Biofiltering of aquaculture effluents by halophytic plants: Basic principles, current uses and future perspectives

Buhmann, Anne K.; Papenbrock, Jutta

doi:10.1016/j.envexpbot.2012.07.005

Cited by 100 publications

(77 citation statements)

References 101 publications

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“…These hydraulic conditions would result in a wetland size being 0.7-2.7 times the size of the pond area for treating the polluted fishpond effluents [20,50]. There are other studies where the size of wetlands varies greatly, as shown by Buhmann and Papenbrock [10]. Based on this, it is important to calculate the right size of the wetland.…”

Section: Wetlandsmentioning

confidence: 99%

“…Research on wastewater treatment has been done using wetlands with halophytic plants (for a classification of plant species tolerant to different salinities see Buhmann and Papenbrock [10]). These plants have a high tolerance to salinity and may be used for absorption of nitrates, phosphates and other compounds.…”

Section: Salt-tolerant Plants Used As Biofilters In Wetlandsmentioning

confidence: 99%

“…The water is then recirculated back to the aquaculture system. As existing hydroponic and aquaculture farming techniques form the basis for all aquaponics systems, the size, complexity, and types of foods grown in an aquaponics system can vary as much as any system found in either distinct farming discipline [6,9,10].…”

Section: Systems Combining Aquaculture and Plantsmentioning

confidence: 99%

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Sustainable Treatment of Aquaculture Effluents—What Can We Learn from the Past for the Future?

2014

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Many aquaculture systems generate high amounts of wastewater containing compounds such as suspended solids, total nitrogen and total phosphorus. Today, aquaculture is imperative because fish demand is increasing. However, the load of waste is directly proportional to the fish production. Therefore, it is necessary to develop more intensive fish culture with efficient systems for wastewater treatment. A number of physical, chemical and biological methods used in conventional wastewater treatment have been applied in aquaculture systems. Constructed wetlands technology is becoming more and more important in recirculating aquaculture systems (RAS) because wetlands have proven to be well-established and a cost-effective method for treating wastewater. This review gives an overview about possibilities to avoid the pollution of water resources; it focuses initially on the use of systems combining aquaculture and plants with a historical review of aquaculture and the treatment of its effluents. It discusses the present state, taking into account the load of pollutants in wastewater such as nitrates and phosphates, and finishes with recommendations to prevent or at least reduce the pollution of water resources in the future.

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Section: Wetlandsmentioning

confidence: 99%

Section: Salt-tolerant Plants Used As Biofilters In Wetlandsmentioning

confidence: 99%

Section: Systems Combining Aquaculture and Plantsmentioning

confidence: 99%

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Sustainable Treatment of Aquaculture Effluents—What Can We Learn from the Past for the Future?

2014

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“…Attempts to treat aquaculture wastewater have ranged from the use of constructed wetlands (Buhmann and Papenbrock, 2013), settling basis (Jones et al, 2001;Engle and Valderrama, 2003), artificial substrates (Stewart et al, 2006;Arnold et al, 2009), bivalve filtration (Jones et al, 2001), reduction of water discharge (Hopkins et al, 1993), and more recently, use of microbial-based zero or lowwater exchange rearing systems (Wasielesky et al, 2006;Avnimelech, 2007;Ballester et al, 2010;Crab et al, 2012;Hende et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Bioavailability of crude protein and lipid from biofloc meals produced in an activated sludge system for white shrimp, Litopenaeus vannamei

2015

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-The present study compared the bioavailability of crude protein and lipid from biofloc meals generated with an activated sludge system using two water sources: wastewater from shrimp experimental culture (BFL-W) and, artificially, using clean seawater (BFL-C). The sludge system operated by chemical and organic fertilization three times per week. Sampling of bioflocs occurred every two days during 81 days. To evaluate digestibility, each type of biofloc meal was incorporated into a reference diet (REF) at 300 g/kg. Another diet acted as a negative control (NEG) by using fish waste meal. The apparent digestibility of bioflocs was estimated by the indirect method using chromic oxide (Cr 2 O 3 ) as the inert marker at 10 g/kg of the diet. Juvenile L. vannamei of 5.09±0.79 g (n = 440) were stocked at 10 shrimp/tank in 44 tanks of 61 L each that operated under a water recirculating regime. Biofloc meals contained a high ash content (591.0-649.2 g/kg) combined with a low crude protein content (95.9-137.3 g/kg). After 26 days, shrimp achieved a final survival of 93.2±0.8% and a biomass gain of 37.1±1.8 g/tank. Final shrimp body weight ranged from 9.01±0.15 to 9.45±0.13 g. The apparent digestibility coefficient (ADC) of crude protein in the biofloc produced from BFL-W, BFL-C and fish waste meal (NEG) reached 26.0, 25.7, and 64.1%, respectively. Similarly, the lipid ADC was 78.9, 67.9, and 85.8%, respectively. This study indicated that biofloc meals had a low protein availability for L. vannamei. However, although low levels of lipid were present, it proved to be available for the species. The dietary inclusion of biofloc meal appears to have a growth-promoting effect on shrimp, which may be associated with trace minerals, or other nutrients not identified in this study.

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“…Since then, CWs have been set up to provide flood control, to offset the decline in natural wetlands resulting from agriculture and urban development, to improve water quality, and for food production [184,185]. In relation to aquaculture, CWs to date have been mainly used for the rearing of shrimp, crayfish, and commercial fish species and for the treatment of freshwater aquaculture effluent [186][187][188][189][190][191]. Two basic flow regimes have been devised for CWs, free surface flow (SF) and subsurface flow (SSF).…”

Section: Halophyte Wetlands (On-land)mentioning

confidence: 99%

The Development of Sustainable Saltwater-Based Food Production Systems: A Review of Established and Novel Concepts

Gunning

Maguire

Burnell

2016

Water

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Abstract:The demand for seafood products on the global market is rising, particularly in Asia, as affluence and appreciation of the health benefits of seafood increase. This is coupled with a capture fishery that, at best, is set for stagnation and, at worst, significant collapse. Global aquaculture is the fastest growing sector of the food industry and currently accounts for approximately 45.6% of the world's fish consumption. However, the rapid development of extensive and semi-extensive systems, particularly intensive marine-fed aquaculture, has resulted in worldwide concern about the potential environmental, economic, and social impacts of such systems. In recent years, there has been a significant amount of research conducted on the development of sustainable saltwater-based food production systems through mechanical (e.g., recirculatory aquaculture (RAS) systems) methods and ecosystem-based approaches (e.g., integrated multi-trophic aquaculture (IMTA)). This review article will examine the potential negative impacts of monocultural saltwater aquaculture operations and review established (RAS) and novel (IMTA; constructed wetlands; saltwater aquaponics) saltwater-based food production systems and discuss their (potential) contribution to the development of sustainable and environmentally-friendly systems.

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Biofiltering of aquaculture effluents by halophytic plants: Basic principles, current uses and future perspectives

Cited by 100 publications

References 101 publications

Sustainable Treatment of Aquaculture Effluents—What Can We Learn from the Past for the Future?

Sustainable Treatment of Aquaculture Effluents—What Can We Learn from the Past for the Future?

Bioavailability of crude protein and lipid from biofloc meals produced in an activated sludge system for white shrimp, Litopenaeus vannamei

The Development of Sustainable Saltwater-Based Food Production Systems: A Review of Established and Novel Concepts

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