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Dissertations / Theses on the topic 'Densité larvaire'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 February 2022

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1

Henry, Youn. "Influence des facteurs alimentaires et du microbiote intestinal sur la tolérance au stress chez Drosophila melanogaster." Thesis, Rennes 1, 2018. http://www.theses.fr/2018REN1B043/document.

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Un grand nombre de paramètres environnementaux affectent les insectes, et l’identification des éléments impliqués dans l’adaptation aux stress est cruciale. La nutrition est une clé de cette adaptation : elle contrôle la santé des organismes, et par conséquent affecte leur tolérance au stress. Le microbiote intestinal module lui aussi les processus physiologiques des organismes, notamment en agissant sur le phénotype nutritionnel de l’hôte. Cependant, nous ignorons encore la capacité de ce microbiote à modifier la tolérance au stress de l’hôte. A travers la manipulation du microbiote et de la

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2

Belzile, Claude. "Effets de la densité et de la température sur le développement larvaire et la taille adulte de Aedes triseriatus (diptera - culicidae)." Thèse, Université du Québec à Trois-Rivières, 1991. http://depot-e.uqtr.ca/5384/1/000587541.pdf.

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3

Ronzani, Cerqueira Vinicius. "L' élevage larvaire intensif du loup Dicentrarchus labrax : inflence de la lumière, de la densité en proies et de la température sur l'alimentation, sur le transit digestif et sur les performances zootechniques." Université d'Aix-Marseille II. Faculté des sciences (1969-2011), 1986. http://www.theses.fr/1986AIX22031.

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4

Taggart, Christopher Thomas. "Mortality of larval capelin (Mallotus villosus Muller) : environmental and density correlates during post-emergent dispersal." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=72771.

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5

Kallmeyer, Diane E. "Density dynamics of zebra mussel (Dreissena polymorpha) larvae in a study zone of the Indiana waters of Lake Mighigan from May through August of 1990-1997." Virtual Press, 1999. http://liblink.bsu.edu/uhtbin/catkey/1137832.

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6

Rodgers, Brandon. "Poecilia reticulata predation on Aedes aegypti larvae : effects of predator body size and vegetation density." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=100206.

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In this study, predation efficiency of three guppy ( Poecilia reticulata) size classes was evaluated at various vegetation densities in a series of circular aquaria containing plastic plants closely resembling Ceratophyllum demersum. The effect of vegetation density was most apparent among large fish where predation efficiency greatly diminished from 12.35 mosquito larvae (Aedes aegypti) to 4.68 as vegetation densities rose from 3 to 19 plants/700 cm2. Over that same range of increasing vegetation densities, predation among small fish remained unchanged, whereas among fish of intermediate size

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7

Cerqueira, Vinicius Ronzani. "L'elevage larvaire intensif du loup, dicentrarchus labrax : influence de la lumiere, de la densite en proies et de la temperature sur l'alimentation, sur le transit digestif et sur les performances zootechniques." reponame:Repositório Institucional da UFSC, 1986. http://repositorio.ufsc.br/xmlui/handle/123456789/75332.

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8

Ronzani, Cerqueira Vinicius. "L'Elevage larvaire intensif du loup, Dicentrarchus labrax influence de la lumière, de la densité en proies et de la température sur l'alimentation, sur le transit digestif et sur les performances zootechniques /." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37600767k.

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9

Wisniewski, Gabriela L. "Occurrence, Density, and Distribution of the Larvae of Three Commercially Important Crab Species in the Florida Current off the Southeast Coast of Florida, U.S." NSUWorks, 2010. http://nsuworks.nova.edu/occ_stuetd/195.

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Knowledge of the temporal and spatial distribution and density of the larvae of Florida‘s commercially important crab species, the blue crab, Callinectes sapidus, the golden crab, Chaceon fenneri, and the stone crab, Menippe mercenaria in the nearshore and offshore waters of Florida‘s southeast coast is minimal. Such data, however, can be crucial to our understanding of the population dynamics of these vital fishery species. To obtain baseline data of the occurrence and distribution of these species‘ larvae in the Florida Current, densities were obtained from zooplankton tows from an E-W trans

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10

Abd-Eldayem, Mohamed Sabry Abd-Elaziz. "A study of the quantitative relationship between the blood density of Wuchereria bancrofti microfilariae and development of infective larvae in Culex pipens molestus in Egypt." Thesis, University of London, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.247427.

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11

Mokashi, Madhura P. "Distribution of Phyllosoma Larvae (Crustacea: Decapoda: Palinura: Palinuridae, Scyllaridae and Synaxidae) in the Florida Current, Off Port Everglades, Florida, USA." NSUWorks, 2009. http://nsuworks.nova.edu/occ_stuetd/137.

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A spiny (Palinuridae), slipper (Scyllaridae) and coral (Synaxidae) lobster larval composition and distribution study on the western edge of the Florida Current is presented. From the samples collected during 2007, phyllosoma larvae of Justitia longimanus, Panulirus argus, Parribacus spp., S. americanus, S. depressus and P. gundlachi were positively identified. Relative density catches of the phyllosoma larvae indicate that P. argus (Florida spiny lobster) is the most abundant species in the Straits of Florida. Data gathered during the study shows that P. argus larvae at different developmental

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12

Ryan, Catherine Maxine. "Effect of algal cell density, dietary composition, growth phase and macronutrient concentration on growth and survival of giant scallop Placopecten magellanicus (Gmelin, 1791) larvae and spat in a commercial hatchery." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ54957.pdf.

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13

Palm, Wilhelm, Marta M. Swierczynska, Veena Kumari, Monika Ehrhart-Bornstein, Stefan R. Bornstein, and Suzanne Eaton. "Secretion and Signaling Activities of Lipoprotein-Associated Hedgehog and Non-Sterol-Modified Hedgehog in Flies and Mammals." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-180911.

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Hedgehog (Hh) proteins control animal development and tissue homeostasis. They activate gene expression by regulating processing, stability, and activation of Gli/Cubitus interruptus (Ci) transcription factors. Hh proteins are secreted and spread through tissue, despite becoming covalently linked to sterol during processing. Multiple mechanisms have been proposed to release Hh proteins in distinct forms; in Drosophila, lipoproteins facilitate long-range Hh mobilization but also contain lipids that repress the pathway. Here, we show that mammalian lipoproteins have conserved roles in Sonic Hedg

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14

Hurlbut, Catherine Jane. "Variations in larval density and settlement in space and time : important determinants of recruitment in sessile marine invertebrates?" Thesis, 1990. http://hdl.handle.net/10125/10315.

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15

Marques, João Carlos Bento. "Density Valley Clustering Reveals New Swim Types of the Zebrafish Larvae." Doctoral thesis, 2016. http://hdl.handle.net/10362/43838.

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The ultimate function of the nervous system is to produce behaviours that enable animals to survive and reproduce. Accordingly, if we want to understand how the brain works it is crucial to take into account its final output. Ethology postulates that complex behaviours are formed by sequences of simpler units of movements. The identification and characterization of these behavioural motifs could be useful to understand how the neuronal circuits that underlay them work.

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16

林莞瑜. "Effect of starvation and density on the pit-building behavior of Cueta sauteri(Esben-Petersen) larvae." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/18170023638009837109.

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碩士<br>國立高雄師範大學<br>生物科技系<br>95<br>Abstract To explore the effect of starvation and density on the pit-building behavior of antlion larvae, this research, which started from March 2005 to December 2005, focused on studying the Cueta sauteri larvae of Yen-chao. Although the pit constructed in the laboratory was significantly larger than that in the field, the ratio of both structures was nearly identical. This reflect the pit-construction behavior in the laboratory could still appropriately reflect the outdoor condition. Some researches pointed out that food limitation may lead to the decrease i

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17

Li, Yi-Ling, and 李宜玲. "Environmental impact of green water on the Australian freshwater crayfish (Cherax quadricarinatus) larvae growth rate, survival and physiological responses at high stock density." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/71016118099150682144.

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碩士<br>國立高雄海洋科技大學<br>水產養殖研究所<br>102<br>The cultivation of Cherax quadricarinatus, an Australian freshwater crustacean, has progressively developed in various locations; however, the species is cannibalistic, especially during the larval stage. green water culture has been developed for a long period; it is characterized by stable water quality and reduced visibility, which provide a suitable environment for culturing biological organisms. This study investigated the influence of green water environments on the survival rate and growth of Cherax quadricarinatus. In the experiment, the animals us

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18

Ryan, Catherine Maxine. "Effect of algal cell density, dietary composition, growth phase and macronutrient concentration on growth and survival of giant scallop Placopecten magellanicus (Gmelin, 1791) larvae and spat in a commerical hatchery /." 2000.

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19

HAJÍČEK, Jiří. "Adaptace štiky obecné (Esox lucius L.) na umělé peletované krmivo v kontrolovaných podmínkách chovu." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-137500.

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The main objective of this thesis is to describe and experimentally evaluate the possibility of adaptation of pike (Esox lucius L.) in controlled housing conditions and income artificial pelleted feed. The thesis is mainly based on the effect of an initial larval density of pike for adaptation and survival and the growth of larvae reared in the rearing tanks. The experiment consisted of four different densities of larvae (10, 20, 40, 80 pc of the larvae l??, which were always repeated three times. Two experiments were performed (M, H), with a length of rearing of five days. Rearing itself was

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20

Maas, Bea. "Birds, bats and arthropods in tropical agroforestry landscapes: Functional diversity, multitrophic interactions and crop yield." Doctoral thesis, 2013. http://hdl.handle.net/11858/00-1735-0000-0022-5E77-5.

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