Macrofaunal assemblages structure three decades after the first report of the invasive Crassostrea gigas reefs in a soft-intertidal of Argentina

Bazterrica, María Cielo; Hidalgo, Fernando José Alcantarilla; Rumbold, Carlos; Casariego, Agustina Méndez; Jaubet, María Lourdes; Merlo, Matías; César, Inés Irma; Provenzal, Marina; Addino, Mariana; Barón, Pedro J.; Obenat, Sandra

doi:10.1016/j.ecss.2022.107832

Cited by 3 publications

(2 citation statements)

References 118 publications

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“…It has also been suggested that the presence of M. gigas may have facilitated the return of O. edulis along the Dutch North-Sea coast (Christianen et al, 2018), with evidence of similar facilitation of native oyster recruitment onto an established M. gigas reef in the river Crouch, Essex, UK (Lown, 2019). Bazterrica et al (2022) surveyed well established introduced (~30 year old) M. gigas reefs in the Argentinian south Atlantic, comparing the macrofaunal community with that found in vegetated and soft sediments in the locality. The authors found significantly higher macrofaunal diversity associated with M. gigas reefs, particularly during the summer months.…”

Section: Examples Of Potential Positive Impact Of M Gigas On Coastal ...mentioning

confidence: 99%

“…Within the UK North-Kent Marine Protected Area, some protected Ross Worm (Sabellaria spinulosa) reefs have been damaged and displaced by M. gigas (McKnight, 2011;McKnight and Chudleigh, 2015). In several cases the biodiversity gains associated with new M. gigas reef habitat result in part from the presence of other non-native species, including various amphipods, decapods and copepods, some of which have potentially negative effects on the native fauna (Bazterrica et al, 2022;Holmes and Minchin, 1995). Guy et al (2018)…”

Section: Examples Of Potential Negative Impact Of M Gigas On Coastal ...mentioning

confidence: 99%

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Restrictions on UK aquaculture of Pacific oyster (Magallana gigas) will not prevent naturalised spread but suppress ecological and economic benefits to coastal communities

Shakspeare,

Cameron,

Steinke

2024

Preprint

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The Pacific oyster (Magallana (Crassostrea) gigas) was introduced to UK waters in the mid 20th century and currently accounts for over 95% of UK oyster fishery landings. Recently however, its non native origin has led policy makers to consider a limit on UK oyster aquaculture operations. M. gigas is effectively naturalised in the UK, with multiple records of populations originating from non local sources, including from outside the UK. Neighbouring countries, most notably France, treat M. gigas as a naturalised species. The naturalised status simplifies regulation and enables the fishery to provide large quantities of nutritious and sustainable food, supporting employment in coastal communities. Further to this, alongside the potential for detrimental effects this species could have on natural habitats, M. gigas presence can have substantial positive environmental impacts, for example, for improving water quality and by providing living breakwaters for contemporary coastal protection schemes. Our review suggests that efforts to reduce the spread of M. gigas in England are unlikely to have the desired long-term effect and will fundamentally fail due to introductions in Scotland and larval connectivity throughout the southern North Sea. We recommend that UK policy on M. gigas should be updated to reflect the environmental and socioeconomic benefits of Pacific oysters to the shellfish fishery and to open its utility for the provision of nature-based solutions in the adaption to the effects of sea-level rise. Additional location-specific management interventions should focus on suitable mitigation for sensitive sites or to slow spreading events on a case-by-case basis.

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Section: Examples Of Potential Positive Impact Of M Gigas On Coastal ...mentioning

confidence: 99%

Section: Examples Of Potential Negative Impact Of M Gigas On Coastal ...mentioning

confidence: 99%

Restrictions on UK aquaculture of Pacific oyster (Magallana gigas) will not prevent naturalised spread but suppress ecological and economic benefits to coastal communities

Shakspeare,

Cameron,

Steinke

2024

Preprint

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Exploring substrate associations of the non-native anemone Diadumene lineata on an open ocean coast in the SW Atlantic

Andrieu,

Osinaga,

Menechella

et al. 2024

Biol Invasions

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Socio-environmental impacts of non-native and transplanted aquatic mollusc species in South America: What do we really know?

et al. 2023

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Macrofaunal assemblages structure three decades after the first report of the invasive Crassostrea gigas reefs in a soft-intertidal of Argentina

Cited by 3 publications

References 118 publications

Restrictions on UK aquaculture of Pacific oyster (Magallana gigas) will not prevent naturalised spread but suppress ecological and economic benefits to coastal communities

Restrictions on UK aquaculture of Pacific oyster (Magallana gigas) will not prevent naturalised spread but suppress ecological and economic benefits to coastal communities

Exploring substrate associations of the non-native anemone Diadumene lineata on an open ocean coast in the SW Atlantic

Socio-environmental impacts of non-native and transplanted aquatic mollusc species in South America: What do we really know?

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