Methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem
Source at https://doi.org/10.1038/s41467-017-01776-x . Subterranean estuaries extend inland into density-stratified coastal carbonate aquifers containing a surprising diversity of endemic animals (mostly crustaceans) within a highly oligotrophic habitat. How complex ecosystems (termed anchialine) th...
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ftunivtroemsoe:oai:munin.uit.no:10037/12310 2023-05-15T14:26:58+02:00 Methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem Brankovits, D. Pohlman, J.W. Niemann, Helge Leigh, M.B. Leewis, M.C. Becker, K.W. Iliffe, F.A. Lehmann, M.F. Phillips, B. 2017-11-28 https://hdl.handle.net/10037/12310 https://doi.org/10.1038/s41467-017-01776-x eng eng Nature Publishing Group Nature Communications Norges forskningsråd: 223259 info:eu-repo/grantAgreement/RCN/SFF/223259/Norway/Centre for Arctic Gas Hydrate, Environment and Climate/CAGE/ Brankovits, D., Pohlman, J.W., Niemann, H., Leigh, M.B., Leewis, M.C., Becker, K.W. . Phillips, B. (2017). Methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem. Nature Communications, 8. FRIDAID 1519817 doi:10.1038/s41467-017-01776-x 2041-1723 https://hdl.handle.net/10037/12310 openAccess Carbon cycle Ecosystem ecology Marine chemistry VDP::Matematikk og Naturvitenskap: 400::Kjemi: 440::Miljøkjemi naturmiljøkjemi: 446 VDP::Mathematics and natural science: 400::Chemistry: 440::Environmental chemistry natural environmental chemistry: 446 Journal article Tidsskriftartikkel Peer reviewed 2017 ftunivtroemsoe https://doi.org/10.1038/s41467-017-01776-x 2021-06-25T17:55:39Z Source at https://doi.org/10.1038/s41467-017-01776-x . Subterranean estuaries extend inland into density-stratified coastal carbonate aquifers containing a surprising diversity of endemic animals (mostly crustaceans) within a highly oligotrophic habitat. How complex ecosystems (termed anchialine) thrive in this globally distributed, cryptic environment is poorly understood. Here, we demonstrate that a microbial loop shuttles methane and dissolved organic carbon (DOC) to higher trophic levels of the anchialine food web in the Yucatan Peninsula (Mexico). Methane and DOC production and consumption within the coastal groundwater correspond with a microbial community capable of methanotrophy, heterotrophy, and chemoautotrophy, based on characterization by 16S rRNA gene amplicon sequencing and respiratory quinone composition. Fatty acid and bulk stable carbon isotope values of cave-adapted shrimp suggest that carbon from methanotrophic bacteria comprises 21% of their diet, on average. These findings reveal a heretofore unrecognized subterranean methane sink and contribute to our understanding of the carbon cycle and ecosystem function of karst subterranean estuaries. Article in Journal/Newspaper Arctic University of Tromsø: Munin Open Research Archive Nature Communications 8 1 |
institution |
Open Polar |
collection |
University of Tromsø: Munin Open Research Archive |
op_collection_id |
ftunivtroemsoe |
language |
English |
topic |
Carbon cycle Ecosystem ecology Marine chemistry VDP::Matematikk og Naturvitenskap: 400::Kjemi: 440::Miljøkjemi naturmiljøkjemi: 446 VDP::Mathematics and natural science: 400::Chemistry: 440::Environmental chemistry natural environmental chemistry: 446 |
spellingShingle |
Carbon cycle Ecosystem ecology Marine chemistry VDP::Matematikk og Naturvitenskap: 400::Kjemi: 440::Miljøkjemi naturmiljøkjemi: 446 VDP::Mathematics and natural science: 400::Chemistry: 440::Environmental chemistry natural environmental chemistry: 446 Brankovits, D. Pohlman, J.W. Niemann, Helge Leigh, M.B. Leewis, M.C. Becker, K.W. Iliffe, F.A. Lehmann, M.F. Phillips, B. Methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem |
topic_facet |
Carbon cycle Ecosystem ecology Marine chemistry VDP::Matematikk og Naturvitenskap: 400::Kjemi: 440::Miljøkjemi naturmiljøkjemi: 446 VDP::Mathematics and natural science: 400::Chemistry: 440::Environmental chemistry natural environmental chemistry: 446 |
description |
Source at https://doi.org/10.1038/s41467-017-01776-x . Subterranean estuaries extend inland into density-stratified coastal carbonate aquifers containing a surprising diversity of endemic animals (mostly crustaceans) within a highly oligotrophic habitat. How complex ecosystems (termed anchialine) thrive in this globally distributed, cryptic environment is poorly understood. Here, we demonstrate that a microbial loop shuttles methane and dissolved organic carbon (DOC) to higher trophic levels of the anchialine food web in the Yucatan Peninsula (Mexico). Methane and DOC production and consumption within the coastal groundwater correspond with a microbial community capable of methanotrophy, heterotrophy, and chemoautotrophy, based on characterization by 16S rRNA gene amplicon sequencing and respiratory quinone composition. Fatty acid and bulk stable carbon isotope values of cave-adapted shrimp suggest that carbon from methanotrophic bacteria comprises 21% of their diet, on average. These findings reveal a heretofore unrecognized subterranean methane sink and contribute to our understanding of the carbon cycle and ecosystem function of karst subterranean estuaries. |
format |
Article in Journal/Newspaper |
author |
Brankovits, D. Pohlman, J.W. Niemann, Helge Leigh, M.B. Leewis, M.C. Becker, K.W. Iliffe, F.A. Lehmann, M.F. Phillips, B. |
author_facet |
Brankovits, D. Pohlman, J.W. Niemann, Helge Leigh, M.B. Leewis, M.C. Becker, K.W. Iliffe, F.A. Lehmann, M.F. Phillips, B. |
author_sort |
Brankovits, D. |
title |
Methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem |
title_short |
Methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem |
title_full |
Methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem |
title_fullStr |
Methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem |
title_full_unstemmed |
Methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem |
title_sort |
methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem |
publisher |
Nature Publishing Group |
publishDate |
2017 |
url |
https://hdl.handle.net/10037/12310 https://doi.org/10.1038/s41467-017-01776-x |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
Nature Communications Norges forskningsråd: 223259 info:eu-repo/grantAgreement/RCN/SFF/223259/Norway/Centre for Arctic Gas Hydrate, Environment and Climate/CAGE/ Brankovits, D., Pohlman, J.W., Niemann, H., Leigh, M.B., Leewis, M.C., Becker, K.W. . Phillips, B. (2017). Methane- and dissolved organic carbon-fueled microbial loop supports a tropical subterranean estuary ecosystem. Nature Communications, 8. FRIDAID 1519817 doi:10.1038/s41467-017-01776-x 2041-1723 https://hdl.handle.net/10037/12310 |
op_rights |
openAccess |
op_doi |
https://doi.org/10.1038/s41467-017-01776-x |
container_title |
Nature Communications |
container_volume |
8 |
container_issue |
1 |
_version_ |
1766300515732291584 |