Microbial and Biochemical Surveys Along the Geographical Gradient of the Oregon Coast

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dc.contributor.advisorLouca, Stilianos
dc.contributor.authorHabibi Soufi, Hengameh
dc.date.accessioned2025-02-24T20:11:48Z
dc.date.issued2025-02-24
dc.description.abstractTo understand the factors shaping microbial assembly and community composition in intertidal sediments along the Oregon coast, we collected sediment samples from 10 cores at depths of 160–190 cm, spanning over 300 km. Using metagenomic and 16S rRNA data, we constructed functional and taxonomic profiles, revealing redundancy in functional groups but variability in taxonomic composition. Regression models using chemical data measured in lab, geographical distances, and environmental variables from public datasets failed to significantly predict taxonomic composition. However, permutation null model tests suggested that biological interactions play a significant role in driving taxonomic variation in subsurface sediments, namely through taxa excluding each other via different mechanisms.en_US
dc.description.embargo2026-02-17
dc.identifier.urihttps://hdl.handle.net/1794/30475
dc.language.isoen_US
dc.publisherUniversity of Oregon
dc.rightsAll Rights Reserved.
dc.subjectBiogeochemistryen_US
dc.subjectEnvironmental microbiologyen_US
dc.subjectMetagenomicsen_US
dc.subjectMicrobial Ecologyen_US
dc.subjectOcean Sedimentsen_US
dc.subjectTaxonomic Compositionen_US
dc.titleMicrobial and Biochemical Surveys Along the Geographical Gradient of the Oregon Coast
dc.typeElectronic Thesis or Dissertation
thesis.degree.disciplineDepartment of Biology
thesis.degree.grantorUniversity of Oregon
thesis.degree.levelmasters
thesis.degree.nameM.S.

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