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Article
Impact of Temperature, Low pH and NH4+ Enrichment on Ecophysiological Responses of a Green Tide Species Ulva australis Areschoug
Ulva are ubiquitous and opportunistic green algae species that easily adapt to various environmental conditions. These algae are responsible for the green tides that cause many environmental and ecological proble...
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Article
The Interactive Effects of Elevated CO2 and Ammonium Enrichment on the Physiological Performances of Saccharina japonica (Laminariales, Phaeophyta)
Environmental challenges such as ocean acidification and eutrophication influence the physiology of kelp species. We investigated their interactive effects on Saccharina japonica (Laminariales, Phaeophyta) under ...
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Article
Erratum to: Carbon dioxide mitigation potential of seaweed aquaculture beds (SABs)
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Article
The effects of eutrophication and acidification on the ecophysiology of Ulva pertusa Kjellman
In coastal environments, acidification and eutrophication affect the physiology of marine macroalgae. We investigated the responses of Ulva pertusa Kjellman (Ulvales, Chlorophyta) under such conditions. Samples w...
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Article
Carbon dioxide mitigation potential of seaweed aquaculture beds (SABs)
Seaweed aquaculture beds (SABs) that support the production of seaweed and their diverse products, cover extensive coastal areas, especially in the Asian-Pacific region, and provide many ecosystem services suc...
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Article
Open AccessThe short-term effects of elevated CO2 and ammonium concentrations on physiological responses in Gracilariopsis lemaneiformis (Rhodophyta)
Ocean acidification (OA) and coastal eutrophication affect coastal marine organisms. We studied the physiological responses of Gracilariopsis lemaneiformis (Gracilariales, Rhodophyta) to increased concentrations ...
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Article
Dynamic genetic features of eukaryotic plankton diversity in the Nakdong River estuary of Korea
Estuaries are environments where freshwater and seawater mix and they display various salinity profiles. The construction of river barrages and dams has rapidly changed these environments and has had a wide ra...
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Impacts of Climate change on Eucheuma-Kappaphycus Farming
Climate change impacts all forms of life – including seaweeds! For farmed Eucheuma/Kappaphycus the direct and indirect impacts have caused not only physical damage to the crops but has also affected the eco-physi...
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Article
Insights into community-based bioassessment of environmental quality status using microphytobenthos in estuarine intertidal ecosystems
The feasibility of community-based bioassessment of environmental quality status was studied using microphytobenthos (MPB) in estuarine intertidal ecosystems. The sediment samples of MPB were collected monthly...
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Article
Effects of the algicide, thiazolidinedione derivative TD49, on microbial communities in a mesocosm experiment
We investigated the effects of the algicide thiazolidinedione derivative TD49 on microbial community in mesocosm experiments. The TD49 concentration exponentially decreased over time, with half-life of 3.5 h, ...
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Article
Potential blue carbon from coastal ecosystems in the Republic of Korea
The sequestration of carbon dioxide (CO2) from the atmosphere and ocean into coastal ecosystems such as seaweed beds, seagrasses, saltmarshes, and tidal flats is an important and emerging area of interest due to ...
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Article
Nitrogen biofiltration capacities and photosynthetic activity of Pyropia yezoensis Ueda (Bangiales, Rhodophyta): groundwork to validate its potential in integrated multi-trophic aquaculture (IMTA)
Porphyra spp. (currently Porphyra and Pyropia) are major sources of seafood globally. In this study, we investigated the effects of ammonium concentration, water temperature, and thallus stocking...
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Article
Development of a seaweed species-selection index for successful culture in a seaweed-based integrated aquaculture system
Integrated multi-trophic aquaculture (IMTA) has been proposed as a concept that combines the cultivation of fed aquaculture species (e.g., finfish/shrimp) with extractive aquaculture species (e.g., shellfish/seaw...
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Article
Metagenomic examination of diversity within eukaryotic plankton from the ulleung basin in the East Sea of Korea
We constructed planktonic 18S rDNA clone libraries for micro-organisms in the euphotic zone of the Ulleung Basin in the East Sea of Korea. They revealed the cryptic biodiversity of eukaryotic planktons and dem...
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Article
Migratory Responses of Benthic Diatoms to Light and Temperature Monitored by Chlorophyll Fluorescence
As an important adaptation for survival in the sediments of intertidal flats, benthic diatoms move up and down in response to a wide range of environmental stimuli. We investigated the vertical migration of tw...
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Article
Using marine macroalgae for carbon sequestration: a critical appraisal
There has been a good deal of interest in the potential of marine vegetation as a sink for anthropogenic C emissions (“Blue Carbon”). Marine primary producers contribute at least 50% of the world’s carbon fixa...
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Article
Effective molecular examination of eukaryotic plankton species diversity in environmental seawater using environmental PCR, PCR-RFLP, and sequencing
Phytoplankton are primary producers and can be important indicators of environmental change. To monitor the plankton species composition of environmental seawater samples, we developed a molecular method compo...
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Article
Photosynthetic activity of benthic diatoms in response to different temperatures
The photosynthetic activities of benthic diatoms in response to temperature changes were assessed by measuring chlorophyll fluorescence kinetics. Small benthic diatom species with large surface area to volume ...
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Article
Estimating areal production of intertidal microphytobenthos based on spatio-temporal community dynamics and laboratory measurements
In situ Microphytobenthic community dynamics were combined with laboratory measurement of predominant species by fluorescence methods to estimate the areal primary production. Field investigation of community dyn...
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Article
Effects of Epiphytic Load on the Photosynthetic Performance of a Seagrass, Zostera marina, Monitored In Vivo by Chlorophyll Fluorescence Imaging
We investigated the effects of epiphytes on photosynthetic activity in a seagrass, Zostera marina. Parameters in our chlorophyll (Chl) fluorescence imaging technique, including Fo, Fm, and Fv/Fm, were monitored f...