Use native species instead of non-native species in aquaculture systems
Overall effectiveness category No evidence found (no assessment)
Number of studies: 0
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Background information and definitions
Non-native species are known to negatively affect local native communities (Arthur et al, 2009; Campbell & Hewitt 2008; Molnar et al. 2008). Non-native species are commonly used worldwide for aquaculture purposes due to their economic value (for instance, the Pacific oyster Crassostrea (also known as Magallana) gigas is importantly produced in the UK despite not being native). Using native species for aquaculture instead of non-native species removes the risk of introducing non-native species into an area, either intentionally (from at sea culture) or accidentally (as escapees from hatchery facilities; Arechavaia-Lopez et al. 2013; Campbell 2009; Campbell 2011). Culturing native species may also reduce pressure on native species populations by displacing the harvest effort from native stocks to aquaculture stocks (Andriahajaina & Hockley 2007).
Andriahajaina & Hockley (2007) The potential of native species aquaculture to achieve conservation objectives: freshwater crayfish in Madagascar. The International Journal of Biodiversity Science and Management, 3, 217–222.
Arechavaia-Lopez P., Sanchez-Jerez P., Bayle-Sempere J.T., Uglem I. & Mladineo I. (2013) Reared fish. Farmed escapees and wild fish stockes – a triangle of pathogen transmission of concern to Mediterranean aquaculture management. Aquaculture Environment Interactions, 3, 153–161.
Arthur J.R., Bondad-Reantaso M.G., Campbell M.L., Hewitt C.L., Phillips M.J. & Subasinghe R.P. (2009). Understanding and applying risk analysis in aquaculture: a manual for decision-makers. FAO Fisheries and Aquaculture Technical Paper No. 519/1. FAO; Rome. 113pp.
Campbell M.L. (2009). An overview of risk assessment in a marine biosecurity context. Chapter 20. 99 353–373 in: Rilov G & Crooks J (eds.). Biological Invasions in Marine Ecosystems. Ecological, Management, and Geographic Perspectives. Heidelberg, Germany: Springer
Campbell M.L. (2011) Assessing biosecurity risk associated with the importation of microalgae. Environmental Research, 111, 989–998.
Campbell M.L. & Hewitt C.L. (2008) Introduced marine species risk assessment – aquaculture. Pages 121–133 in: M.G. Bondad-Reantaso; J.R. Arthur. & R.P. Subasinghe (eds). Understanding and applying risk analysis in aquaculture. FAO Fisheries and Aquaculture Technical Paper. No. 519. Rome, FAO.
Molnar J.L., Gamboa R.L., Revenga C. & Spalding M.D. (2008) Assessing the global threat of invasive species to marine biodiversity. Frontiers in Ecology and the Environment, 6, 485–492.
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This Action forms part of the Action Synopsis:Subtidal Benthic Invertebrate Conservation