{"title":"Periphyton colonisation and bioseston formation in aqua dams with three different substrates and their consumption by Mozambique tilapia (Oreochromis mossambicus)","authors":"KC Hlongwane, NAG Moyo, MM Rapatsa-Malatji","doi":"10.3354/aei00470","DOIUrl":"https://doi.org/10.3354/aei00470","url":null,"abstract":"","PeriodicalId":8376,"journal":{"name":"Aquaculture Environment Interactions","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136207585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Surya Gentha Akmal, Yonvitner, Rikho Jerikho, Fredinan Yulianda, Yusli Wardiatno, Jindřich Novák, Luká Kalous, Ondřej Slavík, Jiří Patoka
ABSTRACT: The African grey bichir Polypterus senegalus is a popular ornamental fish in Indonesia. Pet trade with this species is increasing, and aquaculture production is well established. Here we present a detailed market survey and volume of domestic trade, export and import between January 2018 and February 2021. Climate similarity between the native range of P. senegalus and Indonesia was analysed by the MaxEnt algorithm. A significant number of areas of numerous Indonesian islands were identified as suitable for survival and establishment of this fish. This was confirmed by the records of 3 likely established populations in rivers in Java and Sumatra, where both wild type and albino juveniles were captured. The occurrence of more feral populations was suggested by local fishermen in Kalimantan, Java, and Lombok islands; however, verification via future field trips is required. The culture of P. senegalus is unregulated in Indonesia, and the potential risk of establishment of this predatory fish and its potential spread in this Southeast Asian country is alarming for wildlife managers. Although a total ban seems the best solution, an alternative risk mitigation strategy with minimal negative effects on the socio-economic situation in local communities is more feasible. The albino phenotype of P. senegalus is probably less of a risk because of its easier detection by predators, higher sensitivity to disease and stress, and disrupted social behaviour. Since albinos are popular in Indonesia, replacing the wild phenotype with this potentially less invasive phenotype could be a recommendation after experimental confirmation of the lower invasiveness of albinos.
{"title":"Culture, trade and establishment of Polypterus senegalus in Indonesia with first record of wild populations","authors":"Surya Gentha Akmal, Yonvitner, Rikho Jerikho, Fredinan Yulianda, Yusli Wardiatno, Jindřich Novák, Luká Kalous, Ondřej Slavík, Jiří Patoka","doi":"10.3354/aei00433","DOIUrl":"https://doi.org/10.3354/aei00433","url":null,"abstract":"ABSTRACT: The African grey bichir <i>Polypterus senegalus</i> is a popular ornamental fish in Indonesia. Pet trade with this species is increasing, and aquaculture production is well established. Here we present a detailed market survey and volume of domestic trade, export and import between January 2018 and February 2021. Climate similarity between the native range of <i>P</i>. <i>senegalus</i> and Indonesia was analysed by the MaxEnt algorithm. A significant number of areas of numerous Indonesian islands were identified as suitable for survival and establishment of this fish. This was confirmed by the records of 3 likely established populations in rivers in Java and Sumatra, where both wild type and albino juveniles were captured. The occurrence of more feral populations was suggested by local fishermen in Kalimantan, Java, and Lombok islands; however, verification via future field trips is required. The culture of <i>P</i>. <i>senegalus</i> is unregulated in Indonesia, and the potential risk of establishment of this predatory fish and its potential spread in this Southeast Asian country is alarming for wildlife managers. Although a total ban seems the best solution, an alternative risk mitigation strategy with minimal negative effects on the socio-economic situation in local communities is more feasible. The albino phenotype of <i>P</i>. <i>senegalus</i> is probably less of a risk because of its easier detection by predators, higher sensitivity to disease and stress, and disrupted social behaviour. Since albinos are popular in Indonesia, replacing the wild phenotype with this potentially less invasive phenotype could be a recommendation after experimental confirmation of the lower invasiveness of albinos.","PeriodicalId":8376,"journal":{"name":"Aquaculture Environment Interactions","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138529558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A modelling study on changes in residence time due to cage drag in a coastal embayment in the Bay of Fundy","authors":"Y. Wu, B. Law, F. Ding, M. O’Flaherty-Sproul","doi":"10.3354/aei00434","DOIUrl":"https://doi.org/10.3354/aei00434","url":null,"abstract":"","PeriodicalId":8376,"journal":{"name":"Aquaculture Environment Interactions","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69594413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
BM Perriman, P. Bentzen, B. Wringe, S. Duffy, SS Islam, I. Fleming, M. Solberg, I. Bradbury
{"title":"Morphological consequences of hybridization between farm and wild Atlantic salmon Salmo salar under both wild and experimental conditions","authors":"BM Perriman, P. Bentzen, B. Wringe, S. Duffy, SS Islam, I. Fleming, M. Solberg, I. Bradbury","doi":"10.3354/aei00429","DOIUrl":"https://doi.org/10.3354/aei00429","url":null,"abstract":"","PeriodicalId":8376,"journal":{"name":"Aquaculture Environment Interactions","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69594747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Considering elements of nature’s strategies to control salmon-lice infestation in marine cage culture","authors":"A. Stene, CC Hellevik, HB Fjørtoft, G. Philis","doi":"10.3354/aei00436","DOIUrl":"https://doi.org/10.3354/aei00436","url":null,"abstract":"","PeriodicalId":8376,"journal":{"name":"Aquaculture Environment Interactions","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69594885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Increased growth metabolism promotes viral infection in susceptible oyster population","authors":"B. Petton, M. Alunno‐Bruscia, G. Mitta, F. Pernet","doi":"10.3354/aei00450","DOIUrl":"https://doi.org/10.3354/aei00450","url":null,"abstract":"","PeriodicalId":8376,"journal":{"name":"Aquaculture Environment Interactions","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69596043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TA Toone, E. Benjamin, S. Handley, A. Jeffs, J. Hillman
: Wild shellfish reefs have been decimated in many parts of the world over the last century, diminishing their vital ecological roles as habitat generators and the ecosystem services they provide, such as water filtration. Over this same timescale, shellfish aquaculture has rapidly expanded to become an impressive global industry with an annual worldwide production worth US$35.4 billion in 2020. Both wild reefs and aquaculture operations typically rely on abundant shellfish settlement levels to maintain their respective populations. At the same time, shellfish aquaculture has the potential to influence settlement, as the addition of cultured shellfish to an eco-system increases the quantity of reproductive adults and may therefore increase settlement rates. Alternatively, shellfish aquaculture may lead to an overall reduction in settlement in an ecosystem, either directly through cannibalistic consumption of larvae or indirectly by straining carrying capacity. We assessed the role of marine shellfish aquaculture on settlement by comparing changes in the abundance of settling green-lipped mussels Perna canaliculus with the expansion of mussel farms at the north end of New Zealand’s South Island over a 47 yr timespan. Overall, mussel settlement did not increase over this period despite an estimated 16000-fold increase in the number of mussels living in the region as mussel aquaculture proliferated. The disconnect be tween the extent of mussel settlement and mussel aquaculture was consistent across 3 separate areas within the region, suggesting that aquaculture mussels may be unable to produce larvae capable of settlement and emphasizing the importance of wild mussel populations for ecosystem resilience.
{"title":"Expansion of shellfish aquaculture has no impact on settlement rates","authors":"TA Toone, E. Benjamin, S. Handley, A. Jeffs, J. Hillman","doi":"10.3354/aei00435","DOIUrl":"https://doi.org/10.3354/aei00435","url":null,"abstract":": Wild shellfish reefs have been decimated in many parts of the world over the last century, diminishing their vital ecological roles as habitat generators and the ecosystem services they provide, such as water filtration. Over this same timescale, shellfish aquaculture has rapidly expanded to become an impressive global industry with an annual worldwide production worth US$35.4 billion in 2020. Both wild reefs and aquaculture operations typically rely on abundant shellfish settlement levels to maintain their respective populations. At the same time, shellfish aquaculture has the potential to influence settlement, as the addition of cultured shellfish to an eco-system increases the quantity of reproductive adults and may therefore increase settlement rates. Alternatively, shellfish aquaculture may lead to an overall reduction in settlement in an ecosystem, either directly through cannibalistic consumption of larvae or indirectly by straining carrying capacity. We assessed the role of marine shellfish aquaculture on settlement by comparing changes in the abundance of settling green-lipped mussels Perna canaliculus with the expansion of mussel farms at the north end of New Zealand’s South Island over a 47 yr timespan. Overall, mussel settlement did not increase over this period despite an estimated 16000-fold increase in the number of mussels living in the region as mussel aquaculture proliferated. The disconnect be tween the extent of mussel settlement and mussel aquaculture was consistent across 3 separate areas within the region, suggesting that aquaculture mussels may be unable to produce larvae capable of settlement and emphasizing the importance of wild mussel populations for ecosystem resilience.","PeriodicalId":8376,"journal":{"name":"Aquaculture Environment Interactions","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69594490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
R. Marín-Nahuelpi, J. Yáñez, SS Musleh, D. Cañas-Rojas, JC Quintanilla, S. Contreras-Lynch, G. Gajardo, M. Sepúlveda, Chris Harrod, D. Gomez-Uchida
{"title":"Genetic structure and origin of non-native, free-living Atlantic salmon Salmo salar along a latitudinal gradient in Chile, South America","authors":"R. Marín-Nahuelpi, J. Yáñez, SS Musleh, D. Cañas-Rojas, JC Quintanilla, S. Contreras-Lynch, G. Gajardo, M. Sepúlveda, Chris Harrod, D. Gomez-Uchida","doi":"10.3354/aei00444","DOIUrl":"https://doi.org/10.3354/aei00444","url":null,"abstract":"","PeriodicalId":8376,"journal":{"name":"Aquaculture Environment Interactions","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69594918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
J. Skjæraasen, Ø. Karlsen, Ø. Langangen, S. Meier, KM Dunlop, Tv der Meeren, N. Keeley, M. Myksvoll, G. Dahle, E. Moland, R. Nilsen, K. Elvik, R. Bannister, E. Olsen
{"title":"The attraction of cod Gadus morhua to salmon farms from local coastal spawning grounds","authors":"J. Skjæraasen, Ø. Karlsen, Ø. Langangen, S. Meier, KM Dunlop, Tv der Meeren, N. Keeley, M. Myksvoll, G. Dahle, E. Moland, R. Nilsen, K. Elvik, R. Bannister, E. Olsen","doi":"10.3354/aei00440","DOIUrl":"https://doi.org/10.3354/aei00440","url":null,"abstract":"","PeriodicalId":8376,"journal":{"name":"Aquaculture Environment Interactions","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69595238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
P. Gatti, A. Agüera, Shang Gao, Ø. Strand, T. Strohmeier, M. Skogen
{"title":"Prospects of mussel farming production capacity and food web interactions in a mesotrophic environment","authors":"P. Gatti, A. Agüera, Shang Gao, Ø. Strand, T. Strohmeier, M. Skogen","doi":"10.3354/aei00448","DOIUrl":"https://doi.org/10.3354/aei00448","url":null,"abstract":"","PeriodicalId":8376,"journal":{"name":"Aquaculture Environment Interactions","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69595769","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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