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218 results for “aquaculture”
Survey data on attitudes towards salmon aquaculture industry in Norway, Iceland, and Tasmania (AU)
<p>The following data is from an online survey conducted in Norway, Tasmania (Australia), and Iceland. Respondents were recruited by survey companies that distributed e-mail invitations to their panels. A minimum respondent quotas was established for each region, with individuals under the age of 18 being exluded from participating in the survey. The dataset consists of a total of 2085 respondents, comprising 1183 participants from Norway, 406 from Tasmania, and 496 from Iceland. Questions were presented in their respective native language, namely Norwegian, English, and Icelandic.</p> <p>This survey data encompasses various aspects of perceptions of salmon aquaculture industry. Data was generated by the SoLic (Social License to operate for aquaculture) project (2019 - 2022), and funded by The Research Council of Norway (no. 295114). The survey was designed by the SoLic project group. </p> <p>The data and supplementary material is divided in 3 files:</p> <p>The raw survey data in .csv file format (Dataset Solic_2085 respondents.csv). The data file contains 71 variables and data from each of the 2085 respondents. Blank entries in the dataset indicate either a lack of response from the respondents or that specific questions were not applicable to certain respondents (questions exclusively posed to respondents in one country).</p> <p>Overview of survey questions and answer options (Survey.doc). The survey encompassed 28 questions related to the aquaculture industry, along with demographics, respondents’ knowledge of industry, trust in governance system, and environmental concerns. Some demographic variables were sourced from the existing panel data, while others were provided to respondents for their input.</p> <p>The codebook (Codebook.doc). The codebook provides explanations and details regarding all variables included in the survey data file. It includes coding information for each survey question, response options provided in the raw data, and further clarifies the purpose and origin of variables computed by the research group (e.g., variable on aquaculture municipality) or the survey company (e.g., weight variables for data from Norway and Iceland). When used in conjunction with the raw data, this codebook serves as a valuable guide for navigating the dataset. </p>
Barley as a production platform for oral vaccines in sustainable fish aquaculture
<p>Experimental data for the study "Barley as a production platform for oral vaccines in sustainable fish aquaculture"</p>
Underlying data - Digital Twin for Rainbow Trout (Oncorhynchus mykiss) land-based aquaculture
<p>Datasets for replicating Figures 5, 6, 7 and 8 of the article "Digital twins for land-based aquaculture: a case study for rainbow trout (<em>Oncorhynchus mykiss</em>)", by Adriano C. Lima, Edouard Royer, Matteo Bolzonella, and Roberto Pastres.</p>
Data and Statistical analysis for: "Predator in the pool? A quantitative evaluation of non-indexed open access journals in aquaculture research"
<p>Data and Statistical analysis for: "Predator in the pool? A quantitative evaluation of non-indexed open access journals in aquaculture research" published in <em>Frontiers in Marine Science</em></p>
Geographic Information System for marine aquaculture in Argentina
<p>Planning the use of marine areas for aquaculture through the development of Geographic Information Systems (GIS) has taken on great importance recently . This is because GIS allows decision-making through the analysis and integration of a large amount of data of various kinds gathered in a single database. This system allows the incorporation of information on optimal environmental conditions for farm species and relevant data to develop strategies throughout the entire production chain, from service providers and inputs to the final marketing of the product. The recommended actions of the strategic guidelines for a more sustainable and competitive EU aquaculture in 2021–2030 (EC 2021) stated explicitly the need to “<em>Develop a more detailed guidance document on the planning for space and access to water for marine, freshwater and land-based aquaculture</em>”, highlighting the importance of the GIS.</p> <p>Here you will find 4 files with the following information:<br>1) <strong><em>Metadata.doc</em></strong> file with the details of the metadata used to diagram the GIS layers.<br>2) <em><strong>GIS.gpkg</strong></em> file with each of the layers in raster and vector format.<br>3) <em><strong>Land-based model.gpkg</strong></em> file with examples of GIS modeling for land-based facilities.<br>4) <strong><em>Open-water model.gpkg</em></strong> file with examples of GIS modeling for facilities in open systems.</p> <p> </p>
Data and code for Haberle, Hackenberger et al.: Effects of climate change on gilthead seabream aquaculture in the Mediterranean
<p>The submission was prepared to accompany the publication Haberle, Hackenberger et al. "Effects of climate change on gilthead seabream aquaculture in the Mediterranean" in Aquaculture (https://doi.org/10.1016/j.aquaculture.2023.740052).</p> <p>The simulations source code is available through GitHub repository at:<br> https://github.com/QuantEcoLab/SparusSim_Haberle_et_al_2023</p> <p>The Zanodo archive contains GeoTIFF images underlying the figures in the publication, with the corresponding description in the Readme file.</p>
Nitrogen cycling and metabolic rates of aquacultured and wild Acropora coral from Guam in response to ammonium loading rates during 2020-2022
Rates from aquacultured corals and coral fragments collected in Guam in response to ammonium loading. These data are from two separate experiments, one using aquacultured corals and artificial seawater and light. The second was done with wild collected Acropora pistillata from two reef sites in Guam. The first site was West Hagåtña Bay (N13.479650, E144.741750; N13.479833, E144.741733) which had more nearby urban influences and was near the sewage outfall for the city (Redding et al. 2013). The second site was Luminao Reef (N13.4652417, E144.6477483; N13.465467, E144.648050) which was a more isolated reef on the seaward side of the breakwater for Guam’s major port. We measured respiration, gross primary production, 15N ammonium uptake to corals, related nitrogen cycling fluxes in the tanks (reminerization, net uptake, nitrification).
Marine amphipods as a new live prey for ornamental aquaculture: exploring the potential of Parhyale hawaiensis and Elasmopus pectenicrus
<p>Supplementary data from the scientific paper contribution " Marine amphipods as a new live prey for ornamental aquaculture: exploring the potential of Parhyale hawaiensis and Elasmopus pectenicrus".</p> <p> </p> <p>Marine amphipods are gaining attention in aquaculture as a natural live food alternative to traditional preys such as <em>Artemia</em>, as they are rich in essential nutrients such as the lipids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), are an important natural diet of many marine fish of commercial interest, and are relatively easy to culture in large numbers. However, there are no established culture techniques and a deeper knowledge on the reproductive biology, nutritional profiles and culture methodologies is still needed to potentiate the optimization of mass production. The present study assessed for the first time the aquaculture potential of <em>Parhyale hawaiensis</em> and <em>Elasmopus pectenicrus</em>, two cosmopolitan marine gammarids (as per traditional schemes of classification) that naturally proliferate in the wild and in aquaculture facilities. For that purpose, aspects of the population and reproductive biology of wild populations were characterized and then a series of laboratory-scale experiments were conducted to determine the amphipod productivity, the time needed to reach sexual maturity by the newborns (generation time), cannibalism degree, the effects of sex ratio on fecundity and the effects of diet (shrimp diet, plant-based diet and commercial fish diet) on fecundity and the juvenile growth. <em>P. hawaiensis</em>, unlike <em>E. pectenicrus</em>, was easily kept and propagated in laboratory conditions, performing exceedingly better than <em>E. pectenicrus</em>. <em>P. hawaiensis </em>showed a higher total length (9.3 ± 1.3 mm), wet weight (14.4 ± 6.2 mg), dry weight (10.5 ± 4.4 mg), females/males sex ratio in the wild (2.24), fecundity (12.8 ± 5.7 embryos per female), and gross energy content (16.71 ± 0.67 kJ g-1) with respect to <em>E. pectenicrus</em>. Although the <em>P. hawaiensis</em> juvenile growth was slightly reduced (marginally significant) by the use of a plant-based diet compared to a commercial shrimp and fish diet, fecundity was not affected, supporting the possible use of inexpensive diets to mass produce amphipods as live or frozen food. Possible limitations identified were their quite long generation times (50.9 ± 5.8 days) and relatively low fecundity levels (12.8 ± 5.7 embryos per female). With an observed productivity rate of 0.36 ± 0.08 juveniles per amphipod couple per day, <em>P. hawaiensis</em> could become a specialty feed for species that cannot easily transition to a formulated diet such as seahorses and other highly-priced marine ornamental species. Future studies should assess the nutritional value and to explore optimized medium- and large-scale production as well as self-producing biofloc systems taking advantage of the great dietary plasticity and environmental tolerance of the species.</p>
External Stakeholders Survey Results - The Future of Aquaculture The impact of 4.0 technologies worldwide
<p>Aquaculture 4.0 technologies have landed and are very likely to stay, aiming to play a major role within the implementation of new Circular Bioeconomy approaches. In this context, European aquaculture has been recently applying innovative and disruptive technologies to transform fishery management strategies. The so-called “4th industrial revolution” is projected to allow a 15-20% increase in the sector by the year 2030. In addition to the growth the revolution can provide, the benefits of Industry 4.0 include improved productivity, efficiency and reduced costs. Companies will be able to produce more, in less time, while allocating resources more effectively, due to a smooth adoption of interconnectivity through the Internet of Things (IoT), access to real-time data, and the introduction of cyber-physical systems. According to FAO data, the estimated production volume of fish from European aquaculture in 2028 will increase to approximately 1.4 million tons, needing more circular, digitized solutions to cover end user demand.</p> <p>This data was collected from a survey investigating the Future of Aquaculture The impact of 4.0 technologies worldwide. The results of this survey were used to understand the main challenges faced within the Aquaculture 4.0 market concerning usage experience and level of awareness, in order to identify barriers for implementation and key drivers to encourage adoption of innovative technologies within their businesses. The insights gathered will help us to improve our concept and ultimately the whole value chain of the Aquaculture 4.0 market.</p>
FIGURE 8 in Comparison between Atlantic salmon Salmo salar post-smolts reared in open sea cages and in the Preline raceway semi-closed containment aquaculture system
FIGURE 8 Mean (S.E.; n = 30) relative gene transcription values for (a) mef2c () Reference, and () Preline, (b) gata4 () Reference, and () Preline and (c) vegf () Reference, and () Preline using ef1α as standard in Salmo salar heart, both in fresh water and after rearing in Preline semiclosed containment system (S-CCS;) and reference group open pen () for 4 months in seawater. Significant differences between groups are indicated by different lower-case letters
FIGURE 7 in Comparison between Atlantic salmon Salmo salar post-smolts reared in open sea cages and in the Preline raceway semi-closed containment aquaculture system
FIGURE 7 Mean (S.E.; n = 30) relative gene transcription values for (a) Igf-I () Reference, and () Preline, (b) igf1ra () Reference, and () Preline, and (c) igf1bp1a () Reference, and () Preline using ef1α as standard in Salmo salar muscle, both in fresh water and during rearing in Preline semiclosed containment system (S-CCS;) and reference group (). Significant differences through time are denoted with capital letters within the reference group and lower-case letters within Preline S-CCS. SW, seawater
FIGURE 3 in Comparison between Atlantic salmon Salmo salar post-smolts reared in open sea cages and in the Preline raceway semi-closed containment aquaculture system
FIGURE 3 Mean [S.E.; n = 30; (a), (c), (d)] Salmo salar growth in mass (M) fork length (LF) and Fulton's condition factor (K) measured in freshwater (15 April 2016) and during the post-smolt phase (1–2 June; 1–2 June and 29–30 August 2016) (a) Measured mass () Preline, and () Reference, (b) estimated mean mass (Fishtalk calculations, CEF = 1.1) () Reference, and () Preline, (c) mean fork length () Preline, and () Reference and (d) condition factor (K) () Preline, and () Reference. Estimated mean mass covers both the post-smolt phase 5 May to 30 August, and the growth phase 31 August to 30 November. Changeover is indicated with a dot in the figure. SW, seawater. Significant difference between groups; *p <0.05; ***p <0.001
FIGURE 4 in Comparison between Atlantic salmon Salmo salar post-smolts reared in open sea cages and in the Preline raceway semi-closed containment aquaculture system
FIGURE 4 Accumulated mortality of Salmo salar in the Preline semiclosed containment system (S-CCS) 30 April to 30 August followed by the open pen growth phase (Buholmen) from 1 September to 30 November (;, changeover from S-CCS to open pen). The accumulated mortality in the reference group covers the period 5 May to 30 November ()
FIGURE 5 in Comparison between Atlantic salmon Salmo salar post-smolts reared in open sea cages and in the Preline raceway semi-closed containment aquaculture system
FIGURE 5 Mean (+S.E.) Salmo salar skeletal muscle fibre diameter frequency distribution reared in Preline semi-closed containment system () and reference S. salar () after 4 months in seawater. Significant difference between groups; *p <0.05; ***p <0.001
FIGURE 2 in Comparison between Atlantic salmon Salmo salar post-smolts reared in open sea cages and in the Preline raceway semi-closed containment aquaculture system
FIGURE 2 (a) Alternate day mean water temperature and (b) salinity at the Salmo salar post- smolt Preline semi-closed containment system () and reference group () rearing systems between 5 May and 30 November 2016. Data from Preline S-CCS represents the Buholmen open-pen between 31 August and 30 November 2016
FIGURE 1 in Comparison between Atlantic salmon Salmo salar post-smolts reared in open sea cages and in the Preline raceway semi-closed containment aquaculture system
FIGURE 1 (a) Location of experiment area in Norway and (b) locations of the Preline semi-closed containment system (S-CCS), reference, freshwater and growing phase groups of Salmo salar post-smolts in Hordaland region; (c) schematic of the S-CCS; (d) standard open sea cages for S. salar production in Norway; (e) drawing of an open conical pen used to hold the reference group of fish
FIGURE 6 in Comparison between Atlantic salmon Salmo salar post-smolts reared in open sea cages and in the Preline raceway semi-closed containment aquaculture system
FIGURE 6 Mean (S.E.; n = 30) plasma IGF-I concentration of Salmo salar in both fresh water and during rearing in Preline S- semi-closed containment system (S-CCS;) and reference group (). Significant differences trough time are denoted with capital letters within the reference group, lower-case letters within the Preline S-CCS group and significant differences between rearing systems are shown: **p <0.01; ***p <0.001. SW, seawater
Figure 1 in Development and objectives of the PHYCOMORPH European Guidelines for the Sustainable Aquaculture of Seaweeds (PEGASUS)
Figure 1: Seaweed aquaculture to meet the goals of the European bioeconomy strategy (© Michele Barbier, based on EC documentation, 2018, source photos: iStock, © roxyminder #94394792; Fotolia_110024322_Subscription_XXL_© Countrypixel.jpg).
Figure 3 in Development and objectives of the PHYCOMORPH European Guidelines for the Sustainable Aquaculture of Seaweeds (PEGASUS)
Figure 3: Different European legislation with implications for seaweed aquaculture (© Michele Barbier).
Figure 2 in Development and objectives of the PHYCOMORPH European Guidelines for the Sustainable Aquaculture of Seaweeds (PEGASUS)
Figure 2: The development of sustainable seaweed aquaculture in Europe faces a number of challenges: market size, potential environmental impact, and preservation of local genetic diversity, the need to intensify research – both fundamental and applied, regulation of food quality, heavy metals or alien species, and cultivation constraints ranging from automation to issues of epiphytism (© Michele Barbier).
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International Brain Laboratory public data
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OpenNeuro
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