Constructed wetlands as a treatment method for effluents from intensive trout farms

Sindilariu, Paul-Daniel; Wolter, Christian; Reiter, Reinhard

doi:10.1016/j.aquaculture.2008.02.026

Cited by 55 publications

(25 citation statements)

References 25 publications

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“…Waste removal through final treatment facilities is needed (Cripps and Bergheim 2000). Different mechanical treatment methods like screens or sedimentation basins (Cripps and Bergheim 2000) or even biological treatment devices like constructed wetlands (Sindilariu et al , 2008 can be used to reduce nutrient levels in effluent.…”

Section: Introductionmentioning

confidence: 99%

Impact of trout aquaculture on water quality and farm effluent treatment options

Sindilariu¹,

Reiter²,

Wedekind³

2009

Aquat. Living Resour.

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-In the context of the European Water Framework Directive, the in-and outflow water quality from 13 German trout farms, rearing mainly rainbow trout (Oncorhynchus mykiss) and using inflow rates between 0.03-0.80 m 3 s −1 , were monitored for point-source pollution. The farms had a significant effect on the effluent quality and macro-invertebrate fauna in adjacent streams (saprobic index based on species assemblage and abundance was 1.56-2.10 upstream of the farms but increased to 2.06-2.37 downstream of the farms). Inflow water quality, type of rearing unit, feeding intensity (amount of feed input in relation to water resources) and effluent treatment method could be used to predict effluent quality by 50 to 88% for most water characteristics. Based on these results, different effluent treatment options were monitored for their treatment performance. Concrete sedimentation basins 11 m × 7 m × 1.2 m and 5.5 m × 3.3 m × 1.5 m (L × W × H), respectively, used for total farm effluent had little or no treatment effects. The micro-screen examined was relatively effective on particulate water components, measured as total phosphorous (TP), biochemical oxygen demand (BOD 5 ), chemical oxygen demand (COD) and total suspended solids (TSS), resulting in treatment efficiencies of 29-53%, which is less than expected from data in the literature. The constructed wetland examined showed the highest treatment efficiency: more than 35% for TP, COD, BOD 5 , TSS and total ammonia nitrogen (TAN). From these results and data from the literature, treatment strategies for trout farm effluents can be developed, depending on the rearing system and production intensity. Key words:Aquaculture ecological impact / Trout farming / Effluent quality / Effluent treatment / Sedimentation basins / Constructed wetlands Résumé -Impact de l'aquaculture des truites sur la qualité de l'eau et les traitements des rejets aquacoles. Dans le contexte de la directive cadre européenne sur l'eau, la qualité de l'eau, en entrée et en sortie, a été suivie sur 13 piscicultures allemandes de truites, élevant principalement des truites arc-en-ciel (Oncorhynchus mykiss) et utilisant des débits d'entrée de 0,03 à 0,80 m 3 s −1 , pour évaluer les sources de pollution. Les piscicultures ont un effet significatif sur la qualité des effluents et la faune de macro-invertébrés des rivières voisines (l'index saprobique, basé sur l'assemblage et l'abondance des espèces, est de 1,56 à 2,10 en amont des piscicultures mais augmente en aval : 2,06 à 2,37). La qualité des entrées d'eau, le type d'unité d'élevage, l'intensité de l'alimentation (quantité de nourriture fournie en relation avec les ressources en eau) et la méthode de traitement des effluents peuvent être utilisés pour prédire leur qualité de 50 à 88 % pour la plupart des caractéristiques de l'eau. D'après ces résultats, les différentes options de traitement sont contrôlées pour leur performance. Des bassins de sédimentation en béton 11 m × 7 m × 1,2 m et 5,5 m × 3,3 m × 1,5 m (longueur × largeur × profondeur...

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Section: Introductionmentioning

confidence: 99%

Impact of trout aquaculture on water quality and farm effluent treatment options

Sindilariu¹,

Reiter²,

Wedekind³

2009

Aquat. Living Resour.

Self Cite

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“…A number of studies have demonstrated the effectiveness of halophyte CWs in the removal of nitrogen, phosphorus, and suspended solids, while providing a crop that has a number of commercial applications [185,[196][197][198][199][200][201][202][203][204][205][206][207][208][209][210]. However, halophyte CWs require an extensive area and would not be suitable in locations with a high land price.…”

Section: Discussionmentioning

confidence: 99%

“…However, CWs require relatively extensive areas of land, and would not be suitable in locations where land prices are high. The cost of CW operations could, however, be offset by exploiting them as a natural park or tourist attraction (eco-tourism) [184,198,199]. As the maintenance of the CW is low, the farm may not need to employ many (or any) additional staff, however, the construction of the wetland and harvesting of the halophyte crops may provide additional, short-term employment.…”

Section: Halophyte Wetlands (On-land)mentioning

confidence: 99%

“…Therefore, the cost of the construction and operation of a CW for, for example, 500 tons of fish would be €100,000. With a conservative price of €6 kg −1 (FW) the income from 23 tons of S. persica is expected to be €138,000 based on gross calculations [184,199]. Marsh samphire (S. europaea) has also been shown to have significant potential in the treatment of aquaculture effluent.…”

Section: Halophyte Wetlands (On-land)mentioning

confidence: 99%

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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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“…The demand for aquaculture products is increasing worldwide [3], [4]. Aquaculture is the fastest growing animal food-producing sector [5], [6].…”

Section: Introductionmentioning

confidence: 99%

Investigation and monitroing of tetracycline and degradation products in waters of trout farm

Topal¹

2017

Pamukkale J Eng Sci

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Constructed wetlands as a treatment method for effluents from intensive trout farms

Cited by 55 publications

References 25 publications

Impact of trout aquaculture on water quality and farm effluent treatment options

Impact of trout aquaculture on water quality and farm effluent treatment options

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

Investigation and monitroing of tetracycline and degradation products in waters of trout farm

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