EARLY HEARING DETECTION AND INTERVENTION VIRTUAL CONFERENCE
MARCH 2-5, 2021
(Virtually the same conference, without elevators, airplane tickets, or hotel room keys)
5/21/2018 | 9:15 AM - 9:30 AM | META-ANALYSIS OF HETEROTROPHIC MICROBIAL RESPONSES TO PERIPHYTIC ALGAL PHOTOSYNTHESIS | 321
META-ANALYSIS OF HETEROTROPHIC MICROBIAL RESPONSES TO PERIPHYTIC ALGAL PHOTOSYNTHESIS
Numerous studies have investigated heterotrophic microbial responses to algal photosynthesis. Here we report the results of a meta-analytical synthesis of published and unpublished experiments (N ranging from 8 to 46) focused on the responses of heterotrophic microbial production (bacterial and fungal) and extracellular enzyme activity (beta-glucosidae, beta-xylosidase, leucine aminopeptidase, phosphatase, and phenol oxidase) to concurrent algal photosynthesis in periphyton communities. Algal photosynthesis caused significantly increased activity in all response variables, except for beta-xylosidase and phenol oxidase where the trends were positive, but not statistically significant. Fungal production was stimulated by photosynthesis to a significantly greater degree than any other heterotrophic response, suggesting that fungal-algal interactions may be of particular importance in periphyton communities.
- Microbial
- Periphyton
- Secondary Production
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Presenters/Authors
Steve Francoeur
(), Biology Department, Eastern Michigan University, steve.francoeur@emich.edu;
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Halvor Halvorson
(), University of Central Arkansas, hhalvorson@uca.edu;
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Kevin Kuehn
(), The University of Southern Mississippi, kevin.kuehn@usm.edu;
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