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Peat Properties, Dominant Vegetation Type and Microbial Community Structure in a Tropical Peatland

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Peat Properties, Dominant Vegetation Type and Microbial Community Structure in a Tropical Peatland. / Girkin, N.T.; Lopes dos Santos, R.A.; Vane, C.H.; Ostle, N.; Turner, B.L.; Sjögersten, S.

In: Wetlands, Vol. 40, 01.10.2020, p. 1367–1377.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Girkin, NT, Lopes dos Santos, RA, Vane, CH, Ostle, N, Turner, BL & Sjögersten, S 2020, 'Peat Properties, Dominant Vegetation Type and Microbial Community Structure in a Tropical Peatland', Wetlands, vol. 40, pp. 1367–1377. https://doi.org/10.1007/s13157-020-01287-4

APA

Girkin, N. T., Lopes dos Santos, R. A., Vane, C. H., Ostle, N., Turner, B. L., & Sjögersten, S. (2020). Peat Properties, Dominant Vegetation Type and Microbial Community Structure in a Tropical Peatland. Wetlands, 40, 1367–1377. https://doi.org/10.1007/s13157-020-01287-4

Vancouver

Girkin NT, Lopes dos Santos RA, Vane CH, Ostle N, Turner BL, Sjögersten S. Peat Properties, Dominant Vegetation Type and Microbial Community Structure in a Tropical Peatland. Wetlands. 2020 Oct 1;40:1367–1377. https://doi.org/10.1007/s13157-020-01287-4

Author

Girkin, N.T. ; Lopes dos Santos, R.A. ; Vane, C.H. ; Ostle, N. ; Turner, B.L. ; Sjögersten, S. / Peat Properties, Dominant Vegetation Type and Microbial Community Structure in a Tropical Peatland. In: Wetlands. 2020 ; Vol. 40. pp. 1367–1377.

Bibtex

@article{5979a93d9acb45a3aa8fdce83fc84eaa,
title = "Peat Properties, Dominant Vegetation Type and Microbial Community Structure in a Tropical Peatland",
abstract = "Tropical peatlands are an important carbon store and source of greenhouse gases, but the microbial component, particularly community structure, remains poorly understood. While microbial communities vary between tropical peatland land uses, and with biogeochemical gradients, it is unclear if their structure varies at smaller spatial scales as has been established for a variety of peat properties. We assessed the abundances of PLFAs and GDGTs, two membrane spanning lipid biomarkers in bacteria and fungi, and bacteria and archaea, respectively, to characterise peat microbial communities under two dominant and contrasting plant species, Campnosperma panamensis (a broadleaved evergreen tree), and Raphia taedigera (a canopy palm), in a Panamanian tropical peatland. The plant communities supported similar microbial communities dominated by Gram negative bacteria (38.9–39.8%), with smaller but significant fungal and archaeal communities. The abundance of specific microbial groups, as well as the ratio of caldarchaeol:crenarchaeol, isoGDGT: brGDGTs and fungi:bacteria were linearly related to gravimetric moisture content, redox potential, pH and organic matter content indicating their role in regulating microbial community structure. These results suggest that tropical peatlands can exhibit significant variability in microbial community abundance even at small spatial scales, driven by both peat botanical origin and localised differences in specific peat properties. {\textcopyright} 2020, The Author(s).",
keywords = "GDGT, Microbial community structure, PLFA, Tropical peat, Wetland",
author = "N.T. Girkin and {Lopes dos Santos}, R.A. and C.H. Vane and N. Ostle and B.L. Turner and S. Sj{\"o}gersten",
year = "2020",
month = oct,
day = "1",
doi = "10.1007/s13157-020-01287-4",
language = "English",
volume = "40",
pages = "1367–1377",
journal = "Wetlands",
issn = "0277-5212",
publisher = "Springer Netherlands",

}

RIS

TY - JOUR

T1 - Peat Properties, Dominant Vegetation Type and Microbial Community Structure in a Tropical Peatland

AU - Girkin, N.T.

AU - Lopes dos Santos, R.A.

AU - Vane, C.H.

AU - Ostle, N.

AU - Turner, B.L.

AU - Sjögersten, S.

PY - 2020/10/1

Y1 - 2020/10/1

N2 - Tropical peatlands are an important carbon store and source of greenhouse gases, but the microbial component, particularly community structure, remains poorly understood. While microbial communities vary between tropical peatland land uses, and with biogeochemical gradients, it is unclear if their structure varies at smaller spatial scales as has been established for a variety of peat properties. We assessed the abundances of PLFAs and GDGTs, two membrane spanning lipid biomarkers in bacteria and fungi, and bacteria and archaea, respectively, to characterise peat microbial communities under two dominant and contrasting plant species, Campnosperma panamensis (a broadleaved evergreen tree), and Raphia taedigera (a canopy palm), in a Panamanian tropical peatland. The plant communities supported similar microbial communities dominated by Gram negative bacteria (38.9–39.8%), with smaller but significant fungal and archaeal communities. The abundance of specific microbial groups, as well as the ratio of caldarchaeol:crenarchaeol, isoGDGT: brGDGTs and fungi:bacteria were linearly related to gravimetric moisture content, redox potential, pH and organic matter content indicating their role in regulating microbial community structure. These results suggest that tropical peatlands can exhibit significant variability in microbial community abundance even at small spatial scales, driven by both peat botanical origin and localised differences in specific peat properties. © 2020, The Author(s).

AB - Tropical peatlands are an important carbon store and source of greenhouse gases, but the microbial component, particularly community structure, remains poorly understood. While microbial communities vary between tropical peatland land uses, and with biogeochemical gradients, it is unclear if their structure varies at smaller spatial scales as has been established for a variety of peat properties. We assessed the abundances of PLFAs and GDGTs, two membrane spanning lipid biomarkers in bacteria and fungi, and bacteria and archaea, respectively, to characterise peat microbial communities under two dominant and contrasting plant species, Campnosperma panamensis (a broadleaved evergreen tree), and Raphia taedigera (a canopy palm), in a Panamanian tropical peatland. The plant communities supported similar microbial communities dominated by Gram negative bacteria (38.9–39.8%), with smaller but significant fungal and archaeal communities. The abundance of specific microbial groups, as well as the ratio of caldarchaeol:crenarchaeol, isoGDGT: brGDGTs and fungi:bacteria were linearly related to gravimetric moisture content, redox potential, pH and organic matter content indicating their role in regulating microbial community structure. These results suggest that tropical peatlands can exhibit significant variability in microbial community abundance even at small spatial scales, driven by both peat botanical origin and localised differences in specific peat properties. © 2020, The Author(s).

KW - GDGT

KW - Microbial community structure

KW - PLFA

KW - Tropical peat

KW - Wetland

U2 - 10.1007/s13157-020-01287-4

DO - 10.1007/s13157-020-01287-4

M3 - Journal article

VL - 40

SP - 1367

EP - 1377

JO - Wetlands

JF - Wetlands

SN - 0277-5212

ER -