article 2022 ftdoajarticles https://doi.org/10.3390/w14020235 2022-12-31T07:31:25Z The northern Bering and Chukchi seas are biologically productive regions but, recently, unprecedented environmental changes have been reported. For investigating the dominant phytoplankton communities and relative contribution of small phytoplankton (<2 µm) to the total primary production in the regions, field measurements mainly for high-performance liquid chromatography (HPLC) and size-specific primary productivity were conducted in the northern Bering and Chukchi seas during summer 2016 (ARA07B) and 2017 (OS040). Diatoms and phaeocystis were dominant phytoplankton communities in 2016 whereas diatoms and Prasinophytes (Type 2) were dominant in 2017 and diatoms were found as major contributors for the small phytoplankton groups. For size-specific primary production, small phytoplankton contributed 38.0% (SD = ±19.9%) in 2016 whereas 25.0% (SD = ±12.8%) in 2017 to the total primary productivity. The small phytoplankton contribution observed in 2016 is comparable to those reported previously in the Chukchi Sea whereas the contribution in 2017 mainly in the northern Bering Sea is considerably lower than those in other arctic regions. Different biochemical compositions were distinct between small and large phytoplankton in this study, which is consistent with previous results. Significantly higher carbon (C) and nitrogen (N) contents per unit of chlorophyll- a , whereas lower C:N ratios were characteristics in small phytoplankton in comparison to large phytoplankton. Given these results, we could conclude that small phytoplankton synthesize nitrogen-rich particulate organic carbon which could be easily regenerated. Article in Journal/Newspaper Arctic Bering Sea Chukchi Chukchi Sea Phytoplankton Directory of Open Access Journals: DOAJ Articles Arctic Bering Sea Chukchi Sea Water 14 2 235 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Bering Sea Chukchi Sea HPLC small phytoplankton primary productivity Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 |
spellingShingle |
Bering Sea Chukchi Sea HPLC small phytoplankton primary productivity Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Jung-Woo Park Yejin Kim Kwan-Woo Kim Amane Fujiwara Hisatomo Waga Jae Joong Kang Sang-Heon Lee Eun-Jin Yang Toru Hirawake Contribution of Small Phytoplankton to Primary Production in the Northern Bering and Chukchi Seas |
topic_facet |
Bering Sea Chukchi Sea HPLC small phytoplankton primary productivity Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 |
description |
The northern Bering and Chukchi seas are biologically productive regions but, recently, unprecedented environmental changes have been reported. For investigating the dominant phytoplankton communities and relative contribution of small phytoplankton (<2 µm) to the total primary production in the regions, field measurements mainly for high-performance liquid chromatography (HPLC) and size-specific primary productivity were conducted in the northern Bering and Chukchi seas during summer 2016 (ARA07B) and 2017 (OS040). Diatoms and phaeocystis were dominant phytoplankton communities in 2016 whereas diatoms and Prasinophytes (Type 2) were dominant in 2017 and diatoms were found as major contributors for the small phytoplankton groups. For size-specific primary production, small phytoplankton contributed 38.0% (SD = ±19.9%) in 2016 whereas 25.0% (SD = ±12.8%) in 2017 to the total primary productivity. The small phytoplankton contribution observed in 2016 is comparable to those reported previously in the Chukchi Sea whereas the contribution in 2017 mainly in the northern Bering Sea is considerably lower than those in other arctic regions. Different biochemical compositions were distinct between small and large phytoplankton in this study, which is consistent with previous results. Significantly higher carbon (C) and nitrogen (N) contents per unit of chlorophyll- a , whereas lower C:N ratios were characteristics in small phytoplankton in comparison to large phytoplankton. Given these results, we could conclude that small phytoplankton synthesize nitrogen-rich particulate organic carbon which could be easily regenerated. |
format |
Article in Journal/Newspaper |
author |
Jung-Woo Park Yejin Kim Kwan-Woo Kim Amane Fujiwara Hisatomo Waga Jae Joong Kang Sang-Heon Lee Eun-Jin Yang Toru Hirawake |
author_facet |
Jung-Woo Park Yejin Kim Kwan-Woo Kim Amane Fujiwara Hisatomo Waga Jae Joong Kang Sang-Heon Lee Eun-Jin Yang Toru Hirawake |
author_sort |
Jung-Woo Park |
title |
Contribution of Small Phytoplankton to Primary Production in the Northern Bering and Chukchi Seas |
title_short |
Contribution of Small Phytoplankton to Primary Production in the Northern Bering and Chukchi Seas |
title_full |
Contribution of Small Phytoplankton to Primary Production in the Northern Bering and Chukchi Seas |
title_fullStr |
Contribution of Small Phytoplankton to Primary Production in the Northern Bering and Chukchi Seas |
title_full_unstemmed |
Contribution of Small Phytoplankton to Primary Production in the Northern Bering and Chukchi Seas |
title_sort |
contribution of small phytoplankton to primary production in the northern bering and chukchi seas |
publisher |
MDPI AG |
publishDate |
2022 |
url |
https://doi.org/10.3390/w14020235 https://doaj.org/article/3ffec39c4f4b40c5881bcdfb0ba2708f |
geographic |
Arctic Bering Sea Chukchi Sea |
geographic_facet |
Arctic Bering Sea Chukchi Sea |
genre |
Arctic Bering Sea Chukchi Chukchi Sea Phytoplankton |
genre_facet |
Arctic Bering Sea Chukchi Chukchi Sea Phytoplankton |
op_source |
Water, Vol 14, Iss 235, p 235 (2022) |
op_relation |
https://www.mdpi.com/2073-4441/14/2/235 https://doaj.org/toc/2073-4441 doi:10.3390/w14020235 2073-4441 https://doaj.org/article/3ffec39c4f4b40c5881bcdfb0ba2708f |
op_doi |
https://doi.org/10.3390/w14020235 |
container_title |
Water |
container_volume |
14 |
container_issue |
2 |
container_start_page |
235 |
_version_ |
1766342218959814656 |