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Journal articles on the topic 'Stock fish'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Färber, Leonie, Rob van Gemert, Øystein Langangen, Joël M. Durant, and Ken H. Andersen. "Population variability under stressors is dependent on body mass growth and asymptotic body size." Royal Society Open Science 7, no. 2 (2020): 192011. http://dx.doi.org/10.1098/rsos.192011.

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The recruitment and biomass of a fish stock are influenced by their environmental conditions and anthropogenic pressures such as fishing. The variability in the environment often translates into fluctuations in recruitment, which then propagate throughout the stock biomass. In order to manage fish stocks sustainably, it is necessary to understand their dynamics. Here, we systematically explore the dynamics and sensitivity of fish stock recruitment and biomass to environmental noise. Using an age-structured and trait-based model, we explore random noise (white noise) and autocorrelated noise (r

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2

Hélias, Arnaud. "Data for Fish Stock Assessment Obtained from the CMSY Algorithm for all Global FAO Datasets." Data 4, no. 2 (2019): 78. http://dx.doi.org/10.3390/data4020078.

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Assessing the state of fish stocks requires the determination of descriptors. They correspond to the absolute and relative (to the carrying capacity of the habitat) fish biomasses in the ecosystem, and the absolute and relative (to the intrinsic growth rate of the population) fishing mortality resulting from catches. This allows, among other things, to compare the catch with the maximum sustainability yield. Some fish stocks are well described and monitored, but for many data-limited stocks, catch time series are remaining the only source of data. Recently, an algorithm (CMSY) has been propose

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3

Gilbert, D. J. "Towards a new recruitment paradigm for fish stocks." Canadian Journal of Fisheries and Aquatic Sciences 54, no. 4 (1997): 969–77. http://dx.doi.org/10.1139/f96-272.

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The stock recruitment paradigm involves the hypothesis that recruitment (R) to a fish stock is positively related to the spawning stock biomass (SSB) of the stock, at low SSB. I propose a ``recruitment states'' hypothesis wherein R is independent of SSB but has different mean values during successive periods. Meta-analysis was used to test the null hypothesis that recruitment is a series of random, independent events, against these two alternative hypotheses, for 153 marine spawning bony fish stocks and 31 salmonid stocks. A test statistic for the stock recruitment paradigm, based on estimatin

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4

Kope, Robert G. "Optimal Harvest Rates for Mixed Stocks of Natural and Hatchery Fish." Canadian Journal of Fisheries and Aquatic Sciences 49, no. 5 (1992): 931–38. http://dx.doi.org/10.1139/f92-103.

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Optimal harvest rates were computed using dynamic programming for mixed-stock fisheries exploiting two stocks of either natural or hatchery origin. Natural stocks were described by a Ricker spawner–recruit relationship and hatchery stocks were described by a rectilinear spawner–recruit relationship. Harvest rates were optimized for both risk-neutral and risk-averse utility functions. For two natural stocks with low productivities, optimal harvest rates generally appeared to favor the stronger stock for a risk-neutral utility function and the weaker stock for a risk-averse utility function. For

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5

Perälä, Tommi, and Anna Kuparinen. "Detecting regime shifts in fish stock dynamics." Canadian Journal of Fisheries and Aquatic Sciences 72, no. 11 (2015): 1619–28. http://dx.doi.org/10.1139/cjfas-2014-0406.

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Environmental factors such as water temperature, salinity, and the abundance of zooplankton can have major effects on certain fish stocks’ ability to produce juveniles and, thus, stock renewal ability. This variability in stock productivity manifests itself as different productivity regimes. Here, we detect productivity regime shifts by analyzing recruit-per-spawner time series with Bayesian online change point detection algorithm. The algorithm infers the time since the last regime shift (change in mean or variance or both) as well as the parameters of the data-generating process for the curr

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Koljonen, Marja-Liisa. "Annual changes in the proportions of wild and hatchery Atlantic salmon (Salmo salar) caught in the Baltic Sea." ICES Journal of Marine Science 63, no. 7 (2006): 1274–85. http://dx.doi.org/10.1016/j.icesjms.2006.04.010.

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Abstract DNA-level information from an eight-loci microsatellite baseline database of 32 Atlantic salmon (Salmo salar) stocks was used with a Bayesian estimation method to assess the stock and stock group proportions of Finnish salmon catches in the Baltic Sea area. The proportions of seven stock groups, important to fisheries management, were assessed in catch samples taken between 2000 and 2005. In the Gulf of Bothnia area, the proportion of wild fish in catches showed an increasing trend in all areas until 2003, mainly because of the decrease in total catches caused by the relatively greate

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Probst, Wolfgang Nikolaus, Matthias Kloppmann, and Gerd Kraus. "Indicator-based status assessment of commercial fish species in the North Sea according to the EU Marine Strategy Framework Directive (MSFD)." ICES Journal of Marine Science 70, no. 3 (2013): 694–706. http://dx.doi.org/10.1093/icesjms/fst010.

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Abstract Probst, W. N., Kloppmann, M., and Kraus, G. Indicator-based status assessment of commercial fish species in the North Sea according to the EU Marine Strategy Framework Directive (MSFD). – ICES Journal of Marine Science, 70: 694–706. The EU Marine Strategy Framework Directive (MSFD) is structured into eleven descriptors of good environmental status (GES). For each descriptor the current status of the marine environment should be assessed against its GES using ecosystem criteria and indicators. Within Descriptor 3 (D3) the MSFD addresses the status of exploited fish stocks according to

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8

MATTIUCCI, S., R. CIMMARUTA, P. CIPRIANI, P. ABAUNZA, B. BELLISARIO, and G. NASCETTI. "Integrating Anisakis spp. parasites data and host genetic structure in the frame of a holistic approach for stock identification of selected Mediterranean Sea fish species." Parasitology 142, no. 1 (2014): 90–108. http://dx.doi.org/10.1017/s0031182014001103.

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SUMMARYThe unique environment of the Mediterranean Sea makes fish stock assessment a major challenge. Stock identification of Mediterranean fisheries has been based mostly from data on biology, morphometrics, artificial tags, otolith shape and fish genetics, with less effort on the use of parasites as biomarkers. Here we use some case studies comparing Mediterranean vs Atlantic fish stocks in a multidisciplinary framework. The generalized Procrustes Rotation (PR) was used to assess the association between host genetics and larval Anisakis spp. datasets on demersal (hake) and pelagic (horse mac

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9

de Moor, Carryn L., Douglas S. Butterworth, and Carl D. van der Lingen. "The quantitative use of parasite data in multistock modelling of South African sardine (Sardinops sagax)." Canadian Journal of Fisheries and Aquatic Sciences 74, no. 11 (2017): 1895–903. http://dx.doi.org/10.1139/cjfas-2016-0280.

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Differences in parasite infection have previously been used to distinguish between fish stocks. We demonstrate a novel use of parasite prevalence-by-length data to inform quantitatively on stock mixing. An initial two mixing stock hypothesis proved consistent with biological and survey data, suggesting that there are different stocks of sardine off the west and south coasts of South Africa. That hypothesis assumed that only recruits moved from the west to the south stock. However, new “tetracotyle”-type metacercarian parasite bio-tag data indicate a need to allow older fish to move between the

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10

Lorenzen, Kai. "Population dynamics and potential of fisheries stock enhancement: practical theory for assessment and policy analysis." Philosophical Transactions of the Royal Society B: Biological Sciences 360, no. 1453 (2005): 171–89. http://dx.doi.org/10.1098/rstb.2004.1570.

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The population dynamics of fisheries stock enhancement, and its potential for generating benefits over and above those obtainable from optimal exploitation of wild stocks alone are poorly understood and highly controversial. I review pertinent knowledge of fish population biology, and extend the dynamic pool theory of fishing to stock enhancement by unpacking recruitment, incorporating regulation in the recruited stock, and accounting for biological differences between wild and hatchery fish. I then analyse the dynamics of stock enhancement and its potential role in fisheries management, using

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11

Koljonen, Marja-Liisa, Michele Masuda, Irma Kallio-Nyberg, Jarmo Koskiniemi, and Irma Saloniemi. "Large inter-stock differences in catch size-at-age of mature Atlantic salmon observed by using genetic individual origin assignment from catch data." PLOS ONE 16, no. 4 (2021): e0247435. http://dx.doi.org/10.1371/journal.pone.0247435.

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Genetic individual assignment of river stock of origin of mixed stock catch fish offers a tool to analyze size differences among river stocks. Data on the genetically identified river stock of origin of individual fish from commercial mixed stock catches were used to compare the catch size-at-age of mature Atlantic salmon catch fish (Salmo salar) from different rivers in the Baltic Sea. In this application of genetic mixed stock modeling, individual assignments of the river stock of origin were analyzed together with length- and weight-at-age data for individual catch fish. The use of four gen

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12

Williams, Nigel. "Fish stock falls unreported." Current Biology 18, no. 15 (2008): R634—R635. http://dx.doi.org/10.1016/j.cub.2008.07.023.

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13

ARAI, NOBUAKI, WATARU SAKAMOTO, KOJI TATENO, and KOJI YOSHIDA. "PIXE Analysis of Fish Otoliths: Application to Fish Stock Discrimination." International Journal of PIXE 06, no. 01n02 (1996): 227–32. http://dx.doi.org/10.1142/s0129083596000223.

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PIXE was adopted to analyze trace elements in otoliths of Japanese flounder to discriminate among several local fish stocks. The otoliths were removed from samples caught at five different sea areas along with the coast of the Sea of Japan: Akita, Ishikawa, Kyoto (2 stations), and Fukuoka. Besides calcium as main component, strontium, manganese, and zinc were detected. Especially Sr concentrations were different among 4 areas except between 2 stations in Kyoto. It suggested that the fish in the 2 stations in Kyoto were the same stock differed to the others.

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14

Nugroho, Kuncoro Catur, Nimmi Zulbainarni, Zenal Asikin, Slamet Budijanto, and Marimin Marimin. "Toward a Sustainable Surimi Industry: Comprehensive Review and Future Research Directions of Demersal Fish Stock Assessment Techniques." Sustainability 16, no. 17 (2024): 7759. http://dx.doi.org/10.3390/su16177759.

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The surimi industry faces challenges due to the overexploitation of demersal fishes, requiring precise fish stock assessments and the exploration of alternative raw materials. Research in these areas is crucial for fish sustainability. Thus, the current study aims to identify the existing knowledge covering the use of the length-based spawning potential ratio (LB-SPR) as a fish stock assessment method and to fill the gap in the research by consolidating relevant literature through a PRISMA SLR, using qualitative and quantitative data. The findings indicate that the LB-SPR method, while effecti

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15

Guan, Lisha, Yong Chen, Robert Boenish, Xianshi Jin, and Xiujuan Shan. "Improving data-limited stock assessment with sporadic stock index information in stock reduction analysis." Canadian Journal of Fisheries and Aquatic Sciences 77, no. 5 (2020): 857–68. http://dx.doi.org/10.1139/cjfas-2018-0500.

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As most exploited fisheries lack a coherent time series of biomass index, development of data-limited stock assessment methods such as stock reduction analysis (SRA), is critical for fishery stock assessment due to their modest data requirements for estimating stock status and overfishing catch limits. In this study, we propose that sporadic time series of biomass indices, if available, may be fully utilized to inform priors of recent relative biomass (BT/B1) for data-limited stocks. We evaluated the performance of SRA incorporating this index-based prior by comparing two other common SRA prio

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16

Vasilakopoulos, Paraskevas, Finbarr G. O'Neill, and C. Tara Marshall. "Misspent youth: does catching immature fish affect fisheries sustainability?" ICES Journal of Marine Science 68, no. 7 (2011): 1525–34. http://dx.doi.org/10.1093/icesjms/fsr075.

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Abstract Vasilakopoulos, P., O'Neill, F. G., and Marshall, C. T. 2011. Misspent youth: does catching immature fish affect fisheries sustainability? – ICES Journal of Marine Science, 68: 1525–1534. The “spawn-at-least-once” principle suggests that sustainability is secured if fish become vulnerable to commercial gears only after they have spawned. However, some studies suggest that protecting immature fish is not essential to sustainability because extrinsic factors determine both recruitment and stock status. A meta-analysis was conducted to quantify the independent effects of exploitation pat

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17

Evans, David O., and Campbell C. Willox. "Loss of Exploited, Indigenous Populations of Lake Trout, Salvelinus namaycush, by Stocking of Non-Native Stocks." Canadian Journal of Fisheries and Aquatic Sciences 48, S1 (1991): 134–47. http://dx.doi.org/10.1139/f91-312.

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A deterministic, age-structured population model was developed to explore the combined effects of exploitation and stocking of hatchery-reared lake trout on native lake trout populations. Stocking of non-native lake trout at moderate to high exploitation rates caused loss of the recipient population, even when the stocked fish did not reproduce or interbreed with the native fish. If hatchery fish reproduce, their progeny mask the loss of the wild stock. At exploitation and stocking rates typical of lake trout populations in Ontario, the wild stock was replaced by the hatchery stock in a few ge

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18

Mahe, Kélig, Clémence Oudard, Tiphaine Mille, et al. "Identifying blue whiting (Micromesistius poutassou) stock structure in the Northeast Atlantic by otolith shape analysis." Canadian Journal of Fisheries and Aquatic Sciences 73, no. 9 (2016): 1363–71. http://dx.doi.org/10.1139/cjfas-2015-0332.

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Information on stock identification and spatial stock structure provide a basis for understanding fish population dynamics and improving fisheries management. In this study, otolith shape analysis was used to study the stock structure of blue whiting (Micromesistius poutassou) in the northeast Atlantic using 1693 samples from mature fish collected between 37°N and 75°N and 20°W and 25°E. The results indicated two stocks located north and south of ICES Divisions VIa and VIb (54°5N to 60°5N, 4°W to 11°W). The central area corresponds to the spawning area west of Scotland. Sampling year effects a

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19

Keiver, Michael. "The Turbot War: Gunboat Diplomacy or Refinement of the Law of the Sea?" Les Cahiers de droit 37, no. 2 (2005): 543–87. http://dx.doi.org/10.7202/043395ar.

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This article attempts an analysis of Canadian environmental diplomacy during the recent « turbot war ». The dispute included the Canadian arrest of a Spanish fishing vessel, the Estai, beyond the 200 mile zone. Turbot, also known as Greenland halibut, is considered a straddling fish stock because it is present both within and adjacent to the 200 mile zone. The Canadian response to the straddling stock issue involved a two-track strategy of unilateral action and multilateral negotiation. Canadian multilateral efforts included participation in the United Nations Conference on Straddling Fish Sto

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20

Yamada, S. Behrens, T. J. Mulligan, and D. Fournier. "Role of Environment and Stock on the Elemental Composition of Sockeye Salmon (Oncorhynchus nerka) Vertebrae." Canadian Journal of Fisheries and Aquatic Sciences 44, no. 6 (1987): 1206–12. http://dx.doi.org/10.1139/f87-143.

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Individual spawning populations, or stocks, of salmon differ in the elemental composition of their scales and bone. These stock-specific differences have a pronounced environmental component, since elevated concentrations of certain elements in fish tissue can be induced by feeding hatchery fish food enriched in these elements. This study tests the hypothesis that both genetic and environmental factors contribute to the stock-specific elemental composition of salmon vertebrae. Four stocks of sockeye salmon (Oncorhynchus nerka) were raised under identical conditions and each stock was subjected

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Francis, RICC, and RH Winstanley. "Differences in growth rates between habitats of South-east Australian snapper (Chrysophrys auratus)." Marine and Freshwater Research 40, no. 6 (1989): 703. http://dx.doi.org/10.1071/mf9890703.

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Data on recaptured fish from two tagging experiments on south-east Australian snapper, Chrysophrys auratus, were analysed: 198 fish released in several Victorian locations between 1956 and 1962, and 118 fish released in Port Phillip Bay in 1971 and 1972. Movement data from both experiments were used to classify the fish into habitats (oceanic and bay) and stocks (western and eastern). Length increment data from the earlier experiment indicate that the major growth-rate differences in south-east Australian snapper lie within the western stock (between oceanic and bay habitats) rather than betwe

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22

Smoliński, Szymon, Franziska Maria Schade, and Florian Berg. "Assessing the performance of statistical classifiers to discriminate fish stocks using Fourier analysis of otolith shape." Canadian Journal of Fisheries and Aquatic Sciences 77, no. 4 (2020): 674–83. http://dx.doi.org/10.1139/cjfas-2019-0251.

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The assignment of individual fish to its stock of origin is important for reliable stock assessment and fisheries management. Otolith shape is commonly used as the marker of distinct stocks in discrimination studies. Our literature review showed that the application and comparison of alternative statistical classifiers to discriminate fish stocks based on otolith shape is limited. Therefore, we compared the performance of two traditional and four machine learning classifiers based on Fourier analysis of otolith shape using selected stocks of Atlantic cod (Gadus morhua) in the southern Baltic S

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23

Chen, D. G., N. B. Hargreaves, D. M. Ware, and Y. Liu. "A fuzzy logic model with genetic algorithm for analyzing fish stock-recruitment relationships." Canadian Journal of Fisheries and Aquatic Sciences 57, no. 9 (2000): 1878–87. http://dx.doi.org/10.1139/f00-141.

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A new fuzzy logic model with a genetic algorithm is developed that overcomes some of the inherent uncertainties in the fish stock-recruitment process. This model is applied to stock-recruitment relationships for the Southeast Alaska pink salmon (Oncorhynchus gorbuscha) and the West Coast Vancouver Island Pacific herring (Clupea pallasi) stocks. In both examples, the annual mean sea surface temperature is used as an environmental intervention in the model. The fuzzy logic model provides the functional relationship between the number of fish spawners and the sea surface temperature that is used

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24

Barnes, Thomas C., and Bronwyn M. Gillanders. "Combined effects of extrinsic and intrinsic factors on otolith chemistry: implications for environmental reconstructions." Canadian Journal of Fisheries and Aquatic Sciences 70, no. 8 (2013): 1159–66. http://dx.doi.org/10.1139/cjfas-2012-0442.

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Otolith chemistry is widely used to understand patterns of fish movement and habitat use, with significant progress made in understanding the influence of environmental factors on otolith elemental uptake. However, few studies consider the interactive effect that environmental and genetic influences have on otolith chemistry. This study assessed the influence of salinity, temperature, and genetics on the incorporation of three key elements (strontium (Sr), barium (Ba), and magnesium (Mg)) into the otoliths of two discrete stocks of mulloway (Argyrosomus japonicus) fingerlings reared in captivi

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Robinson, Orin J., Olaf P. Jensen, Mikaela M. Provost, et al. "Evaluating the impacts of fishing on sex-changing fish: a game-theoretic approach." ICES Journal of Marine Science 74, no. 3 (2016): 652–59. http://dx.doi.org/10.1093/icesjms/fsw222.

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Abstract Sex change has been widely documented in many commercially and recreationally important fish species, yet the implications of this life history trait are not considered in most stock assessments. This omission can lead to poor estimates of parameters vital to understanding the health of sequentially hermaphroditic stocks. Here, we present a game theoretic approach to model the sex changing behaviour of a stock of protogynous (female first) hermaphroditic fish and produce estimates of maximum sustainable yield (MSY), equilibrium biomass at MSY (BMSY) and sex ratio, then compare these r

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Brodziak, Jon, Boyd Bentley, Devin Bartley, Graham A. E. Gall, Richard Gomulkiewicz, and Marc Mangel. "Tests of Genetic Stock Identification Using Coded Wire Tagged Fish." Canadian Journal of Fisheries and Aquatic Sciences 49, no. 7 (1992): 1507–17. http://dx.doi.org/10.1139/f92-167.

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Genetic Stock Identification (GSI) uses allozyme variation to determine the composition of mixed-stock fisheries. The GSI method was tested using real fishery data. We report, for the first time in the primary literature, results of tests of GSI in which source stock and ocean-caught mixture samples were separately obtained and the mixture composition was known exactly because the fish used were marked by Coded Wire Tags (CWTs). The accuracy of GSI and its dependence on the quality of genetic data were studied by computer experiments. Rare alleles, which could result from poor sampling procedu

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Frank, Kenneth T. "Demographic Consequences of Age-Specific Dispersal in Marine Fish Populations." Canadian Journal of Fisheries and Aquatic Sciences 49, no. 11 (1992): 2222–31. http://dx.doi.org/10.1139/f92-243.

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The fundamental model of marine fish population dynamics assumes that major events occur within the census area and that immigrants and emigrants can be safely ignored in the evaluation of stock dynamics. Dispersal is generally assumed to be associated with the movement of immature individuals away from their home area. Such a process may produce vagrants that have a low probability of surviving or successfully reproducing elsewhere. An alternative view, developed here, proposes that dispersal can have profound demographic consequences not only for the resident stock but for neighbouring stock

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Crozier, W. W., P.-J. Schön, G. Chaput, E. C. E. Potter, N. Ó. Maoiléidigh, and J. C. MacLean. "Managing Atlantic salmon (Salmo salar L.) in the mixed stock environment: challenges and considerations." ICES Journal of Marine Science 61, no. 8 (2004): 1344–58. http://dx.doi.org/10.1016/j.icesjms.2004.08.013.

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Abstract Atlantic salmon, as a result of their population structure and behaviour, are potentially subject to a complex array of fisheries, ranging from those within rivers harvesting single stocks, to distant-water mixed stock fisheries that harvest fish from different countries, stock complexes, and continents. In addition, estuarine and in-river fisheries may catch fish from more than one stock or stock component, where these are present. One of the main challenges in managing salmon across this range of fisheries is to account for the differing status of stocks with respect to safe biologi

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Salthaug, Are, and Sondre Aanes. "Catchability and the spatial distribution of fishing vessels." Canadian Journal of Fisheries and Aquatic Sciences 60, no. 3 (2003): 259–68. http://dx.doi.org/10.1139/f03-018.

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A central problem when using commercial catch per unit effort (CPUE) as an index of fish stock abundance is that fishing vessels search for concentrations of fish. For a given stock abundance, CPUE may become high if the vessels succeed in finding patches of fish and low if the vessels distribute their catching operations more randomly. In this work, the relationship between catchability and two measures of the degree of spatial concentration of a trawl fleet (the fleet's spatial extent and the fleet's degree of spatial patchiness) is investigated for four different fish stocks. The catchabili

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Purwanto, Purwanto, Duto Nugroho, and Suwarso Suwarso. "POTENTIAL PRODUCTION OF THE FIVE PREDOMINANT SMALL PELAGIC FISH SPECIES GROUPS IN THE JAVA SEA." Indonesian Fisheries Research Journal 20, no. 2 (2014): 59. http://dx.doi.org/10.15578/ifrj.20.2.2014.59-67.

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The Java Sea is one of the important fishing areas for small pelagic fishery in Indonesia. The production of the fishery was dominated by five fish species groups. To support the management of that fishery, an assessment of the stock of the five predominant small pelagic fish species groups was conducted. Based on the result of analysis, the maximum sustainable yield (MSY) of the stock of five predominant small pelagic fish species was about 244.6 thousand tons. Meanwhile, the MSY of the stock of the whole exploitable small pelagic fish species was about 315.5 thousand tons. The optimum fishin

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Orogu, J.O.* and Akpobire D. "MYCOLOGICAL ASSESSMENT OF DRIED FISH AND STOCK FISH SOLD IN OZORO MARKET." Indo American Journal of Pharmaceutical Sciences 04, no. 08 (2017): 2538–42. https://doi.org/10.5281/zenodo.848576.

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Dried fish and stock fish are largely consumed as a source of nutrient by man. It has been established that fish food can act as vehicle for transmission of some mycological pathogens especially in immune compromised individuals. Sixteen (16) different samples of fish were bought from Ozoro central market in four different locations. The samples were labeled sample A (dried fish) and sample B (stock fish). A total of four (4) fungi species were isolated from the test samples: Aspergillus niger, Candida albican, Penicillium species and Rhizopus oryzae. Aspergillus niger has the highest plate co

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Canales, T. Mariella, Gustav W. Delius, and Richard Law. "Regulation of fish stocks without stock–recruitment relationships: The case of small pelagic fish." Fish and Fisheries 21, no. 5 (2020): 857–71. http://dx.doi.org/10.1111/faf.12465.

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Rouyer, Tristan, Jean-Marc Fromentin, Manuel Hidalgo, and Nils C. Stenseth. "Combined effects of exploitation and temperature on fish stocks in the Northeast Atlantic." ICES Journal of Marine Science 71, no. 7 (2014): 1554–62. http://dx.doi.org/10.1093/icesjms/fsu042.

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Abstract Fish stock fluctuations are affected by two potentially confounding forces: the removal of individuals by fisheries and climatic variations affecting the productivity of fish populations. Disentangling the relative importance of these forces has thus been a question of primary importance for fisheries management and conservation. Through the analysis of long-term time-series for 27 fish stocks from the Northeast Atlantic, the present study shows that the sign and intensity of the effect of temperature on biomass are dependent on the geographical location: the stocks located at the sou

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Hannesson, Rögnvaldur. "Sharing a Migrating Fish Stock." Marine Resource Economics 28, no. 1 (2013): 1–17. http://dx.doi.org/10.5950/0738-1360-28.1.1.

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Holden, Constance. "Fish Research Stock in Jeopardy." Science 254, no. 5031 (1991): 522. http://dx.doi.org/10.1126/science.254.5031.522.c.

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Sathianandan, T. V., Kolliyil Sunil Mohamed, Jayaraman Jayasankar, et al. "Status of Indian marine fish stocks: modelling stock biomass dynamics in multigear fisheries." ICES Journal of Marine Science 78, no. 5 (2021): 1744–57. http://dx.doi.org/10.1093/icesjms/fsab076.

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Abstract A biomass dynamics modelling study to derive biological reference points and management requirements of 223 commercially important fish stocks in different maritime states of India was conducted. Two decades (1997–2016) of fishery-related data on the harvest of resources by different types of fishing fleets formed the input. The multigear nature of the fishery situation was solved by introducing a gear standardization parameter into the biomass dynamics model. The relative positions of the fish stocks were depicted through Kobe plots generated for the ten maritime states/union territo

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Paul, Marchal, Ulrich Clara, Korsbrekke Knut, Pastoors Martin, and Rackham Brian. "Annual trends in catchability and fish stock assessments." Scientia Marina 67, S1 (2003): 63–73. http://dx.doi.org/10.3989/scimar.2003.67s163.

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Mullins, Rachel B., Niall J. McKeown, Warwick H. H. Sauer, and Paul W. Shaw. "Genomic analysis reveals multiple mismatches between biological and management units in yellowfin tuna (Thunnus albacares)." ICES Journal of Marine Science 75, no. 6 (2018): 2145–52. http://dx.doi.org/10.1093/icesjms/fsy102.

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Abstract The South African (SAF) yellowfin tuna (Thunnus albacares) fishery represents a potential example of misalignment between management units and biological processes. The SAF fishery spans an operational stock with a boundary at 20°E, either side of which fish are considered part of Atlantic or Indian Ocean regional stocks. However, the actual recruitment of fish from Atlantic and Indian Ocean spawning populations into SAF waters is unknown. To address this knowledge gap, genomic analysis (11 101 SNPs) was performed on samples from Atlantic and Indian Ocean spawning sites, including SAF

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Niwa, Hiro-Sato. "Random-walk dynamics of exploited fish populations." ICES Journal of Marine Science 64, no. 3 (2007): 496–502. http://dx.doi.org/10.1093/icesjms/fsm004.

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Abstract Niwa, H-S. 2007. Random-walk dynamics of exploited fish populations. – ICES Journal of Marine Science, 64: 496–502. Fished populations have been heavily fished over a wide range of stock sizes, and the data for such stocks are potentially of great interest. Population variability in stock histories has focused attention on the predictability of conditions of sustainability when harvesting fish. Here, I examine empirically the time-series data on 27 commercial fish stocks in the North Atlantic. The variability in population growth rate (i.e. the annual changes in the logarithms of popu

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Conn, Paul B., Erik H. Williams, and Kyle W. Shertzer. "When can we reliably estimate the productivity of fish stocks?" Canadian Journal of Fisheries and Aquatic Sciences 67, no. 3 (2010): 511–23. http://dx.doi.org/10.1139/f09-194.

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In modern fishery stock assessments, the productivity of exploited stocks is frequently summarized by a scale-invariant “steepness” parameter. This parameter, which describes the slope of the spawner–recruit curve, determines resilience of a stock to exploitation and is highly influential when estimating maximum sustainable yield. In this study, we examined conditions under which steepness can be estimated reliably. We applied a statistical catch-age model to data that were simulated over a broad range of stock characteristics and exploitation patterns and found that steepness is often estimat

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Link, P. Michael, and Richard S. J. Tol. "Economic impacts of changes in the population dynamics of fish on the fisheries of the Barents Sea." ICES Journal of Marine Science 63, no. 4 (2006): 611–25. http://dx.doi.org/10.1016/j.icesjms.2006.01.003.

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Abstract A bioeconomic simulation model of the two interacting fish species cod (Gadus morhua) and capelin (Mallotus villosus) and their fisheries is presented and applied to assess the consequences of changes in the population dynamics of these important fish stocks in the Barents Sea. In each scenario, the population dynamics of the fish species are changed by reducing the reproduction-induced productivities and/or the carrying capacities. Stock sizes and landings of fish are calculated for each fishing period, and the net present values of profits from fishing are determined for time period

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Smith, Stephen J., and Steven E. Campana. "Integrated stock mixture analysis for continous and categorical data, with application to genetic–otolith combinations." Canadian Journal of Fisheries and Aquatic Sciences 67, no. 10 (2010): 1533–48. http://dx.doi.org/10.1139/f10-078.

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Fish populations or stocks often intermix on fishing grounds, thus posing problems for stock assessors or managers attempting to optimize yields and minimize overexploitation of individual stocks. A Bayesian framework is developed here to simultaneously analyse many of the different data types (e.g., otolith elemental composition, nuclear and mitochondrial DNA) that have been used to identify stock origins of fish in mixed groups and thus take maximal advantage of the available information. Elements of this framework include the capability to analyse each data type either separately or in comb

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Hilborn, Ray, Daniel J. Hively, Olaf P. Jensen, and Trevor A. Branch. "The dynamics of fish populations at low abundance and prospects for rebuilding and recovery." ICES Journal of Marine Science 71, no. 8 (2014): 2141–51. http://dx.doi.org/10.1093/icesjms/fsu035.

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Abstract Previous meta-analysis of spawner–recruit relationships suggested that depensatory behaviour is uncommon, and stocks pushed to low abundance are unlikely to suffer decreases in recruitment more severe than would be expected based on the decline in spawning stock. Using an updated database that has over 100 stocks that were depleted to less than 20% of their maximum observed stock size, we tested for depensatory behaviour in both total surplus production and recruitment and we also examined the probability of stock increase as a function of stock size and fishing pressure. The number o

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Grewe, Peter M., and Paul D. N. Hebert. "Mitochondrial DNA Diversity among Broodstocks of the Lake Trout, Salvelinus namaycush." Canadian Journal of Fisheries and Aquatic Sciences 45, no. 12 (1988): 2114–22. http://dx.doi.org/10.1139/f88-246.

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Mitochondrial DNA was purified from 151 lake trout (Salvelinus namaycush) representing nine brood stocks along with an additional 30 fish from two natural populations. Eighteen restriction endonucleases were employed to analyze 126 brood stock fish. Two of these enzymes (Hind III and Bam HI) were used to examine the fish from the natural populations (Hare Island (Lake Superior) and North Knife Lake (Manitoba)) and the remaining brood stock samples from the Manitou (12 fish) and Seneca (13 fish) strains. The mitochondrial genome of the lake trout was 16 800 ± 200 base pairs in length. A single

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Rachman, Ana Sabrina. "The Investment Decisions in the Fish, Meat and Poultry Industries Using the Capital Asset Pricing Model (CAPM) Method: Period 2022." Jurnal Perspektif 21, no. 1 (2023): 40–44. http://dx.doi.org/10.31294/jp.v21i1.14860.

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This journal discusses the investment decisions in the Fish, Meat, & Poultry Industries Using the Capital Asset Pricing Model (CAPM) Method. This study uses a quantitative descriptive research method using a sample of 10 stocks from companies in the Fish, Meat, & Poultry sector that are listed on the Indonesia Stock Exchange continuously in the 2022 period. This study aims to see which companies will provide the highest returns that can exceed risk-free returns among companies in the fish, meat, & poultry sector in Indonesia and only stocks that have a return value more than the CA

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Mattiucci, S., P. Abaunza, S. Damiano, A. Garcia, M. N. Santos, and G. Nascetti. "Distribution of Anisakis larvae, identified by genetic markers, and their use for stock characterization of demersal and pelagic fish from European waters: an update." Journal of Helminthology 81, no. 2 (2007): 117–27. http://dx.doi.org/10.1017/s0022149x07754718.

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AbstractIn the present paper, recent results obtained on the use of different distributions observed in larval species of Anisakis, genetically identified by means of allozyme markers, for stock characterization of demersal (Merluccius merluccius), small (Trachurus trachurus) and large pelagic (Xiphias gladius) finfish species in European waters, are reviewed and discussed. Several species of Anisakis were identified in the three fish hosts: A. simplex (s.s.), A. physeteris, A. typica, A. ziphidarum,A. pegreffii, A. brevispiculata and A. paggiae. Canonical discriminant analysis performed on al

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Hightower, Joseph E., and Gary D. Grossman. "Optimal Policies for Rehabilitation of Overexploited Fish Stocks Using a Deterministic Model." Canadian Journal of Fisheries and Aquatic Sciences 44, no. 4 (1987): 803–10. http://dx.doi.org/10.1139/f87-098.

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Traditional fisheries models are of limited use during the transitional period when effort is reduced to permit recovery of an overexploited stock. We used a generalized age-structured model to represent stock dynamics during this transitional period and obtained optimal harvesting policies for three overexploited fish stocks using a first-order gradient procedure. The length of the rehabilitation period was affected by (1) the demographic characteristics of the stock, (2) the historical level of exploitation, and (3) the form of the objective function. When a target stock biomass or spawning

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Marteinsdottir, Gudrun, and Kristjan Thorarinsson. "Improving the stock-recruitment relationship in Icelandic cod (Gadus morhua) by including age diversity of spawners." Canadian Journal of Fisheries and Aquatic Sciences 55, no. 6 (1998): 1372–77. http://dx.doi.org/10.1139/f98-035.

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The size of the Icelandic cod stock has been gradually declining since the middle of this century. Recruitment has been poor over an extended period of time and much below the long-term average since 1985. Except for the concurrent decrease in stock size and recruitment during this period, the stock size - recruitment relationship is weak. This relationship is improved by including the age composition of the spawning stock. Spawning stock age diversity in each year from 1955 to 1992 was estimated with the Shannon index using the number of mature fish in each age group. By including information

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Beacham, Terry D., and Chris C. Wood. "Application of microsatellite DNA variation to estimation of stock composition and escapement of Nass River sockeye salmon (Oncorhynchus nerka)." Canadian Journal of Fisheries and Aquatic Sciences 56, no. 2 (1999): 297–310. http://dx.doi.org/10.1139/f98-167.

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Spawning escapements of individual Pacific salmon stocks returning to remote spawning locations throughout large river systems can in theory be estimated by mixed-stock analysis of appropriately weighted samples from test fisheries near the river mouth. However, the feasibility of this approach has usually been limited by practical difficulties in identifying closely related populations within the same watershed. Microsatellite DNA techniques offer new promise for overcoming these limitations as illustrated for sockeye salmon (Oncorhynchus nerka) in the Nass River of northern British Columbia.

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Yolanda Sianturi, Triase Triase, and Fathiya Hasyifah Sibarani. "Pengendalian Stok Ikan Berbasis Website Menggunakan Metode EOQ dan JIT di PT. Agung Sumatera Samudera Abadi (ASSA) Sibolga." JURNAL PENELITIAN SISTEM INFORMASI (JPSI) 3, no. 1 (2025): 40–57. https://doi.org/10.54066/jpsi.v3i1.2960.

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The company PT. Agung Sumatera Samudera Abadi (ASSA) Sibolga sales system still uses a manual system using notebooks. So that it can slow down the way employees work and become ineffective. limitations in monitoring and controlling stock in real-time and fish stock supplies also often occur shortages or excesses which can result in losses. The shortage of fish stock is caused by the frequency of fish demand being greater than the stock provided. While the excess fish stock is caused by the frequency of fish demand being less than the stock provided. so using the Economic Order Quantity (EOQ) a

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