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Dissertations / Theses on the topic 'Enchytraeid'

Author: Grafiati

Published: 7 July 2024

Last updated: 31 July 2025

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1

Thompson, Astrid M. "Enchytraeids and nitrogen : the effects of nitrogen on enchytraeid populations and the influence of enchytraeids on nitrogen translocation in soil." Thesis, Durham University, 2005. http://etheses.dur.ac.uk/1288/.

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2

Silva, Ana Luísa Patrício. "Impact of natural and/or chemical stressors on the freeze-tolerant and euryhaline enchytraeid, Enchytraeus albidus." Doctoral thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/16009.

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Doutoramento em Biologia<br>Rapid climatic changes are taking place in Arctic, subarctic and cold temperate regions, where predictions point to an increase in freeze-thaw events, changes in precipitation, evaporation and salinity patterns. Climate change may therefore result in large impacts in ecosystem functioning and dynamics, especially in the presence of contaminants due to intense anthropogenic activities. Even though multiple stress approaches have received increasing interest in the last decades, the number of such studies is limited. In particular, knowledge on the effect of fre

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3

Hullot, Olivier. "Approche d'écotoxicologie fonctionnelle par l'étude des interactions sol-plante-annélides en sol contaminé." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASB012.

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La contamination des sols est un enjeu environnemental majeur. Une grande partie des sols contaminés en Europe le sont par des éléments traces métalliques. Celle-ci peut affecter les organismes édaphiques, avec souvent comme conséquence une diminution des activités biologiques. Pourtant plusieurs études ont montré l’importance des relations dites « belowground-aboveground » liant les communautés souterraines et aériennes des sols. Parmi elles, l’une des plus connues est l’interaction sol – plante – ver de terre. Ces derniers sont connus pour impacter positivement les fonctions écologiques des

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4

Beylich, Anneke. "Untersuchungen an Enchytraeiden (Oligochaeta) zum Einfluss von Bodenfeuchte und pH-Wert auf die Toxizität von Schwermetallen im Freiland und in Laborversuchen." Berlin, 2001. http://www.diss.fu-berlin.de/2002/50/index.html.

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5

Tschuschke, Steffen. "Das Cd-induzierbare crp-Gen aus dem terrestrischen Oligochaeten Enchytraeus genomische Organisation und Bedeutung für die Cd-Detoxifizierung /." [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=962777951.

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6

Johnson, Paul James. "Ecological studies on the Enchytraeidae (Oligochaeta) of streams in southern England." Thesis, University of Reading, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252674.

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7

Novais, Sara Calçada. "From genes to population: effects of toxicants on Enchytraeus albidus." Doctoral thesis, Universidade de Aveiro, 2011. http://hdl.handle.net/10773/7445.

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Doutoramento em Biologia<br>Nowadays, a systems biology approach is both a challenge as well as believed to be the ideal form of understanding the organisms’ mechanisms of response. Responses at different levels of biological organization should be integrated to better understand the mechanisms, and hence predict the effects of stress agents, usable in broader contexts. The main aim of this thesis was to evaluate the underlying mechanisms of Enchytraeus albidus responses to chemical stressors. Therefore, there was a large investment on the gene library enrichment for this species, as explained

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8

Gonçalves, Micael Ferreira Mota. "Development of novel short and long term studies in Enchytraeus crypticus." Master's thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/18562.

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Mestrado em Biologia Molecular e Celular<br>A maioria dos estudos ecotoxicológicos têm investigado os efeitos de curto prazo dos contaminantes. Comparativamente, tem sido desenvolvido pouco trabalho na avaliação dos efeitos a longo prazo dos químicos existindo portanto uma necessidade de preencher esta lacuna. De entre as espécies de solo usadas em ecotoxicologia estão os Enquitraídeos (Oligochaeta), membros importantes da mesofauna terrestre com diretrizes padrão para testar os efeitos ao nível da sobrevivência, reprodução e bioacumulação (ISO, 2004; OECD, 2010, 2004). Para a espécie Enchytra

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9

Locke, Jan Maureen. "Systematics and biology of Grania (Annelida: clitellata: Enchytraeidae) of the Bermuda Islands." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0003/MQ45419.pdf.

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10

Assis, Orlando. "Enquitreídeos (Enchytraeidae, Oligochaeta) como indicadores do manejo do solo e em ensaios ecotoxicológicos." Universidade Tecnológica Federal do Paraná, 2015. http://repositorio.utfpr.edu.br/jspui/handle/1/1848.

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A agricultura ocupa uma grande área do território brasileiro, interagindo com praticamente todos os grandes biomas. O manejo do solo, aliado ao uso de agrotóxicos e de fertilizantes, pode contribuir para o desequilíbrio da fauna edáfica, trazendo impactos que podem influenciar na harmonia do ecossistema do solo. O revolvimento do solo o expõe à radiação solar, que pode influenciar na abundância de espécies e os fertilizantes de base sintética desequilibram os níveis de nutrientes do solo, impactando na dinâmica dos organismos. Os agrotóxicos contaminam e causam mortalidade de diversos organism

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11

Plum, Nathalie Madeleine. "Worms and wetland water the role of lumbricids and enchytraeids in nutrient release from flooded grassland ecosystems." Berlin Logos-Verl, 2005. http://deposit.ddb.de/cgi-bin/dokserv?id=2757258&prov=M&dok_var=1&dok_ext=htm.

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12

Schiavon, Greice de Almeida. "Fauna edáfica em diferentes sistemas de manejo: avaliações sob a ótica acadêmica e do conhecimento local." Universidade Federal de Pelotas, 2012. http://repositorio.ufpel.edu.br/handle/ri/2362.

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Made available in DSpace on 2014-08-20T14:33:01Z (GMT). No. of bitstreams: 1 dissertacao_greice_de_almeida_schiavon.pdf: 2595058 bytes, checksum: b92d92d5c319dfe3fef953ccaf262aed (MD5) Previous issue date: 2012-12-12<br>This study was conducted on Estação Experimental Cascata, Embrapa Clima Temperado, in Pelotas, and on one family farm, in Morro Redondo. The objective of the study was to evaluate the scientific and local knowledge about the influences of management practices on soil fauna in ecological production systems. The methodology for samples of soil fauna, in each season, was done

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13

Santos, Fátima da Conceição Ferreira dos. "Hazard assessment for Nickel nanoparticles in the soil: full life cycle test with Enchytraeus crypticus." Master's thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/18560.

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Mestrado em Toxicologia e Ecotoxicologia<br>A nanotecnologia é uma área em constante crescimento, com cada vez mais produtos contendo nanopartículas (NPs) a serem introduzidos no mercado e no nosso dia-a-dia, desde cosméticos a baterias e dispositivos médicos. As características das NPs (composição química, tamanho, forma, reatividade) prometem novas aplicações e tornam estes materiais altamente desejáveis. Devido ao aumento de produção, as NPs irão eventualmente chegar ao meio ambiente de forma direta ou indireta, onde podem causar efeitos negativos nos diferentes compartimentos dos ecossiste

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14

Dawod, Virginia. "Population sizes of Enchytraeidae in agricultural plots in NE Scotland and their effect on soil structure." Thesis, University of Aberdeen, 1993. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=186008.

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The Enchytraeidae (Annelida, Oligochaeta) are small whitish worms especially prevalent in moorland and coniferous forest soils. They are less abundant but show varying densities in agricultural soils. They are important in soil decomposition processes and soil structure formation. This thesis reports the results of a study into the population sizes of the enchytraeids in agricultural plots at Craibstone Farm, five miles west of Aberdeen, Scotland, and the reasons for the variations in population size. It also describes the effects of the enchytraeids on soil structure, as determined from caref

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15

Otomo, Patricks Voua. "Stress responses of Eisenia andrei and Enchytraeus doerjesi (Oligochaeta) to combined effects of temperature and metal contamination." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/6900.

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Thesis (PhD)--Stellenbosch University, 2011.<br>ENGLISH ABSTRACT: The terrestrial Oligochaete species Eisenia andrei and Enchytraeus doerjesi were exposed to different concentration series of Cd and Zn, both separately and in mixtures for 28 days in artificial OECD soil at 15, 20 and 25°C. At the end of the four week exposure period, survival and reproduction were assessed in E. doerjesi and survival, reproduction, biomass change, metal uptake and biomarker responses (MTT and comet assays) in E. andrei. Survival results for both E. andrei and E. doerjesi indicated that the lethality of C

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16

Cadioli, Marina Capparelli. "Aplicação de Paecilomyces lilacinus sobre Folsomia candida e Enchytraeus crypticus e a interação no desenvolvimento de Meloidogyne paranaensis." Universidade Estadual de Londrina. Centro de Ciências Agrárias. Programa de Pós-Graduação em Agronomia, 2010. http://www.bibliotecadigital.uel.br/document/?code=vtls000155125.

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Os nematóides do gênero Meloidogyne (Goeldi, 1887) causam grandes prejuízos nas principais culturas no mundo. Com a sensibilização da população sobre os problemas causados pelos nematicidas químicos, uma nova alternativa de controle para os fitonematóides precisa ser encontrada para que se possa otimizar o manejo sustentável das lavouras. O controle biológico surgiu como uma alternativa potencial de controle e muitos estudos estão sendo desenvolvidos visando avaliar a aplicação do fungo Paecilomyces lilacinus (Thom., 1910) Samson, 1974, em campo para obter uma forma de controle ecologicamente

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17

Rocha, André Gomes da. "Avaliação dos efeitos dos agrotóxicos Kraft® 36 EC e Score® 250 EC na flora, micro e mesofauna edáficas." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/18/18139/tde-30102017-164459/.

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As modificações ambientais provocadas pela humanidade, em especial pela agricultura, têm sido motivo de preocupação e estudos por todo o mundo. Nesse sentido, os solos figuram como um dos compartimentos ambientais mais impactados pelo uso de agrotóxicos, produtos amplamente utilizados na agricultura moderna. O objetivo deste trabalho foi avaliar se e como os agrotóxicos Score® 250 EC (i.a. difenoconazol) e Kraft® 36 EC (i.a. abamectina), isolados e em mistura, afetam a flora (germinação e crescimento do tomate - Lycopersicon lycopersicum), as comunidades microbianas do solo (biomassa microbian

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18

Lindberg, Niklas. "Soil fauna and global change : responses to experimental drought, irrigation, fertilisation and soil warming /." Uppsala : Dept. of Ecology and Environmental Research, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/s270.pdf.

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19

Lindberg, Niklas. "Impact of climate change on soil fauna diversity : effects of experimental drought, irrigation, soil warming and nutrient addition /." Uppsala : Swedish Univ. of Agricultural Sciences, 2001. http://epsilon.slu.se/avh/2001/99-3576673-X.pdf.

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20

Malmström, Anna. "Effects of wildfire and prescribed burning on soil fauna in boreal coniferous forests /." Uppsala : Department of Ecology and Environmental Research, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/2006111.pdf.

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21

La, France Martin. "Zu den Auswirkungen experimenteller Waldneugründungs- und Waldumbaumaßnahmen auf die saprophage Invertebratenfauna an extrem immissionsgeschädigten Kammlagenstandorten des Osterzgebirges (Sachsen): Oligochaeta: Enchytraeidae, Lumbricidae; Acari: Oribatida; Insecta: Collembola: Bodenzoologisch-ökologische Untersuchungen." Doctoral thesis, Technische Universität Dresden, 2002. https://tud.qucosa.de/id/qucosa%3A24201.

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The effects of reafforestation with seedlings of spruce, birch, mountain-ash, beech and larch, partially in combination with liming and removal of the topsoil layer before planting, on the community of saprophagous invertebrates (lumbricids, enchytraeids, oribatids, collembolans) were examined. The study area was located on plateau sites of the eastern Ore Mountains (Saxonia, Germany). Investigations were carried out on study sites exposed to high sulphur dioxide immissions and reforested 3 respectively 10 years ago. Invertebrates were sampled by the extraction of soil cores and by the ?electr

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22

Serbource, Cecile. "Étude de l’activité bioturbatrice et des traits d’histoire de vie des enchytréides (Annelida, Oligochaeta) en sols agricoles méditerranéens." Electronic Thesis or Diss., Avignon, 2024. http://www.theses.fr/2024AVIG0634.

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Les sols cultivés sont sous la double influence des pratiques agricoles et des changements climatiques. Les pratiques conventionnelles (utilisation d’intrants chimiques, labour) ont compromis la santé des sols et leur capacité à fournir des services écosystémiques essentiels. Dans le cadre de la transition agroécologique, les organismes « ingénieurs des sols » comme les vers de terre ou les enchytréides peuvent être utilisés comme levier pour soutenir la santé des sols et offrent des opportunités pour renforcer la résilience des écosystèmes face aux changements climatiques. Ce travail de thèse

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23

BOUGUENEC, VERONIQUE. "Elevage en masse d'enchytraeidae : etude bibliographique, mise au point experimentale et tests pour l'alimentation des poissons." Toulouse 3, 1987. http://www.theses.fr/1987TOU30273.

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24

Amorim, Mónica João de Barros. "Chronic and toxicokinetic behaviour of lindane (y-hch) in the enchytraeid." Master's thesis, 2000. http://hdl.handle.net/10316/9865.

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25

Carniel, Leticia Scopel Camargo. "Novel Approaches and Future Directions for Pesticide Ecological Risk Assessment to In-Soil Fauna." Doctoral thesis, 2019. http://hdl.handle.net/10316/91061.

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The aim of the present work was to improve the ecological risk assessment (ERA) of plant protection products (PPPs) to in-soil fauna in European Union based on the new Scientific Opinion of European Food Safety Authority (EFSA) (2017) and to execute the same approach in Brazilian scenarios. The tiered approach, which modes from more protective to higher complexity tests was used. Bravonil 500® (500 g.L-1 chlorothalonil) and Lorsban 480® (480 g.L-1 chlorpyrifos) were used as model PPPs. In the lower tier, reproduction laboratory tests with eleven in-soil organisms (five collembolans and six oli

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26

Dodard, Sabine. "Biochemical and ecotoxicological effects of 2,4,6-trinitrotoluene (TNT) and its metabolites on the soil invertebrate, Enchytraeus albidus." Thesis, 2002. http://spectrum.library.concordia.ca/1959/1/MQ77664.pdf.

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The first paper describes the ecotoxicological effects of TNT on enchytraeids. TNT was shown to be transformed in the artificial soil used as an exposure matrix, and resulted in enchytraeid mortality and reductions in the number of juveniles as determined by standard tests. The toxicity of TNT and its biotransformation by enchytraeids at the organismal and biochemical levels are described in the second manuscript. Adult enchytraeids were analysed after exposure to TNT in both liquid and soil milieu. TNT-related metabolites were found in enchytraeids after exposure to TNT-spiked artificial (OE

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27

Chen, Szu-Huei, and 陳思卉. "Using Enchytraeus sp. as a model species for regeneration research:a preliminary analysis of hedgehog gene expression patterns." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/334vm4.

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碩士<br>國立臺灣大學<br>生命科學系<br>105<br>Hedgehog, one of the arthropod segmental polarity genes, is crucial for embryogenesis and regeneration in many metazoan species. Previous studies in annelids showed that hedgehog signaling is involved in segmentation in a polychaete, Platynereis and that hedgehog signaling regulates gut formation but not segmentation in the leech (one clitellate). To understand the evolution of hedgehog expression in annelid segmentation and regeneration, we have isolated a hedgehog homolog (Enc-hh) from Enchytraeus sp., a small transparent microdrile oligochaete reproducing ase

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28

Moser, Thomas [Verfasser]. "Auswirkungen des Fungizids Carbendazim auf Enchytraeidae (Annelida, Oligochaeta) in terrestrischen Modellökosystemen und im Freiland / von Thomas Moser." 2005. http://d-nb.info/97495036X/34.

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29

Brand, Cyrill [Verfasser]. "Etablierung einer embryonalen cDNA-Bibliothek und Klonierung eines FGFR-Homologs aus Enchytraeus coronatus (Annelida, Oligochaeta) / vorgelegt von Cyrill Brand." 2003. http://d-nb.info/972758852/34.

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30

Tschuschke, Steffen [Verfasser]. "Das Cd-induzierbare crp-Gen aus dem terrestrischen Oligochaeten Enchytraeus : genomische Organisation und Bedeutung für die Cd-Detoxifizierung / vorgelegt von Steffen Tschuschke." 2001. http://d-nb.info/962777951/34.

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31

Beylich, Anneke [Verfasser]. "Untersuchungen an Enchytraeiden (Oligochaeta) zum Einfluss von Bodenfeuchte und pH-Wert auf die Toxizität von Schwermetallen im Freiland und in Laborversuchen / vorgelegt von Anneke Beylich." 2001. http://d-nb.info/96440382X/34.

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32

France, Martin la [Verfasser]. "Zu den Auswirkungen experimenteller Waldneugründungs- und Waldumbaumaßnahmen auf die saprophage Invertebratenfauna an extrem immissionsgeschädigten Kammlagenstandorten des Osterzgebirges (Sachsen) : bodenzoologisch-ökologische Untersuchungen ; (Oligochaeta: Enchytraeidae, Lumbricidae; Acari: Oribatida; Insecta: Collembola) / vorgelegt von Martin la France." 2002. http://d-nb.info/967588359/34.

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33

Hellwig, Niels. "Spatial patterns of humus forms, soil organisms and soil biological activity at high mountain forest sites in the Italian Alps." Doctoral thesis, 2018. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-20181024676.

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The objective of the thesis is the model-based analysis of spatial patterns of decomposition properties on the forested slopes of the montane level (ca. 1200-2200 m a.s.l.) in a study area in the Italian Alps (Val di Sole / Val di Rabbi, Autonomous Province of Trento). The analysis includes humus forms and enchytraeid assemblages as well as pH values, activities of extracellular enzymes and C/N ratios of the topsoil. The first aim is to develop, test and apply data-based techniques for spatial modelling of soil ecological parameters. This methodological approach is based on the concept of digi

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