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Artykuły w czasopismach na temat „Marine Biomass (Seaweed)”

Autor: Grafiati

Data publikacji: 4 listopada 2024

Data aktualizacji: 31 lipca 2025

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1

Johnston, Katherine G., Abdelfatah Abomohra, Christopher E. French, and Abdelrahman S. Zaky. "Recent Advances in Seaweed Biorefineries and Assessment of Their Potential for Carbon Capture and Storage." Sustainability 15, no. 17 (2023): 13193. http://dx.doi.org/10.3390/su151713193.

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Seaweeds are among the most important biomass feedstocks for the production of third-generation biofuels. They are also efficient in carbon sequestration during growth and produce a variety of high-value chemicals. Given these characteristics together with the relatively high carbohydrate content, seaweeds have been discussed as an ideal means for CO2 capture and biofuel production. Though third-generation biofuels have emerged as some of the best alternatives to fossil fuels, there is currently no large-scale production or mainstream use of such liquid fuels due to the many technical challeng

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Faisal, Shah, Abdelrahman Zaky, Qingyuan Wang, Jin Huang, and Abdelfatah Abomohra. "Integrated Marine Biogas: A Promising Approach towards Sustainability." Fermentation 8, no. 10 (2022): 520. http://dx.doi.org/10.3390/fermentation8100520.

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Fossil fuel depletion, climate change, and increased global energy demands are the driving forces to find alternative sources of energy. Marine-based biorefinery has been recently discussed as a promising route to mitigate the environmental challenges, enhance the energy recovery, and provide a potential source for value-added products. Anaerobic digestion is a promising technology that can convert the organic compounds of marine ecosystems into biogas. To date, a comprehensive review incorporating integrated biogas potential and effective approaches to enhance seaweed digestibility for biogas

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Mulders, Y., L. Mattio, JC Phillips, PS Lavery, GA Kendrick, and T. Wernberg. "Patch dynamics driven by wave exposure in subtidal temperate seaweeds are exacerbated by warming oceans." Marine Ecology Progress Series 685 (March 10, 2022): 85–95. http://dx.doi.org/10.3354/meps13989.

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Over the past decades, ocean temperatures have been steadily increasing and are projected to continue to do so, stressing many temperate marine organisms. Changing temperatures do not affect ecosystems in isolation, but interact with many other factors in shaping ecological communities. We investigated the changes over 2 decades in subtidal temperate seaweed communities over a wave exposure gradient in Western Australia, a global warming hotspot. We found higher diversity in the seaweed community and a higher proportion of biomass of species with a warm affinity (expressed as the tropicalizati

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Ginocchio, Rosanna, Matías Araya, Jéssica Machado, et al. "Seaweed biochar (sourced from marine water remediation farms) for soil remediation: Towards an integrated approach of terrestrial-coastal marine water remediation." BioResources 18, no. 3 (2023): 4637–56. http://dx.doi.org/10.15376/biores.18.3.4637-4656.

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Biochar made from seaweed biomass of marine farms established for water pollutant remediation may be a promising amendment for soil remediation in the same coastal territory. The study aimed to assess the soil Cu-immobilizing, pH neutralizing, and nutrient improvement capabilities of a seaweed biochar when incorporated into degraded soil of the same coastal territory (Puchuncaví District, central Chile). Experimental design considered five treatments; degraded soil of Puchuncaví valley (C-), C- amended with either local seaweed biochar (B), vermicompost (V), or its mixture (BV), and a backgrou

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Khan, Nida, K. Sudhakar, and R. Mamat. "Thermogravimetric Analysis of Marine Macroalgae Waste Biomass as Bio-Renewable Fuel." Journal of Chemistry 2022 (September 29, 2022): 1–9. http://dx.doi.org/10.1155/2022/6417326.

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Macroalgae are considered as the 3rd generation of biofuels and a future feedstock for biorefinery. This research aims to provide simple and dependable analytical techniques for measuring the thermal characteristics of dried seaweed. The main objective was to investigate the thermal characteristics of four seaweed species utilizing a thermogravimetric analyzer. The seaweeds Gracilaria fisheri, Caulerpa lentillifera, Ceramium rubrum, and Eucheuma cottonii were collected from the Pahang state of Peninsular Malaysia. The calorific value of the samples was revealed by using a calorimeter. Ceramium

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Korzen, Leor, Yoav Peled, Shiri Zemah Shamir, et al. "An economic analysis of bioethanol production from the marine macroalga Ulva (Chlorophyta)." TECHNOLOGY 03, no. 02n03 (2015): 114–18. http://dx.doi.org/10.1142/s2339547815400105.

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We performed a cost-benefit analysis for bioethanol production using biomass of Ulva rigida, a marine macroalga (seaweed), co-cultured with fish in an intensive offshore aquaculture unit. This is the first report for such analysis that takes into consideration offshore seaweed cultivation and uses a recently developed, novel and simplified ethanol production technology that is devoid of costly pre-treatments imposed to the seaweed biomass. By simultaneously producing ethanol with valuable Dried Distillers Grains with Solubles (DDGS) by-products such as animal feed, the economic viability of th

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Sarkar, Md Shirajul Islam, Md Kamal, Muhammad Mehedi Hasan, and Md Ismail Hossain. "Present status of naturally occurring seaweed flora and their utilization in Bangladesh." Research in Agriculture Livestock and Fisheries 3, no. 1 (2016): 203–16. http://dx.doi.org/10.3329/ralf.v3i1.27879.

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A survey was conducted to know the present status of naturally occurring seaweed flora and their utilization in Bangladesh by interviews of scientific officers of MFTS (Marine Fisheries and Technology Station, Bangladesh Fisheries Research Institute, Coxs Bazar), NGO officials associated with seaweed research project, local seaweed food products manufacturer, seaweed collectors and Mog or Rakhyine tribal community of Coxs Bazar and St. Martin Island. Lack of knowledge on availability, distribution, seasonal variation, utilization status is causing impediment on utilization (e.g. seaweeds as

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Ingle, Kapilkumar Nivrutti, Hadar Traugott, and Alexander Golberg. "Challenges for marine macroalgal biomass production in Indian coastal waters." Botanica Marina 63, no. 4 (2020): 327–40. http://dx.doi.org/10.1515/bot-2018-0099.

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AbstractDue to its large, exclusive economic zone, India has considerable potential for implementing large-scale cultivation of macroalgae. However, such cultivation requires the availability of, and access to, sites where technical, legal, governmental, and environmental factors are favorable. This review discusses the challenges that have held back the development of seaweed cultivation in India. The review is based on a literature survey and informal discussions with industry-related personnel. It cites the strong need for clear and definitive policies related to access to and use of coasta

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Song, Yun-Mi, Hui Gyeong Park, and Jung-Soo Lee. "Hierarchically Graphitic Carbon Structure Derived from Metal Ions Impregnated Harmful Inedible Seaweed as Energy-Related Material." Materials 17, no. 18 (2024): 4643. http://dx.doi.org/10.3390/ma17184643.

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This study explored the development of hierarchical graphitic carbon structures (HGCs) from harmful inedible seaweed waste harvested in the summer. Elevated sea temperatures during the summer increase the cellulose content of seaweeds, making them unsuitable for consumption. By utilizing seaweed biomass, this study addresses critical marine environmental issues and provides a sustainable solution for promising electrode materials for energy storage devices. The fabrication process involved impregnating seaweed with Ni ions, followed by annealing to create a highly crystalline carbon structure.

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Phang, Siew-Moi, Hui-Yin Yeong, and Phaik-Eem Lim. "The seaweed resources of Malaysia." Botanica Marina 62, no. 3 (2019): 265–73. http://dx.doi.org/10.1515/bot-2018-0067.

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Abstract The extensive coastline and numerous islands of Malaysia provide various habitats suitable for the growth of a diversity of the marine macroalgae (seaweeds). Since the last checklist of the Malaysian seaweeds was published in 2006, there has been an increase of 17 families, 32 genera, and 75 species. Seven new species were described. The present tally stands at 459 taxa in 72 families; with 35 species in 12 families of Cyanophyta; 113 species in 16 families of Chlorophyta; 95 species in 8 families of Ochrophyta; and 216 species in 36 families of Rhodophyta. Only three species, Kappaph

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Avila-Peltroche, José, and Jaraj Padilla-Vallejos. "The seaweed resources of Peru." Botanica Marina 63, no. 4 (2020): 381–94. http://dx.doi.org/10.1515/bot-2020-0026.

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AbstractThe coast of Peru (3.5–18°S) is one of the most productive marine areas in the world. The updated seaweed checklist reports a total of 260 specific/intraspecific taxa, of which the Rhodophyta show the highest number (185 species), followed by Chlorophyta (41 species) and Phaeophyceae (34 species). Since 2012, an increase in molecular studies has been reported mostly in Rhodophyta, while Chlorophyta and Phaeophyceae have lagged far behind. Utilization of seaweed resources has been based on artisanal collection from natural beds. These are mainly consumed fresh or salt-dried (Chondracant

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Li, Xunmeng, Kai Wang, Shouyu Zhang, and Meiping Feng. "Distribution and Flora of Seaweed Beds in the Coastal Waters of China." Sustainability 13, no. 6 (2021): 3009. http://dx.doi.org/10.3390/su13063009.

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Seaweed plays an important role in energy production in marine, coastal, and island ecosystems. The protection of seaweed beds is a key point for coastal ecosystem health, but the community characteristics, dominant species, and distribution of seaweed beds in the coastal waters of China are still unknown. Dividing seaweed beds based on their ecological function is also required for coastal ecosystem conservation, marine development, and utilization. We conducted ecological surveys on various types of ecosystems at approximately 50 sites dedicated to the conservation of seaweed bed biodiversit

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Jomari, A. Orillosa. "Specific growth rate and biomass production of seaweeds Gracilaria (Gracilaria spp.)." International Journal of Biomolecules and Biomedicine (IJBB) 24, no. 2 (2024): 89–96. https://doi.org/10.12692/ijb/24.2.89-96.

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Gracilaria is the most promising seaweed in the fishery industry nowadays and can tolerate different environmental conditions. This study aimed to evaluate the specific growth rate and biomass production of <em>Gracilaria </em>spp. in marine water environments using different culture techniques like vertical rope, floating monoline bamboo, plastic bottles, and the half-side bamboo technique. The experiment was laid out in a randomized complete block design (RCBD), where each treatment had three replications. A one-way ANOVA was used to test if there was a significant difference among

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Sunwoo, In-Yung, Hyunjin Cho, Taeho Kim, Eun-Jeong Koh, and Gwi-Taek Jeong. "Evaluation of Antioxidant Activity of Residue from Bioethanol Production Using Seaweed Biomass." Marine Drugs 22, no. 8 (2024): 340. http://dx.doi.org/10.3390/md22080340.

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This study explores the potential of producing bioethanol from seaweed biomass and reusing the residues as antioxidant compounds. Various types of seaweed, including red (Gelidium amansii, Gloiopeltis furcata, Pyropia tenera), brown (Saccharina japonica, Undaria pinnatifida, Ascophyllum nodosum), and green species (Ulva intestinalis, Ulva prolifera, Codium fragile), were pretreated with dilute acid and enzymes and subsequently processed to produce bioethanol with Saccharomyces cerevisiae BY4741. Ethanol production followed the utilization of sugars, resulting in the highest yields from red alg

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Jacobsen, Charlotte, and Susan L. Holdt. "Introduction to the Special Issue: “Advance in Recovery and Application of Bioactive Compounds from Seafood”." Foods 10, no. 2 (2021): 266. http://dx.doi.org/10.3390/foods10020266.

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Due to increased focus on a circular bioeconomy, full utilization of marine biomass, including side streams from the seafood processing industry as well as utilization of biomass that has not been used to a great extent in the Western world (e.g., seaweed), is receiving increased attention from both academia and industry. [...]

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Pari, Rizfi Fariz, Uju Uju, Safrina Dyah Hardiningtyas, et al. "Ulva Seaweed-Derived Ulvan: A Promising Marine Polysaccharide as a Sustainable Resource for Biomaterial Design." Marine Drugs 23, no. 2 (2025): 56. https://doi.org/10.3390/md23020056.

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Green seaweed is currently underused compared with other major seaweed types. Many scientists have reported applications of the green seaweed Ulva in various fields in recent years, which makes it a candidate for biomass production in industrial biorefineries. Ulva contains a unique polysaccharide called ulvan, which is being considered for medicinal and pharmacological applications. Ulvan is a sulfated polysaccharide including rhamnose and glucuronic acid residues, which has a range of bioactivities, including immunomodulatory, antimicrobial, and anticoagulant properties. The biocompatibility

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Patyshakuliyeva, Aleksandrina, Daniel L. Falkoski, Ad Wiebenga, Klaas Timmermans, and Ronald P. de Vries. "Macroalgae Derived Fungi Have High Abilities to Degrade Algal Polymers." Microorganisms 8, no. 1 (2019): 52. http://dx.doi.org/10.3390/microorganisms8010052.

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Marine fungi associated with macroalgae are an ecologically important group that have a strong potential for industrial applications. In this study, twenty-two marine fungi isolated from the brown seaweed Fucus sp. were examined for their abilities to produce algal and plant biomass degrading enzymes. Growth of these isolates on brown and green algal biomass revealed a good growth, but no preference for any specific algae. Based on the analysis of enzymatic activities, macroalgae derived fungi were able to produce algae specific and (hemi-)cellulose degrading enzymes both on algal and plant bi

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Li, Xunmeng, Xu Zhao, Huarong Yuan, et al. "Diversity and Carbon Sequestration of Seaweed in the Ma’an Archipelago, China." Diversity 15, no. 1 (2022): 12. http://dx.doi.org/10.3390/d15010012.

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Seaweed communities perform a variety of ecological services, including primary productivity supply, biological habitat construction, water purification, and acting as marine carbon sinks. The abundance of seaweed is the basis for the assessment of ecological services in communities. The Ma’an Archipelago, adjacent to the Yangtze River estuary in China, is an important and typical island group. In this study, the abundance of seaweed in the typical coastal islands of the Ma’an Archipelago, Zhejiang Province, was evaluated by means of sonar detection and scuba diving sampling methods. The organ

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Granados, Paola, Sergio Mireles, Engil Pereira, Chu-Lin Cheng, and James Jihoon Kang. "Effects of Biochar Production Methods and Biomass Types on Lead Removal from Aqueous Solution." Applied Sciences 12, no. 10 (2022): 5040. http://dx.doi.org/10.3390/app12105040.

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Biochar has proven its potential in removing heavy metal ions from water. The objective of this study was to evaluate locally obtained biomass feedstocks for biochar production and their efficiency as a sorbent for aqueous lead (Pb2+) removal. The biomass feedstocks consisted of avocado seed, avocado peel, grapefruit peel, and brown seaweed, which represent agricultural and marine biomasses. The biochar materials were produced in two different methods: (1) a laboratory tube furnace at 300 °C and (2) a Do-It-Yourself (DIY) biochar maker, “BioCharlie Log”. The biochars were characterized for sel

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Chen, Shuangshuang, Zhanjiang Ye, Runjie Jin, et al. "High-Precision Remote Sensing Monitoring of Extent, Species, and Production of Cultured Seaweed for Korean Peninsula." Remote Sensing 17, no. 7 (2025): 1150. https://doi.org/10.3390/rs17071150.

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Sustainable seaweed cultivation is crucial for marine environmental protection, ecosystem health, socio-economic development, and carbon sequestration. Accurate and timely information on the distribution, extent, species, and production of cultivated seaweeds is essential for tracking biomass production, monitoring ecosystem health, assessing environmental impacts, optimizing cultivation planning, supporting investment decisions, and quantifying carbon sequestration potential. However, this important information is usually lacking. This study developed a high-precision monitoring approach by i

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Healy, Laura E., Xianglu Zhu, Milica Pojić, et al. "Biomolecules from Macroalgae—Nutritional Profile and Bioactives for Novel Food Product Development." Biomolecules 13, no. 2 (2023): 386. http://dx.doi.org/10.3390/biom13020386.

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Seaweed is in the spotlight as a promising source of nutrition for humans as the search for sustainable food production systems continues. Seaweed has a well-documented rich nutritional profile containing compounds such as polyphenols, carotenoids and polysaccharides as well as proteins, fatty acids and minerals. Seaweed processing for the extraction of functional ingredients such as alginate, agar, and carrageenan is well-established. Novel pretreatments such as ultrasound assisted extraction or high-pressure processing can be incorporated to more efficiently extract these targeted ingredient

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Chen, Binbin, Huawei Zhang, Zengling Ma, and Mingjiang Wu. "Epiphytic macroalgae of maricultured Sargassum and their potential utilizations." Aquatic Living Resources 37 (2024): 12. http://dx.doi.org/10.1051/alr/2024009.

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Epiphytism commonly occurs in marine benthic macroalgae and seagrass communities under natural conditions and those of mariculture. This can greatly obstruct the cultivation of commercial seaweeds and ultimately impacts the seaweed aquaculture industry negatively. Against a background of climate change and a rapidly increasing market demand, the commercial Sargassum species is experiencing increasing challenges posed by epiphytic macroalgae. Severely reduced growth, lower quality, the emergence of diseases, and the ultimate death of the algae can lead to a commercial loss. Attempts to limit ep

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Andrade, Herika Mylena Medeiros de Queiroz, Luiz Pinguelli Rosa, Flavo Elano Soares de Souza, Neilton Fidelis da Silva, Maulori Curié Cabral, and Dárlio Inácio Alves Teixeira. "Seaweed Production Potential in the Brazilian Northeast: A Study on the Eastern Coast of the State of Rio Grande do Norte, RN, Brazil." Sustainability 12, no. 3 (2020): 780. http://dx.doi.org/10.3390/su12030780.

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Seaweed is a source of multipurpose bioresources, providing millions of dollars to the world’s economy and performing various ecosystem services that aid in maintaining marine balance, reducing eutrophication, providing nutrients and mitigating atmospheric CO2. In this context, this study aims to evaluate the potentialities of the cultivation of the Crassiphycus birdiae seaweed on the eastern coast of the state of Rio Grande do Norte (RN), Brazil, considering the physical and environmental aspects. Estimates concerning suitable areas and their productive potential for the Biomass, Bioethanol,

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Coelho, Fernando Pinto, Rômulo Simões C. Menezes, Everardo Valadares de S. B. Sampaio, et al. "Biorefinery of Beach Cast Seaweed in Brazil: Renewable Energy and Sustainability." Phycology 4, no. 3 (2024): 394–413. http://dx.doi.org/10.3390/phycology4030022.

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Macroalgae are a natural oceanic resource of inexhaustible abundance for the biomass energy industry with growth rates that are three to four times greater than those of terrestrial plants. The objective of this study was to evaluate the sustainability of macroalgae as biomass for biorefining through two investigations. Firstly, the deposition of macroalgae was sampled through 28 collections on seven beaches in the city of Maceió, Brazil, over a two-year period using a zigzag sampling method, covering a deposition area of 135,000 m2. From this, it was estimated that daily collection would yiel

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Cadar, Emin, Rodica Sirbu, Bogdan Negreanu Pirjol, Ana Maria Ionescu, and Ticuta Negreanu Pirjol. "Heavy Metals Bioaccumulation Capacity on Marine Algae Biomass from Romanian Black Sea Coast." Revista de Chimie 70, no. 8 (2019): 3065–72. http://dx.doi.org/10.37358/rc.19.8.7489.

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Knowledge of environmental pollution with an impact on health is essential for a sustainable environment and useful for people. The coastal areas of the world�s seas and oceans are polluted with different pollutants from technological sources and from other sources of socio-human activities. The pollutants studied are heavy metals Cd, Cu, Zn and Pb. In the paper are presented researches regarding the heavy metal concentrations determined in samples from marine water, sediments and algal mass, harvested from six stations from different areas of the Romanian Black Sea in two different years 2017

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Coelho, Fernando Pinto, Everardo Valadares de Sá Barreto Sampaio, Márcio Gomes Barboza, et al. "Renewable Energy from Beach-Cast Seaweed: Calorific Power Heating Studies with Macroalgae." Plants 14, no. 7 (2025): 1005. https://doi.org/10.3390/plants14071005.

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Some stretches of the Brazilian coast are regularly subject to a natural process of macroalgae deposition. In urban beach areas, public institutions responsible for cleaning collect this biomass and dispose of it in landfills. When this biomass is exposed to the sun for a long time in the littoral area, a decomposition process begins and causes greenhouse gas emission into the atmosphere. Macroalgae biomass is a natural resource that could be used for renewable energy, contributing to meeting the growing demand for low environmental impacts of energy, indicating the possibility of participatin

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Pratiwi, Rifqah, Ni Putu Dian Kusuma, Lukas G. G. Serihollo, Pieter Amalo, Lego Suhono, and I. Wayan Darya Kartika. "Application of kajarula technology to the productivity of seaweed Kappaphycus striatus at Tablolong Beach, West Kupang, East Nusa Tenggara." E3S Web of Conferences 442 (2023): 02032. http://dx.doi.org/10.1051/e3sconf/202344202032.

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Seaweed Kappaphycus striatus is a potential marine biological resource in Indonesia, but the cultivation uses still the conventional method (long line). The decline in production yields is affected by environmental disturbances, such as pest attacks and release due to strong currents and waves, which are also not environmentally friendly. Therefore, it is necessary to develop new cultivation methods to increase seaweed productivity. This study aims to analyze the productivity of seaweed using Kajarula (Kantong Jaring Rumput Laut, also known as seaweed net bag) technology at Tablolong Beach, We

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Patón, Daniel, and José Carlos García-Gómez. "Isopods in the Bioremediation of Invasive Seaweeds? First Experience with the Seaweed Rugulopteryx okamurae Mass Dumped on Beaches." Journal of Marine Science and Engineering 13, no. 1 (2024): 12. https://doi.org/10.3390/jmse13010012.

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Since 2015, the invasive seaweed Rugulopteryx okamurae has triggered the most serious marine macrophyte invasion in Europe. Its huge coastal biomass dumped on beaches generates health problems, strong odors, impacts on tourism, and high clean-up costs, but it also constitutes a new potential marine resource that offers significant prospects for exploitation. In this sense, as a circular economy strategy, seaweed bioremediation with isopods (Isopoda, Crustacea, Arthropoda) was experimented on for the first time. Specimens of Porcellio laevis (native terrestrial isopod) were obtained from urban

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Peñuela, Ana, Daniel Robledo, Nathalie Bourgougnon, Gilles Bedoux, Emanuel Hernández-Núñez, and Yolanda Freile-Pelegrín. "Environmentally Friendly Valorization of Solieria filiformis (Gigartinales, Rhodophyta) from IMTA Using a Biorefinery Concept." Marine Drugs 16, no. 12 (2018): 487. http://dx.doi.org/10.3390/md16120487.

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Marine macroalgae (seaweed) are an excellent source of novel bioactive metabolites. The biorefinery concept applied to seaweed facilitates the extraction of many chemical constituents from the same biomass ensuring that the resource is used fully, generating few residues through a succession of extraction steps. In the present study, the biomass of the carragenophyte Solieria filiformis (Rhodophyta, Gigartinales) cultured in an integrated multi-trophic aquaculture (IMTA) system was evaluated to obtain valuable products by a biorefinery approach. Enzymatic-assisted extraction (EAE) and microwav

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Lytou, Anastasia E., Eirini Schoina, Yunge Liu, et al. "Quality and Safety Assessment of Edible Seaweeds Alaria esculenta and Saccharina latissima Cultivated in Scotland." Foods 10, no. 9 (2021): 2210. http://dx.doi.org/10.3390/foods10092210.

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Within Europe over the last 10 years, there has been an increase in seaweeds cultivated for human consumption. For food safety reasons, it is important to assess the microbiological and nutritional quality of the biomass. The fresh and dried edible seaweeds Alaria esculenta and Saccharina latissima were assessed over two consecutive years for the presence of microorganisms. Seaweed samples supplied from Scotland were stored under isothermal conditions for specific time intervals depending on the sample’s condition (fresh, dried or rehydrated). During storage, microbiological analyses were perf

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Mandalka, Andrea, Maria Irisvalda Leal Gondim Cavalcanti, Talissa Barroco Harb, et al. "Nutritional Composition of Beach-Cast Marine Algae from the Brazilian Coast: Added Value for Algal Biomass Considered as Waste." Foods 11, no. 9 (2022): 1201. http://dx.doi.org/10.3390/foods11091201.

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In some coastal areas, large quantities of beach-cast macroalgae can accumulate and are usually considered waste and disposed of. However, due to their biofunctional and nutritional properties, they have great potential as a new source of raw materials. Increasing population growth has made the search for alternative raw materials with valuable nutritional properties urgent; here, beach-cast macroalgae could provide great potential. Our research goal was to characterize the nutritional profile of 12 beach-cast seaweed species from the Brazilian coast to assess their potential valorization. A c

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Choi, Dongmun, Hyung-Gon Lee, Yun-Hwan Jung, et al. "Pilot-Scale Cultivation of Seaweed (Undaria pinnatifida) Along an Offshore Wind Farm in Southwestern Korea." Journal of Marine Science and Engineering 13, no. 5 (2025): 882. https://doi.org/10.3390/jmse13050882.

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Marine environments provide a unique opportunity to blend offshore wind energy production and marine fishery activities as complementary technologies. This study investigated the morphological characteristics (length and weight) and biomass yield of seaweed (Undaria pinnatifida) in a model marine environment with mariculture within an offshore wind farm in southwestern Korea. The mean lengths in the first cultivation trials of U. pinnatifida sporophytes increased from 1.8 ± 0.1 cm in November 2021 to 120–170 cm in March 2022 (density, 39.8 plants m−1; final wet weight, 98.6–249.1 g (mean 146.8

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Rogerson, Andrew, Alan G. Williams, and Peter C. Wilson. "Utilization of Macroalgal Carbohydrates By The Marine Amoeba Trichosphaerium Sieboldi." Journal of the Marine Biological Association of the United Kingdom 78, no. 3 (1998): 733–44. http://dx.doi.org/10.1017/s002531540004474x.

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Trichosphaerium sieboldi is a marine amoeba with a cosmopolitan distribution. The ability of three strains, from different geographical regions, to digest a range of macroalgae was investigated. Prior to these experiments, methods were developed for the axenic cultivation of T. sieboldi. Algae included Fucus vesiculosus, F. spiralis, Laminaria digitata, L. saccharina, Mastocarpus stellatus, Palmaria palmata, Porhyra sp., and Ulva sp. All were degraded with equivalent ease; typically 50% of the tissue biomass was removed within seven days. The wall of this amoeba was studied to obtain clues on

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Sudhakar, M. P., A. Jegatheesan, C. Poonam, K. Perumal, and K. Arunkumar. "Biosaccharification and ethanol production from spent seaweed biomass using marine bacteria and yeast." Renewable Energy 105 (May 2017): 133–39. http://dx.doi.org/10.1016/j.renene.2016.12.055.

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Ubaidillah Faqih, M. Rakha, Idris, Mauludiyah, Fakhrurrozi, Dian Sari Maisaroh, and Marita Ika Joesidawati. "Coral reef health index on Tunda Island, Banten, Indonesia." BIO Web of Conferences 168 (2025): 01002. https://doi.org/10.1051/bioconf/202516801002.

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Tunda Island in Serang Regency, Banten Province, has rich marine ecosystems, including mangroves, seagrass beds, and coral reefs. However, increasing environmental pressures threaten coral reef health, necessitating an assessment of their current condition. This study aimed to evaluate the status of coral reefs in Tunda Island using a coral reef health index based on benthic and fish components. Data were collected at six sites using the Underwater Photo Transect (UPT) method for coral assessment and the Underwater Visual Census (UVC) method for reef fish. Coral cover, fleshy seaweed, and cora

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Eimontas, Justas, Adolfas Jančauskas, Kęstutis Zakarauskas, Nerijus Striūgas, and Lina Vorotinskienė. "Investigation of Optimal Temperature for Thermal Catalytic Conversion of Marine Biomass for Recovery of Higher-Added-Value Energy Products." Energies 16, no. 8 (2023): 3457. http://dx.doi.org/10.3390/en16083457.

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The eutrophication process, caused by the uncollected seaweed and macroalgae, is a relevant and ongoing ecological issue. In case this biomass is collected from the seashores, it could be used as a potential feedstock for recovery of higher-added-value energy products. This paper aims to investigate the seaweed perspective of uses as a potential feedstock in the slow-pyrolysis process, using microthermal analysis combined with Fourier transform infrared spectrometry and experiments at the laboratory scale at different temperatures with two different types of zeolite catalysts. The primary inve

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Rowbotham, J. S., P. W. Dyer, H. C. Greenwell, D. Selby, and M. K. Theodorou. "Copper(II)-mediated thermolysis of alginates: a model kinetic study on the influence of metal ions in the thermochemical processing of macroalgae." Interface Focus 3, no. 1 (2013): 20120046. http://dx.doi.org/10.1098/rsfs.2012.0046.

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Thermochemical processing methods such as pyrolysis are of growing interest as a means of converting biomass into fuels and commodity chemicals in a sustainable manner. Macroalgae, or seaweed, represent a novel class of feedstock for pyrolysis that, owing to the nature of the environments in which they grow coupled with their biochemistry, naturally possess high metal contents. Although the impact of metals upon the pyrolysis of terrestrial biomass is well documented, their influence on the thermochemical conversion of marine-derived feeds is largely unknown. Furthermore, these effects are inh

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Jung, Seung Wook, Hyun Soo Rho, and Chang Geun Choi. "Seaweed Beds and Community Structure in the East and South Coast of Korea." Journal of Marine Science and Engineering 10, no. 5 (2022): 689. http://dx.doi.org/10.3390/jmse10050689.

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This study conducted a community investigation via scuba-diving excursions into the subtidal regions of seven sea areas on the eastern coasts and three sea areas on the southern coasts, from October to December 2017, to determine the characteristics of seaweed communities and the current status of barren ground in natural seaweed beds in Korea. The results showed that species composition and average biomass in the sea area were 5–48 species and an average of 114.42 g/m2 (0.29–273.60 g/m2) in the eastern coasts, where red algae—an annual opportunity species—were dominant, and 21–48 species and

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Sahir, Muhammad, Isma Riskiani, Uttari Dewi, and Muhammad Yusfi Yusuf. "Analysis of Carbon Sequestration Rate in Seaweed (Kappaphycus alvarezii) Based on Environmental Mitigation." Jurnal Perikanan Universitas Gadjah Mada 25, no. 2 (2023): 175. http://dx.doi.org/10.22146/jfs.89967.

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Blue economy is a development concept that develops by relying on marine or aquatic resources. An increase in carbon dioxide (CO2) in the atmosphere is fueling climate change. This study aims to analyze the rate of carbon uptake in the waters, using seaweed Kappaphycus alvarezii which utilizes carbon to be converted into biomass before returning to the air. The results showed that highest carbon absorption rate was found in location A with the highest total carbon absorption of 94.87±0.77 tons C/planting cycle, then treatment B with 83.96±0.54 tons C/planting cycle, and the lowest in treatment

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Cao, Thi Thuy Hang, Nguyen Ha Vy Tran, Thi Thuan Nguyen, et al. "Diversity of seaweed-derived marine bacteria producing sulfated polysaccharide-degrading enzymes: Isolation, Screening, and Identification." Vietnam Journal of Marine Science and Technology 25, no. 2 (2025): 141–50. https://doi.org/10.15625/1859-3097/22729.

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Marine bacteria associated with algae represent a valuable source of enzymes capable of degrading complex polysaccharides, such as fucoidan and ulvan. This study investigated bacteria isolated from 12 species of brown algae and 8 species of green algae, yielding 126 and 65 strains, respectively. Selective media supplemented with fucoidan or ulvan as the sole carbon source was employed to screen for enzymatic activity. The bacterial strains were characterized based on morphological features, and molecular identification was conducted through 16S rRNA sequencing. Several isolates demonstrated si

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Southichak, B., K. Nakano, M. Nomura, N. Chiba, and O. Nishimura. "Marine macroalga Sargassum horneri as biosorbent for heavy metal removal: roles of calcium in ion exchange mechanism." Water Science and Technology 58, no. 3 (2008): 697–704. http://dx.doi.org/10.2166/wst.2008.696.

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Brown seaweed Sargassum horneri, a troublesome biomass scattered along the seashore, was utilized as a biosorbent for Pb(II) removal from aqueous solutions. The Pb(II) adsorption by brown seaweed was enhanced by pretreatment with CaCl2, and the Langmuir adsorption isotherm equation showed a maximum capacity of a Qmax of 0.696 mmol/g and ab value of 94.33 L/mmol. Results obtained from the mass-balance equation derived from the simulation model of the Langmuir adsorption isotherm suggested that the adsorption performance of brown seaweed biosorbent was sufficient to reduce the concentration of P

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Cadar, Emin, Emilia Mihaela Cadar, and Cristina-Luiza Erimia. "New Formulation with Marine Algae from Black Sea." European Journal of Medicine and Natural Sciences 2, no. 2 (2019): 1. http://dx.doi.org/10.26417/559smu76z.

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Seaweed is a natural treasure that can be intensely evaluated for therapeutic purposes. During the past years, it became obvious that the ecosystem presents a marine algae excedent, which should be utilized in one way or another. Marine algae have been intensely studied. The superior exploitation of the marine biomass represents a highly important resource for the pharmaceutical industry, supplying raw material for the extraction of bioactive substances (vitamins, sterols, and aminoacids) and various other substances, the purity of which is strongly connected to the state of the marine ecosyst

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Farhan, Andi M., Andi Zaky Hanifan, Rifqiyanti Ismi, Al Fikriyani, Chanifah T. Maulita, and Irene E. Rieuwpassa. "Potential extract of green algae (Ulva luctuca) as antimicrobial in mouthwash: literature review." Makassar Dental Journal 11, no. 3 (2022): 270–74. http://dx.doi.org/10.35856/mdj.v11i3.640.

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Green algae as one of the marine natural resources which is included in the main seaweed is found in many coastal areas of In-donesia. The bioactive component that acts as an antibacterial agent in green algae type Ulva lactuca is ulvan polysaccharide extract. Ulvan is a cell wall polysaccharide that accounts for 9-36% dry weight of Ulva biomass and is mainly composed of rhamnose sulfate, uronic acid (glucuronic acid and iduronic acid) and xylose. Polysaccharide ulvan extracted from Ulva lactuca can be one of the antimicrobial materials used in mouthwash in dentistry.

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Haliza, Ghea Nur, Safrina Dyah Hardiningtyas, Kustiariyah Tarman, and Uju. "Screening and Characterization of Exopolysaccharide-Producing Endophytic Fungi." BIO Web of Conferences 176 (2025): 02002. https://doi.org/10.1051/bioconf/202517602002.

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Marine endophytic fungi are microorganisms that inhabit marine plant tissues without harming their hosts. These fungi can produce exopolysaccharides (EPS), which have potential applications in food, pharmaceuticals, and biomaterials. This study aims to screen and characterize EPS-producing marine endophytic fungi. Ten fungi isolates from seaweed, seagrass, and mangroves were cultivated in Czapek-Dox medium, and EPS production was evaluated based on wet and dry biomass yields. Among the isolates, KTR49 produced the highest EPS yield (180±12.26 mg/L) and was further analyzed. FTIR spectroscopy c

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Chung, Ik Kyo, Jung Hyun Oak, Jin Ae Lee, Jong Ahm Shin, Jong Gyu Kim, and Kwang-Seok Park. "Installing kelp forests/seaweed beds for mitigation and adaptation against global warming: Korean Project Overview." ICES Journal of Marine Science 70, no. 5 (2013): 1038–44. http://dx.doi.org/10.1093/icesjms/fss206.

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Abstract Chung, I. K., Oak, J. H., Lee, J. A., Shin, J. A., Kim, J. G., and Park, K.-S. 2013. Installing kelp forests/seaweed beds for mitigation and adaptation against global warming: Korean Project Overview. – ICES Journal of Marine Science, 70: 1038–1044. Seaweed beds can serve as a significant carbon dioxide (CO2) sink while also satisfying global needs for food, fodder, fuel, and pharmaceutical products. The goal of our Korean Project has been to develop new baseline and monitoring methodologies for mitigation and adaptation within the context of climate change. Using innovative research

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Negreanu-Pirjol, Bogdan-Stefan, Ticuta Negreanu-Pirjol, and Gabriela Mihaela Paraschiv. "Residual Marine Algae Biomass - An Important Raw Material for Obtaining a Soil Biostimulator-Regenerator." European Journal of Medicine and Natural Sciences 2, no. 2 (2019): 37. http://dx.doi.org/10.26417/749ztk83f.

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This paper highlight a study regarding the valorification of residual marine algae biomass along Romanian Black Sea Coast, which recorded in the last summer period an accumulation of a large seaweed biomass quantities. The valorization of this waste was conceived as a result of theirs nutritional potential for improvind degraded soils of Dobrudja region, Romania and as complex capitalization of this biomass. It was establish the biotechnological process for the new biosolid nutrient composite obtaining. The parameter physical-chemical results of raw material used for biofertilizer obtaining, e

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Hiraoka, Masanori. "Massive Ulva Green Tides Caused by Inhibition of Biomass Allocation to Sporulation." Plants 10, no. 11 (2021): 2482. http://dx.doi.org/10.3390/plants10112482.

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The green seaweed Ulva spp. constitute major primary producers in marine coastal ecosystems. Some Ulva populations have declined in response to ocean warming, whereas others cause massive blooms as a floating form of large thalli mostly composed of uniform somatic cells even under high temperature conditions—a phenomenon called “green tide”. Such differences in population responses can be attributed to the fate of cells between alternative courses, somatic cell division (vegetative growth), and sporic cell division (spore production). In the present review, I attempt to link natural population

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Kim, Kwang Young. "Harnessing seaweed farming for climate mitigation in South Korea: evaluating carbon dioxide removal potential and future research directions." Algae 39, no. 4 (2024): 329–47. https://doi.org/10.4490/algae.2024.39.10.28.

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Seaweed farming is emerging as a scalable and effective carbon dioxide removal (CDR) strategy, offering direct sequestration benefits through carbon uptake pathways and indirect climate advantages by substituting carbon-intensive products. This paper evaluates the potential of seaweed farming within the context of South Korea, leveraging its advanced aquaculture infrastructure, extensive coastal resources, and supportive policy frameworks. By synthesizing current literature, this study examines key sequestration mechanisms, including biomass storage, dissolved organic carbon (DOC) release, and

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Shalehah, Atiatun, Muhammad Junaidi, and Muhammad Sumsanto. "Nitrogen, Phosphorus Absorption Rate and Growth of Gracillaria verrucosa Based on Integrated Multi-Trophic Aquaculture (IMTA) in Ekas Bay Waters, East Lombok, Indonesia." Asian Journal of Fisheries and Aquatic Research 27, no. 7 (2025): 195–205. https://doi.org/10.9734/ajfar/2025/v27i7966.

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The development of marine aquaculture based on Integrated Multi-Trophic Aquaculture (IMTA) is a method designed to overcome environmental problems associated with feed use in aquaculture activities. This study aims to analyze the growth performance, production and absorption rate of N and P of Gracillaria verrucosa seaweed cultivated by floating raft method around floating net cages. This study used an experimental method with 3 repetitions with the location of the floating raft system seaweed cultivation around the floating net cage (FNC) system cultivation activities placed at a distance of

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Song, Hanmo, Yan Liu, Jingyu Li, Qingli Gong, and Xu Gao. "Interactions between Cultivated Gracilariopsis lemaneiformis and Floating Sargassum horneri under Controlled Laboratory Conditions." Water 14, no. 17 (2022): 2664. http://dx.doi.org/10.3390/w14172664.

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The golden tide dominated by Sargassum has become a frequently-occurring marine ecological event that may constitute major biotic threats to seaweed aquaculture. In this study, the interaction between cultivated Gracilariopsis lemaneiformis (GL) and floating Sargassum horneri (SH) was investigated by physiological and biochemical measurements under mono-culture and co-culture with different biomass density ratios of 2:1 (2GL:1SH), 1:1 (1GL:1SH), and 1:2 (1GL:2SH). The relative growth rate, net photosynthetic rate, and NO3-N uptake rate of G. lemaneiformis were significantly greater at the biom

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