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Dissertations / Theses on the topic 'Reptiles Snails'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Littlefield, Joanne. "Snakes in the Neighborhood: Effects of Urbanization on Amphibians and Reptiles." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/622213.

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2

Ariel, Ellen. "Pathology and serological aspects of Bohle Iridovirus infections in six selected water-associated reptiles in North Queensland." Online version, 1997. http://dds.crl.edu/CRLdelivery.asp?tid=12641.

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3

Oldham, Christian Robert. "INVESTIGATIONS IN CRYPTIC SPECIES: CONSIDERATIONS AND APPLICATIONS FOR ESTIMATING DETECTION, OCCUPANCY, AND ABUNDANCE OF SEMI-AQUATIC SNAKES." UKnowledge, 2016. http://uknowledge.uky.edu/forestry_etds/28.

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Snake species are notoriously difficult to study in the field due to their cryptic natural-histories and secretive behaviors. Difficulties associated with detection present challenges estimating parameters including occupancy and abundance, as well as responses to habitat degradation. Our objectives were to use Passive Integrated Transponder (PIT) telemetry to enhance detection of Queensnakes (Regina septemvittata) as compared to traditional capture-mark-recapture (CMR) survey techniques and to examine occupancy and abundance of Queensnakes and Northern Watersnakes (Nerodia sipedon) in streams

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4

Mendes, Roberta Graboski [UNESP]. "Filogeografia e revisão taxonômica de Typhlops brongersmianus Vanzolini, 1972 (Serpentes: Scolecophidia: Typhlopidae): padrões de diversidade genética e morfológica em uma serpente fossorial." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/99535.

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Made available in DSpace on 2014-06-11T19:30:15Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-01-28Bitstream added on 2014-06-13T21:00:38Z : No. of bitstreams: 1 mendes_rg_me_rcla.pdf: 2173784 bytes, checksum: da4f26247f298c7898f225180d206b86 (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>A diversidade das serpentes é ampla, com aproximadamente três mil espécies descritas. Esta diversidade é agrupada, tanto por evidências morfológicas como moleculares, em dois clados: Alethinophidia (~2660 espécies) e Scolecophidia (~400 espécies). Comparativamente aos Ale

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5

Mendes, Roberta Graboski. "Filogeografia e revisão taxonômica de Typhlops brongersmianus Vanzolini, 1972 (Serpentes: Scolecophidia: Typhlopidae) : padrões de diversidade genética e morfológica em uma serpente fossorial /." Rio Claro : [s.n.], 2011. http://hdl.handle.net/11449/99535.

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Orientador: Hussam El Dine Zaher<br>Coorientador: Sandro Luis Bonatto<br>Banca: Giovanna Gondim Montingelli<br>Banca: Nelson Jurandi da Rosa Fagundes<br>Resumo: A diversidade das serpentes é ampla, com aproximadamente três mil espécies descritas. Esta diversidade é agrupada, tanto por evidências morfológicas como moleculares, em dois clados: Alethinophidia (~2660 espécies) e Scolecophidia (~400 espécies). Comparativamente aos Alethinophidia, poucos estudos foram realizados até o momento com Scolecophidia, estudos estes dificultados tanto pelos hábitos furtivos como pela raridade destas serpent

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6

White, Julian. "Studies in clinical toxinology in South Australia /." Title page, contents and summary only, 1988. http://web4.library.adelaide.edu.au/theses/09M.D/09m.dw585.pdf.

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7

Aqrawi, Tara [Verfasser], and Rachel E. [Akademischer Betreuer] Marschang. "Establishment of reverse transcriptase polymerase chain reaction methods for the detection of newly described RNA viruses in reptiles : picornaviruses in tortoises, reptarenaviruses in snakes, and sunshinevirus in snakes / Tara Aqrawi ; Betreuer: Rachel E. Marschang." Hohenheim : Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim, 2018. http://d-nb.info/1171899653/34.

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8

Santos, Fid?lis J?nio Marra. "A revision of the small snakes of the family Anomalepididae (Reptilia: Squamata: Serpentes), using high resolution computerized tomography." Pontif?cia Universidade Cat?lica do Rio Grande do Sul, 2018. http://tede2.pucrs.br/tede2/handle/tede/8086.

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Submitted by PPG Zoologia (zoologia-pg@pucrs.br) on 2018-05-29T13:52:52Z No. of bitstreams: 1 Tese - Santos - Fid?lis.pdf: 21234236 bytes, checksum: 6b55c8c14033601ff328f8d7bed152b9 (MD5)<br>Approved for entry into archive by Caroline Xavier (caroline.xavier@pucrs.br) on 2018-05-29T14:16:25Z (GMT) No. of bitstreams: 1 Tese - Santos - Fid?lis.pdf: 21234236 bytes, checksum: 6b55c8c14033601ff328f8d7bed152b9 (MD5)<br>Made available in DSpace on 2018-05-29T14:21:21Z (GMT). No. of bitstreams: 1 Tese - Santos - Fid?lis.pdf: 21234236 bytes, checksum: 6b55c8c14033601ff328f8d7bed152b9 (MD5) Previ

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9

Pyron, R., Frank Burbrink, and John Wiens. "A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes." BioMed Central, 2013. http://hdl.handle.net/10150/610383.

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BACKGROUND:The extant squamates (>9400 known species of lizards and snakes) are one of the most diverse and conspicuous radiations of terrestrial vertebrates, but no studies have attempted to reconstruct a phylogeny for the group with large-scale taxon sampling. Such an estimate is invaluable for comparative evolutionary studies, and to address their classification. Here, we present the first large-scale phylogenetic estimate for Squamata.RESULTS:The estimated phylogeny contains 4161 species, representing all currently recognized families and subfamilies. The analysis is based on up to 12896 b

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10

Sueiro, Leticia Ruiz. "Custos reprodutivos em Crotalus durissus (Serpentes, Viperidae) do Estado de São Paulo, Brasil." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/87/87131/tde-06062013-114615/.

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A reprodução é custosa para ambos os sexos, mas a magnitude dos gastos e sua relação com o sucesso reprodutivo diferem entre os gêneros. Os custos reprodutivos são divididos em duas categorias: custos de sobrevivência e custos energéticos. Crotalus durissus possui um ciclo reprodutivo sazonal com cópula ocorrendo no outono e a parturição no final no verão. Os machos competem por fêmeas receptivas. A inferência de custos reprodutivos associados à sobrevivência foi realizada por meio de levantamentos das taxas de atividade entre machos e fêmeas. A variação da quantidade de gordura abdominal e do

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11

Scartozzoni, Rodrigo Roveri. "Estratégias reprodutivas e ecologia alimentar de serpentes aquáticas da tribo Hydropsini (Dipsadidae, Xenodontinae)." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/87/87131/tde-29042010-081617/.

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A tribo Hydropsini compreende três gêneros de serpentes. Dados alimentares são escassos, mas indicam que as espécies consomem principalmente peixes e secundariamente anfíbios anuros. Os Hydropsini são ovíparos ou vivíparos e o polimorfismo é sugerido para algumas espécies. Entretanto, outros aspectos reprodutivos são desconhecidos para a maioria dessas serpentes. Por outro lado, as relações filogenéticas entre os Hydropsini estão estabelecidas. Este trabalho teve como objetivo caracterizar a reprodução e alimentação de doze espécies dos três gêneros, mapear a evolução e analisar possíveis rela

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12

Fizzotti, Bianca. "The effects of roads on puff adder (Bitis arietans) movement." Thesis, 2018. https://hdl.handle.net/10539/25652.

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A dissertation submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in fulfilment of requirements for the degree of Master of Science. Johannesburg, 3 May 2018.<br>The movement ecology of a species can dictate their survival and success. Animals are motivated to move depending on resource priorities and in turn their movements are influenced by the surrounding environment. Natural habitats are being increasingly disturbed by anthropogenic changes which often creates several implications for the existing wildlife. One of these changes include extensive road networ

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13

Singh, Ishan. "Microornamentation on snake scales." Thesis, 2018. https://hdl.handle.net/10539/26662.

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A dissertation submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in fulfilment of the requirements for the degree of Masters of Science, Johannesburg 2018<br>The morphology and functionality of surface microornamentation in southern African snakes is well-established in terms of resulting optical effects. Velvet-blackness, a type of optical effect is produced when light incident on a scale is scattered by microornamentation. I tested microornamentation from Bitis arietans dorsal exuvia for these optical effects. Scales were excised from shed skins of

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14

Sutherland, Ronald Worth. "The effects of urbanization on reptiles and amphibians in the Sandhills Region of North Carolina." Diss., 2009. http://hdl.handle.net/10161/3199.

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<p>Rapid urbanization threatens the survival of native wildlife species worldwide. In order to fully grasp the implications of the ongoing growth of urban areas on biodiversity, conservationists need to be able to quantify the response patterns of a wide range of different species to the expansion of urban and suburban land use. In this study, we set up two road-based transects across gradients of urbanization and habitat loss in the diverse longleaf pine forests of the Sandhills region of North Carolina, USA. With funding provided by the NC Wildlife Resources Commission, we drove the transect

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15

Herbig, Friedo Johann Willem. "The illegal reptile trade - a criminological perspective." Thesis, 2003. http://hdl.handle.net/10500/2544.

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The illegal reptile trade quandary in the Western Cape province is strategically and chronologically addressed in this thesis with the implicit intention of revealing its gamut and underlying dynamics, developing a pragmatic, parsimonious and authentic conservation crime category with clearly delineated parameters, and formulating an integrated theoretical explanation regarding its aetiology that will adequately explicate herpetological, and hopefully also other forms of natural resource, crime and deviance. The thesis, by essentially transcending traditional, stereotypical edicts, throws new

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16

Kelly, Christopher M. R., Nigel P. Barker, Martin Herrer Villet, Donald G. Broadley, and William R. Branch. "The snake family Psammophiidae (Reptilia: Serpentes): phylogenetics and species delimitation in the African sand snakes (Psammophis Boie, 1825) and allied genera." 2008. http://hdl.handle.net/10962/d1005953.

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This study constitutes the first evolutionary investigation of the snake family Psammophiidae—the most widespread, most clearly defined, yet perhaps the taxonomically most problematic of Africa's familylevel snake lineages. Little is known of psammophiid evolutionary relationships, and the type genus Psammophis is one of the largest and taxonomically most complex of the African snake genera. Our aims were to reconstruct psammophiid phylogenetic relationships and to improve characterisation of species boundaries in problematic Psammophis species complexes. We used approximately 2500 bases of DN

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