Cage polyculture of the Pacific white shrimp Litopenaeus vannamei and the Philippines seaweed Kappaphycus alvarezii

Lombardi, Júlio Vicente; Marques, Helcio Luis de Almeida; Pereira, Ricardo Toledo Lima; Barreto, Oscar José Saleé; Paula, Édison José de

doi:10.1016/j.aquaculture.2006.04.022

Cited by 55 publications

(50 citation statements)

References 15 publications

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“…harvesting accounted for 35.5% and 6.1% of the total nitrogen and total phosphorus input into the ponds in cage poly-culture of white shrimp with seaweed Kappaphycus alvarezii [5]. This experiment also confirmed that nutrient availability in culture tank was observed to be controlled by water management system.…”

Section: Discussionsupporting

confidence: 71%

“…The use of seaweed integrated with fish culture has been studied in open water and land-based systems in Israel, Portugal, Brazil, and Indonesia [1] [5]. Seaweed performs better as a nitrogen absorber with ammonium than with nitrate which is excellent in the context of intensive fish aquaculture where most of the nitrogen is released as ammonium [6].…”

Section: Introductionmentioning

confidence: 99%

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Assessment of Nutrients in Seaweed Tank from Land Based Integrated Multitrophic Aquaculture Module

Azad¹,

Estim²,

Mustafa³

et al. 2017

GEP

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Aquaculture industry is often generating waste that negatively impact to the environment. These wastes are rich in nutrients. Seaweed can utilize these waste nutrients. This experiment was conducted in a flow-through system (FTS) and a recirculation system (RS) in land-based integrated multi-trophic aquaculture module using seaweed Kappaphycus alvarezii as one of the components. The aim was to access the efficiency of the removal of nutrients in the integrated culture. Kappaphycus alvarezii was stocked at the density of 1 kg/tank in the rectangular plastic tank with 500 L of seawater. The waste generated from integrated multi-trophic aquaculture tanks was directed towards K. alvarezii culture tank. Water samples from inlet, outlet and inside of the culture tanks were drawn to determine the nutrients, namely, total nitrogen (mg/L) and total phosphorus (mg/L). Total nitrogen and total phosphorus in the seaweed sample and from the sediment of culture tanks were also analyzed. The total nitrogen amounting to 59.5% and 61.6% nitrogen was taken up by K. alvarezii in FTS and RS culture tank, respectively. The phosphorus showed the highest deposition of 61.1% and 31.6% in the sediment of in FTS and RS culture tanks respectively, whereas only 5.5% and 3.4% of phosphorus were taken up by K. alvarezii from FTS and RS culture tanks, respectively. The percentage of nitrogen remained in water was comparatively higher by 14.2% and 27.5% than phosphorus by 8.3% and 23.0% in water of both FTS and RS culture tanks, respectively. These results indicated that this species seaweed is efficient in the removal of nitrogen from both FTS and RS culture tank.

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Section: Discussionsupporting

confidence: 71%

Section: Introductionmentioning

confidence: 99%

Assessment of Nutrients in Seaweed Tank from Land Based Integrated Multitrophic Aquaculture Module

Azad¹,

Estim²,

Mustafa³

et al. 2017

GEP

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“…The intensity of the sunlight will reduce as the depth level increase. Lombardi et al (2006) stated that the brightness of sunlight can affect the growth of seaweed. A murky water contains sediment that can also affect the growth of seaweed.…”

Section: 2mentioning

confidence: 99%

Optimization of Cultivated Seaweed Land Gracilaria sp Using Vertikultur System

Hendri

Rozirwan²,

Apri³

2017

ijms

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The production of Gracilaria sp is still not optimal and there are some opportunities left for production improvement by developing methods that use depth level as a planting media. A vertikultur method using bag nets is more effective and has higher production levels. This research aims to solve problems in cultivating Gracilaria sp seaweed by doing field optimization. Seaweeds were planted as many as 40 points for each 10 levels depth (BRL); 0, 70, 140, 210, 280, 350, 420, 560, and 630 cm from the surface. Environment and seaweed parameters were measured weekly. This research measures daily and weekly growth rate, absolute growth, and the total production. The data were analyzed using Anota test and BNJ further test. The research result shows that physic-chemistry water parameter is suitable for cultivating Gracilaria sp. The lowest weekly growth rate occurred in level BRL 10 in the first week while gaining weight as much as 9.351 gram/week. The highest growth rate occurred in level BRL 4 on the sixth week while gaining weight as much as 32.25 gram/week. The biggest absolute growth occurred in level BRL 4 with 214.87 gram and the lowest occurred in level BRL 10 with 161.45 gram. The biggest absolute growth rate occurred in level BR1 4 while gaining weight as much as 139.87 gram from the original weight and the lowest occurred in level BRL10 with 86.45 gram from the original weight. The best daily growth rate occurred in level BRL 4 with a growth rate of 2.53%/day and the lowest occurred in BRL 10 with 1.84%/day. Total production of Gracilaria sp from level BR1 1 -BR1 10 is 74,840 gram. The biggest production was obtained from level BRL 4 with the production of 8595 gram and the lowest in BRL 10 with 6458 gram. According to the anova test result and beda nyata jujur (BNJ), it shows that depth level (BR1 1 -BR1 10) gave no influence towards the growth rate of Gracilaria sp in the water of Kelagian Island. The vertikultur method by making use of depth level is both feasible and profitable for seaweed cultivators with production level ten times bigger.

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“…(Bold and Wynne, 1985;Pratiwi and Ismail, 2004), seaweed requires sunlight for the process of photosynthesis (Insan et al, 2013). While (Lombardi et al, 2006) state the factor of brightness affects growth. Muddy water containing sediment will affect growth.…”

Section: Gracilaria Sp Seaweed Weekly Growthmentioning

confidence: 99%

“…(Lombardi et al, 2006), the brightness affects growth, and the sediment attached to the thallus will block the penetration of sunlight required for photosynthesis. According to Susilowati et al (2012) and Widowati et al (2015), light intensity, nutrient supply, depth affect the seaweed growth rate.…”

Section: Daily Growth Rate (Dgr)mentioning

confidence: 99%

Gracilaria sp Seaweed Cultivation with Net Floating Method in Traditional Shrimp Pond in the Dungun River of Marga Sungsang Village of Banyuasin District, South Sumatera

Hendri

Rozirwan²,

Apri³

et al. 2018

ijms

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South Sumatera has a very large shrimp pond, most of them were abandoned and untreated. The caused is the diseases such as white spot resulted in crop failure. It requires the effort in order to optimize and utilize the pond area. One of them by cultivating the Gracilaria sp seaweed which has a high economic value, easy to cultivate and tolerant to environmental changes. This study aims to analyze the parameters of water, analyze the growth rate of Gracillaria sp seaweed with Floating Net method. The results showed that the weekly growth of Gracilaria sp in the first week was highest in the fifth MFN with a weight of 5,540 grams and the lowest on the second MFN with 5,425 grams. At the second week the highest growth of third MFN (6,021 grams) and the lowest on fourth MFN (5,797 grams). On the third week, the highest growth of third MFN (6,625 grams) and the lowest fourth MFN (6,380 grams). On the fourth week, the highest growth of third MFN (6,950 grams) and the lowest on second MFN (6,864 grams). On the fifth week, the highest growth of first MFN (7,450 grams) and the lowest third MFN (7,010 grams) and on the sixth week, the highest growth of sixth MFN (8,215 grams) and the lowest third MFN (7,120 grams). The highest growth rate was at sixth week gain weight of 895 grams (sixth MFN). While the lowest was at fifth week with the addition of weight amounted to 60 grams (third MFN). The highest average growth rate actually occurred at the third week with the addition of average weight of 3,653 grams and the lowest was at the fifth week (2,193 grams). The highest absolute growth was found in the sixth MFN with a final weight of 8,215 grams and an absolute growth rate of 3,215 grams. While the lowest weight on the third MFN with weight 7,120 grams and growth rate of 2,120 grams. There was an increase of 1.424 -1.643 times the weight of the initial weight of planting. The daily growth rate ranges from 0.84515 -1.189% /day. The DGR value is highest in the 6th of MFN with the value of 1.18922 and the lowest was in the 3rd of MFN of 0.84515% days. All of the methods (MFN) show DGR results <2% /day. Parameters of pond water are still in the range for the cultivation of Gracilaria sp.

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Cage polyculture of the Pacific white shrimp Litopenaeus vannamei and the Philippines seaweed Kappaphycus alvarezii

Cited by 55 publications

References 15 publications

Assessment of Nutrients in Seaweed Tank from Land Based Integrated Multitrophic Aquaculture Module

Assessment of Nutrients in Seaweed Tank from Land Based Integrated Multitrophic Aquaculture Module

Optimization of Cultivated Seaweed Land <i>Gracilaria sp</i> Using <i>Vertikultur</i> System

<i>Gracilaria</i> sp Seaweed Cultivation with Net Floating Method in Traditional Shrimp Pond in the Dungun River of Marga Sungsang Village of Banyuasin District, South Sumatera

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