Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 1171 for “"taxonomic"”.
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Taxonomic classification of metagenomic sequences
… different methods have been developed for the taxonomic and functional characterization of metagenomic shotgun sequences. However, the taxonomic classification of metagenomic sequences from novel species without close homologues in the biological sequence databases poses a challenge due to the …
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Taxonomic Study of Pasteurella Anatipestifer
Due to its proteolytic and nonfermentative activity suggestions have been made to place Pasteurella anatipestifer (the causal agent of duck septicaemia) under the genus Moraxella. However, presently it is listed under genus Pasteurella as species incertae sedis.
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Information fusion in taxonomic descriptions
… system contains 4 modules: Text segmentation and Taxonomic Name Identification, Organ-level and Sub-organ level Information Extraction, Relationship Identification, and Information fusion. By using the sample descriptions from Flora of North America and Flora of China, we demonstrate that the …
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Topic specific spider for taxonomic documents
… for a taxonomist through which he/she can obtain taxonomic revisions depending for the species provided to the system. This thesis, in particular, aims to develop a subsystem that collects taxonomic documents available on the World Wide Web using a combination of spidering and document …
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Support for taxonomic data in systematics
The Systematics community works to increase our understanding of biological diversity through identifying and classifying organisms and using phylogenies to understand the relationships between those organisms. It has made great progress in the building of phylogenies and in the development of …
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A taxonomic study of the genus Campylobacter
One hundred and eighteen (118) Campylobacter strains were studied by DNA homology experiments and characterized phenotypically. These strains formed eleven (11) distinct DNA homology groups (species) corresponding to C. fetus, C. "hyointestinalis", C. jejuni, C. coli, C. laridis, C. nitrofigilis, …
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Resolution of the Marthasterias Taxonomic "Disar-star"
… spine. This work resolves a century of taxonomic dispute, separation and amalgamation of the two forms and establishes that will for part of a single, uniquely South African, Marthasterias species that is distinct from the European M. glacialis.
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Taxonomic studies on the genus Crassula L
The difficulties involved in the taxonomy of the genus Crassula, such as the extensive variation and often difficult species complexes, vicariousness and hybridization, are sketched against a historical background. These difficulties have prompted the author to review concepts of taxa from …
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A taxonomic study of Sorocephalus and Spatalla
A brief historical review of previous taxonomic studies on Leucospermum is given. The principal diagnostic characters used in the present revision are evaluated. A complete taxonomic revision of the genus has been tinder taken. All the relevant names have been typified and all the type specimens …
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A taxonomic revision of the genus pentatrichia (asteraceae)
Abstract provided by author
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Taxonomic studies on the genus Podocotyle (Trematoda: opecoelidae)
The original intent of this study was to reinvestigate and confirm the validity of thirteen species of Podocotyle reported from Dillon Beach, California. Eight species were described by Park (1937) and five described by Johnson (1949-unpublished). Among these species basic similarities were evident …
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Taxonomic Revision of the Genus Bothus (Bothidae; Pleuronectiformes)
The taxonomic status of its 59 nominal species of the genus Bothus (Pleuronectiformes: Bothidae) has been revised, based on a morphological study of 320 type and non-type specimens. Of the 59 nominal species examined in the study, 18 have found to be valid and are re-described. The genus Bothus …
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Taxonomic and phylogenetic studies in the Cladophorophyceae (Chlorophyta)
De Cladophorophyceae vormen een klasse van meercellige wieren behorende tot de Chlorophyta (groenwieren) en worden voornamelijk gekenmerkt door de coenocytische thallusbouw (thallus samengesteld uit meerkernige cellen). De klasse bevat een dertigtal genera en een driehondertal soorten die verspreid …
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Taxonomic Studies in Penstemon Deamii and Its Allies
Made available in DSpace on 2014-12-09T22:25:43Z (GMT). No. of bitstreams: 1 6503615.pdf: 2865046 bytes, checksum: 8f7e939542e800e86524b37734cb78b9 (MD5) Previous issue date: 1964
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Taxonomic problems associated with named strains of Streptomyces cinnamonensis
… My thesis is a report of a comparative taxonomic study of seven strains of Streptomyces cinnamonensis including ATCC 15413, using methods devised by the International Streptomyces Project (ISP) for identifying and classifying streptomycetes. Additional information was obtained by …
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The Taxonomic Status of Coyotes From Western South Dakota
… objectives of this study were to identify the taxonomic status of coyotes in western South Dakota, and to determine the degree of hybridization, if any, that is occurring between coyotes and domestic dogs in the state. Animals were collected from three areas in western South Dakota from …
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