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TAKAYAMA Yoshiki

Profile Research field Education Activities Research achievement On-Campus Activities Off-Campus Activities

 

Published Papers
No.Title URL, Journal, Vol( Number), From Page- To Page, Publication date, DOI 
1
A novel stepwise salinity acclimation method to improve the survival of freshwater microalgae Haematococcus lacustris in seawater salinity , Bioprocess and Biosystems Engineering, ,   , Sep. 26, 2024, https://doi.org/10.1007/s00449-024-03092-3 
2
Can the Culture Density of the Marine Copepod Pseudodiaptomus nihonkaiensis be Improved by Installing an Artificial Substrate? , Aquaculture Studies, 24( 5),  , Sep. 1, 2024, https://doi.org/10.4194/AQUAST1879 
3
Improving feeding of Tigriopus japonicus under various stocking densities on Tetraselmis suecica as a potential live feed for fish larvae , , ,   , Apr. 17, 2024, https://doi.org/10.21203/rs.3.rs-4256878/v1 
4
Observation of a coccolithophore Gephyrocapsa oceanica bloom in the temperate coastal waters of Sagami Bay, Japan , Plankton and Benthos Research, 19( 1), 37- 50, Feb. 28, 2024, https://doi.org/10.3800/pbr.19.37 
5
Energy-saving in fucoxanthin production by Chaetoceros gracilis in a flat-bag photobioreactor with intermittent mixing , Biocatalysis and Agricultural Biotechnology, 50,  102693- 102693, Jul. 2023, https://doi.org/10.1016/j.bcab.2023.102693 
6
Enhancing algal growth and nutrient recovery from anaerobic digestion piggery effluent by an integrated pretreatment strategy of ammonia stripping and flocculation , Frontiers in Bioengineering and Biotechnology, 11,   , Jun. 29, 2023, https://doi.org/10.3389/fbioe.2023.1219103 
7
Mass cultivation of marine planktonic copepods , Bulletin of Plankton Eco-engineering Research, 3,  1- 19, Jun. 2023,  
8
Practical Science and Environmental Education Workshop in Manaus, Brazil , Bulletin of Plankton Eco-Engineering Research, 3,  51- 61, Jun. 2023,  
9
Effects of organic carbon sources on algal biofilm formation and insight into mechanism , Algal Research, 71,  103075- 103075, Apr. 2023, https://doi.org/10.1016/j.algal.2023.103075 
10
Insight into the formation mechanism of algal biofilm in soy sauce wastewater , Journal of Cleaner Production, 394,  136179- 136179, Mar. 25, 2023, https://doi.org/10.1016/j.jclepro.2023.136179 
11
Evaluation of Microalgal Diet to Culture Adult Oithona oculata Farran (Copepoda, Cyclopoida) , AQUACULTURE RESEARCH, 2023,  1- 7, Feb. 25, 2023, https://doi.org/10.1155/2023/2089803 
12
Enhancing biomass yield, nutrient removal, and decolorization from soy sauce wastewater using an algae-fungus consortium , Algal Research, 68,  102878- 102878, Nov. 2022, https://doi.org/10.1016/j.algal.2022.102878 
13
EVALUATION OF DIETARY MICROALGAE IN THE CULTURE OF Acartia steueri (Copepoda, Calanoida) , Journal of Sustainability Science and Management, 18,  186- 198, Sep. 2022,  
14
Examination of dietary microalgae for larval stage in the culture of Acartia steueri , Bulletin of Plankton Eco-Engineering Research, 2( 2), 32- 43, Jun. 2022,  
15
Improvement of the extraction of DNA from single copepod samples and the effect of formalin fixation time on the PCR amplification of a mitochondrial gene , Bulletin of Plankton Eco-Engineering Research, 2( 2), 56- 65, Jun. 2022,  
16
Suppression of cannibalism in the intertidal copepod Tigriopus japonicus (Mori, 1932) and improvements in population density using artificial substrates , Aquaculture, Fish and Fisheries, ,   , Feb. 2022, https://doi.org/10.1002/aff2.31 
17
Bioreactor cultivation of the planktonic copepod Acartia steueri Smirnov for egg collection , Aquaculture Research, 52( 11), 5912- 5917, Nov. 2021, https://doi.org/10.1111/are.15421 
18
Experimental cultivation of the egg-carrying copepod Oithona oculata in a pilot bioreactor , Bulletin of Plankton Eco-Engineering Research, ( 1), 22- 31, Jun. 2021,  
19
Are egg production and respiration of the marine pelagic copepod Acartia steueri influenced by crowding? , Aquaculture Research, 51( 9), 3741- 3750, Sep. 1, 2020, https://doi.org/10.1111/are.14723 
20
Switch from production of subitaneous to delayed-hatching and diapause eggs in Acartia japonica Mori, 1940 (Copepoda: Calanoida) from Sagami Bay, Japan , Regional Studies in Marine Science, 29,   , May. 2019, https://doi.org/10.1016/j.rsma.2019.100673 
21
First record of Acartia japonica Mori, 1940 (Copepoda, Calanoida) from Sagami Bay, the Pacific coast of Japan , Coastal Marine Science, 41( 1), 11- 14, Jul. 2018, https://doi.org/10.15083/00076339 
22
Occurrence and egg production of Acartia japonica Mori, 1940 (Copepoda, Calanoida) in Sagami Bay, Japan , , ,   , Mar. 2017,  

 

Conference Activities & Talks
No.Title, Conference, Publication date, Promoter, Venue 
1
Macroalgae-to-coral community shift in temperate coastal waters of Sagami Bay, Japan, National Institute of Water and Atmospheric Research (NIWA), Feb. 18, 2025, ,  
2
Development of a floating closed photobioreactor for outdoor production of high-value compounds by microalgae, 6th International Postgraduate Conference on Biotechnology, Aug. 23, 2023, ,  
3
Feeding response of Tigriopus japonicus using high algal concentrations of Tetraselmis suecica under different stocking densities, 6th International Postgraduate Conference on Biotechnology, Aug. 23, 2023, ,  
4
High-density aggregation of meso-zooplankton at sea surface micro layer in temperate coastal water of Sagami Bay, Japan., ECSA59 Using the best scientific knowledge for the sustainable management of estuaries and coastal seas, Sep. 7, 2022, ,  
5
A stepwise acclimation method of a freshwater microalgae Haematococcus lacustris to high salinity to supply the natural astaxanthin to marine aquaculture organisms., , Sep. 3, 2022, ,  
6
Improvement of the Extraction of DNA from Single Copepod Samples and the Effect of Formalin Fixation Time on the PCR Amplification of a Mitochondrial Gene, COSMOS International Conference 2022 (CIC 2022), Aug. 24, 2022, ,  
7
Growth Rates and Nutritional Compositions of Selected Freshwater Chlorophyta and Chrysophyta for Potential Use in Aquaculture, COSMOS International Conference 2022 (CIC 2022), Aug. 23, 2022, ,  
8
Dietary Effects of Microalgae-Bacterial Bioencapsulation on the Reproductive Performance of a Cladoceran, Ceriodaphnia cornuta G.O. Sars, 1885, COSMOS International Conference 2022 (CIC 2022), Aug. 23, 2022, ,  
9
Preliminary Study: Strategies to Improve Biomass Productivity of Isochrysis galbana in an Outdoor Scale-Up Multiple Bags Reactor System, COSMOS International Conference 2022 (CIC 2022), Aug. 23, 2022, ,  
10
Energy-Saving Fucoxanthin Production of Chaetoceros gracilis in A Flat Bag Reactor with Intermittent Mixing, COSMOS International Conference 2022 (CIC 2022), Aug. 23, 2022, ,  
11
Effect of A Novel Salinity Acclimation Method on Survival Rate and Astaxanthin Accumulation of Freshwater Microalgae Haematococcus Lacustris Under Seawater Salinity, COSMOS International Conference 2022 (CIC 2022), Aug. 23, 2022, ,  
12
Status and development of floating photobioreactors for outdoor microalgae cultivation, COSMOS International Conference 2022 (CIC 2022), Aug. 23, 2022, ,  
13
Evaluation of dietary microalgae for culture of the marine planktonic copepod Acartia steueri., 5th International Postgraduate Conference on Biotechnology (IPCB) 2021, Dec. 8, 2021, ,  
14
Incursion and reproductive strategy of a planktonic copepod Acartia japonica in Sagami Bay, Japan., ECSA 58 - EMECS 13 Estuaries and coastal seas in the Anthropocene, Sep. 7, 2021, ,  
15
Variability of Phytoplankton Functional Types (PFTs) in the Temperate Coastal Waters of Sagami Bay, Japan, , Mar. 2021, ,  
16
Intensive cultivation of the planktonic copepod Acartia steueri using a bioreactor to collect its eggs: Laboratory-scale trial, International Conference on Marine Science & Aquaculture, Dec. 2020, ,  
17
SUPPRESSION OF CANNIBALISM AND IMPROVEMENT OF POPULATION DENSITY USING ARTIFICIAL SUBSTRATES IN THE INTERTIDAL COPEPOD Tigriopus japonicus Mori, 1932, International Conference on Marine Science & Aquaculture, Dec. 2020, ,  
18
Physiological ecology of copepods and its utilization for aquaculture industry., Borneo Ocean Talk, Sep. 2019, ,  
19
Effect of lipid component on egg production of a calanoid copepod Acartia steueri, 4th International Postgraduate Conference on Biotechnology 2018 (IPCB 2018), Aug. 2018, ,  
20
Reproductive strategy of Acartia japonica using three types of eggs in Sagami Bay, Japan, 4th International Postgraduate Conference on Biotechnology 2018 (IPCB 2018), Aug. 2018, ,  
21
Resting egg production of the non-native copepod Acartia japonica in Sagami Bay, Japan, 3rd International Postgraduate Conference on Biotechnology 2016 (IPCB 2016), Aug. 2016, ,  
22
Resting egg production of the invasive copepod Acartia japonica in Sagami Bay, Japan, Mares Conference on Marine Ecosystems Health and Conservation., Feb. 2016, ,  
23
Occurrence and egg production of the copepod Acartia japonica in Sagami Bay, Japan, Estuarine Coastal Sciences Association (ECSA 55), Sep. 2015, ,  

 

Research Grants & Projects
No.Offer organization, System name, Title, Fund classification, Date 
1
, , Workshop for Practical Science and Environmental Education in Brazilian Amazon, ,  Apr. 2022 - Mar. 2024 
2
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Early-Career Scientists, Development of marine planktonic copepod production technology using microbial food chain starting from food waste, ,  Apr. 2021 - Mar. 2023 

 

Industrial Property Rights
No.Type, Title, ApplicationId, ApplicationDate, PatentId, Registration date, PatentDate 
1
patent_right, Microalgae Bioreactor, Cultivation system, and Cultivation Method, 特願2022-027387, Feb. 25, 2022, ,  ,   

 

Participation in Research Projects
No.Name of Project, Date of Participating 
1
,  Apr. 2021 - Mar. 2023 
2
,  Sep. 2020 - Sep. 2025 
3
,  Sep. 2020 - Mar. 2021 
4
,  Sep. 2020 - Mar. 2023