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The effects of cult...
The effects of cultivation deployment- and harvest-timing, location and depth on growth and composition of Saccharina latissima at the Swedish west coast
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- Thomas, Jean-Baptiste (author)
- KTH,Vatten- och miljöteknik,KTH Royal Institute of Technology, Sweden
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- Sterner, Martin (author)
- KTH,Vatten- och miljöteknik,KTH Royal Institute of Technology, Sweden
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- Nylund, Göran M., 1974 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper, Tjärnö marinlaboratoriet,Department of marine sciences, Tjärnö Marine Laboratory,University of Gothenburg,University of Gothenburg, Sweden
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- Albers, Eva, 1966 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden
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- Edlund, Ulrica, 1972- (author)
- KTH,Polymerteknologi,KTH Royal Institute of Technology, Sweden
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- Undeland, Ingrid, 1968 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden
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- Welander, Ulrika, 1966- (author)
- Linnéuniversitetet,Institutionen för byggd miljö och energiteknik (BET)
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- Gröndahl, Fredrik (author)
- KTH,Vatten- och miljöteknik,KTH Royal Institute of Technology, Sweden
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- Pavia, Henrik, 1964 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper, Tjärnö marinlaboratoriet,Department of marine sciences, Tjärnö Marine Laboratory,University of Gothenburg,University of Gothenburg, Sweden
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- Elsevier BV, 2022
- 2022
- English.
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In: Aquaculture. - : Elsevier BV. - 0044-8486 .- 1873-5622. ; 559
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Abstract
Subject headings
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- A study has been conducted to shed light on the effect of cultivation parameters on growth and chemical composition of Saccharina latissima. Longline cultivation took place at two separate locations in the Koster ar-chipelago on the Swedish west coast, centred around three experiments that explored duration of pre-deployment hatchery processes (Exp 1), deployment and harvest time-frames (Exp 2), and cultivation at 2 m vs. 4 m depth (Exp 3). For all experiments the effects of these parameters were evaluated in terms of size/weight of specimens, and for experiments Exp 2 and Exp 3, concentrations of moisture, ash, carbohydrates, proteins, fatty acids, phlorotannins and common heavy metals were determined. The specific parameters used in this study are likely to vary from site to site, nevertheless trends were observed that resonate in the literature, and these lead to some general recommendations. The weight of harvested kelp blades was higher for the later harvest, earlier deployment and when grown at a shallower depth. Carbohydrates concentration increased with later harvests and at shallower depth. Later harvests also increased the concen-tration of phlorotannin, while ash and total fatty acids decreased. Protein and fucoidan content was higher for the deeper lines. Growth and chemical composition of the seaweeds showed only minor differences between the two study sites, mostly relating to heavy metal content.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Näringslära (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Nutrition and Dietetics (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Fisk- och akvakulturforskning (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Fish and Aquacultural Science (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
Keyword
- Kelp aquaculture optimization
- Chemical composition
- Seasonal variation
- Permutational multivariate analysis
- Blue bioeconomy
- seasonal-variation
- chemical-composition
- laminaria-digitata
- seaweed
- impact
- biomethane
- yield
- Fisheries
- Marine & Freshwater Biology
- Chemical composition
- Naturresurshushållning
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Thomas, Jean-Bap ...
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Sterner, Martin
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Nylund, Göran M. ...
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Albers, Eva, 196 ...
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Edlund, Ulrica, ...
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Undeland, Ingrid ...
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show more...
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Welander, Ulrika ...
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Gröndahl, Fredri ...
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Pavia, Henrik, 1 ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Ecology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Environmental Sc ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Health Sciences
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and Nutrition and Di ...
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- AGRICULTURAL SCIENCES
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AGRICULTURAL SCI ...
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and Agriculture Fore ...
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and Fish and Aquacul ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Oceanography Hyd ...
- Articles in the publication
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Aquaculture
- By the university
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University of Gothenburg
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Chalmers University of Technology
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Royal Institute of Technology
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Linnaeus University