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Teses / dissertações sobre o tema "Snapper"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 25 de julho de 2025

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1

Topping, Darin Thomas Szedlmayer Stephen T. "The use of ultrasonic telemetry to estimate residency, movement patterns, and mortality of red snapper, Lutjanus campechanus." Auburn, Ala, 2009. http://hdl.handle.net/10415/1771.

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2

Shulzitshi, Kathryn. "A genetic assessment of population connectivity in mutton snapper, Lutjanus analis /." Electronic version (PDF), 2005. http://dl.uncw.edu/etd/2005/shulzitskik/kathrynshulzitski.pdf.

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3

McInerny, Stephanie A. "Age and growth of red snapper, Lutjanus campechanus, from the southeastern United States /." Electronic version (PDF), 2007. http://dl.uncw.edu/etd/2007-2/mcinernys/stephaniemcinerny.pdf.

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4

English, Daniel Patrick Phelps Ronald Paul. "Use of primary nursery ponds for red snapper larvae culture and associated zooplankton dynamics." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SPRING/Fisheries_and_Allied_Aquacultures/Thesis/English_Daniel_53.pdf.

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5

Beyer, Sabrina G. Szedlmayer Stephen T. "Age determination through shape analysis and validation of otolith annular increments in red snapper, Lutjanus campechanus." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SPRING/Fisheries_and_Allied_Aquacultures/Thesis/Beyer_Sabrina_2.pdf.

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6

Case, Janelle Elaine. "The feeding biomechanics of juvenile red snapper (Lutjanus campechanus) from the northwestern Gulf of Mexico." Thesis, [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1386.

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7

Sumpton, Wayne Donald. "Population biology and management of snapper (Pagrus auratus) in Queensland /." St. Lucia, Qld, 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16381.pdf.

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8

Simmons, Carrie M. Szedlmayer Stephen T. "Gray triggerfish, Balistes capriscus, reproductive behavior, early life history, and competitive interactions between red snapper, Lutjanus campechanus, in the northern Gulf of Mexico." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SUMMER/Fisheries_and_Allied_Aquacultures/Dissertation/Mackichan_Carrie_37.pdf.

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9

Francis, Malcolm 1954. "Population dynamics of juvenile snapper (Pagrus auratus) in the Hauraki Gulf." Thesis, University of Auckland, 1992. http://hdl.handle.net/2292/1976.

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The population dynamics of juvenile snapper, Pagrus auratus, were investigated in the Hauraki Gulf, north-eastern New Zealand, between 1982 and 1990. Attention focused on age and growth, temporal and spatial variation in abundance, and recruitment. Daily increment formation was validated in the sagittae of snapper up to about 160 days old. Increment width varied with time of year, and snapper age, and increments were not resolvable with a light microscope during winter. Increment counts inside a prominent metamorphic mark showed that larval duration was 18-32 days, and was inversely related to

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10

Rhodes, Melanie Anne. "Evaluation of Fabrea salina and other ciliates as alternative live foods for first-feeding red snapper, Lutjanus campechanus, larvae." Auburn, Ala., 2005. http://repo.lib.auburn.edu/2005%20Summer/master's/RHODES_MELANIE_33.pdf.

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11

Dodd, Suzannah. "The role of non-indigenous benthic macrofauna in the diet of snapper (Pagrus auratus)." AUT University, 2009. http://hdl.handle.net/10292/898.

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Snapper, Pagrus auratus is a valuable coastal fish species in New Zealand and forms an important commercial and recreational fishing industry in the north-east of New Zealand. Previous studies revealed evidence that this carnivorous, primarily benthic feeder consumes a non-indigenous macrobenthic species. Many non-indigenous macrobenthic species have now become established in New Zealand waters. For example, in Rangitoto Channel, Hauraki Gulf, non-indigenous macrobenthic species are prolific, with three bivalve species in particular having thriving populations: Limaria orientalis, Musculista s

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12

Barnett, Beverly Kay. "Distinguishing red snapper, Lutjanus campechanus, nursery regions in the northern Gulf of Mexico with otolith elemental and stable isotope signatures." [Pensacola, Fla.] : University of West Florida, 2008. http://purl.fcla.edu/fcla/etd/WFE0000104.

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13

Usmar, Natalie R. "Ontogeny and ecology of snapper (Pagrus auratus) in an estuary, the Mahurangi Harbour /." e-Thesis University of Auckland, 2009. http://hdl.handle.net/2292/5642.

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Thesis (PhD--Marine Science)--University of Auckland, 2009.<br>" A thesis submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Marine Science." Includes bibliographical references (leaves 161-173).

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14

Usmar, Natalie R. "Ontogeny and ecology of snapper (Pagrus auratus) in an estuary, the Mahurangi Harbour." Thesis, University of Auckland, 2010. http://hdl.handle.net/2292/5642.

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This thesis examined the use of an estuary by the sparid Pagrus auratus, commonly known as snapper. The density and distribution of snapper (juveniles through to adults) was quantified over multiple spatial and temporal scales and associated with habitat. Juveniles enter or are spawned within the Mahurangi Harbour over the warmer months, with densities highest in March. Ontogenetic shifts in fine-scale habitat occurred. Fine-scale analysis from the beam trawl showed juvenile snapper (< 10 cm) were mostly associated with horse mussels. Larger juveniles (> 4 cm) were also associated with bare ar

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15

au, corey wakefield@fish wa gov, and Corey Brion Wakefield. "Latitudinal and temporal comparisons of the reproductive biology and growth of snapper, Pagrus auratus (Sparidae), in Western Australia." Murdoch University, 2006. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20080530.105016.

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This study focused on obtaining sound quantitative data on the reproductive biology, length and age compositions and growth of the snapper Pagrus auratus in the waters off Carnarvon at ca 25oS and Perth at ca 32oS on the west coast of Australia and at ca 34oS on the south coast of Western Australia. Sampling thus encompassed both sub-tropical and temperate waters and the geographical range within which this species is abundant in Western Australia. The resultant data were used to explore the ways in which the biological characteristics of P. auratus differ with latitude and thus water temperat

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16

Serrano, Xaymara M. "Ecophysiology of the Gray Snapper (Lutjanus griseus): Salinity Effects on Abundance, Physiology and Behavior." Scholarly Repository, 2008. http://scholarlyrepository.miami.edu/oa_theses/144.

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Mangroves and seagrass beds serve as essential fish habitat for many economically- and ecologically-valuable species. Depending on their location, these shallow-water habitats are often characterized by substantial fluctuation in salinity levels, which can represent a source of osmoregulatory stress for associated organisms. In South Florida, one of the most important fish species that utilizes these habitats is the gray snapper (Lutjanus griseus). Although this species constitutes a significant portion of the region?s total recreational fishery harvest, the effects of salinity on its distrib

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17

Booth, Mark Anthony. "Investigation of the Nutritional Requirements of Australian Snapper Pagrus Auratus (Bloch & Schneider, 1801)." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/16138/1/Mark_Booth_Thesis.pdf.

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This thesis describes research designed to increase our knowledge of the nutritional requirements of Australian snapper Pagrus auratus and provide information on the potential of Australian feed ingredients to reduce the level of fishmeal in diets for this species. The apparent digestibility of organic matter (OM), crude protein (CP), crude fat (CF) and gross energy (GE) from selected animal, cereal or oilseed meals incorporated at different inclusion levels was determined. Snapper were extremely efficient at digesting the CP, CF and GE from fishmeal and rendered animal meals (range 80-100

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18

Booth, Mark Anthony. "Investigation of the Nutritional Requirements of Australian Snapper Pagrus Auratus (Bloch & Schneider, 1801)." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16138/.

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This thesis describes research designed to increase our knowledge of the nutritional requirements of Australian snapper Pagrus auratus and provide information on the potential of Australian feed ingredients to reduce the level of fishmeal in diets for this species. The apparent digestibility of organic matter (OM), crude protein (CP), crude fat (CF) and gross energy (GE) from selected animal, cereal or oilseed meals incorporated at different inclusion levels was determined. Snapper were extremely efficient at digesting the CP, CF and GE from fishmeal and rendered animal meals (range 80-100%) w

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19

Ling, Nicholas. "The development, ultrastructure and biomechanics of the swimbladder of the New Zealand snapper, Pagrus auratus." Thesis, University of Auckland, 1990. http://hdl.handle.net/2292/2012.

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The eggs and larvae of the New Zealand snapper Pagrus auratus are pelagic with early buoyancy provided by dilute body fluids. The swimbladder begins to develop on the third day after hatch from a dorsal evagination of the gut tube. Communication w1h the gut is lost on about the tenth day following pneumatic inflation at around day eight. At this age the gas gland system appears fully functional and capable of secreting gas. By the age of settlement at around 30 days the swimbladder is a fully functional replica of the adult form except for the lack of a resorbent capillary system which does no

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20

Prokop, Natasha. "Genetic implications of culturing Australasian snapper (Chrysophyrs auratus) from wild-caught eggs for stock enhancement." Thesis, Prokop, Natasha (2015) Genetic implications of culturing Australasian snapper (Chrysophyrs auratus) from wild-caught eggs for stock enhancement. Honours thesis, Murdoch University, 2015. https://researchrepository.murdoch.edu.au/id/eprint/29458/.

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This thesis represents the first study into the genetic implications of culturing a marine finfish from wild-caught eggs (the ACAAR technique), for use in stock enhancement. This technique should facilitate the capture of genetic diversity in the cultured fish, while also dispensing with the need to maintain a large broodstock in the hatchery. This study was conducted with Chrysophrys auratus from Cockburn Sound in Western Australia. Nine, polymorphic microsatellite loci were used to compare the genetic composition between a sample of wild adults of C. auratus from spawning aggregations in Coc

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21

Guccione, David V. "Hooking mortality of reef fishes in the snapper-grouper commercial fishery of the southeast United States /." Electronic version (PDF), 2005. http://dl.uncw.edu/etd/2005/guccioned/davidguccione.pdf.

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22

Mikulas, Joseph John. "Habitat use, growth, and mortality of post-settlement lane snapper (Lutjanus synagris) on natural banks in the northwestern Gulf of Mexico." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1391.

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23

Gibson, Suzanne Marie. "Culture of red snapper (Lutjanus campechanus) from rearing larvae with naked ciliates to tracking juveniles with otolith chemistry /." [Pensacola, Fla.] : University of West Florida, 2008. http://purl.fcla.edu/fcla/etd/WFE0000110.

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24

Paz-García, David A., Adrián Munguía-Vega, Tomas Plomozo-Lugo, and Amy Hudson Weaver. "Characterization of 32 microsatellite loci for the Pacific red snapper, Lutjanus peru, through next generation sequencing." SPRINGER, 2017. http://hdl.handle.net/10150/626030.

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We developed a set of hypervariable microsatellite markers for the Pacific red snapper (Lutjanus peru), an economically important marine fish for small-scale fisheries in the west coast of Mexico. We performed shotgun genome sequencing with the 454 XL titanium chemistry and used bioinformatic tools to search for perfect microsatellite loci. We selected 66 primer pairs that were synthesized and genotyped in an ABI PRISM 3730XL DNA sequencer in 32 individuals from the Gulf of California. We estimated levels of genetic diversity, deviations from linkage and Hardy-Weinberg equilibrium, estimated t

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25

McGlennon, David. "The fisheries biology and population dynamics of snapper Pagrus auratus in northern Spencer Gulf, South Australia /." Title page, table of contents and abstract only, 2003. http://web4.library.adelaide.edu.au/theses/09PH/09phm4789.pdf.

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26

Isaacs, Rachel. "Real-Time PCR Combined with DNA Barcoding for the Authentication of Red Snapper (Lutjanus campechanus) Fillets." Chapman University Digital Commons, 2019. https://digitalcommons.chapman.edu/food_science_theses/7.

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Seafood substitution is a worldwide problem due to factors such as limited monitoring coupled with complex supply chains. Red snapper (Lutjanus campechanus) is a highly valued and overfished species that is commonly substituted with other fish, such as tilapia, rockfish, and other snapper species. DNA barcoding is typically used by regulatory agencies to detect seafood substitution; however, it is expensive and time-consuming. A rapid, real-time PCR assay targeting red snapper was developed previously for use in fisheries management; however, it has not been tested for its ability to detect re

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27

Heery, Eliza Crenshaw. "The impact of bias in length frequency data on an age structured fisheries stock assessment model." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/32865.

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Statistical age-structured models are widely used in fisheries stock assessment. These models have been become increasingly complex over recent decades, allowing them to incorporate a larger variety of fisheries data. These typically include information regarding annual fishery yields, indices of abundance and catch composition data, which reflect the distribution of ages in the harvested population each year. In some fisheries, age composition can be determined annually through the examination of annuli on hard parts, such as otoliths or scales. These methods are, however, costly, time co

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28

Kiper, Ilkser Erdem. "Phylogeography of the snapper kob Otolithes ruber (Bloch & Schneider 1801) from the South West Indian Ocean." Diss., University of Pretoria, 2014. http://hdl.handle.net/2263/79259.

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Studying the distribution and demography of marine species is challenging due to the open nature of the oceans. This latter was historically believed to facilitate extensive gene flow among populations when clear barriers to gene flow were not apparent. Gene flow between populations could be mediated directly by adult migration across large distances for reproduction purposes, feeding and habitat preference or via larval dispersal with the aid of ocean currents, in order to recruit to optimal areas for development and to increase survival. Hence, gene flow among localized populations across la

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29

Tugiyono. "Metabolic enzymes and mixed-function oxygenase (MFO) system in pink snapper (Pagrus auratus): biochemical and histological relationships." Thesis, Curtin University, 2001. http://hdl.handle.net/20.500.11937/1937.

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The environmental health of aquatic ecosystems depends amongst others, on the chemical pollution coming from activities in the catchment's area. In the Swan River Estuary, Western Australia, the chemical pollutants of concern released into the river are petroleum hydrocarbons and sodium pentachlorophenate (NaPCP). Decreased water quality causes a loss of biotic diversity especially amongst fish populations. The health of aquatic ecosystems can be monitored by fish health, especially fish located at higher levels in the food chain. Pink snapper (Pagrus auratus), an endemic Western Australian fi

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30

Tugiyono. "Metabolic enzymes and mixed-function oxygenase (MFO) system in pink snapper (Pagrus auratus) : biochemical and histological relationships /." Curtin University of Technology, Department of Environmental Biology, 2001. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=13744.

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The environmental health of aquatic ecosystems depends amongst others, on the chemical pollution coming from activities in the catchment's area. In the Swan River Estuary, Western Australia, the chemical pollutants of concern released into the river are petroleum hydrocarbons and sodium pentachlorophenate (NaPCP). Decreased water quality causes a loss of biotic diversity especially amongst fish populations. The health of aquatic ecosystems can be monitored by fish health, especially fish located at higher levels in the food chain. Pink snapper (Pagrus auratus), an endemic Western Australian fi

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31

Tonkin, Rachel Marie. "An investigation of the microbiology and biochemical properties leading to extended shelf-life in goldband snapper (Pristipomoides multidens)." Thesis, Curtin University, 2012. http://hdl.handle.net/20.500.11937/1353.

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Introduction. Goldband snapper (Pristipomoides multidens) has an unusually long shelf life compared to many other fish species. Previous studies have indicated that the microflora present on the fish skin influences shelf life, however, no extensive studies have been performed. A comprehensive investigation into the shelf life of goldband snapper was undertaken in this study using microbiological, biochemical, sensory and physical analyses. Saddletail snapper (Lutjanus malabaricus) was used as a control species because it is genetically similar to goldband snapper, found in a similar geographi

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32

Dias, Junior Eurico Azevedo. "Estrutura gen?tica populacional de Lutjanus analis cioba e Lutjanus jocu dent?o (Lutjanidae) ao longo do litoral brasileiro." Universidade Federal do Rio Grande do Norte, 2012. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12644.

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Made available in DSpace on 2014-12-17T14:05:21Z (GMT). No. of bitstreams: 1 EuricoADJ_TESE.pdf: 2589936 bytes, checksum: be1dedfbfc2d5720f10af387bc96dda3 (MD5) Previous issue date: 2012-06-01<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>Esp?cies da fam?lia Lutjanidae representam um importante recurso pesqueiro em todas as ?reas de sua ocorr?ncia. No Brasil a explora??o comercial se iniciou na d?cada de 60 e nos anos 80, j? demonstrava decl?nio nos volumes de captura. A diminui??o de capturas aponta que os lutjan?deos devem ser manejados conservativamente. Estudos sobre

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33

Davis, Michelle Leigh. "Assessment of the South Atlantic Red Porgy (Pagrus pagrus) Population Under a Moratorium." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/30825.

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Red porgy <i>Pagrus pagrus</i> is a reef fish important to both recreational and commercial fisheries off the coast of the southeastern United States. Stock assessments performed on this species since 1985 have shown a population in decline. As a result, a number of management actions were put in place, including a harvest moratorium in 1999. Stock assessments for many marine species, including red porgy, rely on a combination of fishery-dependent and fishery-independent data. When a moratorium is in place, the flow of fishery-dependent data is interrupted, making assessments more reliant

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34

Kim, Hwa Nyeon. "Transferable rights in a recreational fishery: an application to the red snapper fishery in the Gulf of Mexico." Texas A&M University, 2003. http://hdl.handle.net/1969.1/5865.

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Overfishing of red snapper in the Gulf of Mexico has significantly increased lately. A major regulation to reduce the overfishing is Total Allowable Catches (TAC) in combination with a season closure. The restrictions on entry lead to an inefficient outcome, however, because the resource is not used by the fishermen who value it the most. As an alternative to restricting entry, transferable rights (TR) programs are being increasingly considered. Under a TR program, a market is created to trade a right to use a resource and the total benefits of the participants are maximized through such a tra

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35

au, gjackson@fish wa gov, and Gary Jackson. "Fisheries biology and management of pink snapper, Pagrus auratus, in the inner gulfs of Shark Bay, Western Australia." Murdoch University, 2008. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20081222.105104.

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This study explored an important aspect of the basis for the highly complex population structure of pink snapper (Pagrus auratus) within the inner gulfs of Shark Bay, investigated how growth and reproduction differ among these closely-adjacent but separate stocks, and obtained biomass estimates for each stock that are essential for the sustainable management of the regionally-important recreational pink snapper fishery. Using ichthyoplankton data in combination with hydrodynamic modelling, P. auratus eggs and larvae were shown to be retained within localized meso-scale eddies that were coinci

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36

Jackson, Gary. "Fisheries biology and management of pink snapper, Pagrus auratus, in the inner gulfs of Shark Bay, Western Australia /." Murdoch University Digital Theses Program, 2007. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20081222.105104.

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37

Wakefield, Corey Brion. "Latitudinal and temporal comparisons of the reproductive biology and growth of snapper, Pagrus auratus (Sparidae), in Western Australia." Thesis, Wakefield, Corey Brion (2006) Latitudinal and temporal comparisons of the reproductive biology and growth of snapper, Pagrus auratus (Sparidae), in Western Australia. PhD thesis, Murdoch University, 2006. https://researchrepository.murdoch.edu.au/id/eprint/382/.

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This study focused on obtaining sound quantitative data on the reproductive biology, length and age compositions and growth of the snapper Pagrus auratus in the waters off Carnarvon at ca 25oS and Perth at ca 32oS on the west coast of Australia and at ca 34oS on the south coast of Western Australia. Sampling thus encompassed both sub-tropical and temperate waters and the geographical range within which this species is abundant in Western Australia. The resultant data were used to explore the ways in which the biological characteristics of P. auratus differ with latitude and thus water temperat

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38

Wakefield, Corey Brion. "Latitudinal and temporal comparisons of the reproductive biology and growth of snapper, Pagrus auratus (Sparidae), in Western Australia." Wakefield, Corey Brion (2006) Latitudinal and temporal comparisons of the reproductive biology and growth of snapper, Pagrus auratus (Sparidae), in Western Australia. PhD thesis, Murdoch University, 2006. http://researchrepository.murdoch.edu.au/382/.

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This study focused on obtaining sound quantitative data on the reproductive biology, length and age compositions and growth of the snapper Pagrus auratus in the waters off Carnarvon at ca 25oS and Perth at ca 32oS on the west coast of Australia and at ca 34oS on the south coast of Western Australia. Sampling thus encompassed both sub-tropical and temperate waters and the geographical range within which this species is abundant in Western Australia. The resultant data were used to explore the ways in which the biological characteristics of P. auratus differ with latitude and thus water temperat

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39

Jackson, Gary. "Fisheries biology and management of pink snapper, Pagrus auratus, in the inner gulfs of Shark Bay, Western Australia." Thesis, Jackson, Gary (2008) Fisheries biology and management of pink snapper, Pagrus auratus, in the inner gulfs of Shark Bay, Western Australia. PhD thesis, Murdoch University, 2008. https://researchrepository.murdoch.edu.au/id/eprint/664/.

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This study explored an important aspect of the basis for the highly complex population structure of pink snapper (Pagrus auratus) within the inner gulfs of Shark Bay, investigated how growth and reproduction differ among these closely-adjacent but separate stocks, and obtained biomass estimates for each stock that are essential for the sustainable management of the regionally-important recreational pink snapper fishery. Using ichthyoplankton data in combination with hydrodynamic modelling, P. auratus eggs and larvae were shown to be retained within localized meso-scale eddies that were coincid

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40

Jackson, Gary. "Fisheries biology and management of pink snapper, Pagrus auratus, in the inner gulfs of Shark Bay, Western Australia." Jackson, Gary (2008) Fisheries biology and management of pink snapper, Pagrus auratus, in the inner gulfs of Shark Bay, Western Australia. PhD thesis, Murdoch University, 2008. http://researchrepository.murdoch.edu.au/664/.

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This study explored an important aspect of the basis for the highly complex population structure of pink snapper (Pagrus auratus) within the inner gulfs of Shark Bay, investigated how growth and reproduction differ among these closely-adjacent but separate stocks, and obtained biomass estimates for each stock that are essential for the sustainable management of the regionally-important recreational pink snapper fishery. Using ichthyoplankton data in combination with hydrodynamic modelling, P. auratus eggs and larvae were shown to be retained within localized meso-scale eddies that were coincid

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41

Coxon, Sarah Elizabeth. "The exercise physiology of snapper (Pagrus auratus): implications for the better commercial harvesting of an iconic New Zealand finfish." Thesis, University of Canterbury. Biological Sciences, 2014. http://hdl.handle.net/10092/9430.

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Worldwide, an increasing demand for fish and fisheries products, together with socioeconomic pressure for industry expansion, is placing considerable pressure on wild fish stocks – more than 80% of which are considered by the Food and Agriculture Organisation of the United Nations (FAO) to be either maximally- or over-exploited. Adding value to the existing catch and/or improving the sustainability of current wild capture methods may offer a means of providing industry growth while negating the need for increased landings. In particular, the peri-mortem condition of a fish plays an integral ro

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42

Lounder, Cecelia. "Recruitment dynamics and otolith chemical signatures of juvenile gray snapper, Lutjanus griseus, among West Florida estuarine and coastal marine ecosystems." [Pensacola, Fla.] : University of West Florida, 2009. http://purl.fcla.edu/fcla/etd/WFE0000156.

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43

Miller, Nathan. "The Gulf of Mexico Red Snapper Individual Fishing Quota Program: The Effects on the Fishing Industry and Potential Outlook." Scholar Commons, 2010. http://scholarcommons.usf.edu/etd/3626.

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In January 2007, the Gulf of Mexico red snapper fishery took a step toward sustainability and began management under an individual fishing quota (IFQ) system. The hope is that direct ownership stakes by fishers brings more direct involvement on behalf of the boat owners and fishermen as well as more responsible and sustainable fishing practices on depressed fish populations. The research was conducted in order to study the welfare of local fishing communities as well as the effects on the red snapper fishery itself. Traditional fisheries and economic data were analyzed. In addition a Data Enve

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Previero, Marília. "The snapper and grouper fisheries of the Abrolhos Bank, East Brazil shelf: fleet patterns, exploitation status and risk assessment." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/21/21134/tde-18022019-134135/.

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The fishery is a complex and dynamic socio-ecological system involving several actors and knowledge areas. Along the Brazilian coast the small-scale fisheries are very common and provide important ecosystem services. This fishery modality are usually data-poor in terms of catch and abundance data, landing records, quantification of vessels and fishing gear used. This data-limited condition frequently hampers fishery assessments and effective managements. That is the case in the Abrolhos Bank, East Brazil, a wide portion of the shallow continental shelf that encompass a complex benthic habitat

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au, p. coulson@murdoch edu, and Peter Coulson. "The biology of three teleost species with divergent life cycle characteristics and their implications for fisheries management." Murdoch University, 2008. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20090324.143252.

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The overall aim of this thesis was to determine the size and age compositions, growth and reproductive biology of Western Blue Groper (Achoerodus gouldii), Blue Morwong (Nemadactylus valenciennesi) and Yellowtail Flathead (Platycepahlus endrachtensis) in south-western Australian waters, in which these three species have divergent life cycle characteristics. As A. gouldii and N. valenciennesi are commercially and recreationally important in coastal waters and P. endrachtensis is one of the most recreationally important species in the Swan River Estuary, these biological data were then used to p

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Ellis, Jeffrey M. "A Quantitative Assessment of the January 2010 Cold Spell Effect on Mangrove Utilizing Coral Reef Fishes from Biscayne National Park, Florida." NSUWorks, 2015. http://nsuworks.nova.edu/occ_stuetd/377.

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This study examined the effects of the January 2010 cold spell on mangrove utilizing coral reef fishes off the southeast coast of Florida, USA, in the vicinity of Biscayne National Park (BNP). An ongoing, fishery-independent mangrove visual survey documenting fish assemblages in BNP provided data from the years 1998 to 2014 for examination. Of particular interest were the presence, abundance, and size structure for five mangrove utilizing coral reef fishes: sergeant major (Abudefduf saxatilis), yellowfin mojarra (Gerres cinereus), schoolmaster snapper (Lutjanus apodus), gray snapper (Lutjanus

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Tapp, Nadia. "Do size differences of juvenile snapper (Pagrus auratus) in two regions of Shark Bay, Western Australia, reflect different environmental conditions." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2003. https://ro.ecu.edu.au/theses/1325.

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Aspects of the population biology of juvenile Pagrus auratus in the western gulf of Shark Bay, Western Australia, were investigated to explore the causes of an observed size difference between 0+ fish (first year of life) in the northern and southern regions of that gulf. Five trawl surveys were conducted in each region of the western gulf, from November 2000 to December 2001, to collect juvenile P. auratus. The 0+ fish from the northern region were found to be consistently greater in length by between 10 and 20mm LCF, than those in the southern region, thereby confirming those observed size d

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TinHan, Thomas Christian. "Long-term movement patterns of Yellow Snapper (Lutjanus argentiventris) and Leopard Grouper (Mycteroperca rosacea ) at Los Islotes Reserve, Gulf of California." Thesis, California State University, Long Beach, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1527347.

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<p> Between August 2010 and September 2012, acoustic telemetry was used to monitor movements of 31 Yellow Snapper and 25 Leopard Grouper at Los Islotes reserve, a small rocky reef and reported spawning site for both species in the southwest Gulf of California. Overall, both species exhibited site fidelity to Los Islotes (grouper: present 64 f 30% of days; snapper: 49 ± 30%). Both species frequented rock and wall habitats; though snapper showed greater site attachment to specific portions of the reserve, grouper exhibited greater site fidelity to the entire reserve. Approximately 30% of

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Herdter, Elizabeth Shea. "Growth Rates in Gulf of Mexico Red Snapper, Lutjanus campechanus, Before and After the Deepwater Horizon Blowout." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5419.

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The Deepwater Horizon blowout occurred on April 20th, 2010 and released nearly 5 million barrels of crude oil into the northern Gulf of Mexico causing pollution of the water and sediment inhabited by many fishes for at least 87 days while the wellhead went uncapped. Populations of the Gulf of Mexico Red snapper, Lutjanus campechanus, an important fish to the ecology and economy in the region, exhibit affinity to shallow water oil infrastructure such as the Deepwater Horizon making them especially vulnerable to crude oil contamination. The objective of this study is to determine growth of Red s

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Farmer, Nicholas Alexander. "Reef Fish Movements and Marine Reserve Designs." Scholarly Repository, 2009. http://scholarlyrepository.miami.edu/oa_dissertations/243.

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Movement patterns and space use by mature fishes are critical in determining the effectiveness of marine reserves in conserving spawning stock biomass and/or providing biomass to adjacent fisheries through 'spillover'. Home range sizes, activity patterns, site fidelity and habitat preferences were determined for acoustically-tagged snappers and groupers using a rigorously-calibrated array of omnidirectional hydroacoustic receivers deployed in the diverse coral reef environments of a no-take marine reserve (NTMR) network in the Dry Tortugas, Florida. An individual-based localizing tendency mode

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