Relevant bibliographies by topics / Ommastrephes bartramii

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Academic literature on the topic 'Ommastrephes bartramii'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Journal articles on the topic "Ommastrephes bartramii"

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Fernández-Álvarez, Fernando Á., Heather E. Braid, Chingis M. Nigmatullin, Kathrin S. R. Bolstad, Manuel Haimovici, Pilar Sánchez, Kurichithara K. Sajikumar, Nadakkal Ragesh, and Roger Villanueva. "Global biodiversity of the genus Ommastrephes (Ommastrephidae: Cephalopoda): an allopatric cryptic species complex." Zoological Journal of the Linnean Society 190, no. 2 (March 20, 2020): 460–82. http://dx.doi.org/10.1093/zoolinnean/zlaa014.

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Abstract Cryptic speciation among morphologically homogeneous species is a phenomenon increasingly reported in cosmopolitan marine invertebrates. This situation usually leads to the discovery of new species, each of which occupies a smaller fraction of the original distributional range. The resolution of the taxonomic status of species complexes is essential because species are used as the unit of action for conservation and natural resource management politics. Before the present study, Ommastrephes bartramii was considered a monotypic cosmopolitan species with a discontinuous distribution. Here, individuals from nearly its entire distributional range were evaluated with mitochondrial DNA (cytochrome c oxidase subunit I and 16S rRNA). Four distinct species were consistently identified using four molecular species delimitation methods. These results, in combination with morphological and metabolic information from the literature, were used to resurrect three formerly synonymized names (Ommastrephes brevimanus, Ommastrephes caroli and Ommastrephes cylindraceus) and to propose revised distributional ranges for each species. In addition, diagnostic characters from the molecular sequences were incorporated in the species description. At present, only one of the four newly recognized species (Ommastrephes bartramii) is commercially exploited by fisheries in the North Pacific, but it now appears that the distributional range of this species is far smaller than previously believed, which is an essential consideration for effective fisheries management.
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2

Yokawa, K. "Allozyme differentiation of sixteen species of ommastrephid squid (Mollusca, Cephalopoda)." Antarctic Science 6, no. 2 (June 1994): 201–4. http://dx.doi.org/10.1017/s0954102094000313.

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Allozyme differentiation was investigated at 23 putative enzyme coding loci in 16 ommastrephid squids to identify species and to assess genetic relationships. The species examined were Illex illecebrosus, I. coindetii, I. argentinus, Todaropsis eblanae, Todarodes sagittatus, T. angolensis, T. filippovae, T. pacificus pacificus, Nototodarus sloanii, N. gouldi, Martialia hyadesi, Ommastrephes bartramii, Sthenoteuthis pteropus, S. oualaniensis, Eucleoteuthis luminosa, and Dosidicus gigas. A dendrogram based on Nei's genetic distance between the species closely approximates to the latest systematics based on morphological characters, but the positions of M. hyadesi and T. eblanae were considerably distant from all other species. The results demonstrate the benefits of further biochemical analysis to an understanding of the systematics of the ommastrephid squids.
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Parry, M. "Feeding behavior of two ommastrephid squids Ommastrephes bartramii and Sthenoteuthis oualaniensis off Hawaii." Marine Ecology Progress Series 318 (August 3, 2006): 229–35. http://dx.doi.org/10.3354/meps318229.

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4

Parry, Matthew. "Trophic variation with length in two ommastrephid squids, Ommastrephes bartramii and Sthenoteuthis oualaniensis." Marine Biology 153, no. 3 (September 19, 2007): 249–56. http://dx.doi.org/10.1007/s00227-007-0800-3.

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Wang, Jintao, Xinjun Chen, Kisei Tanaka, Jie Cao, and Yong Chen. "Environmental influences on commercial oceanic ommastrephid squids: a stock assessment perspective." Scientia Marina 81, no. 1 (March 27, 2017): 37. http://dx.doi.org/10.3989/scimar.04497.25b.

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Ommastrephid squids are short-lived ecological opportunists and their recruitment is largely driven by the surrounding environment. While recent studies suggest that recruitment variability in several squid species can be partially explained by environmental variability derived from synoptic oceanographic data, assessment of ommastrephid stocks using environmental variability is rare. In thisstudy, we modified asurplus production model to incorporate environmental variability into the assessment of threeommastrephid squids (Ommastrephes bartramii in the northwest Pacific, Illex argentinus in the southwest Atlantic and Dosidicus gigas in the southwest Pacific). We assumed that the key environmental variables—suitable sea surface temperature on spawning grounds during the spawning seasons and feeding grounds during the feeding seasons—have effects on the carrying capacity and the instantaneous population growth rate, respectively, in the surplus production model. For each squid stock, the assessment model with environmental variability had the highest fitting accuracy and the lowest mean squared error and coefficient of variation, and the management reference points based on the optimal model were more precautionary. This study advances our understanding of the interactions between the environment and ommastrephid squid population dynamics and can therefore improve the management of these commercially valuable stocks with a short life cycle.
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Chen, Chih-Shin. "Abundance trends of two neon flying squid (Ommastrephes bartramii) stocks in the North Pacific." ICES Journal of Marine Science 67, no. 7 (June 17, 2010): 1336–45. http://dx.doi.org/10.1093/icesjms/fsq063.

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Abstract Chen, C-S. 2010. Abundance trends of two neon flying squid (Ommastrephes bartramii) stocks in the North Pacific. – ICES Journal of Marine Science, 67: 1336–1345. Two stocks of neon flying squid (Ommastrephes bartramii) have been identified in the North Pacific, with differing life-history traits and geographic distributions, one in the Northeast Pacific and the other in the Northwest Pacific, each with seasonal cohorts. Both stocks are targeted by commercial fishing fleets from China, Japan, and Taiwan. The variability in abundance for each stock has been studied independently, but a comparable analysis between the two stocks is lacking. The abundance trends for the two stocks were examined using catch data from the Taiwanese squid fishery between 1986 and 2006. A time-series of monthly catch per unit effort and three explanatory variables, sea surface temperature in the presumed hatching grounds, the Southern Oscillation Index, and the number of vessels, were analysed using dynamic factor analysis to quantify squid abundance. The optimal model contained one common trend and all three explanatory variables. The Northwest Pacific and Northeast Pacific stocks exhibited opposing trends in abundance, and the results suggest that large-scale environmental factors, rather than regional factors, are more critical in influencing the abundance of oceanic squid species.
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Chen, Xin Jun, Xiao Hu Zhao, and Yong Chen. "Influence of El Niño/La Niña on the western winter–spring cohort of neon flying squid (Ommastrephes bartramii) in the northwestern Pacific Ocean." ICES Journal of Marine Science 64, no. 6 (July 11, 2007): 1152–60. http://dx.doi.org/10.1093/icesjms/fsm103.

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Abstract Chen, X. J., Zhao, X. H., and Chen, Y. 2007. Influence of El Niño/La Niña on the western winter–spring cohort of neon flying squid (Ommastrephes bartramii) in the northwestern Pacific Ocean. – ICES Journal of Marine Science, 64: 1152–1160. Ommastrephes bartramii is an oceanic squid distributed widely in the North Pacific, and its western winter–spring cohort is the target of a traditional squid fishery. Commercial fisheries data from the Chinese mainland squid-jigging fleet for the period 1995–2004 were analysed with respect to environmental variables. Sea surface temperature anomalies (SSTA) in the Niño 3.4 region had the strongest negative correlation with the SSTA of feeding and spawning grounds of the squid, with a time-lag of three and eight months (p < 0.05), respectively. A La Niña event would result in a decrease in squid recruitment through variability in environmental conditions on the spawning grounds, whereas an El Niño event would lead to environmental conditions favourable to squid recruitment. El Niño/La Niña events also influenced squid distribution on the feeding grounds, resulting in a northward shift of the fishing grounds in La Niña years and a southward shift in El Niño years. A multiple linear regression equation was derived to describe the dependence of the squid abundance index on environmental variables.
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8

Alabia, Irene D., Sei-Ichi Saitoh, Hiromichi Igarashi, Yoichi Ishikawa, and Yutaka Imamura. "Spatial Habitat Shifts of Oceanic Cephalopod (Ommastrephes bartramii) in Oscillating Climate." Remote Sensing 12, no. 3 (February 5, 2020): 521. http://dx.doi.org/10.3390/rs12030521.

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Short- and long-term climate oscillations impact seascapes, and hence, marine ecosystem structure and dynamics. Here, we explored the spatio-temporal patterns of potential squid habitat in the western and central North Pacific across inter-decadal climate transitions, coincident with periods of persistent warming and cooling. Potential habitat distributions of Ommastrephes bartramii were derived from the outputs of multi-ensemble species distribution models, developed using the most influential environmental factors to squid distribution and occurrence data. Our analyses captured the underlying temporal trends in potential squid habitat in response to environmental changes transpiring at each climatic transition, regulated by phase shifts in Pacific decadal oscillation (PDO) from 1999–2013. The spatial differences in environmental conditions were apparent across transitions and presumably modulate the local changes in suitable squid habitat over time. Specifically, during a cold to warm PDO shift, decreases in the summer potential habitat (mean rate ± standard deviation: −0.04 ± 0.02 habitat suitability index (HSI)/yr) were observed along the southern edge of the subarctic frontal zone (162°E–172°W). Coincidentally, this area also exhibits a warming trend (mean temporal trend: 0.06 ± 0.21 °C/yr), accompanied with the prevalence of cold-core mesoscale eddies, west of the dateline (mean temporal trend in sea surface height: −0.19 ± 1.05 cm/yr). These conditions potentially generate less favorable foraging habitat for squid. However, a warm-to-cold PDO transition underpins a northward shift of suitable habitat and an eastward shift of regions exhibiting the highest rate of potential squid habitat loss (170–160°W; mean temporal trend: −0.05 ± 0.03 HSI/yr). Nonetheless, the emergence of the areas with increasingly suitable habitat regardless of climate transitions suggests the ecological importance of these regions as potential squid habitat hotspots and climatic refugia.
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9

Ding, Qi, Jie Cao, and Xinjun Chen. "Stock assessment of the western winter-spring cohort of Ommastrephes bartramii in the Northwest Pacific Ocean using a Bayesian hierarchical DeLury model based on daily natural mortality during 2005-2015." Scientia Marina 83, no. 2 (June 18, 2019): 155. http://dx.doi.org/10.3989/scimar.04783.10a.

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The purpose of this study was to evaluate the effect of the intensive commercial jigging fishery on the western winter-spring cohort of neon flying squid (Ommastrephes bartramii) in the Northwest Pacific Ocean and to estimate the exploitation status of this stock during the period 2005-2015. We applied a Bayesian hierarchical DeLury depletion model to the Chinese jigging fisheries data to estimate the stock abundance and catchability for each year, and sensitivity analysis on daily natural mortality (M) was conducted. The results indicated that M values had great impacts on the overall estimates of stock size. Initial annual population sizes varied from 66 to 662 million individuals with the M value of 0.003-0.01 per day during the study period. O. bartramii suffered from a certain degree of overexploitation in 2008. The proportional escapement values (M=0.003-0.01) were 8.94% to 19.82% in 2008, with an average of 13.74%, which may have led to a low abundance of O. bartramii and annual catch since 2009. As short-lived ecological opportunists, O. bartramii are extremely sensitive to changes in multi-scale environmental conditions, especially when anomalous environmental conditions occur, and significant between-year variations in the initial abundance resulted in O. bartramii suffering from a certain degree of overexploitation in 2010. Although the proportional escapement met the management target of 40% from 2011 to 2015, the stock size and annual catch still fluctuated at relatively low levels. Improved knowledge of the influences of environmental conditions on abundance of the western winter-spring cohort of neon flying squid can contribute to the sustainable management of this stock.
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Yu, Wei, Xinjun Chen, Yang Zhang, and Qian Yi. "Habitat suitability modelling revealing environmental-driven abundance variability and geographical distribution shift of winter–spring cohort of neon flying squid Ommastrephes bartramii in the northwest Pacific Ocean." ICES Journal of Marine Science 76, no. 6 (April 14, 2019): 1722–35. http://dx.doi.org/10.1093/icesjms/fsz051.

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Abstract To identify climate-related habitat changes and variations in abundance and distribution of Ommastrephes bartramii in the northwest Pacific Ocean, an habitat suitability index (HSI) model was developed in this study including sea surface temperature (SST), photosynthetically active radiation (PAR), and sea surface height anomaly (SSHA). The catch-per-unit-effort (CPUE) of O. bartramii gradually decreased between 2006 and 2015, and the latitudinal gravity centres (LATG) of the fishing effort shifted southward. Correlation analyses suggested that CPUE was positively related to SST, PAR, and the areas of suitable and optimal habitat, but negatively correlated with SSHA and the percentages of poor habitat. A significantly positive correlation was found between the LATG and the average latitude of the most preferred SST, PAR, and the average latitude of the area with an HSI between 0.9 and 1.0. From 2006 to 2015, the annual declined CPUE was highly consistent with the increase in areas of poor habitat and the reduction in areas of suitable and optimal habitats. The south-approaching LATG coincided with the southward migration pattern of the latitude of the HSI area in the range of 0.9–1.0. Moreover, compared to the El Niño events, the La Niña events, and normal climate condition yielded enlarged suitable habitat areas for O. bartramii, and the LATG moved further north.
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Dissertations / Theses on the topic "Ommastrephes bartramii"

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Parry, Matthew P. "The trophic ecology of two ommastrephid squid species, Ommastrephes bartramii and Sthenoteuthis oualaniensis, in the north Pacific sub-tropical gyre." Thesis, University of Hawaii at Manoa, 2003. http://hdl.handle.net/10125/3068.

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This paper examines the trophic ecology of the squids Ommastrephes bartramii and Sthenoteuthis oualaniensis, using stomach contents and stable isotopic techniques. Simple energetics models were constructed using some of the data collected. Samples for stomach contents were collected from 1996-2001 and 323 O. bartramii and 302 S. oualaniensis were captured. Fish and cephalopod remains dominated the stomach contents. Myctophids were found most abundantly in both squids, Symbolophorus evermanni was recovered at the highest percentage (7.5%) in O. bartramii, while M. lychnobium or spinosum, Lobianchia gemellerii, and Myctophum selenoides were all recovered at similar proportions (≃5%). Of the Myctophidae found in S. oualaniensis stomachs, S. evermanni was the most abundant (37%), followed by C. warmingii and H. proximum/rheinhardti (both ≃15%), and M. Iychnobium (5%). Beaks from Onychoteuthidae occurred most frequently (14%) in O. bartramii, while Histioteuthidae, Enoploteuthidae, and unidentified beaks all occurred at similar frequencies (10-12%). In S. oualaniensis, Enoploteuthidae occurred most frequently (17%) followed by Onychoteuthidae (10%). The diet of O. bartramii was more general while S. oualaniensis diet was more specialized on certain prey groups. From 1998-2001 samples were taken from captured squids for stable isotope analyses, 143 O. bartramii and 160 S. oualaniensis. SIA was conducted on the mantle muscle of O. bartramii that were divided into five categories based on mantle length, (1-7 mm) was 6.4 , (75-100 mm) was 6.9 , (200-300 mm) was 11.1 , (300-400) was 13.3%, (400-570 mm) was 12.8 . The S15N values for all O. bartramii mantle muscle samples showed a logistic increase with mantle length. The mean S15N value for S. oualaniensis sub-adult and adult mantle muscle (128 to 324 mm) was 8.2 The mean S15N value for paralarvae was 6.2 . The S15N values for all S. oualaniensis mantle muscle samples showed an exponential increase with mantle length. Eye lenses, and blood samples were also taken from each squid species and showed similar patterns of S15N increase with mantle length respectively, blood was unavailable in the smaller size ranges of O. bartramii.
Thesis (Ph. D.)--University of Hawaii at Manoa, 2003.
Mode of access: World Wide Web.
Includes bibliographical references (leaves 37-43).
Electronic reproduction.
Also available by subscription via World Wide Web
iii, 285 leaves, bound ill. 29 cm
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2

Shieh, Huey-Huey, and 謝蕙卉. "Microsatellite DNA variations for the neon flying squid (Ommastrephes bartramii) in the western North Pacific." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/83413830644585870582.

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3

CHEN, CHIH-SHIN, and 陳志炘. "Inference on the stocks relationship of neon flying squid (Ommastrephes bartramii) in the North Pacific based on demographic analysis." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/25233032333420406780.

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博士
國立臺灣大學
動物學研究所
91
The neon flying squid, Ommastrephes bartramii (Lesueur), is a widespread oceanic squid, ranged from subtropical to temperate zones. In this study, tempo-spatial distribution patterns of the squid were extracted from catch analysis, based on the data set of 1986 - 2000. Demographic parameters, which included hatching date and growth pattern, were estimated from statolith microanalysis, based on squid samples taken from 1997 — 1998. In general, the species is subdivided into 2 stocks geographically and 2 cohorts seasonally in the North Pacific, and each group can be characterized by specific traits. Finally, I propose a migration model for the species, in order to linking the demographic differences to the prevailing North Pacific temperature regimes. The evidences that support my proposition are followed. 1. In the catch statistics analysis, there are apparent two interrupted fishing grounds of NE and NW, demarcated by a longitudinal line around 165°- 170°E. The CPUE scatter plots indicated that high concentration of squid was located at 40°N in the NE, while it shifted to 44°- 45°N in NW. 2. By principal component analysis on the CPUE’s and environmental factors, I found two scatter groups corresponding to the NE and NW stocks. In the meanwhile, higher abundance of the squid in the NE Pacific was correlated to water temperature and salinity, and further that water temperature had higher estimation power to locate a higher abundance site. The concentration of squid in the North Pacific was also associated with the strength of the Subarctic Front Zone. 3. By back-estimation of hatching dates, calculated from statolith daily counts, two geographical population of O. bartramii had two distinguishable hatching seasons. Two cohorts of autumn and winter were identified in the northeastern (NE) North Pacific, while only a comparable winter cohort was distinctive in the northwestern (NW). The seasonal cohorts illustrated by large-sized female can be separated by a size at 350 mm mantle length. 4. By fitting the ML-at-age into various growth functions, we found the growth pattern varied among groups. The NE small females and males, and NW large females grew innately as fitted by a power function; however, NE large females, and NW small females and males decreased their growth rate gradually as described by Gompertz function. Finally, a large-scale migration pattern of O. bartramii in the North Pacific was considered collectively: the squid spawning in the Subtropical Domain and feeding in the Subarctic Front Zone in general. Further detailed that the NW-S female and male squids migrate a short route, as they encounter lower temperature at their earlier life. Longer migratory route is possibly for large females as they experienced longer life span (> 230 d and > 350 mm ML). Indistinguishable growth parameters shown by NE and NW large females suggest a bifurcating population originated from eastern North Pacific, and part of the population migrates across the geographic boundary at a longitude of 170°E.
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4

Lui, Shu-Hai, and 呂樹海. "Bioeconomic analysis of northwest pacific Ommastrephes bartrami." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/08643180237689415463.

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碩士
國立中山大學
經濟學研究所
98
In this research, using the statistic catch data of northwest pacific Ommastrephes bartrami from the Overseas Fisheries Development council of The Republic of China between 1997 to 2007 and FAO between 1982 to 2007 to conduct and resource assessment on Ommastrephes bartrami. First of all, calculate and compare the equilibrium levels of open access fishery and present value maximization fishery, then evaluate the stock size of Ommastrephes bartrami and compare the equilibrium levels of two models with the statistic readings, the result shows the Ommastrephes bartrami has no sign of depletion. By using sensitivity analysis, we understand the changes on the effort and stock effected by varying different parameters. Finally, by simulating the stock size of open access fishery and present value maximization fishery, we find that unrestricted developing can end up the resources, but Ommastrephes bartrami will receive sustainable development, if it can be effectively managed. And expect that the results can be a management reference for the management of Ommastrephes bartrami fisheries.
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Books on the topic "Ommastrephes bartramii"

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Nōrin Suisan Gijutsu Kaigi. Jimukyoku. Akaika no kōsentakusei gyokaku gijutsu no kaihatsu. Tōkyō: Nōrin Suisan Gijutsu Kaigi Jimukyoku, 1995.

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2

Shaw, William. 1990 and 1991 experimental commercial jig fishery for neon flying squid (Ommastrephes bartrami) off the west coast of British Columbia. Nanaimo, B.C: Dept. of Fisheries and Oceans, Pacific Biological Station, 1995.

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3

Japan, Fisheries Agency of, Canada. Dept. of Fisheries and Oceans., United States. National Marine Fisheries Service., and U.S. Fish and Wildlife Service., eds. Final report of squid and bycatch observations in the Japanese driftnet fishery for neon flying squid (Ommastrephes bartrami): June - December, 1989 observer program. [Shizuoka, Japan: Fisheries Agency of Japan], 1990.

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Conference papers on the topic "Ommastrephes bartramii"

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Liu, Yu, Quanan Zheng, and Xiaofeng Li. "The impact of oceanographic conditions on fishing ground distribution of flying squid (Ommastrephes bartrami) in the Western North Pacific using remotely sensed satellite data." In 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS). IEEE, 2017. http://dx.doi.org/10.1109/igarss.2017.8127417.

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