Subarctic sugar kelp (Saccharina latissima, Phaeophyceae) summer productivity and contribution to carbon budgets DOI Creative Commons
Stéphanie Roy, Christian Nozais,

Ladd E. Johnson

et al.

Journal of Phycology, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 25, 2024

Abstract Kelp forests are known to be very productive ecosystems and constitute a central component of the marine carbon cycle in coastal areas. Nevertheless, crucial carbon‐related data missing able include them properly budgets. A thorough understanding kelp contribution is especially important regions prone experiencing strong seasonal fluctuations environmental conditions, such as subarctic regions. This study aimed quantify primary productivity through growth rates oxygen fluxes dominant species regions, Saccharina latissima , link parameters. Our results showed that coincided with high light levels July most August, while stayed similar all summer. An overall decline proxies happened from late suggesting slowing down S. metabolism. The estimated quantity stored tissue during represented 6% 28% gross productivity. Further research needed explore how much transits living different seasons, better understand

Language: Английский

Carbon sequestration and climate change mitigation using macroalgae: a state of knowledge review DOI Creative Commons
Albert Pessarrodona, Rita Melo Franco-Santos, Luka Seamus Wright

et al.

Biological reviews/Biological reviews of the Cambridge Philosophical Society, Journal Year: 2023, Volume and Issue: 98(6), P. 1945 - 1971

Published: July 12, 2023

The conservation, restoration, and improved management of terrestrial forests significantly contributes to mitigate climate change its impacts, as well providing numerous co-benefits. pressing need reduce emissions increase carbon removal from the atmosphere is now also leading development natural solutions in ocean. Interest sequestration potential underwater macroalgal growing rapidly among policy, corporate sectors. Yet, our understanding whether can lead tangible mitigation remains severely limited, hampering their inclusion international policy or finance frameworks. Here, we examine results over 180 publications synthesise evidence regarding forest potential. We show that research efforts on macroalgae are heavily skewed towards particulate organic (POC) pathways (77% data publications), fixation most studied flux (55%). Fluxes directly (e.g. export burial marine sediments) remain poorly resolved, likely hindering regional country-level assessments potential, which only available 17 150 countries where occur. To solve this issue, present a framework categorize coastlines according Finally, review multiple avenues through translate into capacity, largely depends interventions above baseline avoid further emissions. find restoration afforestation potentially order 10's Tg C globally. Although lower than current estimates value all habitats (61-268 year-1 ), it suggests could add total coastal blue ecosystems, offer valuable opportunities polar temperate areas currently low. Operationalizing will necessitate models reliably estimate proportion production sequestered, improvements fingerprinting techniques, rethinking accounting methodologies. ocean provides major adapt change, largest vegetated habitat Earth should not be ignored simply because does fit existing

Language: Английский

Citations

71
The impact of a marine heatwave on the productivity and carbon budget of a NW Mediterranean seaweed forest DOI
Fabio Bulleri, Ludovica Pedicini, Iacopo Bertocci

et al.

Marine Pollution Bulletin, Journal Year: 2025, Volume and Issue: 212, P. 117595 - 117595

Published: Jan. 28, 2025

Language: Английский

Citations

1
Seaweed farming environments do not always function as CO2 sink under synergistic influence of macroalgae and microorganisms DOI
Tianqi Xiong, Hongmei Li, Yubin Hu

et al.

Agriculture Ecosystems & Environment, Journal Year: 2023, Volume and Issue: 361, P. 108824 - 108824

Published: Nov. 23, 2023

Language: Английский

Citations

19
Sustainable bioplastics from seaweed polysaccharides: A comprehensive review DOI Open Access
Dillirani Nagarajan,

Guruvignesh Senthilkumar,

Chiu‐Wen Chen

et al.

Polymers for Advanced Technologies, Journal Year: 2024, Volume and Issue: 35(8)

Published: Aug. 1, 2024

Abstract The use of macroalgae for food has been extensive in Asia historically. However, there a renewed interest at present due to its recognition as potential carbon capture agent and blue donor besides their utility biofuel production. Bioplastics is an umbrella term wide variety polymers that can be either biobased or biodegradable, both. Macroalgal polysaccharides inherent film‐forming capacity are exploited the bioplastics industry macroalgal polysaccharide‐based biofilms extensively used packaging compatibility ease Commercial macroalgae‐based production ongoing, with research dedicated development biodegradable/compostable suitable packing biomedicine sector. This review aims provide overview form bioplastics. Different methods biofilm formation discussed along summarizing effect plasticizers, method film formation, biodegradability. major source marine polysaccharaides agar, alginate, carrageenan, laminarin, fucoidan, ulvan. groups utilized polysaccharide derived bioplatics, namely, brown algae ( Padina pavonica, Ascophyllum nodosum, Laminaria japonica, Rugulopteryx okamurae, Sargassum natans, siliquosum, Jolyna laminarioides, Gracilaria salicornia ), green Ulva fasciata, Halimeda opuntia, Codium fragile, intestinalis, lactuca, rigida red Eucheuma cottonii, Porphyra sp., Kappaphycus alvarezii, corticata ). outcome reveals vast scope polysaccharide‐derived sustainable environment.

Language: Английский

Citations

8
“Pink power”—the importance of coralline algal beds in the oceanic carbon cycle DOI Creative Commons
Nadine Schubert, Fernando Tuya, Viviana Peña

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: Sept. 27, 2024

Language: Английский

Citations

8
The sugar kelp Saccharina latissima II: Recent advances in farming and applications DOI Creative Commons
Maren Sæther, Nora Diehl, Cátia Monteiro

et al.

Journal of Applied Phycology, Journal Year: 2024, Volume and Issue: 36(4), P. 1953 - 1985

Published: March 20, 2024

Abstract The sugar kelp Saccharina latissima has received intense scientific attention over the last decades. In recent years, interest in cultivation of species strongly increased North Atlantic Ocean and Eastern Pacific Ocean, driven by great potential S. to be utilised for various industrial applications, including food, feed, biomaterials. Accordingly, current research focused on improving farming methods technology, environmental impacts, site selection. addition, many studies have investigated varying chemical composition , extraction commercially interesting components, use biomass its derived components applications. This review provides a comprehensive overview applications from 15 years. Additional insights other topics, such as ecology, physiology, biochemical molecular biology are given first review, “The I: advances changing climate” (Diehl et al. 2023).

Language: Английский

Citations

7
Quantifying growth, erosion and dislodgement rates of farmed kelp (Saccharina latissima) to examine the carbon sequestration potential of temperate seaweed farming DOI Creative Commons

Maxine C. Canvin,

Pippa J. Moore, Dan A. Smale

et al.

Journal of Applied Phycology, Journal Year: 2024, Volume and Issue: 36(5), P. 3091 - 3102

Published: July 31, 2024

Abstract Seaweed cultivation, including kelp species, is rapidly expanding in many regions. A widely assumed co-benefit of seaweed farming increased local carbon sequestration rates (thereby contributing to climate change mitigation), although direct field-based measurements assimilation and release are largely lacking. We quantified growth, erosion dislodgement farmed Saccharina latissima Porthallow Bay (Cornwall, UK) throughout a typical cultivation season provide insights into the potential small-scale farms. Blade elongation from ~ 1.3 cm day −1 2.3 March–April, before declining 1.4 by May. Meanwhile, remained low, ranging 0.5 0.8 . Dislodgement decreased 20% plants January–February 5% April–May. Rates accumulation loss January May, related an increase standing stock. Conservative first-order estimates suggest that farm captures 0.14 t C ha y , which up 70% released environment as particulate organic carbon. Based on previous burial storage rates, may sequester 0.05 CO 2 e These values scaling-up European should be motivated other co-benefits, such low-carbon product alternatives, job creation biodiversity gains, not solely driven perceived meaningful sequestration. Importantly, further information needs obtained variety sites develop better understanding dynamics associated with

Language: Английский

Citations

3
Coastal macroalgae aquaculture reduces carbon dioxide emission in a subtropical enclosed bay: Insights from eddy covariance measurements DOI
Yi Deng, Xianghui Guo, Xiaosong Zhao

et al.

Agriculture Ecosystems & Environment, Journal Year: 2025, Volume and Issue: 385, P. 109576 - 109576

Published: Feb. 24, 2025

Language: Английский

Citations

0
Functionality of photobiological traits of the giant kelp (Macrocystis pyrifera) as key determinant to thrive in contrasting habitats in a sub-Antarctic region DOI
Iván Gómez, José R. Loaiza, Mauricio Palacios

et al.

The Science of The Total Environment, Journal Year: 2025, Volume and Issue: 971, P. 179055 - 179055

Published: March 1, 2025

Language: Английский

Citations

0
Particulate and dissolved organic carbon losses in high latitude seaweed farms DOI Creative Commons

Luiza Neves,

Kristin Smeby,

Ole Jacob Broch

et al.

The Science of The Total Environment, Journal Year: 2025, Volume and Issue: 982, P. 179677 - 179677

Published: May 18, 2025

The role of macroalgae as natural sinks for carbon dioxide (CO2) has long been recognized, and interest climate mitigating solutions from seaweed cultivation is quickly rising. Erosion biomass provides avenues sequestration at sea, yet data still lacking important European cultivars, particularly combining particulate (POC) dissolved (DOC) organic losses. In this study, provided on uptake, lamina growth erosion over two consecutive seasons the kelp Saccharina latissima (Phaeophyceae) deployed in Autumn Winter Hitra, Norway. A short-term exudation experiment was performed with same 2023. By April, typical harvest time food applications, average losses to POC DOC pools amounted 15 34 g C m-2 yr-1, respectively, or 9 % 19 net primary production (C-NPP) farm. Combined reached 101-247 yr-1 (40-47 C-NPP) by June. rates 4.1-7.6 mg g-1 h-1 after 4 h incubation, reducing significantly 24 h. On average, 29 12 fixed S. released deployments, before progression bryozoan biofouling. provide a continuous source deposition, burial further breakdown into RDOC, crucial environmental impact assessments accounting methodologies. study valuable future research its contribution global mitigation efforts.

Language: Английский

Citations

0