Assessing stakeholder's experience and sensitivity on key issues for the economic growth of organic aquaculture production

Lembo, Giuseppe; Jokumsen, Alfred; Spedicato, María Teresa; Facchini, Maria Teresa; Bitetto, Isabella

doi:10.1016/j.marpol.2017.10.005

Cited by 28 publications

(21 citation statements)

References 27 publications

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“…Organic fish culture intends to defend fish from injury, environmental hazards, parasite infestations, and disease outbreaks through low stocking of fish, with resulting benefits on animal welfare, but also on maintaining and enhancing water quality (Censkowsky and Altena 2013;Bergleiter and Meisch 2015). Low stocking density is considered suitable because of its implications for fish welfare, which also favor the maintenance of good water quality (Lembo et al 2018). It has been shown that maintaining fish welfare in organic aquaculture is possible, through regular monitoring (Seibel et al 2018).…”

Section: Environmental Benefitsmentioning

confidence: 99%

“…The appearance of organic fish culture is related to rising widespread concerns about consumer acceptance, food safety and quality, eco-labeling, animal welfare, and minimizing environmental hazards (Aarset et al 2004;Cottee and Petersan 2009;Censkowsky and Altena 2013;Xie et al 2013;Lembo and Mente 2019). The experience, knowledge, and preferences of stakeholders on these key issues must be considered for the further development of organic aquaculture (Lembo et al 2018).…”

Section: Introductionmentioning

confidence: 99%

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Organic aquaculture productivity, environmental sustainability, and food security: insights from organic agriculture

2020

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Organic aquaculture originated from the organic agriculture movement. Organic fish farming is an ecosystem-based management system, which was developed as a potential substitute to address environmental constraints faced by intensive aquaculture. However, the transformation from conventional aquaculture to organic aquaculture is a multidimensional, complex, and expensive process. The further development of organic aquaculture can be enhanced by establishing uniform organic aquaculture standards. Converting to organic aquaculture brings a wide range of environmental advantages. Nevertheless, organic yields are significantly lower than those of modern aquaculture, which will reduce its contribution to global food security. To meet global demand for fish and seafood from an increasing human population, food production from aquaculture must be enhanced since production from capture fisheries has remained stagnant. Because aquaculture is associated with various environmental constraints, a further increase in fish production will encounter diverse environmental challenges. Greater use of organic aquaculture practices will help to diminish environmental footprints of aquaculture. We propose that fish production could increase through the sustainable intensification of a combination of production systems, including polyculture, integrated aquaculture, and organic aquaculture.

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Section: Environmental Benefitsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Organic aquaculture productivity, environmental sustainability, and food security: insights from organic agriculture

2020

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“…-In contrast, many consumers and producers prefer other strategies related to the environment surrounding aquaculture farms. Lembo et al (2018) showed that in order to minimize the environmental impact of aquaculture, stakeholders placed the highest value on the prevention of chemical waste, namely nitrogen and phosphorus, and on the increase of feed efficiency in terms of fish meal and oil used. -Along these lines, prior to the arrival to the farm, feed production has also an environmental impact that is commonly measured by the energy use (MJ equiv.…”

Section: Proposed Criteriamentioning

confidence: 99%

Determination of feeding strategies in aquaculture farms using a multiple-criteria approach and genetic algorithms

2019

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Since the 1990s, fishing production has stagnated and aquaculture has experienced an exponential growth thanks to the production on an industrial scale. One of the major challenges facing aquaculture companies is the management of breeding activity affected by biological, technical, environmental and economic factors. In recent years, decision-making has also become increasingly complex due to the need for managers to consider aspects other than economic ones, such as product quality or environmental sustainability. In this context, there is an increasing need for expert systems applied to decision-making processes that maximize economic efficiency of the operational process. One of the production planning decisions more affected by these changes is the feeding strategy. The selection of the feed determines the growth of the fish, but also generates the greatest impact of the activity on the environment and determines the quality of the product. In addition, feed is the main production cost in finfish aquaculture. In order to address all these problems, the present work integrates a multiple-criteria methodology with a genetic algorithm that allows determining the best sequence of feeds to be used throughout the fattening period, depending on multiple optimization objectives. Results show its utility to generate and evaluate different alternatives and fulfill the initial hypothesis, demonstrating that the combination of several feeds at precise times may improve the results obtained by one feed strategies.

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“…Organic aquaculture is a fairly young sector of food production (Lembo et al, 2018). The earliest standard was established in 1994 in Austria for common carp ( Cyprinus carpio ) (Bergleiter, Berner, Censkowsky, & Guliá‐Camprodon, 2009).…”

Section: Introductionmentioning

confidence: 99%

“…The negative effects of fish farming could be mainly reduced by improving feeding practices: feed delivery control to minimize feed wastage. This could also be achieved by the extensive development and implementation of new practices in the aquaculture sector, such as the use of deposit feeder organisms in integrated multi‐trophic aquaculture (IMTA) systems (Neofitou, Lolas, et al, 2019; Tolon, Emiroglu, Gunay, & Ozgul, 2017) or the growth of organic aquaculture production (Lembo, Jokumsen, Spedicato, Facchini, & Bitteto, 2018).…”

Section: Introductionmentioning

confidence: 99%

The benthic environmental footprint of aquaculture in the Eastern Mediterranean: Organic vs conventional fish farming

et al. 2020

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A field experiment was carried out in a fish farm of the Eastern Mediterranean in order to evaluate the benthic environmental footprint of the organic versus the conventional fish farming. The highest values of chl α were recorded at the conventional culture during both studied seasons. The organic matter and organic carbon rates recorded at the conventional culture were significantly higher than those observed at the organic culture in both studied seasons (p < .05). Furthermore, in all cases the quality characteristics of benthic community variables were optimum at the organic culture compared to the conventional one and similar to those of the control. SIMPER analysis showed that the maximum average dissimilarity occurred between organic and conventional culture, while the main contributor species for this dissimilarity was the polychaete Capitella capitata. Multidimensional scaling (MDS) ordination plot indicated clearly a separation of the organic and conventional fish farming during both studied seasons. K‐dominance curves revealed a clear difference in elevation, mainly during summer. M‐AMBI index showed a poor to moderate environment for conventional culture, while organic one was good to high and similar to the control site (high). The results indicated the lower environmental footprint of the organic fish farming compared to the conventional, demonstrating its potential as an important management tool, which could play a significant ecological role for the sustainability of aquaculture in the Mediterranean region.

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Assessing stakeholder's experience and sensitivity on key issues for the economic growth of organic aquaculture production

Cited by 28 publications

References 27 publications

Organic aquaculture productivity, environmental sustainability, and food security: insights from organic agriculture

Organic aquaculture productivity, environmental sustainability, and food security: insights from organic agriculture

Determination of feeding strategies in aquaculture farms using a multiple-criteria approach and genetic algorithms

The benthic environmental footprint of aquaculture in the Eastern Mediterranean: Organic vs conventional fish farming

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