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Letteratura scientifica selezionata sul tema "Sailfish"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 1 febbraio 2022

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Articoli di riviste sul tema "Sailfish"

1

Mourato, Bruno L., Felipe Carvalho, Michael Musyl, Alberto Amorim, Jose C. Pacheco, Humberto Hazin e Fábio Hazin. "Short-term movements and habitat preferences of sailfish, Istiophorus platypterus (Istiophoridae), along the southeast coast of Brazil". Neotropical Ichthyology 12, n. 4 (24 ottobre 2014): 861–70. http://dx.doi.org/10.1590/1982-0224-20130102.

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Pop-up satellite archival tags (PSATs) were deployed on four sailfish, Istiophorus platypterus, in the coastal waters of Rio de Janeiro State in southeast Brazil during January and February of 2009 (sailfish I and II) and between November 2010 and January 2011 (sailfish III and IV). The total number of days monitored (i.e., time that the tags remained attached) were 12 (sailfish I), 51 (sailfish II), 16 (sailfish III) and 43 days (sailfish IV). The results indicate a clear pattern of vertical habitat utilization with the majority of the time spent concentrated near the uniform sea surface layer occupying a relatively narrow temperature range. Despite the clear preference for epipelagic surface waters, sailfish regularly undertook vertical excursions into deeper waters (>50 m) within three to six hour intervals. "Most Probable Tracks" (estimated from raw geolocations using the state-space Kalman filter model) and linear displacements suggested that tagged sailfish did not move significant distances from the tagging site. In brief, our report provides information regarding the biology of sailfish in the southwestern Atlantic and how vertical distributions during the day and night are influenced by water temperature and how this information can improve sailfish stock assessments in southwestern Atlantic Ocean.

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2

Martinez-Rincon, Raul O., Sofia Ortega-Garcia, Juan G. Vaca-Rodriguez e Shane P. Griffiths. "Development of habitat prediction models to reduce by-catch of sailfish (Istiophorus platypterus) within the purse-seine fishery in the eastern Pacific Ocean". Marine and Freshwater Research 66, n. 7 (2015): 644. http://dx.doi.org/10.1071/mf14062.

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Sailfish (Istiophorus platypterus) is an important apex predator in neritic and oceanic pelagic ecosystems. The species is also a primary target of important catch-and-release sport fisheries that the support local economies of developing countries. However, commercial purse-seine fisheries that target tuna in the eastern Pacific Ocean (EPO) incidentally catch and discard large numbers of sailfish. Sailfish by-catch data recorded by scientific observers in the Mexican tuna purse-seine fleet in the EPO from 1998 to 2007 was used in generalised additive models (GAMs) to predict environmental and spatial preferences of sailfish. GAM predicted the highest sailfish catches to occur in coastal waters during El Niño events during late autumn and winter, with sea surface temperatures >26°C, with negative values of deviation in sea surface height (<–10cm), and low chlorophyll-a (<0.25mgm–3). GAM predicted that the catch probability for sailfish increased 1.8-fold during El Niño events in coastal waters and 1.5-fold under La Niña. However, the spatial distribution of sailfish remained largely unchanged during El Niño and La Niña events. Our models may be an additional fisheries management tool that may be used to support temporary spatial-temporal throughout the fishing season to reduce sailfish by-catch in the EPO.

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3

Pohlot, Bruce G., e Nelson Ehrhardt. "An analysis of sailfish daily activity in the Eastern Pacific Ocean using satellite tagging and recreational fisheries data". ICES Journal of Marine Science 75, n. 2 (22 maggio 2017): 871–79. http://dx.doi.org/10.1093/icesjms/fsx082.

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AbstractAnalysing hourly behavioural patterns of Pacific sailfish, Istiophorus platypterus, provide an ecological perspective relative to their exploitation. In the Pacific off Central America, sailfish sustain important recreational fisheries while impacted as bycatch in commercial tuna fisheries. Given their susceptibility and potential for overexploitation, it is important to define their behavioural activity to better regulate exploitation patterns. In this study, we discuss concepts of sailfish vision related to light availability and its role on successful foraging patterns. For this purpose, activity patterns were analysed using data collected by satellite tags equipped with accelerometers and, separately, recreational fishery statistics from the region. Data are incorporated with physical and ecological information to offer a means of analysing hourly habitat use. The results reveal a positive photokinetic response to sunlight in both sailfish acceleration activity and recreational fishery statistics. Tagged sailfish also showed this activity increase as a response to full moon light. Such information is further integrated with knowledge of intra-species relationships and other key species within the pelagic fish community. Findings on daily behaviour allow the drawing of some generic conceptualizations that aid understanding of sailfish community dynamics in the region.

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4

Bubley, WJ, B. Galuardi, AW Dukes e WE Jenkins. "Incorporating depth into habitat use descriptions for sailfish Istiophorus platypterus and habitat overlap with other billfishes in the western North Atlantic". Marine Ecology Progress Series 638 (19 marzo 2020): 137–48. http://dx.doi.org/10.3354/meps13239.

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The sailfish Istiophorus platypterus is a circumglobal billfish species. It is commonly targeted in recreational fisheries and caught as by-catch in commercial fisheries, and therefore fisheries management would benefit from an enhanced understanding of basic patterns of the species’ daily and seasonal movements. Between 2002 and 2007, 87 billfish were tagged with pop-off satellite archival tags in the Atlantic waters off the coast of South Carolina, USA, including sailfish (n = 54), blue marlin Makaira nigricans (n = 15), and white marlin Kajikia albida (n = 18). Only fish meeting specific tag program criteria and length of tag attachment were selected for further analysis (sailfish, n = 19; blue marlin, n = 4; white marlin, n = 3). Differential horizontal and vertical movement patterns were observed within sailfish by season. Two- and three-dimensional (3D) analyses showed differential spatial niche use by sailfish. Among the istiophorid species, 3D analysis showed less overlap when occupying similar horizontal areas. The results from this study, in conjunction with similar studies from other areas, provide a better understanding of habitat usage that can be applied to address uncertainties in ecology or management, such as characterization of stock structure, identifying potential spawning habitat or intra-specific competition, providing correction factors for indices of abundance, and characterizing vulnerability to fishing gear.

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5

Graves, John E., e Jan R. McDowell. "Stock structure of the world's istiophorid billfishes: a genetic perspective". Marine and Freshwater Research 54, n. 4 (2003): 287. http://dx.doi.org/10.1071/mf01290.

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Istiophorid billfishes are highly migratory species that inhabit the tropical and subtropical, epipelagic waters of the world's oceans, a large, relatively homogeneous environment that lacks significant physical barriers. Based on these observations alone, one would not expect marlins, sailfish and spearfishes to exhibit substantial stock structure. This assumption has been evaluated with a variety of techniques, including analyses of morphological characters, adult distribution, tag and recapture data, the spatial and temporal distribution of spawning and, recently, molecular genetic characters. This paper focuses on inferences of istiophorid billfish stock structure derived from investigation of several different classes of molecular markers, and reviews our current understanding of the genetic basis of stock structure of striped marlin, white marlin, blue marlin, sailfish and black marlin. Significant genetic differences exist between Atlantic and Indo-Pacific populations of blue marlin and sailfish, and the presence of distinct mitochondrial DNA lineages suggests that ocean populations were isolated in the past. However, the occurrence of identical genotypes in both oceans is evidence of recent genetic contact. The genetic data do not support recognition of separate Atlantic and Indo-Pacific species of blue marlin or sailfish. White and striped marlin are separated by about the same level of genetic divergence as Atlantic and Indo-Pacific populations of blue marlin and sailfish, but preliminary analysis of the mitochondrial DNA control region suggests that, unlike Atlantic and Indo-Pacific populations of blue marlin and sailfish, white marlin and striped marlin represent independent evolutionary units. If white and striped marlin are valid species, they are of very recent origin. Significant intraspecific genetic heterogeneity was found among collections of striped marlin and sailfish within the Indo-Pacific; both species exhibited a clear spatial partitioning of genetic variation among geographically distant collection locations. There was no genetic evidence for within-ocean population structuring for other istiophorids examined. Inferences of billfish stock structure derived from studies of molecular markers complement those obtained using other methods of analysis, and together these studies demonstrate substantial differences in the level of population structuring among istiophorid billfishes, information critical for effective management of these highly migratory species.

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6

Krause, J., J. E. Herbert-Read, F. Seebacher, P. Domenici, A. D. M. Wilson, S. Marras, M. B. S. Svendsen et al. "Injury-mediated decrease in locomotor performance increases predation risk in schooling fish". Philosophical Transactions of the Royal Society B: Biological Sciences 372, n. 1727 (3 luglio 2017): 20160232. http://dx.doi.org/10.1098/rstb.2016.0232.

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The costs and benefits of group living often depend on the spatial position of individuals within groups and the ability of individuals to occupy preferred positions. For example, models of predation events for moving prey groups predict higher mortality risk for individuals at the periphery and front of groups. We investigated these predictions in sardine ( Sardinella aurita ) schools under attack from group hunting sailfish ( Istiophorus platypterus ) in the open ocean. Sailfish approached sardine schools about equally often from the front and rear, but prior to attack there was a chasing period in which sardines attempted to swim away from the predator. Consequently, all sailfish attacks were directed at the rear and peripheral positions of the school, resulting in higher predation risk for individuals at these positions. During attacks, sailfish slash at sardines with their bill causing prey injury including scale removal and tissue damage. Sardines injured in previous attacks were more often found in the rear half of the school than in the front half. Moreover, injured fish had lower tail-beat frequencies and lagged behind uninjured fish. Injuries inflicted by sailfish bills may, therefore, hinder prey swimming speed and drive spatial sorting in prey schools through passive self-assortment. We found only partial support for the theoretical predictions from current predator–prey models, highlighting the importance of incorporating more realistic predator–prey dynamics into these models. This article is part of the themed issue ‘Physiological determinants of social behaviour in animals’.

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7

Hoolihan, John. "Sailfish movement in the Arabian Gulf: a summary of tagging efforts". Marine and Freshwater Research 54, n. 4 (2003): 509. http://dx.doi.org/10.1071/mf01252.

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In Arabian Gulf waters of the United Arab Emirates, sailfish (Istiophorus platypterus) are seasonally resident from October through April. Recreational anglers started occasional, self-initiated tagging in 1983. Tags originating from one local and five foreign agencies have been infixed. Early tagging and recovery data was often obscure or lost. In 1997, a concerted effort to understand migration cycles began by consolidating tagging practices and monitoring tag recoveries. Conventional dart tags were infixed on 1871 sailfish from 15 April 1996 to 21 April 2001. Recovered tags (n = 92), as of 16 July 2001, indicated a recapture rate of 4.91%. Of these, 90.21% (n = 83) were recovered during May/June in Iranian waters and represent springtime migratory movement leading north-west, further into the Gulf. Time-at-large for all recaptures ranged from 17 to 1148 days, while point-to-point travel extended from 2.5 to 697 km. Sailfish recaptured in the same year (n = 59) and exhibiting migratory movement travelled a mean distance of 474 km. Location of sailfish during late July through September is unknown, owing to deficiencies in tag recoveries, catch data and anecdotal information. The use of pop-up satellite tags is underway to address this question.

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8

Luthy, Stacy A., Joseph E. Serafy, Robert K. Cowen, Kelly L. Denit e Su Sponaugle. "Age and growth of larval Atlantic sailfish, Istiophorus platypterus". Marine and Freshwater Research 56, n. 7 (2005): 1027. http://dx.doi.org/10.1071/mf05048.

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Of the Atlantic istiophorid billfishes, larval age–size relationships and growth rates have been examined only for blue marlin (Makaira nigricans). Using otolith microincrement analysis, we describe age–length and age–weight relationships for larval sailfish (Istiophorus platypterus) collected from the Straits of Florida. Sagittae and lapilli were dissected from 70 larvae ranging from 2.8 to 15.2 mm in (notochord or standard) length. Comparisons between otolith images obtained by light microscopy and scanning electron microscopy indicated that increment widths were well within the resolving power of light microscopy. Indirect evidence and published descriptions of larval blue marlin otoliths suggest daily increment deposition. Estimated ages of specimens ranged from 3 to 18 days. Length data were fitted to age estimates with an exponential model (R2 = 0.85). The estimated size-at-hatch for sailfish was 1.96 mm notochord length, and the daily instantaneous growth coefficient was 0.14. A power curve with exponent 3.05 described the length–dry weight relationship for sailfish. The instantaneous growth coefficient for an exponential regression of dry weight, converted from length, versus estimated age was 0.41. Growth in the length of sailfish larvae from the Straits of Florida was very similar to that described for blue marlin larvae from Exuma Sound, Bahamas.

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9

Archer, C. Ruth. "Lateralisation helps sailfish snatch sardines". Journal of Experimental Biology 220, n. 11 (31 maggio 2017): 1934.2–1935. http://dx.doi.org/10.1242/jeb.147389.

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10

Domenici, P., A. D. M. Wilson, R. H. J. M. Kurvers, S. Marras, J. E. Herbert-Read, J. F. Steffensen, S. Krause, P. E. Viblanc, P. Couillaud e J. Krause. "How sailfish use their bills to capture schooling prey". Proceedings of the Royal Society B: Biological Sciences 281, n. 1784 (7 giugno 2014): 20140444. http://dx.doi.org/10.1098/rspb.2014.0444.

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The istiophorid family of billfishes is characterized by an extended rostrum or ‘bill’. While various functions (e.g. foraging and hydrodynamic benefits) have been proposed for this structure, until now no study has directly investigated the mechanisms by which billfishes use their rostrum to feed on prey. Here, we present the first unequivocal evidence of how the bill is used by Atlantic sailfish ( Istiophorus albicans ) to attack schooling sardines in the open ocean. Using high-speed video-analysis, we show that (i) sailfish manage to insert their bill into sardine schools without eliciting an evasive response and (ii) subsequently use their bill to either tap on individual prey targets or to slash through the school with powerful lateral motions characterized by one of the highest accelerations ever recorded in an aquatic vertebrate. Our results demonstrate that the combination of stealth and rapid motion make the sailfish bill an extremely effective feeding adaptation for capturing schooling prey.

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Più fonti

Tesi sul tema "Sailfish"

1

Hoolihan, John P. "Biology of Arabian Gulf sailfish". Connect to this title online, 2005. http://www.library.unsw.edu.au/%7Ethesis/adt-NUN/public/adt-NUN20050607.184544/.

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2

Hoolihan, John Paul Jr School of Biological Earth &amp Environmental Sciences UNSW. "Biology of Arabian Gulf sailfish". Awarded by:University of New South Wales. School of Biological, Earth and Environmental Sciences, 2005. http://handle.unsw.edu.au/1959.4/20755.

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Biological and life history characteristics for a previously unstudied population of sailfish, Istiophorus platypterus, in the Arabian Gulf were investigated. Notable findings include temporal-spatial migration patterns for a genetically isolated population that is threatened by overexploitation. Conventional tagging resulted in 2053 releases and 114 recaptures (5.55%) inside the Gulf. Linear displacement ranged from 2.5 to 697 km, while days at liberty ranged from 17 to 818 days. Dead recoveries in Iranian gillnets account for 88.6% of recaptures. Modeling analyses produced a best estimate of annual survival probability (S) at 0.375 (slope = -0.101, SE = 0.324). Fifteen pop-up satellite archival tags were deployed on sailfish during 2001 - 2002 to track temporal and spatial movements. Extensive data from four tags showed 83.7% of time-at-depth was spent above 10 m with no significant difference (P < 0.05) in diel preference. Depth ranged from 0.0 m to 61.0 m, while temperature ranged from 19.7 ??C to 30.1 ??C. Small-scale movements of eight sailfish were measured using ultrasonic tracking for periods ranging from 3:33 to 53:06 hours. Track distances ranged from 5.5 to 78.5 km, while linear displacement ranged from 4.6 to 37.0 km. Average speed ranged from 0.29 to 0.75 m s-1. Vertical distributions showed 84.3% of time was spent above 10 m depth, even though water temperature showed negligible variation with depth. Mitochondrial DNA comparison of 147 sailfish produced 39 composite haplotypes using eight restriction enzymes. Significant differences occurred in the frequency between population groups inside and outside the Gulf (amova 34.8%, P < 0.01; FST = 0.356), along with evidence of restricted migration between them (average number of migrants, Nm = 0.903). Nine year classes (0-8) were determined from aging analysis of fin spines. Females (n = 50) ranged from 0 to 8 years, while males (n = 34) ranged from 0 to 6 years. Von Bertalanffy growth function indicated rapid growth during the first two years, after which males stabilized and females continued growing to a greater maximum mean length and weight. A comparison of allometric growth between sexes indicated no significant difference between length and other morphometric characters (P ranged 0.135 ??? 0.980).

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3

Bangma, Jessica. "Contemporary population structure and historical demography of sailfish (Istiophorus platypterus) in the Atlantic Ocean". [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1876.

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4

McDowell, Jan Renee. "Genetic stock structure of the sailfish, Istiophorus platypterus, based on nuclear and mitochondrial DNA". W&M ScholarWorks, 2002. https://scholarworks.wm.edu/etd/1539616769.

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The results of life history studies involving the sailfish, Istiophorus platypterus, from the Atlantic, Pacific, and Indian oceans were reviewed. Results of studies agree on several aspects of sailfish biology; sailfish exhibit opportunistic feeding behavior, follow the 28??C isotherm, spawn in summer mature at approximately age 3, and are the least migratory of the billfishes. However, results are in conflict concerning sex ratio and whether sailfish are single or multiple spawners. Although many researchers have reported that sailfish are sexually dimorphic, their fragile otoliths make them difficult to age, aging studies have not been validated, and sexual dimorphism has not been adequately separated from differences in age at first maturity. Life history studies are further compromised because identification of early life history stages is difficult and effect of genetically distinct stocks on these studies is unknown. Molecular markers representing a range of genetic resolution were used to investigate the genetic stock structure of the sailfish within and between oceans and to discriminate sailfish from other istiophorid billfishes. to investigate the genetic basis of stock structure, a 1700 by region of mitochondria) DNA which included the control region, was surveyed with five restriction endonucleases and representative individuals were sequenced. In addition, five nuclear microsatellite loci were assayed. Approximately 647 sailfish were collected from throughout the species' range over a six-year period from the Atlantic, Pacific, and Indian Oceans. Both mitochondrial and nuclear markers found that Atlantic, eastern Pacific, and Indo-west Pacific sailfish represent distinct genetic stocks. In addition, mitochondrial data revealed the presence of diverse clades, which were probably formed during Pleistocene glaciation. Independent molecular markers based on mitochondrial and nuclear DNA were developed to provide positive identification of istiophorid and xiphiid billfishes. Both classes of markers are based on amplification of short segments (<1.7 kb) of DNA and subsequent digestion with informative restriction endonucleases. ND4 and MN32-2, the selected markers, allow unambiguous specific identification, although it was not possible to differentiate white marlin and striped marlin. The resulting keys provide two independent means for the forensic identification of fillets and for specific identification of early life history stages.

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5

Wor, Lima Catarina. "Evaluating the Impact of Stock Structure Uncertainty in Stock Assessments of Sailfish in the Atlantic Ocean". W&M ScholarWorks, 2012. https://scholarworks.wm.edu/etd/1539617923.

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6

Martins, Osvandre Alves. "Sailfish-SRA : uma arquitetura de referência de software para suporte ao compartilhamento de informações na tomada de decisões colaborativas em aeroportos". Instituto Tecnológico de Aeronáutica, 2011. http://www.bd.bibl.ita.br/tde_busca/arquivo.php?codArquivo=1910.

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Sistemas grandes, complexos e críticos, como os Sistemas de Gerenciamento de Tráfego Aéreo, apresentam-se cada vez mais intensivos em software, justificando a importância e a necessidade de se garantir a qualidade deste elemento considerado chave. Projetos de arquiteturas de software contribuem para a obtenção de índices de qualidade mais elevados, incorrem em ganhos de produtividade e propiciam a redução de custos associados ao seu ciclo de vida. Arquiteturas de Referência consideram Padrões Arquiteturais e Modelos de Referência para proverem orientações ao projeto de sistemas em um domínio ou famílias de produtos, possibilitando elaborações a partir de bases e estágios mais avançados. A principal contribuição deste trabalho refere-se à Sailfish - Software Reference Architecture (Sailfish-SRA), uma Arquitetura de Referência destinada a auxiliar a elaboração de soluções em software para o suporte ao compartilhamento de informações, quando do projeto de ferramentas para apoio aos processos de conceitos operacionais, baseado na filosofia de Tomada de Decisão Colaborativa e aplicável ao contexto de aeroportos. Sua concepção considerou padrões e modelos relacionados aos conceitos de Sistema de Sistemas e Software como Serviço, procurando manter o alinhamento com os objetivos de programas atuais de modernização dos Sistemas de Gerenciamento de Tráfego Aéreo, principalmente, com o conceito de Sistema Amplo de Gerenciamento de Informações. Este conceito, conhecido em Inglês como System Wide Information Management (SWIM), encontra-se em fase de implementação e tem demandado uma série de desafios, às comunidades científicas; e tecnológicas, quanto a forma como os diversos sistemas deste domínio serão integrados no futuro. Além de conceitos relacionados à elaboração de arquiteturas e à integração de sistemas de software, as primeiras partes deste trabalho apresentam os principais conceitos operacionais sobre a Tomada de Decisões Colaborativas em Aeroportos e as suas necessidades comuns quanto ao compartilhamento de informações Apresentam-se, também, os resultados de uma investigação sobre modelos e padrões aplicáveis à implementação do conceito de SWIM. Constitui-se, então, um conjunto de direcionadores para a Arquitetura de Referência cuja descrição é concluída por meio da apresentação de visões que conformam com pontos de vista especificados. Apresentam-se e discutem-se, também, os resultados de uma análise qualitativa da Sailfish-SRA, realizada com base em seus elementos descritivos e com o intuito de indicar o nível de conformidade e alinhamento com os seus direcionadores e com Atributos de Qualidade esperados em soluções de suporte ao compartilhamento de informações nos Sistemas de Gerenciamento de Tráfego Aéreo planejados para as próximas décadas.

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Nguyen, Anh Khoa. "Návrh rozvoje internacionalizační strategie strategie podniku". Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2015. http://www.nusl.cz/ntk/nusl-234348.

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Diplomová práce je zaměřená na návrh nejvhodnější podnikové strategie pro vstup Jolly na Český trh chytrých zařízení. Rozbor teorie internacionalizace a internacionalizačních podnikových strategií je důležitým podkladem pro analýzu procesu vstupu Jolly. Na konci se zaměření přesune na návrh přijatelné strategie pro vstup a činnost na trhu.

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Nee, Amanda. "Undersökning av alternativ för virtualisering av Android på SailfishOS". Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-254397.

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This report documents the result of an attempt to port the virtual android environment Anbox to the smart phone operating system SailfishOS. The purpose of the project is to see if such a solution can make SailfishOS and similar operating systems useful in a society that indirectly requires you to be able to run Android or iOS applications on your phone. The result of the project makes a number of short comings clear in the SailfishOs platform which hindered an actual attempt to evaluate the compatibility between Anbox and SailfishOS.
Denna rapport redovisar resultatet från ett försök att portera den virtuella androidmiljön Anbox till det telefoninriktade operativsystemet SailfishOS. Detta görs för att uppskatta om en sådan lösning kan få SailfishOS och liknande operativsystem användbara i dagligt bruk i dagens samhälle som har ett indirekt krav på att man ska kunna köra Android eller iOS appar. Resultatet visar på begränsningar som SailfishOS-plattformen har idag vilket hindrade en ordentligt granskning av kompatibiliteten mellan Anbox och SailfishOS att genomföras.

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9

Marecaux, Emily N. "Effects of potassium permanganate on the sailfin molly, Poecilia latipinna, at varying salinity levels". [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0013398.

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10

Bornhoeft, Sarah C. "Influence of Experimental Sheet Flow on Aquatic Foods Webs of the Central Everglades". FIU Digital Commons, 2016. http://digitalcommons.fiu.edu/etd/2562.

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Establishing historical water velocities is a goal of Everglades restoration because of their role maintaining landscape topographic relief. However, flows may also change the trophic state of marshes by phosphorus loading. I used fatty acid (FA) and stoichiometric data to quantify how increased sheet flow altered the relative heterotrophic and autotrophic contributions to aquatic consumers in a field experiment that introduced flowing water to an Everglades marsh in November, 2014. Algal taxonomic composition was different between pre-flow and flow sampling, marked by increases in the nutrient exploiting Mougeotia species (green algae) during flow sampling. Dietary tracer FAs in consumers reflected changes in algal resources, including an increase in green algae-derived and a decrease in bacteria-derived FAs. These food web responses indicate that establishing historic water velocity in degraded wetlands can shift the origins of organic matter from a more detrital to more algal supported web.

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Più fonti

Libri sul tema "Sailfish"

1

Shaughnessy, Amy. Sailfish Club of Florida: Celebrating 100 years, 1914-2014. Palm Beach, FL: The Donning Company Publishers, 2014.

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2

LaVO, Carl. Back from the deep: The strange story of the sister subs Squalus and Sculpin. Annapolis, Md: Naval Institute Press, 1994.

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3

Programme, United Nations Development, a cura di. Billfishes of the world: An annotated and illustrated catalogue of marlins, sailfishes, spearfishes, and swordfishes known to date. Rome: United Nations Development Programme, Food and Agriculture Organization of the United Nations, 1985.

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4

Sailfish. Florida Sportsman, 2006.

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5

Reynolds, John. Flyfishing for Sailfish. Coch-y-Bonddu Books, 1997.

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6

Goadby, Peter. Billfishing: The Quest for Marlin, Swordfish, Spearfish & Sailfish. International Marine/Ragged Mountain Press, 1996.

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7

Flyfishing For Alaskas Arctic Grayling Sailfish Of The North. Frank Amato Publications, 2009.

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8

Ulanski, Stan. Billfish Story: Swordfish, Sailfish, Marlin, and Other Gladiators of the Sea. University of Georgia Press, 2016.

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9

Ulanski, Stan. Billfish Story: Swordfish, Sailfish, Marlin, and Other Gladiators of the Sea. University of Georgia Press, 2013.

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10

The Billfish Story Swordfish Sailfish Marlin And Other Gladiators Of The Sea. University of Georgia Press, 2013.

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Capitoli di libri sul tema "Sailfish"

1

Dao, Thi-Kien, Shi-Jie Jiang, Xiao-Rong Ji, Truong-Giang Ngo, Trong-The Nguyen e Huu-Trung Tran. "A Coverage and Connectivity of WSN in 3D Surface Using Sailfish Optimizer". In Advances in Intelligent Systems and Computing, 89–98. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-6984-9_8.

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2

Herder, Fabian, e Ulrich K. Schliewen. "Beyond Sympatric Speciation: Radiation of Sailfin Silverside Fishes in the Malili Lakes (Sulawesi)". In Evolution in Action, 465–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-12425-9_22.

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3

Ptacek, Margaret B. "Patterns of inheritance of mating signals in interspecific hybrids between sailfin and shortfin mollies (Poeciliidae: Poecilia: Mollienesia)". In Contemporary Issues in Genetics and Evolution, 329–42. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0265-3_15.

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4

Schwarzer, Julia, Fabian Herder, Bernhard Misof, Renny K. Hadiaty e Ulrich K. Schliewen. "Gene flow at the margin of Lake Matano’s adaptive sailfin silverside radiation: Telmatherinidae of River Petea in Sulawesi". In Patterns and Processes of Speciation in Ancient Lakes, 201–13. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-9582-5_14.

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5

"The Sailfish". In The Enemy, 52. Duke University Press, 2020. http://dx.doi.org/10.1515/9780822389576-021.

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6

"The Sailfish". In The Enemy, 52. Duke University Press, 2007. http://dx.doi.org/10.1215/9780822389576-020.

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7

"The Sailfish". In The Enemy, 52. Duke University Press, 2007. http://dx.doi.org/10.2307/j.ctv1220pp5.23.

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8

"Catch and Release in Marine Recreational Fisheries". In Catch and Release in Marine Recreational Fisheries, a cura di Eric D. Prince, Mauricio Ortiz e Arietta Venizelos. American Fisheries Society, 2002. http://dx.doi.org/10.47886/9781888569308.ch8.

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<em> Abstract.</em>—This study evaluates the performance of circle and comparable-size “J” hooks on Atlantic and Pacific sailfish <em> Istiophorus platypterus </em>and, to a lesser extent, on Pacific blue marlin <em> Makaira nigricans</em>. Terminal gear performances were assessed in terms of fishing success, hook location, and bleeding associated with physical hook damage and trauma. Evaluations of trolling with dead bait took place off Iztapa, Guatemala, during the spring and summer of 1999, and assessment of drifting/kite fishing with live bait took place off South Florida during the summer of 1999.

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"Catch and Release in Marine Recreational Fisheries". In Catch and Release in Marine Recreational Fisheries, a cura di Eric D. Prince, Mauricio Ortiz, Arietta Venizelos e David S. Rosenthal. American Fisheries Society, 2002. http://dx.doi.org/10.47886/9781888569308.ch21.

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<em>Abstract.</em>—The Cooperative Tagging Center (CTC) of the National Marine Fisheries Service’s Southeast Fisheries Science Center operates one of the largest and oldest fish tagging programs of its type in the world. Since 1954, more than 35,000 recreational and commercial fishing constituents have voluntarily participated in the CTC, and this has resulted in tagging more than 245,000 fish of 123 species. Although some tagging activities have been conducted by scientists, most of the tag release and recovery activities were achieved by recreational and commercial fishery constituents. Five large highly migratory species have historically represented the Program’s primary target species, including Atlantic bluefin tuna <em> Thunnus thynnus</em>, blue marlin <em> Makaira nigricans</em>, white marlin <em> Tetrapturus albidus</em>, sailfish <em> Istiophorus platypterus</em>, and broadbill swordfish <em> Xiphias gladius</em>. Tagging equipment and procedures for catching, tagging, and resuscitation of species too large to be brought aboard fishing vessels have evolved and improved considerably over the years. This paper presents a review of the development of the most efficient tagging, handling, and dehooking techniques used on a variety of large, highly migratory species in the CTC. In addition, the results of a comparative tag retention study on billfish are presented, comparing stainless steel dart tags used for nearly 30 years with a hydroscopic nylon double-barb dart tag, recently developed in conjunction with The Billfish Foundation. Recommendations are made on the best techniques, procedures, and equipment for in-water tagging of large, highly migratory species.

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"10. Evolution in the Sailfin Molly: The Interplay of Life-History Variation and Sexual Selection". In Ecological Genetics, 205–32. Princeton University Press, 2017. http://dx.doi.org/10.1515/9781400887262-012.

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Atti di convegni sul tema "Sailfish"

1

Rao, Sriram, Raghu Ramakrishnan, Adam Silberstein, Mike Ovsiannikov e Damian Reeves. "Sailfish". In the Third ACM Symposium. New York, New York, USA: ACM Press, 2012. http://dx.doi.org/10.1145/2391229.2391233.

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2

Pan, Tian, Nianbing Yu, Chenhao Jia, Jianwen Pi, Liang Xu, Yisong Qiao, Zhiguo Li et al. "Sailfish". In SIGCOMM '21: ACM SIGCOMM 2021 Conference. New York, NY, USA: ACM, 2021. http://dx.doi.org/10.1145/3452296.3472889.

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3

Borah, S. "Modification of Hull Design Inspired by Sailfish". In International Conference on Marine Engineering and Technology Oman. London: IMarEST, 2019. http://dx.doi.org/10.24868/icmet.oman.2019.016.

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Modification of hull design for improving performance and resistance in a ship has been of interest to ship building industries for decades. In the present study hydrodynamic analysis of morphological adaptations in sailfish having v-shaped protrusions on its skin has been done. The paper shall discuss a hull design integrated with v-shaped protrusions, inspired from sailfish. A quantitative analysis will be discussed with simulation proofs worked on Computational Fluid Dynamics (CFD) software. CFD results for total hydrodynamic resistance with detailed pressure distribution, velocity distribution, boundary layer separation are presented. The final result is an optimized hull form which shows interesting characteristics, as its overall resistance has de-creased in respect to a conventional hull.

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4

Samal, Padarbinda, e Rakesh Roshan. "Optimal STATCOM allocation and sizing using the sailfish optimizer algorithm". In 2020 IEEE 7th Uttar Pradesh Section International Conference on Electrical, Electronics and Computer Engineering (UPCON). IEEE, 2020. http://dx.doi.org/10.1109/upcon50219.2020.9376449.

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5

Srivastava, Abhishek, e Dushmanta Kumar Das. "A Sailfish Optimization Technique to solve Combined Heat And Power Economic Dispatch Problem". In 2020 IEEE Students Conference on Engineering & Systems (SCES). IEEE, 2020. http://dx.doi.org/10.1109/sces50439.2020.9236757.

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6

Dai, Ningwei, Yong Cui, Zeqi Lai e Yimin Jiang. "Sailfish: A Cooperative Data Retrieving Scheme in the Distributed Cloud for Interactive Applications". In 2018 2nd IEEE Advanced Information Management,Communicates, Electronic and Automation Control Conference (IMCEC). IEEE, 2018. http://dx.doi.org/10.1109/imcec.2018.8469384.

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Chhavi, Chhavi, e T. Selvakumaran. "Adaptation of Sailfish topology in fuselage design and performance comparison with modern fuselage". In 2018 IEEE Aerospace Conference. IEEE, 2018. http://dx.doi.org/10.1109/aero.2018.8396431.

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8

Vasilyev, Andrey, Ilya Paramonov e Sergey Averkiev. "Method and tools for automated end-to-end testing of applications for sailfish OS". In 2017 20th Conference of Open Innovations Association (FRUCT). IEEE, 2017. http://dx.doi.org/10.23919/fruct.2017.8071350.

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9

Laure, Denis, Andrey Vasilyev, Ilya Paramonov e Natalia Kasatkina. "Cross-platform development for Sailfish OS and Android: Architectural patterns and “dictionary trainer” application case study". In 2016 19th Conference of Open Innovations Association (FRUCT). IEEE, 2016. http://dx.doi.org/10.23919/fruct.2016.7892194.

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Mujeeb Khan, Noman, Umer Amir Khan e Muhammad Hamza Zafar. "Maximum Power Point Tracking of PV System under Uniform Irradiance and Partial Shading Conditions using Machine Learning Algorithm Trained by Sailfish Optimizer". In 2021 4th International Conference on Energy Conservation and Efficiency (ICECE). IEEE, 2021. http://dx.doi.org/10.1109/icece51984.2021.9406288.

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