Se connecter

Bibliographies thématiques / Echinoida Echinoida Echinoida / Thèses

Pour voir les autres types de publications sur ce sujet consultez le lien suivant : Echinoida Echinoida Echinoida.

Thèses sur le sujet « Echinoida Echinoida Echinoida »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 16 février 2022

Créez une référence correcte selon les styles APA, MLA, Chicago, Harvard et plusieurs autres

Choisissez une source :

Consultez les 50 meilleures thèses pour votre recherche sur le sujet « Echinoida Echinoida Echinoida ».

À côté de chaque source dans la liste de références il y a un bouton « Ajouter à la bibliographie ». Cliquez sur ce bouton, et nous générerons automatiquement la référence bibliographique pour la source choisie selon votre style de citation préféré : APA, MLA, Harvard, Vancouver, Chicago, etc.

Vous pouvez aussi télécharger le texte intégral de la publication scolaire au format pdf et consulter son résumé en ligne lorsque ces informations sont inclues dans les métadonnées.

Parcourez les thèses sur diverses disciplines et organisez correctement votre bibliographie.

1

Sweijd, Neville Anthony. "The digestive mechanisms of an intertidal grazer, the sea urchin Parechinus angulosus." Thesis, Rhodes University, 1991. http://hdl.handle.net/10962/d1005346.

Texte intégral

Résumé :

Echinoids are important grazers in the near-shore ecosystem and can significantly effect their ecology. The sea urchin Parechinus angulosus occurs inter- and subtidally along the southern African coast. Within this range it consumes an extremely wide variety of algae. Since algal cell walls have an almost species specific chemical composition, the question arises as to how it can digest the algae that it consumes. In order to investigate the digestive mechanisms employed by P. angulosus, an ultrastructural study of the gut was undertaken to characterize the tissue and identify functional regio

Styles APA, Harvard, Vancouver, ISO, etc.

2

Chandra, Shweta. "Roles of immunoglobulin domain proteins echinoid and friend-of-echinoid in drosophila neurogenesis." The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1083161922.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

3

Jeffery, Charlotte Hannah. "Echinoid evolution across the Cretaceous-Tertiary boundary." Thesis, Imperial College London, 1997. http://hdl.handle.net/10044/1/8292.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

4

Squire, Gareth. "The biogeography of the Indo-West Pacific echinoids." Thesis, Queen Mary, University of London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391824.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

5

Miner, Benjamin G. "Evolution of phenotypic plasticity insights from echinoid larvae /." Connect to this title online, 2003. http://purl.fcla.edu/fcla/etd/UFE0001450.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

6

Lockhart, Susanne J. "Molecular evolution, phylogenetics, and parasitism in Antarctic cidaroid echinoids /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2006. http://uclibs.org/PID/11984.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

7

Barras, Colin George. "The origin and early diversification of the irregular echinoids." Thesis, University of Birmingham, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.433739.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

8

Farrar, Lyndsey. "Characterizing Traces of Predation and Parasitism on Fossil Echinoids." Miami University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=miami1556793580479455.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

9

Wangensteen, Fuentes Owen S. "Biology and phylogeography of the black sea urchin Arbacia lixula (Echinoidea: Arbacioida) / Biología y filogeografía del erizo de mar negro Arbacia lixula (Echinoidea: Arbacioida)." Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/120483.

Texte intégral

Résumé :

The black sea urchin Arbacia lixula (Linnaeus, 1758) is one of the most abundant sea urchins in the Mediterranean. Despite its increasingly recognized ecological significance, including the ability to create and maintain barren zones of decreased diversity and productivity, it has been traditionally less studied than the Atlanto-Mediterranean edible sea urchin Paracentrotus lividus. This thesis is aimed at studying the factors affecting the phylogeography, trophic ecology and biology of the black sea urchin A. lixula in Mediterranean ecosystems, in order to assess its ecological role and its

Styles APA, Harvard, Vancouver, ISO, etc.

10

Robertson-Andersson, Deborah. "The echinoid Parechinus angulosus and its association with other invertebrates." Bachelor's thesis, University of Cape Town, 2000. http://hdl.handle.net/11427/26024.

Texte intégral

Résumé :

Echinoids are recognized as important components of temperate kelp forests because of the impact that they have by grazing. The provision of shelter by some echinoid species for both juvenile conspecifics and for other species of echinoids has been widely documented. The behaviour is thought to be important in the survival of these species. The role of echinoids as protective "nurseries" for several types of marine animals has also been suggested. Adult echinoids are supported 1 - 2 cm above the substrate by the oral spines, this leaves a gap under the echinoid where other organisms can shelte

Styles APA, Harvard, Vancouver, ISO, etc.

11

Mac, Cord Fábio Sá. "Estratégia reprodutiva e gametogênese de Cassidulus mitis Krau, 1954 (Echinodermata : Echinoidea)." Universidade Federal do Rio de Janeiro, 2001. http://hdl.handle.net/11422/3504.

Texte intégral

Résumé :

Submitted by Alberto Vieira (martins_vieira@ibest.com.br) on 2018-01-18T21:48:47Z No. of bitstreams: 1 541875.pdf: 4255763 bytes, checksum: a22edc985359ae7ee17955cf71b2fdca (MD5)<br>Made available in DSpace on 2018-01-18T21:48:47Z (GMT). No. of bitstreams: 1 541875.pdf: 4255763 bytes, checksum: a22edc985359ae7ee17955cf71b2fdca (MD5) Previous issue date: 2001-04-11<br>CAPES<br>A ordem Cassiduloida inclui todos os ouriços irregulares que apresentam petalóides, filódios e borrainas ( ou flósculo) (KIER, 1962). Eles possuem, ainda, espinhos curtos e um periprocto disposto posteriormente (MOOI,

Styles APA, Harvard, Vancouver, ISO, etc.

12

Souto, Camila. "Sistemática da família Cassidulidae (Echinoidea: Cassiduloida) e considerações taxonômicas e paleobiogeográficas." reponame:Repositório Institucional da UFBA, 2013. http://www.repositorio.ufba.br/ri/handle/ri/12823.

Texte intégral

Résumé :

Submitted by Johnsson Rodrigo (r.johnsson@gmail.com) on 2013-08-29T04:57:23Z No. of bitstreams: 1 CAMILA.pdf: 4295274 bytes, checksum: 3b6ba55df2f36928304a61d910553c85 (MD5)<br>Approved for entry into archive by Alda Lima da Silva(sivalda@ufba.br) on 2013-09-03T18:19:01Z (GMT) No. of bitstreams: 1 CAMILA.pdf: 4295274 bytes, checksum: 3b6ba55df2f36928304a61d910553c85 (MD5)<br>Made available in DSpace on 2013-09-03T18:19:01Z (GMT). No. of bitstreams: 1 CAMILA.pdf: 4295274 bytes, checksum: 3b6ba55df2f36928304a61d910553c85 (MD5)<br>FAPESB<br>Os cassidulóides têm proporcionado grandes desafios aos

Styles APA, Harvard, Vancouver, ISO, etc.

13

Hétérier, Vincent. "Biodiversité et signification écologique des ectosymbiontes des Cidaridae antarctiques (Echinodermata : Echinoidea)." Dijon, 2007. http://www.theses.fr/2007DIJOS012.

Texte intégral

Résumé :

Les oursins cidaridés caractérisés par l’absence d’épithélium sur leurs piquants primaires, procurent une grande diversité de substrats pour les organismes sessiles, particulièrement en Antarctique. L’inventaire des espèces symbiotiques montre une dominance nette des spongiaires et des bryozoaires et que la diversité des ectosymbiotes fluctue en fonction des espèces hôtes et de la profondeur. Par contre, la distance entre les stations n’influence pas la structure et la composition des communautés symbiotiques. Une analyse morphologique des piquants a été réalisée afin de connaître l’influence

Styles APA, Harvard, Vancouver, ISO, etc.

14

Heterier, Vincent. "Biodiversité et signification écologique des ectosymbiontes des Cidaridae antarctiques (Echinodermata :Echinoidea)." Doctoral thesis, Universite Libre de Bruxelles, 2007. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210644.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

15

Poddubiuk, Robert Henry. "Sedimentology, echinoid palaeoecology and palaeobiogeography of Oligo-Miocene Eastern Caribbean limestones." Thesis, Royal Holloway, University of London, 1987. http://repository.royalholloway.ac.uk/items/0443b1ea-4dd5-4573-af4c-01f218b7154d/1/.

Texte intégral

Résumé :

The Upper Oligocene Antigua Formation comprises a rapidly deposited sequence of limestones developed in an oceanic-arc setting immediately before cessation of subaerial volcanism. Ten sedimentary facies are recognized within it, ranging in depositional environment from shallow sublittoral to deep bank-slope. Their present outcrop patterns largely reflect original lateral facies variation across the ancient bank margin. The latter was mainly depositional in character, with bank-top often passing rather gradually into the upper bank-slope. Although a similar range and number of sedimentary facie

Styles APA, Harvard, Vancouver, ISO, etc.

16

Richardson, Cristina M. "Factors leading to cannibalism in Lytechinus variegatus (Echinodermata: Echinoidia) in the laboratory." Birmingham, Ala. : University of Alabama at Birmingham, 2010. https://www.mhsl.uab.edu/dt/2010m/richardson.pdf.

Texte intégral

Résumé :

Thesis (M.S.)--University of Alabama at Birmingham, 2010.<br>Title from PDF t.p. (viewed July 20, 2010). Additional advisors: Robert U. Fischer, John M. Lawrence, Ken B. Marion. Includes bibliographical references (p. 55-59).

Styles APA, Harvard, Vancouver, ISO, etc.

17

Cunningham, Adele. "The reproductive cycle of Lytechinus variegatus (Echinodermata: Echinoidea) from the Florida panhandle." Birmingham, Ala. : University of Alabama at Birmingham, 2008. https://www.mhsl.uab.edu/dt/2008d/cunningham.pdf.

Texte intégral

Résumé :

Thesis (Ph. D.)--University of Alabama at Birmingham, 2008.<br>Additional advisors: Andy Gannon, John Lawrence, James McClintock, Thane Wibbels. Description based on contents viewed May 29, 2008; title from title screen. Includes bibliographical references.

Styles APA, Harvard, Vancouver, ISO, etc.

18

Chiu, Sein-tuck, and 趙善德. "Aspects of the ecology of Anthocidaris crassispina (echinodermata: echinoidea) in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1987. http://hub.hku.hk/bib/B31230805.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

19

Chiu, Sein-tuck. "Aspects of the ecology of Anthocidaris crassispina (echinodermata: echinoidea) in Hong Kong /." [Hong Kong : University of Hong Kong], 1987. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1233571X.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

20

Rendina, Francesco. "Effects of acute temperature increase on performance and survival of Caribbean echinoids." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10050/.

Texte intégral

Résumé :

Climate change is occurring at a faster rate than in the past, with an expected increase of mean sea surface temperatures up to 4.8°C by the end of this century. The actual capabilities of marine invertebrates to adapt to these rapid changes has still to be understood. Adult echinoids play a crucial role in the tropical ecosystems where they live. Despite their role, few studies about the effect of temperature increase on their viability have been reported in literature. This thesis work reports a first systematic study on several Caribbean echinoids about their tolerance to temperature rise i

Styles APA, Harvard, Vancouver, ISO, etc.

21

Lapic, Whitney Alexandra. "An Asynchronous Mesozoic Marine Revolution: Drilling Versus Durophagy in Post-Paleozoic Echinoids." Miami University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=miami1619187876334553.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

22

Madon-Senez, Céline. "Disparité morphologique et architecturale des schizasteridae incubants (Echinoidea, Spatangoïda) des régions australes." Dijon, 1998. http://www.theses.fr/1998DIJOS065.

Texte intégral

Résumé :

Cette thèse constitue une monographie détaillée de 27 espèces d'échinidés endémiques aux régions antarctique et subantarctique. Ces oursins sont repartis dans les genres incubants actuels Abatus, Amphipneustes, Tripylus et Brachysternaster (famille des Schizasteridae). Ils présentent un fort dimorphisme sexuel : les femelles ont développé des poches incubatrices dans lesquelles les juvéniles terminent leur développement. L'objectif majeur de cette thèse a consisté à inventorier la disparité morphologique et architecturale chez les 27 espèces incubantes (échantillonnage d'environ 500 oursins).

Styles APA, Harvard, Vancouver, ISO, etc.

23

Perricone, Valentina. "Temperature effects on larval growth and survival in five species of Caribbean Echinoids." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/10049/.

Texte intégral

Résumé :

Under the global change scenario, the possible effects of ocean warming were investigated on the larvae of five species of Caribbean Echinoids: Echinometra lucunter, Echinometra viridis, Clypeaster rosaceus, Tripneustes ventricosus and Lytechinus williamsi. Their thermal tolerance was evaluated rearing them for six days under different temperature regimes (26, 28, 30, 32, 34, 36°C). The larval sensitivity to the treatments was evaluated on the base of survival and growth. The rearing at higher temperatures has revealed a great suffering state of the larvae by inducing both reduction of live l

Styles APA, Harvard, Vancouver, ISO, etc.

24

Campos-Creasey, Lucia de Siqueira. "A study of the feeding biology of deep-sea echinoids from the North Atlantic." Thesis, University of Southampton, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316314.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

25

Brockington, Simon. "The seasonal ecology and physiology of Sterechinus neumayeri (Echinodermata: Echinoidea) at Adelaide Island, Antarctica." Thesis, Open University, 2001. http://oro.open.ac.uk/58168/.

Texte intégral

Résumé :

This study used an energy budget approach to record changes in the biology of the Antarctic sea urchin Sterechinus neumayeri in relation to environmental seasonality (i. e changes in chlorophyll standing stock and seawater temperature) over an unbroken two year period. Chlorophyll standing stock showed a brief but intense bloom each austral summer which contrasted with prolonged winter minima. Benthic chlorophyll standing stock, as recorded from sediment cores showed a similar cycle. Seawater temperature varied between -1.8°C and +1.2°C. Feeding activity was highly seasonal and closely correla

Styles APA, Harvard, Vancouver, ISO, etc.

26

Brosseau, Olivier. "Phylogénie moléculaire et analyse morphométrique des pédicellaires et du test des Cidaroida (Echinodermata, Echinoidea)." Paris, Muséum national d'histoire naturelle, 2005. http://www.theses.fr/2005MNHN0023.

Texte intégral

Résumé :

La dernière révision des Cidaroida (Echinodermata, Echinoidea) date du début du 20e siècle (Mortensen, 1928). Mortensen y développe l'utilisation des pédicellaires à tous les niveaux de classification. Mais ce groupe reste peu étudié et est reconnu pour les difficultés de classification qu'il présente (Smith et Whright, 1989). L'objectif de cette thèse est donc de dégager des méthodes et des axes d'exploration pour une meilleure compréhension de la systématique et de l'histoire évolutive des Cidaroida. Les travaux se divisent en trois parties : 1- une analyse de la variabilité et de l'ontogenè

Styles APA, Harvard, Vancouver, ISO, etc.

27

Williamson, Lauren Elizabeth. "A Morphometric Analysis of the Highly Variable Clypeasteroid, Periarchus lyelli." Wright State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=wright1247181599.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

28

Rhora, Jennifer. "The effect of chromium vi on the production and behavior of lytechinus variegatus (echinodermata echinoidea) /." [Tampa, Fla.] : University of South Florida, 2005. http://purl.fcla.edu/fcla/etd/SFE0001118.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

29

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.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

30

Rolet, Gauthier. "Structure et rôle du caecum gastrique des échinides détritivores: étude particulière d'Echinocardium cordatum, Echinoidea: Spatangoida." Doctoral thesis, Universite Libre de Bruxelles, 2012. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209654.

Texte intégral

Résumé :

Les spatangoïdes (échinides détritivores fouisseurs) possèdent un volumineux caecum qui s’ouvre au début de l’estomac, le caecum gastrique. Ce caecum est ‘distendu’ :il est toujours gorgé d’un liquide incolore dont la nature est inconnue. Les sédiments ingérés par ces oursins et qui occupent le reste du tube digestif, ne pénètrent jamais dans le caecum. La fonction du caecum gastrique n’est pas claire: il sécréterait des enzymes dans l’estomac, serait un site d’absorption, ou encore abriterait une microflore cellulolytique. En prenant pour modèle l’un des échinides fouisseurs les plus étudiés,

Styles APA, Harvard, Vancouver, ISO, etc.

31

Sciani, Juliana Mozer. "Estudos toxinológicos do ouriço-do-mar Echinometra lucunter." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/87/87131/tde-24092012-081004/.

Texte intégral

Résumé :

Echinometra lucunter, o ouriço-do-mar responsável por 50% dos acidentes por animais marinhos, causa inflamação e dor quando os espinhos entram na pele, efeitos atribuídos ao trauma mecânico, além de acidentes por ingestão de ovas. O líquido celômico e o extrato aquoso de espinhos foram fracionados e purificados até a obtenção de moléculas puras, que foram testadas em modelos de inflamação. Foram feitas análises histológicas do espinho e de atividade enzimática do extrato de espinho. Foi isolada uma molécula do espinho e um peptídeo do líquido celômico, que causaram inflamação e dor. Foi verifi

Styles APA, Harvard, Vancouver, ISO, etc.

32

Vellutini, Bruno Cossermelli. "Desenvolvimento e ciclo reprodutivo da bolacha-do-mar Clypeaster subdepressus (Echinodermata: Echinoidea) de São Sebastião, SP." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/41/41133/tde-17022009-105310/.

Texte intégral

Résumé :

Desenvolvimento e ciclo reprodutivo da bolacha-do-mar Clypeaster subdepressus (Echinodermata: Echinoidea) de São Sebastião, SP Resumo: Este trabalho descreve o desenvolvimento embrionário, larval e juvenil da bolacha-do-mar Clypeaster subdepressus sob microscopia de luz e eletrônica de varredura. Analisamos também o ciclo reprodutivo da espécie a partir de cortes histológicos das gônadas. A evolução morfológica da ordem Clypeasteroida (bolachas-do-mar), cerca de 55 milhões de anos atrás, esteve relacionada à ocupação de fundos arenosos. Dados morfológicos recentes e fósseis sugerem que durante

Styles APA, Harvard, Vancouver, ISO, etc.

33

José, de Barros Lima Eduardo. "Dinâmica populacional de Echinometra lucunter (Linnaeus, 1758) (Echinodermata: Echinoidea) na praia de Muro Alto, Ipojuca, Pernambuco." Universidade Federal de Pernambuco, 2006. https://repositorio.ufpe.br/handle/123456789/673.

Texte intégral

Résumé :

Made available in DSpace on 2014-06-12T15:04:38Z (GMT). No. of bitstreams: 2 arquivo1760_1.pdf: 1915957 bytes, checksum: cbbd1b2ce717b01aa83b6b3598fea4de (MD5) license.txt: 1748 bytes, checksum: 8a4605be74aa9ea9d79846c1fba20a33 (MD5) Previous issue date: 2006<br>O equinóide regular Echinometra lucunter é uma espécie comestível e comum ao longo de toda a costa brasileira, sendo um importante indicador do limite entre o médio e o infralitoral, com participação ativa como agente bioerosivo dos recifes. Este trabalho teve por objetivo investigar a dinâmica populacional numa poça de maré, na prai

Styles APA, Harvard, Vancouver, ISO, etc.

34

De, Ridder Chantal. "La nutrition chez les échinodermes psammivores. Etude particulière du spatangide fouisseur, Echinocardium cordatum(Pennant)(Echinodermata, Echinoidea)." Doctoral thesis, Universite Libre de Bruxelles, 1986. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/213551.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

35

Varotto, Ricardo Silva. "Modelagem matemática do crescimento somático e mortalidade do ouriço-do-mar Cassidulus mitis Krau, 1954 (Echinoidea : Cassidulidae)." Universidade Federal do Rio de Janeiro, 2001. http://hdl.handle.net/11422/3513.

Texte intégral

Résumé :

Submitted by Alberto Vieira (martins_vieira@ibest.com.br) on 2018-01-19T13:47:16Z No. of bitstreams: 1 541855.pdf: 3191717 bytes, checksum: 910c30f23e3c29b3f77da2c853160065 (MD5)<br>Made available in DSpace on 2018-01-19T13:47:16Z (GMT). No. of bitstreams: 1 541855.pdf: 3191717 bytes, checksum: 910c30f23e3c29b3f77da2c853160065 (MD5) Previous issue date: 2001-03-23<br>CAPES<br>Cassidulus mitis Krau, 1954 é uma espécie de ouriços-do-mar de distribuição geográfica muito restrita sendo somente encontrados em algumas áreas no estado do Rio de Janeiro. A única população densa conhecida desta esp

Styles APA, Harvard, Vancouver, ISO, etc.

36

Egea, Emilie. "Histoire évolutive, structures génétique, morphologique et écologique comparées dans un complexe d'espèces jumelles : Echinocardium cordatum (Echinoidea, Irregularia)." Thesis, Aix-Marseille 2, 2011. http://www.theses.fr/2011AIX22017.

Texte intégral

Résumé :

Echinocardium cordatum (Pennant 1777) oursin irrégulier abondant des zones côtières tempérées a longtemps été considéré comme une espèce cosmopolite dont la vaste aire de distribution était la conséquence directe des capacités de dispersion de sa larve planctotrophe. L’étude couplée des caractéristiques génétiques [génomes mitochondrial et nucléaire (introns+microsatellites)], morphologiques (étude basée sur 20 indices morphométriques) et écologiques (distribution géographique à petite ou grande échelle, et cycle de maturation gonadique) a révélé la présence d’un complexe d’espèces jumelles do

Styles APA, Harvard, Vancouver, ISO, etc.

37

Grun, Tobias [Verfasser], and James H. [Akademischer Betreuer] Nebelsick. "Structural mechanics of echinoid skeletons as candidate systems for biomimetic research / Tobias Grun ; Betreuer: James H. Nebelsick." Tübingen : Universitätsbibliothek Tübingen, 2018. http://d-nb.info/1199268542/34.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

38

De, Amaral Pereira Nunes Cristina. "Reproduction and Development of the Spatangoid Echinoid Echinocardium Cordatum (Pennant, 1777) (Echinodermata) in the Southwestern North Sea." Doctoral thesis, Universite Libre de Bruxelles, 2005. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210973.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

39

Grun, Tobias B. [Verfasser], and James H. [Akademischer Betreuer] Nebelsick. "Structural mechanics of echinoid skeletons as candidate systems for biomimetic research / Tobias Grun ; Betreuer: James H. Nebelsick." Tübingen : Universitätsbibliothek Tübingen, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:21-dspace-834484.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

40

Tavares, Yara Aparecida Garcia. "Ecologia populacional de Mellita quinquiesperforata Leske, 1778 (Echinodermata: echinoidea: clyperasteroida) em diferentes praias do litoral do Parana, Brasil." reponame:Repositório Institucional da UFPR, 1996. http://hdl.handle.net/1884/28222.

Texte intégral

Résumé :

Orientador: Carlos Alberto Borzone<br>Dissertação (mestrado)- Universidade Federal do Parana, Setor de Ciencias Biologicas<br>Resumo: O equinóide irregular Mellita quinquiesperforata habita a região infralitoral de praias arenosas com ocorrência ao longo de toda a costa tropical e subtropical Atlântica, das Antilhas até o sul do Brasil. O presente estudo teve como objetivo analisar a distribuição espaço-temporal de M. quinquiesperforata e suas relações com as características ambientais de praias da costa paranaense, além de abordar aspectos da dinâmica populacional e biologia reprodutiva. Popu

Styles APA, Harvard, Vancouver, ISO, etc.

41

Laplante, Caroline. "Tension at the leading edge: differential expression of the cell adhesion molecule Echinoid controls epithelial morphogenesis in «Drosophila»." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21930.

Texte intégral

Résumé :

Epithelial morphogenesis requires cell shape changes coordinated by local modulations of the actin cytoskeleton. We identify a role for Echinoid (Ed), a homophilic binding cell adhesion molecule, in the generation of contractile actomyosin cables that drive epithelial morphogenesis in both the Drosophila ovarian follicular epithelium and embryo. Specifically, we demonstrate that such contractile structures form at the interface of cells expressing and lacking Ed. Analysis of such interfaces generated by ed mutant follicle clones indicates that the juxtaposition of wild type and ed mutant cel

Styles APA, Harvard, Vancouver, ISO, etc.

42

Guimarães, Caren Daiane Mouzinho. "Identificação e distribuição das espécies de Mecaster (Echinodermata: Echinoidea) do cretáceo da bacia de Sergipe-Alagoas, Nordeste do Brasil." Universidade Federal de Sergipe, 2016. https://ri.ufs.br/handle/riufs/5402.

Texte intégral

Résumé :

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>In this work were analyzed the Spatangoids Echinoids of the species Mecaster batnensis (Coquand, 1862), Mecaster fourneli (Agassiz & Desor, 1847) and Mecaster africanus (Coquand, 1862) from the Sergipe sub-basin of the Fundação Paleontológica Phoenix collection. Among the specimens studied, there were found exemplars of the species Mecaster texanus (Roemer, 1849), that were recorded for the first time in the Sergipe Cretaceous. It was observed that the species M. batnensis and M. africanus, distributed from the Cenom

Styles APA, Harvard, Vancouver, ISO, etc.

43

Villier, Loïc. "Evolution du genre Heteraster dans le contexte de la radiation de l'ordre des Spatangoida (Echinoidea, Echinodermata) au Crétacé inférieur." Dijon, 2001. http://www.theses.fr/2001DIJOS059.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

44

Wolcott, Ray. "A Comparison of Aeration Methods and Diets for Larval Culture of the Edible Sea Urchin, Tripneustes ventricosus (Echinodermata: Echinoidea)." NSUWorks, 2002. http://nsuworks.nova.edu/occ_stuetd/293.

Texte intégral

Résumé :

Tripneustes ventricosus (Lamarck 1816), a major near-shore herbivore in the Atlantic and Caribbean, has been harvested for human consumption in the Caribbean for centuries (Lawrence 2001a, b), occasionally at rates that exceed sustainability (Smith & Berkes 1991), and is among the species having economic importance (Lawrence & Bazhin 1998). Tripneustes ventricosus has recently been observed on the forereef controlling macroalgal growth in the absence of Diadema antillarum (Woodley 1999, Aronson & Precht 2000, Haley & Solandt 2001). Large-scale culturing has the potential to produce T. ventrico

Styles APA, Harvard, Vancouver, ISO, etc.

45

Pelikan, Kellie C. "The Effects of Petroleum Pollutants on Sea Urchins Reproduction and Development." NSUWorks, 2015. http://nsuworks.nova.edu/occ_stuetd/401.

Texte intégral

Résumé :

Disturbances, such as mass pollution events, threaten the health of vulnerable ecosystems. Recent media attention has focused on the devastating mass oil spills, but daily petroleum input from recreational and commercial ship bilge release has been overlooked. The focus of this study was the effect of petroleum products found in bilge water on fertilization success and larval viability of two sea urchin species, Lytechinus variegatus and Eucidaris tribuloides. Unlike other pollutant studies that have focused on sperm characteristics and concentrations, I chose to examine how egg integrity was

Styles APA, Harvard, Vancouver, ISO, etc.

46

Heyland, Andreas. "Thyroid hormone-like function in echinoids a modular signaling system coopted for larval development and critical for life history evolution /." Connect to this title online, 2004. http://purl.fcla.edu/fcla/etd/UFE0004542.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

47

Rakic, Dragana. "Regulation of expression of the cell adhesion molecule Echinoid and its effect on the actin cytoskeleton during Drosophila melanogaster development." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110665.

Texte intégral

Résumé :

Echinoid (Ed) is a homophilic cell adhesion molecule previously implicated in the regulation of the actin cytoskeleton during the development of Drosophila melanogaster. In the ovary, borders between populations of follicle cells that express Ed and those that lack Ed are associated with localized contractile actomyosin structures that function in the normal morphogenesis of this epithelium. Such contractile actomyosin structures also assemble at the borders of ed mutant follicle cell clones, which develop smooth interfaces with surrounding Ed-expressing cells. In the embryo, a differential Ed

Styles APA, Harvard, Vancouver, ISO, etc.

48

Vaitilingon, Devarajen. "The biology and ecology of the echinoid Tripneustes gratilla (Linneaus, 1758) off Toliara (Madagascar) :feeding, reproduction, larval development, population dynamics and parasitism." Doctoral thesis, Universite Libre de Bruxelles, 2004. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/211163.

Texte intégral

Styles APA, Harvard, Vancouver, ISO, etc.

49

Scholtz, Rheinhardt. "Feeding preferences of Tripneustes gratilla Linnaeus Echinodermata Echinodea and the prospect for sea urchin aquaculture in South Africa." Bachelor's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/24380.

Texte intégral

Résumé :

Sea urchin aquaculture for human food is a major industry, and there are prospects for the industry in South Africa. Feeding preferences of the sea urchin Tripneustes gratilla were tested by two different methods; a touch-preference test and a 48-hour consumption test. A touchpreference is established when the sea urchins' lantern teeth touched an algal species. The 48-hour consumption test was performed with paired combinations using four species of fresh algae. It was hypothesized that the preferred species would be similar in the touch-preference test and the consumption test. Five algal sp

Styles APA, Harvard, Vancouver, ISO, etc.

50

Lenz, Brittney L. "Effects of Ocean Warming and Acidification on Fertilization Success and Early Larval Development in the Green Sea Urchin, Lytechinus variegatus." NSUWorks, 2017. http://nsuworks.nova.edu/occ_stuetd/457.

Texte intégral

Résumé :

Climate change is predicted to affect the larval stages of many marine organisms. Ocean warming can reduce larval survival and hasten larval development, whereas ocean acidification can delay larval development. Ocean acidification is especially concerning for marine organisms that develop and grow calcified shells or skeletons in an environment undersaturated with calcium carbonate minerals. This study assessed the effects of ocean warming and acidification on the fertilization and larval development of the green sea urchin, Lytechinus variegatus, a tropical species common in Florida and the

Styles APA, Harvard, Vancouver, ISO, etc.

Nous offrons des réductions sur tous les plans premium pour les auteurs dont les œuvres sont incluses dans des sélections littéraires thématiques. Contactez-nous pour obtenir un code promo unique!