Selection of marine fish for integrated multi-trophic aquaponic production in the Mediterranean area using DEXi multi-criteria analysis

Rossi, Lorenzo; Bibbiani, Carlo; Fierro-Sañudo, Juan F.; Maibam, Chingoileima; Incrocci, Luca; Pardossi, Alberto; Fronte, Baldassare

doi:10.1016/j.aquaculture.2021.736402

Cited by 17 publications

(13 citation statements)

References 118 publications

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“…This can be illustrated using the case study of aquaponic systems, which approaches the emerging and inclusive CE paradigm [30], boosting its rich runoff effluents in terms of nutrient recycling (e.g., from nitrogenous fish waste) and fish wastewater treatment (i.e., in recirculating aquaculture systems) and, thus, minimizing external waste (nutrients and water) streams. Aquaponics is a sustainable food and/or biomass production NBS_u in which aquatic organisms (aquaculture) are coupled with horticultural soilless crop production (hydroponics), with the metabolic wastes produced by the fish being transformed via nitrification (bioremediation) for use as fertilizers (nutrients) for plants.…”

Section: The Current Sectoral View Against a Much-needed Holistic/systemic Approach To Circular Management Of Resources In Citiesmentioning

confidence: 99%

“…Aquaponics is a sustainable food and/or biomass production NBS_u in which aquatic organisms (aquaculture) are coupled with horticultural soilless crop production (hydroponics), with the metabolic wastes produced by the fish being transformed via nitrification (bioremediation) for use as fertilizers (nutrients) for plants. These processes were recently investigated in depth [30][31][32][33]. A case study in Berlin (Germany) showed that the total demand for fish and vegetable production (tomato and lettuce) could be provided by aquaponics [34].…”

Section: The Current Sectoral View Against a Much-needed Holistic/systemic Approach To Circular Management Of Resources In Citiesmentioning

confidence: 99%

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Towards a Cross-Sectoral View of Nature-Based Solutions for Enabling Circular Cities

Langergraber

Castellar

Andersen

et al. 2021

Water

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A framework developed by the COST Action Circular City (an EU-funded network of 500+ scientists from 40+ countries; COST = Cooperation in Science and Technology) for addressing Urban Circularity Challenges (UCCs) with nature-based solutions (NBSs) was analyzed by various urban sectors which refer to different fields of activities for circular management of resources in cities (i.e., reducing use of resources and production of waste). The urban sectors comprise the built environment, urban water management, resource recovery, and urban farming. We present main findings from sector analyses, discuss different sector perspectives, and show ways to overcome these differences. The results reveal the potential of NBSs to address multiple sectors, as well as multiple UCCs. While water has been identified as a key element when using NBSs in the urban environment, most NBSs are interconnected and also present secondary benefits for other resources. Using representative examples, we discuss how a holistic and systemic approach could facilitate the circular use of resources in cities. Currently, there is often a disciplinary focus on one resource when applying NBSs. The full potential of NBSs to address multifunctionality is, thus, usually not fully accounted for. On the basis of our results, we conclude that experts from various disciplines can engage in a cross-sectoral exchange and identify the full potential of NBSs to recover resources in circular cities and provide secondary benefits to improve the livelihood for locals. This is an important first step toward the full multifunctionality potential enabling of NBSs.

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Section: The Current Sectoral View Against a Much-needed Holistic/systemic Approach To Circular Management Of Resources In Citiesmentioning

confidence: 99%

Section: The Current Sectoral View Against a Much-needed Holistic/systemic Approach To Circular Management Of Resources In Citiesmentioning

confidence: 99%

Towards a Cross-Sectoral View of Nature-Based Solutions for Enabling Circular Cities

Langergraber

Castellar

Andersen

et al. 2021

Water

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“…Urban agriculture can be designed to minimize the need for external inputs to produce food and biomass to be consumed in the city. This emerging and inclusive approach consists of making the most of the materials and waste streams used for production, closing water and nutrient loops, and reducing discharges into the environment [7,16,75]. In this sense, circularity refers to the connection between urban streams and the streams needed in UA.…”

Section: Contribution Of Input and Output Streams To Urban Circularity In Nature-based Agricultural Solutionsmentioning

confidence: 99%

Nature-Based Solutions for Agriculture in Circular Cities: Challenges, Gaps, and Opportunities

Canet-Martí

Pineda-Martos

Junge

et al. 2021

Water

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Urban agriculture (UA) plays a key role in the circular metabolism of cities, as it can use water resources, nutrients, and other materials recovered from streams that currently leave the city as solid waste or as wastewater to produce new food and biomass. The ecosystem services of urban green spaces and infrastructures and the productivity of specific urban agricultural technologies have been discussed in literature. However, the understanding of input and output (I/O) streams of different nature-based solutions (NBS) is not yet sufficient to identify the challenges and opportunities they offer for strengthening circularity in UA. We propose a series of agriculture NBS, which, implemented in cities, would address circularity challenges in different urban spaces. To identify the challenges, gaps, and opportunities related to the enhancement of resources management of agriculture NBS, we evaluated NBS units, interventions, and supporting units, and analyzed I/O streams as links of urban circularity. A broader understanding of the food-related urban streams is important to recover resources and adapt the distribution system accordingly. As a result, we pinpointed the gaps that hinder the development of UA as a potential opportunity within the framework of the Circular City.

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“…In this context, insect meal may represent a valid alternative protein source due to its reduced carbon footprint and its high nutritional value [9]. Its use is also highly suggested in low-carbon rearing systems such as Integrated Multi-Trophic Aquaculture (IMTA) and recent IMTA evolution [10]. Insects are characterized by low energy-input requirements and emissions of greenhouse gases and ammonia, and a very favorable feed conversion rate [11].…”

Section: Introductionmentioning

confidence: 99%

Fishmeal Replacement with Hermetia illucens Meal in Aquafeeds: Effects on Zebrafish Growth Performances, Intestinal Morphometry, and Enzymology

Fronte

Licitra

Bibbiani

et al. 2021

Fishes

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Fishmeal (FM) is still the most important protein source in aquafeeds. However, due to the reduction of wild fish stocks used for FM production, its manufacturing it is now unsustainable. Insect meal represents a valid alternative to FM, due to the low carbon footprint of its production and its high nutritional value. The aim of this study was to investigate the potentials of replacing FM with black soldier fly (Hermetia illucens) meal (HIM) in aquafeeds, using zebrafish as the animal model. Four diets were formulated with increasing HIM/FM replacement rate (the control diet contained 20% FM). Mortality rates, growth performances, and feed consumptions were measured, and fish intestine samples were collected for histological and enzymatic analysis. After 49 days, all groups almost tripled their initial body weight (cumulative body weight gain ranged between 143.9 and 155.2 mg), and no statistically significant differences among treatments were observed in relation to growth performances and histological traits. Contrarily, trypsin, alkaline phosphatases, and alpha amylase–glucoamylase activities were significantly reduced when the FM replacement rate was increased. In conclusion, HIM may represent an alternative to FM, since no adverse effects were observed when it was included up to 20% in the zebrafish diet, even when replacing 100% of the FM.

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Selection of marine fish for integrated multi-trophic aquaponic production in the Mediterranean area using DEXi multi-criteria analysis

Cited by 17 publications

References 118 publications

Towards a Cross-Sectoral View of Nature-Based Solutions for Enabling Circular Cities

Towards a Cross-Sectoral View of Nature-Based Solutions for Enabling Circular Cities

Nature-Based Solutions for Agriculture in Circular Cities: Challenges, Gaps, and Opportunities

Fishmeal Replacement with Hermetia illucens Meal in Aquafeeds: Effects on Zebrafish Growth Performances, Intestinal Morphometry, and Enzymology

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