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Porewater methane transport within the gas vesicles of diurnally migrating Chaoborus spp.: An energetic advantage

Daniel F. McGinnis, Sabine Flury, Kam Tang Orcid Logo, Hans-Peter Grossart

Scientific Reports, Volume: 7, Issue: 1, Start page: 44478

Swansea University Author: Kam Tang Orcid Logo

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DOI (Published version): 10.1038/srep44478

Abstract

We show that diurnally migrating Chaoborus sp. (phantom midge larvae), which can be highly abundant in eutrophic lakes with anoxic bottom, utilises sediment methane to inflate their tracheal sacs, which provides positive buoyancy to aid vertical migration. This process also effectively transports se...

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Published in: Scientific Reports
ISSN: 2045-2322
Published: Springer Science and Business Media LLC 2017
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa31919
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Abstract: We show that diurnally migrating Chaoborus sp. (phantom midge larvae), which can be highly abundant in eutrophic lakes with anoxic bottom, utilises sediment methane to inflate their tracheal sacs, which provides positive buoyancy to aid vertical migration. This process also effectively transports sediment methane bypassing oxidation to the upper water column, adding to the total methane outflux to the atmosphere.
Keywords: methane, Chaoborus, migration, energetics, greenhouse gas
College: College of Science
Issue: 1
Start Page: 44478