Non-Native Aquaculture Species Releases: Implications for Aquatic Ecosystems

Cook, Elizabeth; Ashton, Gail; Campbell, Marnie L.; Coutts, Ashley D.M.; Gollasch, Stephan; Hewitt, Chad L.; Liu, Hui; Minchin, Dan; Ruiz, Gregory M.; Shucksmith, Richard

doi:10.1007/978-1-4020-6810-2_5

Cited by 23 publications

(17 citation statements)

References 73 publications

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“…On the other hand, with transfers of organisms for aquaculture and to some extent also with ships or the aquaria trade, diseases and parasites have been introduced with occasionally disastrous effects when they infest naïve (previously unexposed) host species in a recipient coastal region (Cook et al 2008;Minchin et al 2009;Pillay 2004). …”

Section: Introductionmentioning

confidence: 99%

Alien parasitic copepods in mussels and oysters of the Wadden Sea

et al. 2010

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Molluscan intestinal parasites of the genus Mytilicola, specifically M. intestinalis, were initially introduced into bivalves in the North Sea in the 1930s. It was presumably introduced from the Mediterranean with ship-fouling mussels, then attained epidemic proportions in Mytilus edulis in the 1950s and is now widely established in the North Sea region. Mytilicola orientalis was cointroduced with Pacific oysters to France in the 1970s and in the southern North Sea in the early 1990s. Its main host Crassostrea gigas has massively invaded the Wadden Sea with a concomitant decline in mussels. To explore whether introduced mytilicolid parasites could play a role in the shifting dominance from native mussels to invasive oysters, we analysed 390 mussels and 174 oysters collected around the island of Sylt in the northern Wadden Sea. We show that M. intestinalis has a prevalence [90% and a mean intensity of 4 adult copepods in individual mussels with[50 mm shell length at all sheltered sites. By contrast, none were found in the oysters. However, at one site, we found M. orientalis in C. gigas with a prevalence of 10% and an intensity of 2 per host individual (August 2008).This constitutes the most northern record in Europe for this Pacific parasite until now. Alignments of partial sequences of the mitochondrial cytochrome oxidase I (COI) gene and the nuclear internal transcribed spacers (ITS) and 18S rDNA sequences each show a distinct difference between the two species, which confirms our morphological identification. We suggest that the high parasite load in mussels compared to oysters may benefit the continued expansion of C. gigas in the Wadden Sea.

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Section: Introductionmentioning

confidence: 99%

Alien parasitic copepods in mussels and oysters of the Wadden Sea

et al. 2010

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“…Predicting the impact that non-native species will have on habitat structure and, as a consequence, existing food webs and community composition is inherently difficult (Cook et al 2008). Many links of negative effects of introduction have never been clearly established and sometimes some introductions have positive outcomes.…”

Section: Introductionmentioning

confidence: 98%

“…Ecological risk associated with freshwater fish introduction is also fairly variable across families of fish (Gozlan 2008). Therefore, ecologically sustainable development seeks a balance between the benefits and costs (environmental, economic, social) of an activity related to the introduction of new fish species (Cook et al 2008).…”

Section: Introductionmentioning

confidence: 99%

Non-native and translocated fish species in Serbia and their impact on the native ichthyofauna

Lenhardt¹,

Marković²,

Hegediš³

et al. 2010

Rev Fish Biol Fisheries

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A total of 22 fish species have been introduced into the inland waters of Serbia, either intentionally or accidentally. This paper provides a summary of data concerning time and reason of introduction, mode of expansion, degree of acclimatization, impact on native fish and estimated area of recent distribution. Four of the non-native fish species currently occupy more than 51% of Serbian territory while 5 of them occupy between 21-50% of territory. This paper reviews impacts of introduced freshwater fish in Serbia based on collected data.

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“…The rapid growth of industrial-scale salmon farming has caused or been implicated in numerous environmental problems, including deterioration of the benthos (Holmer & Kristensen, 1992;Tett, 2008), eutrophication of local water bodies (Folke et al, 1994), the release of antibiotics and other chemicals into the marine environment (Haya et al, 2001), the amplification and retransmission of diseases and parasites to the wild (Krko s sek et al, 2007), adverse genetic and=or behavioural interactions between wild and escaped farmed salmon (Cook et al, 2008;Ford & Myers, 2008), and increased mortalities of seabirds and marine mammals by entanglement or predator control measures (Jamieson & Olesiuk, 2001). Salmon farming is also relatively energy intensive, with the majority of industrial energy inputs in traditional, open water net-cage production associated with feed provision (Pelletier & Tyedmers, 2007;Ayer & Tyedmers, 2009;Pelletier et al, 2010).…”

Section: Introductionmentioning

confidence: 99%