Sustainable aquaculture in ponds: Principles, practices and limits

Bosma, R.H.; Verdegem, Marc

doi:10.1016/j.livsci.2011.03.017

Cited by 168 publications

(96 citation statements)

References 69 publications

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“…Aquaculture is the world's fastest growing food production system and is expected to continue to increase in importance as returns from wild capture fisheries decline (FAO, 2009). The global expansion of aquaculture, however, has often been associated with a variety of negative environmental impacts (Beveridge et al, 1997;Bosma and Verdegem, 2011) and an important consideration in the development of inland saline aquaculture is to prevent any further degradation of land and water resources. Partridge et al (2008) reviewed technical constraints on inland saline aquaculture in Australia and identified pond production, using groundwater from established public or private interception schemes, as the most promising option for future development.…”

Section: Introductionmentioning

confidence: 99%

The potential of a salt-tolerant plant (Distichlis spicata cv. NyPa Forage) to treat effluent from inland saline aquaculture and provide livestock feed on salt-affected farmland

Lymbery

Kay

Doupé

et al. 2013

Science of The Total Environment

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Dryland salinity is a major problem affecting food production from agricultural land in Australia and throughout the world. Although there is much interest in using saline groundwater to grow marine fish on salt-affected farmland, the disposal of nutrient enriched, saline aquaculture effluent is a major environmental problem. We investigated the potential of the salt-tolerant NyPa Forage plant (Distichlis spicata L. Greene var. yensen-4a) to trap nutrients from saline aquaculture effluent and subsequently to provide a fodder crop for livestock. Sub-surface flow wetlands containing NyPa Forage were constructed and their efficacy in removing total nitrogen, ammonia, nitrite/nitrate, total phosphorus and orthophosphate was monitored under different levels of nutrients and salinity. The wetlands removed 60 -90% of total nitrogen loads and at least 85% of ammonia, nitrite/nitrate, total phosphorus and orthophosphate loads, with greater efficiency at high nutrient and low salinity levels. The above-ground yield, sodium, crude protein (CP) and in vitro dry matter digestibility (DMD) of NyPa Forage plants were measured after fertilisation with different nutrient levels and cropping at different frequencies. Yield of plants increased with increased nutrient, while nutritive value was greater when nutrients were applied but did not differ among nutrient levels. Yield was not affected by cropping frequency, but nutritive value was greatest when plants were cropped at intervals of 21 or 42 days. At optimum nutrient addition and cropping levels, the plants had a mean CP content of 16.7 % and an in vitro DMD of 67.6 %, equivalent to an energy value of 9.5 MJ kg -1 . Assuming an equivalent fibre content and voluntary food intake as grass hay, and no accumulation of other toxic minerals, these nutritive values would be sufficient for maintenance or moderate liveweight gains in dry adult sheep or cattle. Keywords:salinity; inland saline aquaculture; effluent; constructed wetlands; saltland pasture; agri-aquaculture 3 IntroductionSecondary salinisation, in which human activities lead to high concentrations of ions (principally sodium and chloride) in the landscape, is a major environmental problem affecting freshwater and soil in many arid and semi-arid areas of the world (Ghassemi et al., 1995;Rozema and Flowers, 2008). Secondary salinisation occurs because of rising water tables, as a result of irrigation (irrigation salinity) or land clearing (dryland salinity). It is a particular problem in economically less-developed countries (e.g. India, Tunisia, Morocco, Peru and Bolivia) although more-developed regions, such as Australia, may also be badly affected (Rozema and Flowers, 2008). In Australia, the widespread clearing of native vegetation has resulted in approximately 5.7 M ha of agricultural land being adversely affected by dryland salinity, and this figure may grow to 17 M ha by 2050 (National Land and Water Resources Audit, 2001).The salinisation of agricultural land in arid regions is largely irreversible because ...

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Section: Introductionmentioning

confidence: 99%

The potential of a salt-tolerant plant (Distichlis spicata cv. NyPa Forage) to treat effluent from inland saline aquaculture and provide livestock feed on salt-affected farmland

Lymbery

Kay

Doupé

et al. 2013

Science of The Total Environment

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“…Entende-se que os 27% de proteína digestível deve ser oferecidos aos girinos de rã-touro. Dietas com menores teores de proteína digestível apresentam preços menores no mercado (SEIXAS FILHO, 2009) e podem diminuir o impacto da poluição, ocasionado pelos resíduos da produção (AMIRKOLAIE, 2011;BOSMA & VERDEGEM, 2011). O ganho de peso de 6,58g dos animais, alimentados com a dieta de 27% de PD e 2.700kcal/kg, foi superior aos 4,95 g para girinos alimentados com ração composta de 28% proteína bruta (PB) para peixes (SEIXAS FILHO et al, 2011), durante os mesmo 60 dias experimentais, na mesma temperatura e na mesma densidade populacional deste trabalho.…”

Section: Resultsunclassified

Desempenho zootécnico de girinos de rã-touro com diferentes níveis de proteína e energia digestíveis

Filho

Navarro

Pereira

et al. 2012

Rev. bras. saúde prod. anim.

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A partir dos valores de digestibilidade de alguns ingredientes foram propostas dietas, com diferentes níveis de proteína e energia digestíveis, em esquema fatorial 3 x 3, destinadas a girinos de rã-touro para avaliar o desempenho zootécnico. O experimento, com duração de 60 dias, foi conduzido com 810 girinos, oriundos da mesma desova, distribuídos em 27 caixas de polipropileno, em uma densidade de 1girino/L. O delineamento experimental foi um esquema fatorial com três níveis de proteína digestível (27; 31 e 35%) e três níveis de energia digestível (2.700; 2.800 e 2.900kcal/kg) com três réplicas. Os parâmetros avaliados aos 60 dias foram ganho de peso, consumo da dieta, consumo em proteína da dieta, conversão alimentar, taxa de eficiência proteica e índice de sobrevivência. Os resultados foram submetidos à análise de variância e ao teste de Duncan (95% de precisão). Os resultados encontrados não apresentaram interação entre proteína e energia digestível para nenhum parâmetro avaliado. Em relação à proteína digestível, foram verificadas diferenças nos parâmetros consumo em proteína da dieta e taxa de eficiência proteica (TEP), o que demonstra ineficiência das dietas com altos valores proteicos. Deve-se oferecer aos girinos de rã-touro dietas com 27% de proteína digestível, por apresentarem melhor resultado para taxa de eficiência proteica e para consumo em proteína da dieta.

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“…Although, many researchers have worked on water requirements of various agricultural crops, even for the entire growing season (Ali and Talukder, 2008;Molden et al, 2010), only few studies have been reported so far on water requirement of sub-tropical and tropical fish (Boyd,1982;Teichert-coddingten et al, 1988;Green and Boyd, 1995;Mohanty et al, 2009). Also, a very little basic work has also been carried out on water budgets based on pond measurements for different type of systems/ponds and in different climatic conditions (Boyd and Gross, 2000;Boyd, 2005;Boyd et al, 2007;Verdegem et al, 2006;Verdegem and Bosma, 2009;Bosma and Verdegem, 2011). In this backdrop, an attempt was made to quantify the total water requirement and consumptive water use along with feeding management for improving water quality and growth performance of black tiger shrimp in grow-out culture under recommended package of practice.…”

Section: Introductionmentioning

confidence: 99%

Untitled

Mohanty¹,

Mishra²,

Patil³

2014

Turk. J. Fish. Aquat. Sci.

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We quantify the total water use (TWU) and consumptive water use index (CWUI) in grow-out culture of Penaeus monodon at different water and feeding management protocols using the water balance equation. Under two different water management protocols, treatment-wise TWU, was 2.09 and 2.43 ha-m 122 d -1 in T 1 (no water exchange) and T 2 (water exchange on 'requirement' basis depending on water quality), respectively. The computed CWUI (m 3 kg -1 biomass), was 5.35 and 6.02 in T 1 and T 2 , respectively. Lower rates of water exchange (T 2 ) showed significantly improved water quality, crop performance and productivity over the zero water exchange protocol. Similarly, under three different feed management protocols, treatment-wise estimated TWU was 2.52, 2.44 and 2.41 ha-m 119d -1 , while the computed CWUI was 7.28, 6.88 and 6.34 in T 1 (Regular feeding, 4-times a day), T 2 (2-weeks feeding followed by 1-week no feed) and T 3 (4-weeks feeding followed by 1-week no feed), respectively. Higher the feed input, higher was the TWU and CWUI. It was also recorded that longer the refeeding period, higher was the growth performance and yield as in the case of T 3 . This feeding practice also helped in lowering the feed input (7.5% in T 2 and 5.5% in T 3 ), thus minimizes the input cost and improve production efficiency.

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Sustainable aquaculture in ponds: Principles, practices and limits

Cited by 168 publications

References 69 publications

The potential of a salt-tolerant plant (Distichlis spicata cv. NyPa Forage) to treat effluent from inland saline aquaculture and provide livestock feed on salt-affected farmland

The potential of a salt-tolerant plant (Distichlis spicata cv. NyPa Forage) to treat effluent from inland saline aquaculture and provide livestock feed on salt-affected farmland

Desempenho zootécnico de girinos de rã-touro com diferentes níveis de proteína e energia digestíveis

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