Log in

Relevant bibliographies by topics / Fish species / Dissertations / Theses

To see the other types of publications on this topic, follow the link: Fish species.

Dissertations / Theses on the topic 'Fish species'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 dissertations / theses for your research on the topic 'Fish species.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse dissertations / theses on a wide variety of disciplines and organise your bibliography correctly.

1

McGinley, Susan. "Tagging Fish: Monitoring Native Species." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/622273.

Full text

APA, Harvard, Vancouver, ISO, and other styles

2

Bolland, Samuel John. "Describing new species of Cryptosporidium in fish." Thesis, Bolland, Samuel John (2019) Describing new species of Cryptosporidium in fish. Honours thesis, Murdoch University, 2019. https://researchrepository.murdoch.edu.au/id/eprint/54961/.

Full text

Abstract:

The protozoan parasite Cryptosporidium (class Gregarinomorphea, subclass Cryptogregaria) causes a range of symptoms in humans and clinical signs in animals from asymptomatic to severe diarrhoea and death. However, relatively little information is available regarding the taxonomy, zoonotic potential and host relationships of Cryptosporidium in fish. Previous studies have indicated that extensive genetic diversity exists with piscine Cryptosporidium species and genotypes. The present study screened fish from two sources in Perth, Western Australia; Water Garden Life Fish Farm (n=233) and Vebas A

APA, Harvard, Vancouver, ISO, and other styles

3

Wise, Brent Stephen. "Age composition and growth rates of selected fish species in Western Australia." Thesis, Wise, Brent Stephen (2005) Age composition and growth rates of selected fish species in Western Australia. PhD thesis, Murdoch University, 2005. https://researchrepository.murdoch.edu.au/id/eprint/410/.

Full text

Abstract:

Growth typically varies considerably amongst the individuals in a population and between individuals in different populations of the same species, especially when those populations are found in environments in which the characteristics differ markedly. Although the annuli in hard structures are often used to age fish, such growth zones are not always clearly defined in these structures. Thus, in these cases, it is necessary to use alternative methods for ageing, such as analysis of modal progressions in length-frequency data. However, these types of techniques can usually only identify distinc

APA, Harvard, Vancouver, ISO, and other styles

4

Wise, Brent Stephen. "Age composition and growth rates of selected fish species in Western Australia." Wise, Brent Stephen (2005) Age composition and growth rates of selected fish species in Western Australia. PhD thesis, Murdoch University, 2005. http://researchrepository.murdoch.edu.au/410/.

Full text

Abstract:

Growth typically varies considerably amongst the individuals in a population and between individuals in different populations of the same species, especially when those populations are found in environments in which the characteristics differ markedly. Although the annuli in hard structures are often used to age fish, such growth zones are not always clearly defined in these structures. Thus, in these cases, it is necessary to use alternative methods for ageing, such as analysis of modal progressions in length-frequency data. However, these types of techniques can usually only identify distinc

APA, Harvard, Vancouver, ISO, and other styles

5

Henriksson, Anna. "Biotic resistance in freshwater fish communities." Doctoral thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-110251.

Full text

Abstract:

Invasions of non-native species cause problems in ecosystems worldwide, and despite the extensive effort that has been put into research about invasions, we still lack a good understanding for why some, but not other, communities resist these invasions. In this doctoral thesis I test hypotheses on biotic resistance using a large dataset of more than 1000 both failed and successful introductions of freshwater fish into Swedish lakes. We have found that the classic species richness hypothesis is a poor descriptor of introduction success because it fails to acknowledge that resident species contr

APA, Harvard, Vancouver, ISO, and other styles

6

Lazo, Zamalloa Oxana. "Development of new products from aquaculture fish species." Doctoral thesis, Universitat de Girona, 2018. http://hdl.handle.net/10803/471460.

Full text

Abstract:

Europeans are regular consumers of fish and aquaculture products. Therefore, five species of potential aquaculture rearing named: Meagre, Pikeperch, Grey Mullet, Greater Amberjack and Wreckfish were selected for new product development. This work incorporated opinions of both experts and naïve assessors thus, including specific demands and consumer preferences, in selected markets of the European Union (UK, Germany, Spain, France and Italy). Different fish product prototypes were developed from the fish species accordingly with suggested ideas and based on the physicochemical and sensory prope

APA, Harvard, Vancouver, ISO, and other styles

7

Fugère, Vincent. "Electric signals and species recognition in gymnotiform fish." Thesis, McGill University, 2010. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=86810.

Full text

Abstract:

Gymnotiformes are South American weakly electric fish that produce weak electric organ discharges (EOD) for orientation, foraging and communication purposes. Because EOD properties vary widely across species, electric signals could serve a species recognition function. We quantified the electric signals of various species and used discriminant function analyses to verify whether these signals are species-specific based on different signal parameters. We found that the EOD waveform was a more specific cue than EOD frequency. Using Apteronotus leptorhynchus as a focal species, we complemented th

APA, Harvard, Vancouver, ISO, and other styles

8

Diffoot, Nanette. "Corydoras aeneus: a diploid-tetraploid fish species complex." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/101468.

Full text

Abstract:

Corydoras aeneus is an armoured catfish found in the upper amazon regions of South America. It is a member of the family Callichthyidae. Studies done with this species of fish showed that C. aeneus is a tetraploid with a chromosome number of 132 (Scheel et al. , 1972). Dunham et al. (1980) reported 120 chromosomes. The C. aeneus used in this study were bought from direct importers. We had four samples of fishes supposedly coming from Brazil (Belem), Guyana, Peru and Trinidad. During our initial studies in an attempt to karyotype aeneus we came across individuals with a highly reduced chromosom

APA, Harvard, Vancouver, ISO, and other styles

9

Pyle, Gregory G. "The toxicity and bioavailability of nickel and molybdenum to standard toxicity-test fish species and fish species found in northern Canadian lakes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ63914.pdf.

Full text

APA, Harvard, Vancouver, ISO, and other styles

10

Muñoz, Mas Rafael. "Multivariate approaches in species distribution modelling: Application to native fish species in Mediterranean Rivers." Doctoral thesis, Universitat Politècnica de València, 2018. http://hdl.handle.net/10251/76168.

Full text

Abstract:

This dissertation focused in the comprehensive analysis of the capabilities of some non-tested types of Artificial Neural Networks, specifically: the Probabilistic Neural Networks (PNN) and the Multi-Layer Perceptron (MLP) Ensembles. The analysis of the capabilities of these techniques was performed using the native brown trout (Salmo trutta; Linnaeus, 1758), the bermejuela (Achondrostoma arcasii; Robalo, Almada, Levy & Doadrio, 2006) and the redfin barbel (Barbus haasi; Mertens, 1925) as target species. The analyses focused in the predictive capabilities, the interpretability of the models an

APA, Harvard, Vancouver, ISO, and other styles

11

Cunningham, Carey O. "Molecular methods of distinguishing Gyrodactylus species parasitising salmonid fish." Thesis, University of Aberdeen, 1995. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU068351.

Full text

Abstract:

<I>Gyrodactylus salaris</I> Malmberg, 1957, a monogenean parasite of salmonid fish, has caused the death of up to 95% of salmon parr in 37 Norwegian rivers. In order to prevent further spread of this parasite, a reliable method of identifying <I>G. salaris</I> and distinguishing it from other closely related species is required. This study, the first investigation of <I>Gyrodactylus</I> genetics, has demonstrated that DNA technology can provide methods of gyrodactylid species identification suitable for routine use. DNA was extracted from <I>G. salaris</I> and two other species common on salmo

APA, Harvard, Vancouver, ISO, and other styles

12

Orchard, Trevor Jonathan. "The role of selected fish species in Aleut paleodiet." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ62559.pdf.

Full text

APA, Harvard, Vancouver, ISO, and other styles

13

Johansson, Ulf. "Stream channelization effects on fish abundance and species composition." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-97292.

Full text

Abstract:

Streams are important habitats, providing shelter and feeding opportunities for a wide range of organisms. The species depending on running waters includes a wide array of fish species, using these waters for their whole or parts of their lifecycle. Streams are also the subject of different anthropogenic impact, e.g. hydropower development. Hydropower development usually means lost connectivity, altered flow regimes and channelization. Channelization is one of the major factors causing stream habitat loss and degradation and thereby a threat to biodiversity of running waters. In the present st

APA, Harvard, Vancouver, ISO, and other styles

14

Lefkaditis, Dionysios. "Intelligent visual otolith classification for bony fish species recognition." Thesis, University of Brighton, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500781.

Full text

Abstract:

The study of otoliths is a well-established source of information for understanding the life offish and fish populations. Conducting fish species identification from otolith samples found in the stomach contents of marine fish-eating animals finds interesting applications such as dietary studies, stock monitoring, assessment and management. Fish species identification can provide useful data for climatology, archaeology and palaeontology research, as otoliths can be sourced from geological sediments or archaeological excavations. Analysing an otolith is a highly complex and time-consuming proc

APA, Harvard, Vancouver, ISO, and other styles

15

Wearmouth, Victoria Jayne. "Mechanisms underlying sexual segregation in a monomorphic fish species." Thesis, University of Bristol, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.437306.

Full text

APA, Harvard, Vancouver, ISO, and other styles

16

Gibbons, Wade N. "Suitability of small fish species for monitoring the effects of pulp mill effluent on fish populations." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq21350.pdf.

Full text

APA, Harvard, Vancouver, ISO, and other styles

17

Raitaniemi, Jari. "The growth responses of fish to differences in acidity-related lake characteristics and fish species composition." Helsinki : University of Helsinki, 1999. http://ethesis.helsinki.fi/julkaisut/mat/ekolo/vk/raitaniemi/.

Full text

APA, Harvard, Vancouver, ISO, and other styles

18

Carden, Kerilynn M. "Macrophytes as fish habitat : the role of macrophyte morphology and bed complexity in fish species distributions /." Link to abstract, 2002. http://epapers.uwsp.edu/abstracts/2002/Carden.pdf.

Full text

APA, Harvard, Vancouver, ISO, and other styles

19

Kassler, T. W. "Genetic assessment of two stizostedion species and their hybrid in the Ohio River, final report." [Champaign, Ill.] : Illinois Natural History Survey, Center for Aquatic Ecology, 2000. http://hdl.handle.net/2142/10599.

Full text

Abstract:

Includes bibliographical references.<br>"Submitted to Ohio Division of Wildlife." "The first objective was to determine the accuracy of field identification of individual fish to species and to assess the extent of hybridization between walleye and sauger ... The second objective was to assess genetic variation in both species ... " -- p.3. Also available in print.

APA, Harvard, Vancouver, ISO, and other styles

20

Edwards, Christopher J. "Recreational Angler Perspectives of Nonnative Fish Species and Mercury Advisories." FIU Digital Commons, 2013. http://digitalcommons.fiu.edu/etd/1035.

Full text

Abstract:

The central Everglades serve as a Wildlife Management Area and as a Water Conservation Area for the Miami-Fort Lauderdale metropolitan area. It is also home to over 22 nonnative freshwater fish species and carries restrictive fish consumption guidelines for Mercury. In my study, boat anglers and canal bank anglers were personally interviewed in the field, to research their awareness and perspectives of these potential environmental and health threats. The study found 78% of anglers were aware of the presence of nonnative fish species, but favored native fish species, and that 69% were aware of

APA, Harvard, Vancouver, ISO, and other styles

21

Hendrickson, Jamie Willis. "Structural Characterization of Parvalbumin from an Antarctic Notothenioid Fish Species." Fogler Library, University of Maine, 2005. http://www.library.umaine.edu/theses/pdf/HendricksonJW2005.pdf.

Full text

APA, Harvard, Vancouver, ISO, and other styles

22

Parkyn, Gary. "Cloning and characterisation of angiotensin receptors in species of fish." Thesis, University of Exeter, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312337.

Full text

APA, Harvard, Vancouver, ISO, and other styles

23

Costa, Graca Maria Pereira da. "Liver coccidiosis in some marine fish species from Scottish waters." Thesis, University of Aberdeen, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.317711.

Full text

Abstract:

The Coccidia <i>Goussia clupearum</i> (Thelohan, 1894) Labbe, 1896 was found infecting the liver of four different fish species from Scottish water; herring <i>Clupea harengus</i>, mackerel <i>Scomber scombrus</i>, Norway pout <i>Trisophterus esmarkii</i> and poorcod <i>Trisopterus minutus</i>. Sprat <i>Sprattus sprattus</i> was not infected. The stages of development corresponding to gamogony and sporogony of this parasite are described by light and electron microscopy on livers of naturally infected fish. Macroscopical lesions due to coccidiosis were not found. A condition named as 'red live

APA, Harvard, Vancouver, ISO, and other styles

24

White, D. J. "The CatchMeter : application of computer vision for fish species recognition." Thesis, University of Aberdeen, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.445154.

Full text

Abstract:

This thesis describes trials of a computer vision machine (The CatchMeter) for identifying and measuring different species of fish. The fish are transported along a conveyor underneath a digital camera. Image processing algorithms determine the orientation of the fish utilising a moment-invariant method, identify whether the fish is a flatfish or roundfish with 100% accuracy, and measure the length with a standard deviation of 1.2mm and species with up to 99.8% sorting reliability for sixteen species of fish. The machine can theoretically process up to 30 000 fish per hour using a single con

APA, Harvard, Vancouver, ISO, and other styles

25

Torres, Lisette E. "Variation Among Fish Species in the Stoichiometry of Nutrient Excretion." Miami University / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=miami1123178303.

Full text

APA, Harvard, Vancouver, ISO, and other styles

26

Laughlin, Thomas Fain. "Hypervariable DNA markers and population structure in three fish species." Diss., This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06062008-171854/.

Full text

APA, Harvard, Vancouver, ISO, and other styles

27

Liyanapatirana, Chamindu. "Microfluidic analysis of free amino acids from different fish species." Master's thesis, Mississippi State : Mississippi State University, 2008. http://library.msstate.edu/etd/show.asp?etd=etd-02032008-193849.

Full text

APA, Harvard, Vancouver, ISO, and other styles

28

Rinne, John N. "Relationship of Fine Sediment and Two Native Southwestern Fish Species." Arizona-Nevada Academy of Science, 2001. http://hdl.handle.net/10150/296569.

Full text

APA, Harvard, Vancouver, ISO, and other styles

29

Abban, Edward Kofi. "Taxonomy and biochemical genetics of some African freshwater fish species." Thesis, Swansea University, 1988. https://cronfa.swan.ac.uk/Record/cronfa43062.

Full text

APA, Harvard, Vancouver, ISO, and other styles

30

Sapp, Shawn A. "Population trends of major near-shore fish species in Indiana waters of Lake Michigan." Virtual Press, 1999. http://liblink.bsu.edu/uhtbin/catkey/1125023.

Full text

Abstract:

The purpose of this research was to determine population trends of major nearshore fish species in Indiana waters of Lake Michigan from 1984 to 1998 to gain insight into species dynamics. Index trawl samples were collected twice monthly from June through August at three locations. Trends of catch-per-unit-effort (CPUE) were investigated for the most abundant species: yellow perch (Perca flavescens), alewife (Alosa pseudoharengus), spottail shiner (Notropis hudsonius), rainbow smelt (Osmerus mord iz), and bloater (Coregonus hoyi). Trawl catch of yellow perch, alewife, and spottail shiners at si

APA, Harvard, Vancouver, ISO, and other styles

31

Zhang, Ziyang. "Studies on otolith growth increments in Tilapia species." Thesis, Bangor University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.291686.

Full text

APA, Harvard, Vancouver, ISO, and other styles

32

Duarte, Gonçalo Filipe Fernandes. "Ghost of diadromous fish past: streamlining research on diadromous fish species using historical data at european scale." Doctoral thesis, ISA/UL, 2019. http://hdl.handle.net/10400.5/18329.

Full text

Abstract:

Doutoramento em Restauro e Gestão Fluviais - Instituto Superior de Agronomia / Faculdade de Arquitetura / Instituto Superior Técnico<br>The decline of diadromous fish species has been occurring at least since the beginning of the 20th century. In this thesis, multiple European databases on the historical distribution of diadromous fish were consulted and, acknowledging the lack of data for Portugal, the first database of Portuguese historical data for freshwater fish was created. The existence of multiple databases with distinct geographical coverage and data at different spatial scales lead t

APA, Harvard, Vancouver, ISO, and other styles

33

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.

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

APA, Harvard, Vancouver, ISO, and other styles

34

Alexander, Gavin D. "Foraging ecology of goosander (Mergus merganser) and red-breasted merganser (M. serrator) ducklings in north east Scotland." Thesis, University of Aberdeen, 1995. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU083108.

Full text

Abstract:

Fish populations were sampled by electrofishing at a variety of sites on the Rivers N. Esk (1992-3) and Dee (1993-4) for comparison with sawbill duckling diets from the same rivers. Sampling methods are described and discussed in relation to other methods and in terms of possible biases. Within electrofished samples species distribution were similar on the two rivers, but more fish were caught per unit effort on the N. Esk. Catch results are described in terms of fish numbers and catch weights of each species from different sections of river and from different sampling times over the summers.

APA, Harvard, Vancouver, ISO, and other styles

35

Dunn, Matthew Richard. "The exploitation of selected non-quota species in the English Channel." Thesis, University of Portsmouth, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301983.

Full text

APA, Harvard, Vancouver, ISO, and other styles

36

O'Sullivan, Martha. "Population structure of demersal fish species in the north eastern Atlantic." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources. Restricted: no access until Dec. 31, 2010. Online version available for University members only until June 2, 2011, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=26063.

Full text

APA, Harvard, Vancouver, ISO, and other styles

37

Khem, Sarim. "Development of model fermented fish sausage from New Zealand marine species." Click here to access this resource online, 2009. http://hdl.handle.net/10292/807.

Full text

Abstract:

Three New Zealand marine species, hoki (Macruronus novaezealandiae), kahawai (Arripis trutta) and trevally (Pseudocaranx dentex) were used to develop model fermented fish sausage. The formulation comprised fish mince, carbohydrate, minced garlic and salt in a mass ratio of 1 (fish): 0.15: 0.05: 0.03, respectively. The carbohydrate source was cooked rice or glucose. (Endogenous lactic acid bacteria (LAB) failed to ferment rice). Folate was also added to the mixture as a factor. The mixtures were extruded into 50 mL plastic syringes, where the needle end of the barrel had been excised by la

APA, Harvard, Vancouver, ISO, and other styles

38

Shank, Isabelle. "Behavioural Syndromes: Implications for Electrocommunication in a Weakly Electric Fish Species." Thèse, Université d'Ottawa / University of Ottawa, 2013. http://hdl.handle.net/10393/24169.

Full text

Abstract:

Behavioural syndromes, defined as suites of correlated behaviours across different contexts, are used to characterize individual variability in behaviours. Males of the weakly electric fish species, Apteronotus leptorhynchus, produce electro-communication signals called chirps. Chirps are thought to be involved in agonistic signalling, as their relative incidence increases during agonistic conspecific interactions. However, high levels of individual variability in aggression obscure the role of chirps in mediating aggression. Here, I tested the presence of an aggression-boldness behavioural sy

APA, Harvard, Vancouver, ISO, and other styles

39

Sarkardei, Samiramis. "Mechanisms of lipid oxidation and safety assessment in underutilised fish species." Thesis, University of Surrey, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418255.

Full text

APA, Harvard, Vancouver, ISO, and other styles

40

Bracewell, Philip John. "The effects of electric fishing on some freshwater cyprinid fish species." Thesis, University of Hull, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327287.

Full text

APA, Harvard, Vancouver, ISO, and other styles

41

Strachan, N. J. C. "Automatic fish species grading using image processing and pattern recognition techniques." Thesis, University of Aberdeen, 1990. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU546342.

Full text

Abstract:

Size and species grading of fish (eg on board a fishing vessel) might in future be done entirely automatically using image analysis and pattern recognition techniques. Three methods of discriminating between pictures of seven different species of fish have been compared: using invariant moments, optimisation of the mismatch, and shape descriptors. A novel method of obtaining the moments of a polygon is described. It was found that the shape descriptors gave the best results with a sorting reliability of 90&'37. Different methods of producing symmetry lines from the shape of fish have been stud

APA, Harvard, Vancouver, ISO, and other styles

42

Pen, Luke Jerome. "The biology of four species of native and two species of introduced fish in south-western Australia." Thesis, Pen, Luke Jerome (1990) The biology of four species of native and two species of introduced fish in south-western Australia. PhD thesis, Murdoch University, 1990. https://researchrepository.murdoch.edu.au/id/eprint/52017/.

Full text

Abstract:

A seine net (3 mm mesh), and where necessary other methods, were used to collect three native species (Galaxias occidental is, Bostockia porosa and Edelia vittata) and two introduced species (Gambusia affinis and Perea fluviatilis) at regular intervals from the southern branch of the Collie River. The same net was used to sample the native species Galaxiella munda from a tributary of the Warren River 120 km further south in Western Australia. Annuli on otoliths and the seasonal trends shown by gonadal development, including changes in oocyte diameter, were used to determine the age and the dur

APA, Harvard, Vancouver, ISO, and other styles

43

Verghese, Bindhu. "Electrophoretic patterns of the general proteins of four species belonging to the Family Carangidae." Thesis, Central Marine Fisheries Research Institute, 1998. http://eprints.cmfri.org.in/11038/1/Bindhu%20Varghese.pdf.

Full text

Abstract:

Muscle proteins usually provide useful information and therefore are frequently used as valuable diagnostic characters in the classification of fishes at species, generic, familial and higher taxonomic levels. The muscle myogen of four species of carangids. viz, Decapterus russelli, D. macrosoma, Selar crumenophthalmus and Megalaspis cordyla using horizontal slab polyacrylamide gel electrophoresis (Gel conc. 7.5%) is reported in the present communication. The number of protein fractions and the presumptive loci in muscle of D. russelli, D. macrosoma, S. crumenophthalmus and M. cordyla were f

APA, Harvard, Vancouver, ISO, and other styles

44

Townhill, Bryony Lindsey. "Marine species and climate change : using modelling techniques to investigate effects on species distributions." Thesis, University of Exeter, 2016. http://hdl.handle.net/10871/25283.

Full text

Abstract:

Anthropogenic climate change is one of the main challenges affecting the globe, with particular implications for the oceans. Marine climate change research has moved forward rapidly in recent years, and a range of physical model outputs are available that can be used by ecologists to help predict how species might be affected into the future. Policy makers require a level of understanding of how certain species and their ranges might change so that they can respond with sustainable management actions. This thesis aims to make use of a number of modelling techniques to explore implications of p

APA, Harvard, Vancouver, ISO, and other styles

45

Buckwalter, Joseph Daniel. "Temporal trends in stream-fish distributions, and species traits as invasiveness drivers in New River (USA) tributaries." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/64773.

Full text

Abstract:

Biological invasions represent both an urgent conservation problem and an opportunity to advance ecological theory. Development of pertinent research questions and proactive management strategies require knowledge of which introduced species are present and of spatiotemporal trends in the distribution of natives and invaders. In Chapter 2 we developed a quantitative framework to identify spreaders and decliners and estimate invasion chronologies based on a historical fish presence data set for upper and middle New River (UMNR) tributaries. Our framework accounts for spatiotemporal variability

APA, Harvard, Vancouver, ISO, and other styles

46

Go, Jeffrey. "Megalocytiviruses of freshwater ornamental fish and pathogenicity in marine and euryhaline species." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/14118.

Full text

Abstract:

Megalocytiviruses affect a broad range of fish species and have caused widespread mortality in aquaculture throughout Asia. The first confirmed report involved mass mortality in red sea bream cultured off Shikoku Island, Japan in 1990. Ornamental fish exhibiting pathology consistent with Megalocytivirus infection have been reported from a range of countries, frequently in association with fish recently imported from south east Asia. Although the relationship between megalocytiviruses in ornamental fish and food fish remains unclear, a potential linkage between a Megalocytivirus from a disease

APA, Harvard, Vancouver, ISO, and other styles

47

Hupé, Ginette Jessica. "Electrocommunication in a Species of Weakly Electric Fish Apteronotus Leptorhynchus: Signal Patterning and Behaviour." Thesis, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/20675.

Full text

Abstract:

Weakly electric fish produce and detect electric fields and use their electrosensory modality in a number of behaviours including navigation and communication. They can modulate their electric discharge in frequency and amplitude to produce electrocommunication signals in variable patterns during social interactions. In one model neuroethological species, Apteronotus leptorhynchus, the most commonly produced communication signal is the ‘small chirp’ – a brief 10-30ms modulation. Individuals tend to produce these signals at high rates during agonistic interactions. In this thesis I will explore

APA, Harvard, Vancouver, ISO, and other styles

48

Kuta, Kevin G. "The Effect of Demersal Reef Fish on Two Species of Gorgonian Coral." NSUWorks, 1992. http://nsuworks.nova.edu/occ_stuetd/356.

Full text

Abstract:

The effect of demersal reef fish on the gorgonians Pterogorgia anceps and Plexaurella grisea was determined under controlled conditions. Demersal reef fish cause significant changes in Pterogorgia anceps zooxanthellae concentration (cells cm-3), bulk density (g cm-3), and spicule concentration (g cm-3). Growth rates as measured by changes in planar area (cm2) are not significantly affected. No significant differences were found among any of the parameters measured for Plexaurella grisea; however, trends in the data were similar to those of P. anceps.

APA, Harvard, Vancouver, ISO, and other styles

49

au, bwise@fish wa gov, and Brent Stephen Wise. "Age composition and growth rates of selected fish species in Western Australia." Murdoch University, 2005. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20061123.120638.

Full text

Abstract:

Growth typically varies considerably amongst the individuals in a population and between individuals in different populations of the same species, especially when those populations are found in environments in which the characteristics differ markedly. Although the annuli in hard structures are often used to age fish, such growth zones are not always clearly defined in these structures. Thus, in these cases, it is necessary to use alternative methods for ageing, such as analysis of modal progressions in length-frequency data. However, these types of techniques can usually only identify distinc

APA, Harvard, Vancouver, ISO, and other styles

50

Madden, Peter William. "Structural and Kinetic Characterization of Myoglobins from Eurythermal and Stenothermal Fish Species." Fogler Library, University of Maine, 2003. http://www.library.umaine.edu/theses/pdf/MaddenPW2003.pdf.

Full text

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!