An agro-ecological evaluation of aquaculture integration into farming systems of the Mekong Delta

Phong, L.T.; Dam, A. A. van; Udo, H.M.J.; Mensvoort, M.E.F. van; Tri, Le Quang; Steenstra, F.A.; Zijpp, A.J. van der

doi:10.1016/j.agee.2010.05.004

Cited by 42 publications

(21 citation statements)

References 18 publications

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“…Other nutrient pathways, such as denitrification will also be investigated. Dynamic simulation models for papyrus vegetation (van Dam et al 2007;Hes et al 2011) and ECOPATH models (Phong et al 2010) will be used to estimate nutrient balances for the wetland transects.…”

Section: Methods and Implementationmentioning

confidence: 99%

The ecology of livelihoods in East African papyrus wetlands (ECOLIVE)

Dam

Kipkemboi

Zaal

et al. 2011

Rev Environ Sci Biotechnol

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Section: Methods and Implementationmentioning

confidence: 99%

The ecology of livelihoods in East African papyrus wetlands (ECOLIVE)

Dam

Kipkemboi

Zaal

et al. 2011

Rev Environ Sci Biotechnol

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“…A series of narrow trenches within the orchards supplies water for crop irrigation and to extract nutrient-rich mud as crop fertilizer. Different fish species are commonly reared, but with low yields of 0.5 to 2.0 t/ha per year (Nhan et al , 2006; Phong et al , 2010). A second category is dominated by rice production with less-intensive fruit production (<2 t/ha per year with low fertilizer input ⩽50 kg N/ha per year).…”

Section: Case Studiesmentioning

confidence: 99%

Prospects from agroecology and industrial ecology for animal production in the 21st century

Dumont

Fortun-Lamothe²,

Jouven

et al. 2013

Animal

266

185

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Agroecology and industrial ecology can be viewed as complementary means for reducing the environmental footprint of animal farming systems: agroecology mainly by stimulating natural processes to reduce inputs, and industrial ecology by closing system loops, thereby reducing demand for raw materials, lowering pollution and saving on waste treatment. Surprisingly, animal farming systems have so far been ignored in most agroecological thinking. On the basis of a study by Altieri, who identified the key ecological processes to be optimized, we propose five principles for the design of sustainable animal production systems: (i) adopting management practices aiming to improve animal health, (ii) decreasing the inputs needed for production, (iii) decreasing pollution by optimizing the metabolic functioning of farming systems, (iv) enhancing diversity within animal production systems to strengthen their resilience and (v) preserving biological diversity in agroecosystems by adapting management practices. We then discuss how these different principles combine to generate environmental, social and economic performance in six animal production systems (ruminants, pigs, rabbits and aquaculture) covering a long gradient of intensification. The two principles concerning economy of inputs and reduction of pollution emerged in nearly all the case studies, a finding that can be explained by the economic and regulatory constraints affecting animal production. Integrated management of animal health was seldom mobilized, as alternatives to chemical drugs have only recently been investigated, and the results are not yet transferable to farming practices. A number of ecological functions and ecosystem services (recycling of nutrients, forage yield, pollination, resistance to weed invasion, etc.) are closely linked to biodiversity, and their persistence depends largely on maintaining biological diversity in agroecosystems. We conclude that the development of such ecology-based alternatives for animal production implies changes in the positions adopted by technicians and extension services, researchers and policymakers. Animal production systems should not only be considered holistically, but also in the diversity of their local and regional conditions. The ability of farmers to make their own decisions on the basis of the close monitoring of system performance is most important to ensure system sustainability.

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“…; Phong et al . ). The high human population density in Asia, especially in Vietnam, indicates that integrating ponds and waste may be insufficient to improve regional and aquaculture system sustainability (Nhan et al .…”

Section: Introductionmentioning

confidence: 97%

Implementing ecological intensification in fish farming: definition and principles from contrasting experiences

Aubin

Callier

Rey‐Valette

et al. 2017

Reviews in Aquaculture

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Ecological intensification is a new concept in agriculture that addresses the double challenge of maintaining a level of production sufficient to support needs of human populations and respecting the environment in order to conserve the natural world and human quality of life. This article adapts this concept to fish farming using agroecological principles and the ecosystem services framework. The method was developed from the study of published literature and applications at four study sites chosen for their differences in production intensity: polyculture ponds in France, integrated pig and pond polyculture in Brazil, the culture of striped catfish in Indonesia and a recirculating salmon aquaculture system in France. The study of stakeholders' perceptions of ecosystem services combined with environmental assessment through Life Cycle Assessment and Emergy accounting allowed development of an assessment tool that was used as a basis for co-building evolution scenarios. From this experience, ecological intensification of aquaculture was defined as the use of ecological processes and functions to increase productivity, strengthen ecosystem services and decrease disservices. It is based on aquaecosystem and biodiversity management and the use of local and traditional knowledge. Expected consequences for farming systems consist of greater autonomy, efficiency and better integration into their surrounding territories. Ecological intensification requires territorial governance and helps improve it from a sustainable development perspective.

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An agro-ecological evaluation of aquaculture integration into farming systems of the Mekong Delta

Cited by 42 publications

References 18 publications

The ecology of livelihoods in East African papyrus wetlands (ECOLIVE)

The ecology of livelihoods in East African papyrus wetlands (ECOLIVE)

Prospects from agroecology and industrial ecology for animal production in the 21st century

Implementing ecological intensification in fish farming: definition and principles from contrasting experiences

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