A new integrated multi-trophic aquaculture system consisting of Styela clava, microalgae, and Stichopus japonicus

Bao, Jingjing; Xing, Ronglian; Ai-li, Jiang

doi:10.1007/s10499-014-9829-8

Cited by 9 publications

(6 citation statements)

References 29 publications

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“…In that study, fish effluents in microalgae raceways were diluted with a dilution rate of 70% ± 10% per day (much higher than our study) to reduce total ammonia concentrations; the microalgae in raceways removed 67% (21.3 mg N m -2 d -1 ) NH 4 -N and 46.6 % (2.8 mg P m -2 d -1 ) PO 4 -P. In a recent study using microalgae photo-bioreactors to treat tilapia RAS effluent, Michels et al (2014) found when extra phosphate was added into the wastewater, the N removal efficiency was improved from 49.4 % to 99.7 % (the P removal efficiency was always more than 99 %). More recently, a IMTA system combining the tunicate Styela clava and the sea cucumber Stichopus japonicus removed 54% of dissolved inorganic nitrogen (DIN) and 50% of PO 4 -P, keeping the nutrients at low levels (i.e., C DIN < 0.2 mg L -1 and C P < 0.02 mg L -1 ) (Ju et al, 2015). IMTA system was indoors and the Styela clava concentration was kept at low level, around 200-300 ind.…”

Section: Discussionmentioning

confidence: 99%

Bioremediation of fishpond effluent and production of microalgae for an oyster farm in an innovative recirculating integrated multi-trophic aquaculture system

Callier

Blancheton

et al. 2019

Aquaculture

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Integrated multi-trophic aquaculture (IMTA) systems are a promising solution for sustainable aquaculture combining nutrient recycling with increased biomass production. An innovative land-based recirculating aquaculture system (RAS) was studied in France for a 60-day experiment. It combined a European sea bass (Dicentrarchus labrax) RAS with two other production systems: high rate algal ponds (HRAP) with natural marine polyspecific algal assemblages, and oysters in separate open tanks. The objective was the assessment of: 1) the efficiency and the stability of the microalgae bioremediation of the effluent from a fish RAS in spring and summer, 2) the abundance and the diversity patterns of the microalgae biomass for consumption in the oyster compartment of the IMTA. Silicate was added every week after the beginning of the experiment for maintaining a Si:N:P molar ratio of 10:5:1 in the HRAP to encourage the growth of diatoms. The HRAP have an overall removal efficiency of 98.6 ± 0.2% for NO3-N, 98.0 ± 0.4% for NO2-N, 97.3 ± 0.7% for NH4-N and 96.1 ± 0.6% for PO4-P, with removal rates of 335.8 ± 0.8, 23.6 ± 0.2, 30.9 ± 0.2, and 22.3 ± 0.2 mg m−2 d−1, respectively. The concentration of total suspended solid (TSS) and chlorophyll a (chl a) increased during the experiment and reached maximum values on day 46 (135.3 ± 34.7 mg TSS L−1 and 0.42 ± 0.03 mg chl a L−1) after which the microalgae collapsed due to a CO2 limitation (pH ca. 10). Sequencing analysis revealed that the microalgae community was dominated by Tetraselmis sp. from day 1 to day 16 (45.7% to 73.8% relative abundance). From day 30 to day 43 the culture was dominated by diatoms, Phaeodactylum sp. (83.4% to 98.1% relative abundance). Although the stable carbon isotope signatures confirmed that the microalgae were consumed, oysters' growth was limited in the RAS-IMTA, suggesting that oysters were under stress or not fed enough. Highlights ► Microalgae-based-IMTA has potential for N/P bioremediation. ► Adding silicate shifted algae to diatom of interest for oysters.

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Section: Discussionmentioning

confidence: 99%

Bioremediation of fishpond effluent and production of microalgae for an oyster farm in an innovative recirculating integrated multi-trophic aquaculture system

Callier

Blancheton

et al. 2019

Aquaculture

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“…Phytoplankton (live foods) which is eaten by zooplankton forms the basis of the food chain [19]. Moreover, [39] examined the possibility of the integrated multi-trophic aquaculture (IMTA) model consisting of Styela clava , microalgae, and Stichopus japonicus , in which microalgae could remove dissolvable nutrients produced by S. clava and S. japonicus to maintain the dissolvable nutrients at a lower level, and provide sufficient dissolved oxygen in the water body through photosynthesis at the same time. Additionally, live foods contain all the essential nutrients including protein, vitamins, and minerals together with essential PUFAs which are transferred through the food chain [53] and consequently, are commonly known as “living capsules of nutrition”.…”

Section: Discussionmentioning

confidence: 99%

Cultivation of Arthrospira (Spirulina) platensis using confectionary wastes for aquaculture feeding

El-Kassas

Heneash

Hussein

2015

Journal of Genetic Engineering and Biotechnology

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The microalga biomass production from confectionary effluent is a possible solution for the urgent need for a live food in aquaculture. Arthrospira (Spirulina) platensis was the dominant alga in effluent of ''Biscomisr a confectionary factory", in Alexandria-Egypt. Therefore, it was isolated from the effluent samples and used throughout the study. The cyanobacterium, A. platensis was grown on the effluent using 2 2 Central Composite Design (2 2 CCD). This work addresses the best effluent dilution (WC, %) as well as sodium bicarbonate concentration (SBC) on the alga growth and biochemical composition. Total protein, carbohydrate, lipid contents and fatty acid profiles of the produced algal biomass were highly improved. The statistical analyses suggested that the main effect of (WC, %) is significant negative influences on the algal contents of proteins, lipids and carbohydrates (p > 0.01). Although it had a significant positive influence on chlorophyll (p > 0.01), no significant effect on algal b carotenes (p > 0.05) had been reported. The inter action effect of SBC together with WC, % exerted a significant negative influence on the algal proteins (p > 0.01) and no significant effect on the other responses (p > 0.05). The produced alga biomass was used for feeding the rotifer, Brachionus plicatilis for further application in aquaculture. Growth rate, reproductive rate and fecundity attributes, fatty acid content of B. plicatilis were amended. The Pearson correlation test indicated that b carotenes displayed a highly positive significant correlation with the growth rate of B. plicatilis (r = 0.733, p < 0.01) and the carbohydrates showed significant positive correlations with Egg % (r = 0.657, p < 0.05).Ó 2015 Production and hosting by Elsevier B.V. on behalf

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“…Conversely, allied with the filtration process is particle retention efficiency. Various approaches have shown that the diet of ascidians mainly comes from smaller particles [particulate organic matter (POM) < 20 µm] (Ju et al, 2015(Ju et al, , 2016, picophytoplankton (<2 µm), and phytoplankton biomass (Riisgärd and Larsen, 2016). Moreover, Lacoste et al (2016) verified an overall lack of food selectivity.…”

Section: Ascidians As Organic Matter Extractive Speciesmentioning

confidence: 99%

“…This biofouling ascidian, with a fast-growing rate (Ramsay et al, 2008b, Lutz-Collins et al, 2009, that contributes to organic sedimentation (Guyondet et al, 2016), and prefers unfouled sites, dark and sheltered areas (Paetzold et al, 2012) does not necessarily have negative impacts on all bivalves or other organisms, further research is needed. Recently, some studies investigated the impacts of the presence of ascidian S. clava in an IMTA framework to optimize the growth of the sea cucumber A. japonicus (Zhen et al, 2014;Ju et al, 2015Ju et al, , 2016. These studies have shown that an IMTA framework consisting of ascidiansea cucumbers-microalgae, not only has the potential to reduce organic matter in the surrounding sediment (Ju et al, 2015), it can also reduce harmful bacteria (Lin et al, 2016) and purify the water body from dissolved nutrients such as nitrogen and phosphorus (Ju et al, 2015).…”

Section: Ascidians Incorporated In Integrated Multi-trophic Aquacultu...mentioning

confidence: 99%

Potential of Ascidians as Extractive Species and Their Added Value in Marine Integrated Multitrophic Aquaculture Systems–From Pests to Valuable Blue Bioresources

2022

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Ascidians are considered as filter-feeder biofouling pests that negatively affect aquaculture facilities. However, they can also be recognized as a potential co-cultured/extractive species for integrated multi-trophic aquaculture (IMTA) with potential added value as bioresources. A systematic review aiming to understand the ecological importance of ascidians as efficient filter-feeders [What?]; their potential contribution as extractive species [How?]; and to set the benchmark for their nutritional value and potential added value to the aquaculture industry [For what?] is a timely contribution to advance the state of the art on these largely overlooked bioresources. In the last two decades, there has been an overall increase in publications addressing ascidians in aquaculture, namely, their negative impacts through biofouling, as well as their role in IMTA, environmental status, and microbiology. While Ciona intestinalis, a solitary ascidian, has been the most studied species, overall, most ascidians present high filtration and fast-growth rates. As ascidians perform well under IMTA, competition for resources and space with other filter-feeders might occur, which may require additional management actions to optimize production. Studies addressing their bioactive products show that ascidians hold great potential as premium ingredients for aquafeed formulations, as well as dietary supplements (e.g., amino acids, fatty acids). Further research on the potential use of ascidians in IMTA frameworks should focus on systems carrying capacity.

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A new integrated multi-trophic aquaculture system consisting of Styela clava, microalgae, and Stichopus japonicus

Cited by 9 publications

References 29 publications

Bioremediation of fishpond effluent and production of microalgae for an oyster farm in an innovative recirculating integrated multi-trophic aquaculture system

Bioremediation of fishpond effluent and production of microalgae for an oyster farm in an innovative recirculating integrated multi-trophic aquaculture system

Cultivation of Arthrospira (Spirulina) platensis using confectionary wastes for aquaculture feeding

Potential of Ascidians as Extractive Species and Their Added Value in Marine Integrated Multitrophic Aquaculture Systems–From Pests to Valuable Blue Bioresources

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