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Biology
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Climate Change and Marine Plankton
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Climate Change and Marine Plankton

A special issue of Biology (ISSN 2079-7737). This special issue belongs to the section "Marine Biology".

Deadline for manuscript submissions: closed (31 May 2024) | Viewed by 6267

Special Issue Editor

Dr. Chih-Ching Chung

E-Mail Website1 Website2
Guest Editor
Institute of Marine Environment and Ecology, National Taiwan Ocean University, Keelung 202301, Taiwan
Interests: microbial oceanography; marine ecology; marine phycology; marine biotechnology; global climate change

Special Issue Information

Dear Colleagues,

Plankton, including bacteria plankton, phytoplankton, and zooplankton, are the organisms at the beginning of the marine food chain. These tiny creatures are sensitive to environmental variability. Therefore, under the scenario of global climate change, it can be expected that these organisms will be the first to respond to such impacts. Understanding the physiological mechanism of plankton in response to extreme climate events and the subsequent process of population succession will help to evaluate the impact of climate change on the marine ecosystem in the future. In this Special Issue, we invite the submission of original scientific reports and review articles that investigate the impact of global climate change on the physiology and ecology of marine plankton in the field. In addition, the studies on the effect of climate-change-related factors on plankton physiology simulated in the laboratory are also welcome.

Dr. Chih-Ching Chung
Guest Editor

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Biology is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • bacteria plankton
  • phytoplankton
  • zooplankton
  • climate change
  • marine ecology

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Published Papers (4 papers)

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Research

24 pages, 9460 KiB  
Article
Phytoplankton Assemblage over a 14-Year Period in the Adriatic Sea: Patterns and Trends
by Sanda Skejić, Blanka Milić Roje, Frano Matić, Jasna Arapov, Janja Francé, Mia Bužančić, Ana Bakrač, Maja Straka and Živana Ninčević Gladan
Biology 2024, 13(7), 493; https://doi.org/10.3390/biology13070493 - 2 Jul 2024
Viewed by 884
Abstract
Considering the role of phytoplankton in the functioning and health of marine systems, it is important to characterize its responses to a changing environment. The central Adriatic Sea, as a generally oligotrophic area, is a suitable environment to distinguish between regular fluctuations in [...] Read more.
Considering the role of phytoplankton in the functioning and health of marine systems, it is important to characterize its responses to a changing environment. The central Adriatic Sea, as a generally oligotrophic area, is a suitable environment to distinguish between regular fluctuations in phytoplankton and those caused by anthropogenic or climatic influences. This study provides a long-term perspective of phytoplankton assemblage in the central eastern Adriatic Sea, with 14 years of continuous time series data collected at two coastal and two offshore stations. The predominant phytoplankton groups were diatoms and phytoflagellates, but their proportion varied depending on the vicinity of the coast, as evidenced also by the distribution of chlorophyll a. In the coastal environment, the phytoplankton biomass was substantially higher, with a higher proportion of microphytoplankton, while small phytoplankton accounted for the majority of biomass in the offshore area. In addition, a decreasing trend in diatom abundance was observed in the coastal waters, while such trend was not so evident in the offshore area. Using a neural gas algorithm, five clusters were defined based on the contribution of the major groups. The observed increase in diversity, especially in dinoflagellates, which outnumber diatom taxa, could be a possible adaptation of dinoflagellates to the increased natural solar radiation in summer and the increased sea surface temperature. Full article
(This article belongs to the Special Issue Climate Change and Marine Plankton)
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20 pages, 7627 KiB  
Article
Seasonal Patterns of Picocyanobacterial Community Structure in the Kuroshio Current
by Ya-Fan Chan, Chih-Ching Chung, Gwo-Ching Gong, I-Jung Lin and Ching-Wei Hsu
Biology 2023, 12(11), 1424; https://doi.org/10.3390/biology12111424 - 13 Nov 2023
Viewed by 1245
Abstract
The nutrient-scarce, warm, and high-salinity Kuroshio current has a profound impact on both the marine ecology of the northwestern Pacific Ocean and the global climate. This study aims to reveal the seasonal dynamics of picoplankton in the subtropical Kuroshio current. Our results showed [...] Read more.
The nutrient-scarce, warm, and high-salinity Kuroshio current has a profound impact on both the marine ecology of the northwestern Pacific Ocean and the global climate. This study aims to reveal the seasonal dynamics of picoplankton in the subtropical Kuroshio current. Our results showed that one of the picocyanobacteria, Synechococcus, mainly distributed in the surface water layer regardless of seasonal changes, and the cell abundance ranged from 104 to 105 cells mL−1. In contrast, the maximum concentration of the other picocyanobacteria, Prochlorococcus, was maintained at more than 105 cells mL−1 throughout the year. In the summer and the autumn, Prochlorococcus were mainly concentrated at the water layer near the bottom of the euphotic zone. They were evenly distributed in the euphotic zone in the spring and winter. The stirring effect caused by the monsoon determined their distribution in the water column. In addition, the results of 16S rRNA gene diversity analysis showed that the seasonal changes in the relative abundance of Synechococcus and Prochlorococcus in the surface water of each station accounted for 20 to 40% of the total reads. The clade II of Synechococcus and the High-light II of Prochlorococcus were the dominant strains in the waters all year round. Regarding other picoplankton, Proteobacteria and Actinobacteria occupied 45% and 10% of the total picoplankton in the four seasons. These data should be helpful for elucidating the impacts of global climate changes on marine ecology and biogeochemical cycles in the Western Boundary Currents in the future. Full article
(This article belongs to the Special Issue Climate Change and Marine Plankton)
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18 pages, 10094 KiB  
Article
Biogeographic Analysis Suggests Two Types of Planktonic Prokaryote Communities in the Barents Sea
by Zorigto Namsaraev, Aleksandra Kozlova, Fedor Tuzov, Anastasia Krylova, Anna Izotova, Ivan Makarov, Andrei Bezgreshnov, Anna Melnikova, Anna Trofimova, Denis Kuzmin, Maksim Patrushev and Stepan Toshchakov
Biology 2023, 12(10), 1310; https://doi.org/10.3390/biology12101310 - 5 Oct 2023
Cited by 1 | Viewed by 1596
Abstract
The Barents Sea is one of the most rapidly changing Arctic regions, with an unprecedented sea ice decline and increase in water temperature and salinity. We have studied the diversity of prokaryotic communities using 16S metabarcoding in the western and northeastern parts of [...] Read more.
The Barents Sea is one of the most rapidly changing Arctic regions, with an unprecedented sea ice decline and increase in water temperature and salinity. We have studied the diversity of prokaryotic communities using 16S metabarcoding in the western and northeastern parts of the Barents Sea along the Kola Section and the section from Novaya Zemlya to Franz Joseph Land. The hypothesis-independent clustering method revealed the existence of two distinct types of communities. The most common prokaryotic taxa were shared between two types of communities, but their relative abundance was different. It was found that the geographic location of the sampling sites explained more than 30% of the difference between communities, while no statistically significant correlation between environmental parameters and community composition was found. The representatives of the Psychrobacter, Sulfitobacter and Polaribacter genera were dominant in samples from both types of communities. The first type of community was also dominated by members of Halomonas, Pseudoalteromonas, Planococcaceae and an unclassified representative of the Alteromonadaceae family. The second type of community also had a significant proportion of Nitrincolaceae, SAR92, SAR11 Clade I, NS9, Cryomorphaceae and SUP05 representatives. The origin of these communities can be explained by the influence of environmental factors or by the different origins of water masses. This research highlights the importance of studying biogeographic patterns in the Barents Sea in comparison with those in the North Atlantic and Arctic Ocean prokaryote communities. Full article
(This article belongs to the Special Issue Climate Change and Marine Plankton)
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20 pages, 2815 KiB  
Article
Contrasting Marine Microbial Communities of the Fram Strait with the First Confirmed Record of Cyanobacteria Prochlorococcus marinus in the Arctic Region
by Monika Mioduchowska, Joanna Pawłowska, Karol Mazanowski and Agata Weydmann-Zwolicka
Biology 2023, 12(9), 1246; https://doi.org/10.3390/biology12091246 - 17 Sep 2023
Cited by 1 | Viewed by 1565
Abstract
The seawater microbiome is crucial in marine ecosystems because of its role in food chains and biogeochemical cycles; thus, we studied the composition of the pelagic marine microbiome collected in the upper 50 m on the opposite sides of Fram Strait: Spitsbergen and [...] Read more.
The seawater microbiome is crucial in marine ecosystems because of its role in food chains and biogeochemical cycles; thus, we studied the composition of the pelagic marine microbiome collected in the upper 50 m on the opposite sides of Fram Strait: Spitsbergen and Greenland shelves. We found out that it differed significantly, with salinity being the main environmental variable responsible for these differences. The Spitsbergen shelf was dominated by Atlantic Waters, with a rather homogenous water column in terms of salinity and temperature down to 300 m; hence, the marine microbial community was also homogenous at all sampled depths (0, 25, 50 m). On the contrary, stations on the Greenland shelf were exposed to different water masses of both Arctic and Atlantic origin, which resulted in a more diverse microbial community there. Unexpectedly, for the very first time, we identified cyanobacterium Prochlorococcus marinus in Arctic waters (Spitsbergen shelf, 75–77° N). Till now, the distribution of this cyanobacteria in oceans has been described only between 40° N and 40° S. Considering the accelerated rate of climate warming in the Arctic, our results indicated that the seawater microbiome can be viewed as an amplifier of global change and that the Atlantification is in progress. Full article
(This article belongs to the Special Issue Climate Change and Marine Plankton)
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