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Community Structure Of Benthic Microbial Mats At Hydrothermal Springs In Crater Lake, Oregon, Amanda Stromecki
Community Structure Of Benthic Microbial Mats At Hydrothermal Springs In Crater Lake, Oregon, Amanda Stromecki
WWU Graduate School Collection
Crater Lake, Oregon is an oligotrophic freshwater caldera lake fed by thermally and chemically-enriched hydrothermal springs. These vents distinguish Crater Lake from other freshwater systems and provide a unique ecosystem for study. This study examines the microbial community structure of hydrothermal mat communities found in the bottom of Crater Lake. Small subunit rRNA gene amplicon sequencing from eight microbial mats was used to assess community structure. These findings revealed a relatively homogeneous, yet diverse bacterial community. High alpha diversity and low beta diversity indicates that these communities are likely fueled by homogeneous and consistent hydrothermal fluids. An examination of autotrophic …