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Dissertations / Theses on the topic 'Starfishes'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 July 2024

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1

Palmer, Shiree. "The ecological role of a common seastar (Patiriella spp.) within intertidal cobble fields : a thesis submitted to the Victoria University of Wellington in partial fulfilment of the requirements for the degree of Master of Science in Marine Biology /." ResearchArchive@Victoria e-Thesis, 2010. http://hdl.handle.net/10063/1240.

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2

Palmer, Penny L., and n/a. "The biology of Dendrogaster (Crustacea, Ascothoracida), parasitic in sea stars from Otago, New Zealand." University of Otago. Department of Marine Science, 2009. http://adt.otago.ac.nz./public/adt-NZDU20090731.161951.

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Little is known of the biology of the parasite Dendrogaster (Crustacea: Ascothoracida), an obligate endoparasite of sea stars. There are some 25 species of Dendrogaster reported worldwide. The highly modified females live within the coelomic cavity of the host, and heterochronous males are parasitic within the mantle cavity of the female. Two sea star species from the Otago Coast were found to be infected with two species of Dendrogaster. These parasite populations were studied from July 1993 to December 1994 to investigate specific aspects of their biology and the interactions between these p

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3

Martel, André. "Cycle et comportement de reproduction du néogastéropode Buccinum undatum L. dans le golfe Saint-Laurent /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1985. http://theses.uqac.ca.

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4

Boivin, Yves. "Le cycle de reproduction d'une étoile de mer couveuse subarctique Leptastérias polaris /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1985. http://theses.uqac.ca.

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5

Peters, Kevin J. "The chemical ecology of Antarctic sponges." Birmingham, Ala. : University of Alabama at Birmingham, 2009. https://www.mhsl.uab.edu/dt/2009p/peters.pdf.

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Thesis (Ph. D.)--University of Alabama at Birmingham, 2009.<br>Additional advisors: Bill J. Baker, James B. McClintock, Donald D. Muccio, Robert W. Thacker. Description based on contents viewed June 3, 2009; title from PDF t.p. Includes bibliographical references.

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6

Cambell, Stephen Sean. "Morphology and histochemistry of the extracellular matrix of embryos following freeze substitution of the starfish Pisaster ochraceus." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/28938.

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All developing embryos contain an extracellular matrix (ECM) consisting of proteins, glycoproteins, and proteoglycans. These components are important for morphogenetic processes such as cell migration, cell differentiation and cell death. The ECM of the starfish, Pisaster ochraceus, consists of three major components: A hyaline layer which coats the external surface of the embryo; a basal lamina which lines the basal surfaces of the epithelia; and a blastocoelic component which fills the embryonic cavity or blastocoel. Observations of chemically fixed asteroid embryos have revealed the hyalin

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7

Poorbagher, Hadi, and n/a. "Life-history ecology of two New Zealand echinoderms with planktotrophic larvae." University of Otago. Department of Marine Science, 2008. http://adt.otago.ac.nz./public/adt-NZDU20081029.160011.

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The importance of parental nutritional status on planktotrophic larvae was investigated in both laboratory-conditioned and field (populations) parents of two New Zealand echinoderms: the sea urchin Pseudechinus huttoni and the starfish Sclerasterias mollis. Three questions were addressed: (i) Does parental nutritional status affect the reproductive features (gonad index, gametogenesis, fecundity and biochemical composition) both in the laboratory and under natural conditions? (ii) Does parental nutritional status affect egg characteristics (diameter, number, dry weight, fertilization rate an

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8

BOYER, EDWARD HENRI. "THE NATURAL DISAPPEARANCE OF A TOP CARNIVORE AND ITS IMPACT ON AN INTERTIDAL INVERTEBRATE COMMUNITY: THE INTERPLAY OF TEMPERATURE AND PREDATION ON COMMUNITY STRUCTURE (GULF OF CALIFORNIA)." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184109.

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The predatory sea star, Heliaster kubiniji, has been hypothesized to be a "keystone species" that is instrumental in maintaining diversity in the intertidal zones of the northern Gulf of California (Paine 1966). Four hundred and one Heliaster stomach samples collected in 1974-1976 from Station Beach, Puerto Penasco, Sonora, Mexico indicated that Heliaster consumed a variety of prey but preferred barnacles, Chthamalus anisopoma (93% of all prey items). The catastrophic decline of Heliaster in the Gulf of California in 1978 resulted in mortalities approaching 100% (Dungan et al 1982). Pre-die-of

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9

Şahin, Özge Turna İsmail İbrahim. "Antalya Körfezi Doğu Kıyıları' nda (Antalya - Gazipaşa) echinodermata faunasının belirlenmesi /." Isparta : SDÜ Fen Bilimleri Enstitüsü, 2008. http://tez.sdu.edu.tr/Tezler/TF01185.pdf.

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10

Miller, Bruce Allen 1953. "Larval abundance and early juvenile recruitment of echinoids, asteroids, and holothuroids on the Oregon coast." Thesis, Thesis (M.S.)--University of Oregon, 1995, 1995. http://hdl.handle.net/1794/10056.

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11

Harvey, Christian. "Analyse chimique des astérosaponines chez Leptastérias polaris et leur rôle dans la réponse défensive de Buccinum undatum /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1985. http://theses.uqac.ca.

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12

García, Cisneros Álex. "Estructura, distribución e historia evolutiva de las poblaciones de estrellas de mar Echinaster sepositus y Coscinasterias tenuispina." Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/398123.

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El conocimiento de la filogeografía, la estructura y la diversidad genética de las poblaciones es importante para entender y evaluar la situación de las diferentes especies, detectar su posible vulnerabilidad y desarrollar estrategias para su gestión. En el Mediterráneo hay un total de 154 especies de equinodermos y, de las cuales 33 son asteroideos. A pesar de tratarse de un grupo muy conocido, hay pocos estudios de filogeografía o genética de poblaciones de estrellas de mar realizados en el Mediterráneo. En esta tesis doctoral se estudian dos especies de asteroideos atlanto-mediterráneos, Ec

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13

Potton, Derrick John. "Neurohormonal control of feeding in the starfish." Thesis, Royal Holloway, University of London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267555.

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14

Dean, Juliette. "Evolutionary diversification of asteroids and ophiuroids [Echinodermata]." Thesis, University of Cambridge, 1999. https://www.repository.cam.ac.uk/handle/1810/251696.

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15

Baeta, Alacio Marc. "Ecology of some keystone invertebrates inhabiting shallow soft bottom communities of the Maresme coast (NW Mediterranean Sea)." Doctoral thesis, Universitat de Barcelona, 2015. http://hdl.handle.net/10803/295965.

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Bivalves living in large aggregations of individuals (reefs or beds), such as mussels, clams, cockles and some high trophic predators such as sea stars, play an essential ecological role in the structure, integrity, stability, and diversity of the biological communities; being usually considered as keystone species. Their disappearance or decline could lead to disproportionate effects in their communities, even affecting the survival of other species. Although keystone species are crucial for maintaining the Earth biodiversity, often their study has not taken enough attention. The main aim of

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16

Tsow, Alexander W. "Starfish a table-centric tool for design derivation /." [Bloomington, Ind.] : Indiana University, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3277963.

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Thesis (Ph.D.)--Indiana University, Dept. of Computer Science, 2007.<br>Source: Dissertation Abstracts International, Volume: 68-09, Section: B, page: 6092. Adviser: Steven D. Johnson. Title from dissertation home page (viewed May 8, 2008).

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17

Vogler, Catherine. "Phylogeography and evolution of the crown-of-thorns starfish Acanthaster planci." Diss., lmu, 2010. http://nbn-resolving.de/urn:nbn:de:bvb:19-133642.

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18

Yun, Sang Seon. "Biochemical, molecular and pharmacological characterisation of SALMFamide neuropeptides from the starfish Marthasterias glacialis." Thesis, Royal Holloway, University of London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313518.

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19

Deaker, Dione. "Resilience of juvenile crown of thorns starfish and the implications for population outbreaks." Thesis, The University of Sydney, 2021. https://hdl.handle.net/2123/28204.

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Population outbreaks of the corallivorous crown of thorns starfish (COTS, Acanthaster sp.) are one of the leading causes of coral loss throughout the Indo-Pacific. Decades of research and significant investment have been directed towards understanding and managing the potential causes of outbreaks with a focus on the larval and adult stages. However, the role of the juvenile stage in population dynamics of COTS is poorly understood. This thesis provides new insights on the biology and ecology of juvenile COTS addressing critical knowledge gaps in their growth, diet, behaviour and physiology.

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20

Cha, Mei-wah. "The ecology of tapes philippinarum (Bivalvia: Veneridae) in Starfish Bay, Hong Kong, and its potential as a biological indicator of coastal pollution /." [Hong Kong : University of Hong Kong], 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B13762370.

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21

Puppo, Studer Agostina Margarita. ""Modulation of calcium signalling by F-actin during maturation and fertilization of starfish oocytes"." Thesis, Open University, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.520773.

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The Calcium ion (Ca2+) is a universal intracellular messenger that is implicated in the regulation of a great variety of intracellular processes. Among them, there is the meiotic maturation of oocytes from several species and their fertilization. The cell model system chosen for the work of this thesis has been the starfish oocytes. They constitute an exceptional model to study the properties of the dynamic release of Ca2+. First, the cells are large and nearly transparent, making them suitable for imaging experiments after microinjection of fluorescent markers. Immature oocytes extracted from

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22

Burdyniuk, Mariia [Verfasser], and Alexander [Akademischer Betreuer] Aulehla. "Actin synchronizes chromosome capture by microtubules in starfish oocyte meiosis / Mariia Burdyniuk ; Betreuer: Alexander Aulehla." Heidelberg : Universitätsbibliothek Heidelberg, 2018. http://d-nb.info/1177251493/34.

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23

Vogler, Catherine [Verfasser], and Gert [Akademischer Betreuer] Wörheide. "Phylogeography and evolution of the crown-of-thorns starfish Acanthaster planci / Catherine Vogler. Betreuer: Gert Wörheide." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2010. http://d-nb.info/1015170579/34.

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24

Bischof, Johanna [Verfasser], and Alexander [Akademischer Betreuer] Aulehla. "The molecular mechanism of surface contraction waves in the starfish oocyte / Johanna Bischof ; Betreuer: Alexander Aulehla." Heidelberg : Universitätsbibliothek Heidelberg, 2016. http://d-nb.info/1180616111/34.

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25

Hannah, Lucie C. "Maturation promoting factor (MPF) in relation to the fertilization and early development of lugworm and starfish oocytes." Thesis, University of Newcastle Upon Tyne, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.423995.

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26

Lim, Dmitri. "CaÂ²âº signals induced by InsPâ‚ƒ and NAADP during maturation and fertilization of starfish oocytes." Thesis, Open University, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.397915.

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27

Lin, Ming. "Identification and functional characterization of relaxin-type and pedal peptide/orcokinin-type neuropeptides in the starfish Asterias rubens." Thesis, Queen Mary, University of London, 2017. http://qmro.qmul.ac.uk/xmlui/handle/123456789/30715.

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Neuropeptides are neuronal signaling molecules that regulate many physiological and behavioural processes in vertebrates and invertebrates. Investigation of neuropeptide signaling in echinoderms (e.g. starfish) can provide insights into the evolution of neuropeptide systems because as deuterostomian invertebrates they occupy an "intermediate" phylogenetic position between vertebrates and protostomian invertebrates. Recent analysis of neural transcriptome data from the starfish Asterias rubens has identified 40 transcripts encoding neuropeptide precursors. Here the expression and function of ne

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28

Cha, Mei-wah, and 車美華. "The ecology of tapes philippinarum (Bivalvia: Veneridae) in Starfish Bay, Hong Kong, and its potential as a biological indicator of coastalpollution." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B31233442.

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29

Carver, Leland Joseph. "A Clockwork Orange: Student Advising and Technology." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou159621692037443.

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30

Rahman, Ridzwan Abdul. "Recovery processes of coral communities following the crown-of-thorns starfish, Acanthaster planci, infestations on the east coast islands of peninsular Malaysia." Thesis, University of Newcastle Upon Tyne, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283767.

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31

Reimer, Corinne L. "The distribution of glycoconjugates in the basal lamina and ECM during esophageal muscle formation in embryos of the starfish Pisaster ochraceus as revealed by lectin hsitochemistry." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/27626.

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Morphogenetic events consist of complex interactions of cells and extracellular materials resulting in the movement and rearrangement of groups of cells and their subsequent differentiation to form organs or organ systems. Although we can predict these movements for any given event, we have little understanding of how morphogenesis is controlled. In the starfish Pisaster ochraceus. assembly of mesenchyme cells on one particular region of the larval gut, the oesophagus, and their subsequent differentiation into muscle is an example of a simple morphogenetic event which is readily accessible for

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32

Lafontaine, Tania. "Ecocriticism and Science Fiction Theory: the Role of Environments and Representations of Post-Nature in Starfish, Maelstrom and Behemoth by Peter Watts and The Road by Cormac McCarthy." Mémoire, Université de Sherbrooke, 2014. http://savoirs.usherbrooke.ca/handle/11143/77.

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(Résumé) Ce mémoire propose une analyse des représentations de la nature et de l’environnement dans deux œuvres de science-fiction: la trilogie des Rifters—de l’auteur canadien Peter Watts—, qui comprend trois romans en quatre tomes: Starfish (1999), Maelstrom (2001), Behemoth B-Max (2004) et Behemoth Seppuku (2005); et le roman The Road (2006) de l’auteur américain Cormac McCarthy. Cette étude vise à théoriser les implications critiques et littéraires de ces représentations. Pour ce faire, un survol de quelques-unes des principales théories de la science-fiction précède l’analyse des romans.

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33

Nance, David. "Settlement of the scallops Pecten maximus (L.) and Aequipecten opercularis (L.) and their predators : the starfish Asterias rubens L. and the crabs Necora puber (L.) and the Cancer pagurus L. on the west coast of Scotland." Thesis, University of Aberdeen, 2000. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=124328.

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34

Zhuang, Zhenpeng. "Comparative Physiology of Calcium Transport in Crustacean (Homarus Americanus) and Echinoderm (Helianthoides Pycnopodia) Gastrointestinal Epithelia." Thesis, 1996. http://hdl.handle.net/10125/10564.

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35

Navarrete, Sergio A. "Effects of interactions between predators, variable predation regimes, and species body size on rocky intertidal communities : comparative and experimental approaches /." 1994. http://hdl.handle.net/1957/14234.

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36

Oliveira, Bárbara Xavier Louro de. "Dynamics of circulating coelomocytes during starfish regeneration." Master's thesis, 2016. http://hdl.handle.net/10451/25862.

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Tese de mestrado, Biologia Molecular e Genética, Universidade de Lisboa, Faculdade de Ciências, 2016<br>A regeneração é um fenómeno regulado com implicações biológicas variadas. No Reino Animal, há diversos exemplos deste processo que envolvem a reparação de tecidos, órgãos e membros. No entanto, a regeneração nos vertebrados é limitada na medida em que não se observa a regeneração completa de todos os órgãos. Nos invertebrados, existe uma maior flexibilidade em termos de reparação e até mesmo de substituição de tecidos e/ou órgãos. Após predação ou autotomia, alguns animais são capazes de sub

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37

Pinto, Joana Borrego. "The Mechanism of Centriole Inactivation in Starfish Oocytes." Doctoral thesis, 2015. http://hdl.handle.net/10362/17416.

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The centrosome is the major organizing center in a cell, composed by two centrioles, one mother and one daughter, and surrounded by a pericentriolar material, which nucleates microtubules. Centriole duplication and segregation is tightly coupled to cell cycle, which guarantees that centriole number is maintained over generations. During the somatic cell cycle, a pair of centrioles duplicates, after which each daughter cell receives a pair, forming a closed cycle. However, during fertilization, if both cells were to contribute with their pair of centrioles, gamete fusion would result in

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38

Zeng, Jyun-Ze, and 曾鈞澤. "Study of Starfish Instruction Set Usage for H.264." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/10469655682258980566.

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碩士<br>國立清華大學<br>資訊工程學系<br>96<br>As the multimedia technology development, there are more and more video/audio standards. In order to encode or decode different video/audio standards in one system, DSP (Digital Signal Processor) is a good choice to do video/audio process. The speed of DSP is influenced much by the hardware architecture and the efficiency of compiling instructions, and both of them are decided when defining instruction set. In this paper, we profile the instruction usage with different compilers to analyze why some instructions are nearly used in H.264. We use the instruction

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39

CHU, SHIH-CHIEN, and 朱詩倩. "A Creative Discourse on the Documentary Film Starfish Girl." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/7nc35m.

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碩士<br>國立臺灣藝術大學<br>電影學系<br>106<br>‘I can’t be with you all your life. But I love you with all my life.’ She said. It is hoped that through Starfish Girl, we would get to see the beautiful experiences and the value of life of a unique individual. One should never be labelled, as the labels tend to blur one’s true nature. Gradually stripping off the labels attached to the protagonist, Starfish Girl shows the audience the process of understanding a person from a fresh point of view. Every creation is a result of a journey of awakening in mind and body. The story of a family is often incomprehens

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40

Rivera, Posada Jairo A. "Pathogenesis of crown-of-thorns starfish (Acanthaster planci L)." Thesis, 2012. https://researchonline.jcu.edu.au/23660/1/01front.pdf.

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Outbreaks of the crown-of-thorns starfish, Acanthaster planci (L.), represent one of the most significant biological disturbances on coral reefs, contributing greatly to widespread habitat degradation across the Indo-Pacific. While the cause(s) of outbreaks are still being debated, an equally important question is what causes population declines at the end of outbreaks. Like all echinoderms, A. planci appear to be susceptible to disease, which may explain sudden declines in abundance that have been observed in the wild, as well as providing a unique opportunity to potentially control starfish

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41

Wen-Li, Tang. "A Fast, and Flexible Simulation Framework for Starfish DSP Architecture." 2006. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0016-1303200709292475.

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42

Marques, Vera Cristina J. "Impact of seawater acidification in starfish regeneration: a proteomic approach." Master's thesis, 2015. http://hdl.handle.net/10451/22554.

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Tese de mestrado, Biologia Molecular e Genética, Universidade de Lisboa, Faculdade de Ciências, 2015<br>Since the start of the industrial revolution (XVIII century), atmospheric levels of carbon dioxide (CO2) have been rising at a far greater rate than previously experienced, increasing CO2 dissolved in seawater. This process is recognized as ocean acidification and can severely damage calcifying organisms. Since echinoderms have an endoskeleton composed of magnesium calcite, they are predicted to be a sensitive taxa affected by this acidic environment. Taking into account that some species of

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43

Keesing, John Kenneth. "Feeding biology of the crown-of-thorns starfish, Acanthaster planci (Linnaeus)." Thesis, 1990. https://researchonline.jcu.edu.au/24112/1/01front.pdf.

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Field and laboratory studies were undertaken to examine aspects of the feeding biology of Acanthaster planci (Linnaeus) in the central region of the Great Barrier Reef. Day and night surveys were carried out to examine feeding periodicity, and measurements of feeding and movement rates were made by monitoring tagged animals. Diet and feeding preferences were assessed in the field and laboratory studies were undertaken to assess the importance of nutritional quality of food in governing feeding preferences. Small starfish feed nocturnally and remain cryptic during the day. Large starfish are

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44

Lin, Shin-Jung, and 林欣榮. "Studies on Toxins and Their Sources of Torafugu, Ggoby and Starfish in Taiwan." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/15853684082864384826.

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博士<br>國立海洋大學<br>食品科學系<br>87<br>ABSTRACT In the recent decade, food poisoning incidents due to marine toxins such as tetrodotoxin (TTX) and paralytic shellfish poison (PSP) were sporadically occurred in Taiwan. The causative fish and shellfish of these food poisoning incidents were mainly puffer fish, followed by purple clam, gastropod Nassariidae and goby fish. In order to have a clearly understanding of the toxicity, toxin and toxin source of those toxic fish and shellfish, the toxicological studies of cultured puffer Takifugu rubripes, goby fish and starfish Astropecten scoparius,

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45

Burgoyne, David L. "Chemical studies of metabolites from Pacific Ocean marine sponges and the starfish Dermasterias imbricata." Thesis, 1992. http://hdl.handle.net/2429/2251.

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A study of biologically active extracts of several Pacific Ocean marine sponges has led to the isolation of eight new and nine previously known natural products. The structures of the compounds were determined by a combination of spectroscopic data analysis and chemical interconversions. In addition, the partial synthesis of imbricatine (3), a cytotoxic metabolite of the starfish Dermasterias imbricata, was accomplished. Crude extracts from the sponge Petrosia contignata collected in Papua New Guinea showed potent cytotoxicity against the murine leukemia L1210 cell line. These extracts yielded

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Maghsoodi, Bita. "The role of two extracellular matrix glycoproteins in the development of the starfish Pisaster ochraceus." Thesis, 2005. http://hdl.handle.net/2429/17198.

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Cell-extracellular matrix (ECM) interactions are crucial for the development of the embryos. ECM provides an environment through which cells can migrate, and a substratum for their adhesion and guidance. In this study, cell-ECM interactions were investigated in early morphogenesis of the starfish Pisaster ochraceus. Two monoclonal antibodies (HL-1 and PM-2) generated against ECM components of the hyaline layer and the blastocoel, respectively, were used to identify, localize and characterize these components. Immunocytochemical studies using HL-1 antibody shows that HL-1 epitope is syn

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47

Cowan, Zara-Louise. "Predation on the early life stages of the crown-of-thorns starfish (Acanthaster cf. solaris)." Thesis, 2017. https://researchonline.jcu.edu.au/51582/1/51582-cowan-2017-thesis.pdf.

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Population outbreaks of crown-of-thorns starfish (CoTS, Acanthaster spp.) represent one of the most significant biological disturbances on tropical reefs, contributing to widespread and significant coral depletion throughout the Indo-Pacific. On the Great Barrier Reef, for example, CoTS outbreaks account for 42% of recorded coral loss from 1985-2012. Despite their importance, the demography and biology of CoTS is poorly understood, especially in terms of understanding the potential causes(s) of population outbreaks. For effective management of outbreaks, it is critical to understand the factor

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48

Okaji, Ken. "Feeding ecology in the early life stages of the crown-of-thorns starfish, Acanthaster planci (L.)." Thesis, 1996. https://researchonline.jcu.edu.au/27235/1/27235_Okaji_1996_thesis.pdf.

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Evaluating factors affecting survivorship during early life stages of the crown-of-thorns starfish, Acanthaster planci (L.), is essential to understand mechanisms of the population outbreaks. The objective of this study was to determine whether food availability is a crucial factor controlling the growth, development and survival of the larvae and the juveniles of A. planci. This was done through field and laboratory studies on their feeding ecology. Larvae were reared in an in situ rearing apparatus to assess the relative importance of different natural foods. This apparatus was designed t

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49

Caballes, Ciemon Frank. "Environmental influences on the reproductive biology and early life history of the crown-of-thorns starfish." Thesis, 2017. https://researchonline.jcu.edu.au/51628/1/51628-caballes-2017-thesis.pdf.

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Population outbreaks of the coral-eating crown-of-thorns starfish, Acanthaster spp., often result in extensive coral mortality with highly extended recovery times, thereby contributing significantly to sustained and ongoing declines in coral cover across the Indo-Pacific. Long-term or permanent solutions depend on filling crucial gaps in our knowledge of the biology of crown-of-thorns starfish, particularly its reproductive biology and early life history, to understand the initiation and spread of outbreaks. Populations of crown-of-thorns starfish are typically predisposed to major fluctuation

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Lee, Chi-Chiu, and 李志昭. "Studies on Bioactive Effects of Spine Venom and Asterosaponin Extract from Crown-of-Thorns Starfish (Acanthaster planci) in Taiwan." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/39281713512224043013.

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博士<br>國立臺灣海洋大學<br>食品科學系<br>103<br>The crown-of-thorns starfish (Acanthaster planci) is the venomous starfish as well as a destroyer of coral reefs. The crown-of-thorns starfish A. planci destroys coral reefs and has been involved in significant events, such as the crown-of-thorns starfish abnormal outbreaks. The back of A. planci is covered with many sharp spines. Previous studies showed that the crude toxin extracted from the spines exhibits the following diverse biological activities: mouse lethality, hemolytic activity, capillary permeability increasing activity, edema-forming activity, pho

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