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Dissertations / Theses on the topic 'Gudgeon'

Author: Grafiati

Published: 4 June 2021

Last updated: 21 February 2023

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1

Davies, Gareth Dyfrig. "Applied ecology and management of the invasive topmouth gudgeon Pseudorabora parva in England & Wales." Thesis, Bournemouth University, 2015. http://eprints.bournemouth.ac.uk/24526/.

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Introduced species are a major threat to native biodiversity and, whilst there are socio-economic benefits often gained from introductions, there are also inherent risks to receiving ecosystems, particularly from those species that develop invasions. This is problematic, as once in the wild, their management is inherently difficult. The most effective method to avoid an invasion is preventing the initial introduction; if this is unsuccessful, then methods should aim to minimise the dispersal opportunities of the species into the wider environment. This research used the Asian fish of the Cypri

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2

Syaifullah, of Western Sydney Hawkesbury University, and Faculty of Science and Technology. "Genetic variation and population structure within the Gudgeon genus Hypseleotris (Pisces-Eleotridae) in Southeastern Australia." THESIS_FST_XXX_Syaifullah_X.xml, 1999. http://handle.uws.edu.au:8081/1959.7/231.

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This study investigated the causes of high level of intra-and inter-population variation known to occur in the morphology of fish in the genus Hypseleotris Eleotride in southern Australia, particularly within the Murray-Darling river system. The three major objectives of the study were, identify the number and distribution of species,determine the genetic structure of the populations and analyse relationships between species and consider the process of speciation in this species complex. The investigation of morphological variation in Hypseleotris confirmed the presence of two well known speci

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3

Syaifullah. "Genetic variation and population structure within the Gudgeon genus Hypseleotris (Pisces-Eleotridae) in Southeastern Australia /." View thesis View thesis, 2000. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030508.154626/index.html.

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Thesis (Ph.D.)--University of Western Sydney, Hawkesbury, 1999.<br>"A Thesis submitted to the Faculty of Science and Technology in fulfilment of the requirements for the Degree of Doctor of Philosophy". "November 1999". Bibliography : leaves 147-155.

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4

Taylor, Mark. "Immunoparasitological studies on Ligula intestinalis (Cestoda: Pseudophyllidea) in roach (Rutilus rutilus) and gudgeon (Gobio gobio)." Thesis, Keele University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304479.

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5

Fletcher, David. "Biological invasion risk assessment, considering adaptation at multiple scales : the case of topmouth gudgeon Pseudorasbora parva." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTG029/document.

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Afin de quantifier les risques d’invasion chez le goujon Asiatique Pseudorasbora parva, un petit cyprinidae d’eau douce, j’ai tout d’abord testé une approche corrélative de modélisation de la niche climatique dans laquelle j’ai intégré un proxy relatif à la probabilité d’introduction. Cette approche s’appuie sur des assomptions relatives à l’adaptation des organismes aux conditions environnementales locales ou régionales. J’ai ensuite comparé la niche climatique mesurée de deux lignées génétiques majeures à la fois dans les aires natives et envahies. Puis dans un second temps, par une approche

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6

Hunt, Richard Joseph. "The effect of Australian gudgeon (Hypseleotris spp.) on phytoplankton in a subtropical reservoir, and implications for food web manipulation /." St. Lucia, Qld, 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17759.pdf.

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7

Burnard, Dean. "Reproductive chemical cues in two freshwater fishes : topmouth gudgeon Pseudorasbora parva (Temminck and Schlegel) and sunbleak Leucaspius delineatus (Heckel)." Thesis, Cardiff University, 2010. http://orca.cf.ac.uk/54934/.

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The use of reproductive chemical cues is widespread amongst fishes. However, the most understood sex pheromone systems derive from species that employ a scramble spawning reproductive strategy. This thesis investigated for the first time the use of reproductive chemical communication in topmouth gudgeon <italic> Pseudorasbora parva</italic> (Temminck & Schlegel) and sunbleak <italic> Leucaspius delineates</italic> (Heckel) that use two different forms of a male nest guarding reproductive strategy. In topmouth gudgeon, approximately a third of reproductive females adopted a body posture in

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8

Meredith, Shaun Nicholas. "Ecology and bioenergetics of the gudgeon (Hypseleotris spp.) in Maroon Dam: a zooplanktivorous fish in a whole-lake biomanipulation." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/16184/1/Shaun_Meredith_Thesis.pdf.

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Gudgeon (Hypseleotris spp.) are the most widespread and abundant native Australian freshwater fish and the dominant zooplanktivore in Maroon Dam, the site of Australia's first whole-lake biomanipulation experiment. The spatial (littoral and pelagic) and temporal (diurnal and seasonal) distribution and diet of Hypseleotris was examined following the addition of 100,000 piscivorous Australian Bass (Macquaria novemaculeata) to Maroon Dam in the summer of 1998/99. A strong spatial and temporal ontogeny was observed, with smaller (<16 mm SL) Hypseleotris dominating the pelagic, an intermediate (12-

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9

Meredith, Shaun Nicholas. "Ecology and bioenergetics of the gudgeon (Hypseleotris spp.) in Maroon Dam: a zooplanktivorous fish in a whole-lake biomanipulation." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16184/.

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Gudgeon (Hypseleotris spp.) are the most widespread and abundant native Australian freshwater fish and the dominant zooplanktivore in Maroon Dam, the site of Australia's first whole-lake biomanipulation experiment. The spatial (littoral and pelagic) and temporal (diurnal and seasonal) distribution and diet of Hypseleotris was examined following the addition of 100,000 piscivorous Australian Bass (Macquaria novemaculeata) to Maroon Dam in the summer of 1998/99. A strong spatial and temporal ontogeny was observed, with smaller (<16 mm SL) Hypseleotris dominating the pelagic, an intermediate (12-

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10

Simon, Andrea. "Genetic factors affecting establishment during invasions : the introduction of the topmouth gudgeon (Pseudorasbora parva) and the rainbow trout (Oncorhynchus mykiss) in Europe." Thesis, University of Hull, 2012. http://hydra.hull.ac.uk/resources/hull:6254.

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The study of biological invasions is a major research topic, both because of the ecological and economical damage caused by invasive species and also as a great natural experiment to study evolutionary responses of non-native populations to their new environment, and the factors influencing invasions. Introduced species often evolve rapidly, despite the assumed loss of genetic variation associated with bottlenecks during the invasion process. In order examine the processes and mechanisms affecting the outcome invasions I studied two non-native fish species, the topmouth gudgeon (Pseudorasbora

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11

Peterson, Kylie, and n/a. "Environmental impacts on spawning and survival of fish larvae and juveniles in an upland river system of the Murray-Darling Basin." University of Canberra. Resource, Environmental & Heritage Sciences, 2003. http://erl.canberra.edu.au./public/adt-AUC20060713.121419.

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Six rivers within the upper Mumbidgee catchment were sampled for larval and juvenile fish. The rivers represented both regulated and unregulated flow regimes and varied widely in size. There was wide variation in the larval fish communities supported by each river, both in terms of the species diversity and total abundance of fish sampled. The highly regulated reach of the Mumbidgee River sampled during this study had the highest numbers of native species and native individuals of any river sampled. In the two rivers selected for further study, the Murmmbidgee and Goodradigbee, there was a hig

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12

Syaifullah. "Genetic variation and population structure within the Gudgeon genus Hypseleotris (Pisces-Eleotridae) in Southeastern Australia." Thesis, 1999. http://handle.uws.edu.au:8081/1959.7/231.

Full text

Abstract:

This study investigated the causes of high level of intra-and inter-population variation known to occur in the morphology of fish in the genus Hypseleotris Eleotride in southern Australia, particularly within the Murray-Darling river system. The three major objectives of the study were, identify the number and distribution of species,determine the genetic structure of the populations and analyse relationships between species and consider the process of speciation in this species complex. The investigation of morphological variation in Hypseleotris confirmed the presence of two well known speci

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13

Shackleton, Michelle Anne. "Mate choice, parental care and foraging behaviour of the northern trout gudgeon, Mogurnda mogurnda (Pisces : Eleotridae)." Phd thesis, 2007. http://hdl.handle.net/1885/173569.

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14

NĚMEC, Karel. "Potravní konkurence mezi plůdkem kapra (Cyprinus carpio) a střevličkou východní (Pseudorasbora parva)." Master's thesis, 2008. http://www.nusl.cz/ntk/nusl-48763.

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Small cyprinid fish, the topmouth gudgeon (Pseudorasbora parva Schlegel, 1842) is considered as an undesirable fish species because it represents an important food competitor for commercial non-predatory fishes. This study was performed under pond conditions (four ponds in South Moravia and two ponds in South Bohemia) during the growing seasons in 2006 {--} 2007. The purpose of my work was to determinate the level of food competition between topmouth gudgeon and common carp (Cyprinus carpio) as a dominating pond fish species. Food selectivity was evaluated using Ivlev´s electivity index (Jacob

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15

Lyach, Roman. "Potrava vydry říční (Lutra lutra) v závisloti na vysazení potoční formy pstruha obecného (Salmo trutta m. fario) a lipana podhorního (Thymallus thymallus)." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-332144.

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This study aimed to evaluate otter predation on stocked trout and grayling. The diet composition of piscivorous Eurasian otters (Lutra lutra) was studied on the stream Chotýšanka in central Bohemia using spraint (otter faeces) analysis during one winter period (90 days). Stocking took place mostly in the second half of 2005. Around 5000 hatchery-reared brown trouts (Salmo trutta m. fario) of size about 10 cm, 600 graylings (Thymallus thymallus) of the same size and 480 rainbow trouts (Oncorhynchus mykiss) of size about 30 cm were stocked into the stream. Spraints were collected in December 200

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