Genetically modify non-native, invasive or other problematic species
Overall effectiveness category No evidence found (no assessment)
Number of studies: 0
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Background information and definitions
Non-native, invasive and other problematic species can impact on native subtidal benthic invertebrate species through predation, competition for resources (food & space), contamination (for pathogens and diseases), or hybridization (through reproduction) (Molnar et al. 2008; Bishop et al. 2010). Some individuals of non-native, invasive or other problematic species could be genetically modified (for instance by introducing Trojan sex chromosomes) and introduced to the population to reduce their environmental tolerance, fitness or reproductive capacity (Allendorf & Lundquist 2003; Cotton & Wedekind 2007). This can potentially reduce their ability to hybridize with native species, but also reduce their population over time and with it the threats they pose to native species.
Allendorf F.W. & Lundquist L.L. (2003) Introduction: population biology, evolution, and control of invasive species. Conservation Biology, 17, 24–30.
Bishop M.J., Krassoi F.R., McPherson R.G., Brown K.R., Summerhayes S.A., Wilkie E.M. & O’Connor W.A. (2010) Change in wild-oyster assemblages of Port Stephens, NSW, Australia, since commencement of non-native Pacific oyster (Crassostrea gigas) aquaculture. Marine and Freshwater Research, 61, 714–723.
Cotton S. & Wedekind C. (2007) Control of introduced species using Trojan sex chromosomes. Trends in Ecology & Evolution, 22, 441–443.
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