Recent Primary Production and Small Phytoplankton Contribution in the Yellow Sea during the Summer in 2016

Jang, Hyo Keun; Kang, Jae Jung; Lee, Jae Hyung; Kim, Myung Joon; Ahn, So Hyun; Jeong, Jin-Yong; Yun, Mi Sun; Han, Inwoo; Lee, Sang‐Heon

doi:10.1007/s12601-018-0017-z

Cited by 20 publications

(13 citation statements)

References 33 publications

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“…In fact, Jang et al. (2018) found that the relatively higher contributions of small phytoplankton to total primary production resulted in lower total primary production rates in the Yellow Sea. Moreover, the strong dominance of picoplankton could lead to high‐regenerated production in the region.…”

Section: Discussionmentioning

confidence: 99%

“…Lee et al (2013) and Lim et al (2019) observed lower specific carbon uptake rates (h −1 ) for small phytoplankton than for large phytoplankton in the Arctic and Antarctic Oceans. In fact, Jang et al (2018) found that the relatively higher contributions of small phytoplankton to total primary production resulted in lower total primary production rates in the Yellow Sea. Moreover, the strong dominance of picoplankton could lead to high-regenerated production in the region.…”

Section: Table 2 the Comparison Of Total Chl A Biomass And The Contrimentioning

confidence: 99%

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Weak Response of Biological Productivity and Community Structure of Phytoplankton to Mesoscale Eddies in the Oligotrophic Philippine Sea

et al. 2020

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Section: Discussionmentioning

confidence: 99%

Section: Table 2 the Comparison Of Total Chl A Biomass And The Contrimentioning

confidence: 99%

Weak Response of Biological Productivity and Community Structure of Phytoplankton to Mesoscale Eddies in the Oligotrophic Philippine Sea

et al. 2020

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“…The final values of the carbon uptake rates of phytoplankton were then calculated by subtracting the carbon uptake rates of dark bottles to eliminate the heterotrophic bacterial production [33][34][35]. The daily primary productions of phytoplankton were calculated from the hourly primary productions observed in this study and 10-h photoperiod per day reported previously in the YS and EJS [22,24].…”

Section: Measurements Of Phyoplankton Carbon and Nitrogen Uptake Ratementioning

confidence: 99%

“…These changes in DIN and PO 4 have induced a gradual increase in the N/P ratio and a shift from N-limitation to P-limitation in the YS [36]. The P-limited condition could convert dominant species of phytoplankton from diatoms to small-sized non-diatoms with higher growth rates in P-limited waters but lower photosynthetic efficiencies [18,24,37]. Lin et al [16] reported that a dramatic decrease in primary production in the YS during all seasons between 1983-1986 and 1996-1998 periods could be one of the ecological responses caused by the increase in the N/P ratio.…”

Section: Comparisons Of Primary Production Between This and Previous Studiesmentioning

confidence: 99%

“…These recent environmental changes could result in alterations in biological characteristics, including community structure and bloom pattern of phytoplankton and subsequently higher-trophiclevel organisms [12,[20][21][22]. Indeed, biological responses related to phytoplankton were observed in the YS [16,18,23,24] and the EJS [12,22,25,26]. For the YS, a remarkable decrease in chlorophyll-a (chl-a) concentration and phytoplankton diversity and abundance was observed between the periods 1983-1986 and 1996-1998, which affected the primary production [16].…”

Section: Introductionmentioning

confidence: 99%

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First Concurrent Measurement of Primary Production in the Yellow Sea, the South Sea of Korea, and the East/Japan Sea, 2018

Jang

Youn

Joo

et al. 2021

JMSE

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Dramatic environmental changes have been recently reported in the Yellow Sea (YS), the South Sea of Korea (SS), and the East/Japan Sea (EJS), but little information on the regional primary productions is currently available. Using the 13C-15N tracer method, we measured primary productions in the YS, the SS, and the EJS for the first time in 2018 to understand the current status of marine ecosystems in the three distinct seas. The mean daily primary productions during the observation period ranged from 25.8 to 607.5 mg C m−2 d−1 in the YS, 68.5 to 487.3 mg C m−2 d−1 in the SS, and 106.4 to 490.5 mg C m−2 d−1 in the EJS, respectively. In comparison with previous studies, significantly lower (t-test, p < 0.05) spring and summer productions and consequently lower annual primary productions were observed in this study. Based on PCA analysis, we found that small-sized (pico- and nano-) phytoplankton had strongly negative effects on the primary productions. Their ecological roles should be further investigated in the YS, the SS, and the EJS under warming ocean conditions within small phytoplankton-dominated ecosystems.

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A synthesis of ecosystem metabolism of China's major rivers and coastal zones (2000–2020)

2022

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Ecosystem metabolism is a vital measurement for understanding the dynamics of aquatic environments. China has a range of aquatic resources and in the past two decades, there has been an increasing interest in ecosystem metabolism research. However, no studies have evaluated overall variation and environmental patterns which affect metabolism in China's vast range of aquatic systems. For this paper, we searched for articles with metabolism data for China's major rivers and coastal zones from 2000 to 2020. We identified 127 studies documenting ecosystem metabolism functions including primary production (PP), community respiration (CR) and net ecosystem production (NEP). Using path analysis, we documented relationships across a range of environmental parameters. Light availability affected riverine and coastal PP (<0.1-10.7 gC m À2 day À1 ), while riverine PP was also linked to precipitation, photosynthesis-related biomass, and land-use variables.Riverine and coastal CR ranged from 0.01 to 24.3 gC m À2 day À1 and was affected strongly by nutrient concentrations. Average NEP ranged from 2.9 to 9.2 gC m À2 day À1 , suggesting the potential of some of the evaluated ecosystems to be CO 2 sinks. Within this review, the large spatiotemporal range allows for a wideranging understanding of the variation of metabolic processes which contribute to CO 2 dynamics and the role of aquatic ecosystems in regional climate change. Additionally, by evaluating aquatic ecosystem metabolism across such a diverse range of environmental conditions this work provides a scientific basis for future assessments of ecological risks under the complex conditions of climate change.

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Recent Primary Production and Small Phytoplankton Contribution in the Yellow Sea during the Summer in 2016

Cited by 20 publications

References 33 publications

Weak Response of Biological Productivity and Community Structure of Phytoplankton to Mesoscale Eddies in the Oligotrophic Philippine Sea

Weak Response of Biological Productivity and Community Structure of Phytoplankton to Mesoscale Eddies in the Oligotrophic Philippine Sea

First Concurrent Measurement of Primary Production in the Yellow Sea, the South Sea of Korea, and the East/Japan Sea, 2018

A synthesis of ecosystem metabolism of China's major rivers and coastal zones (2000–2020)

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