Determinants of Soil Bacterial and Fungal Community Composition Toward Carbon-Use Efficiency Across Primary and Secondary Forests in a Costa Rican Conservation Area

Determinants of Soil Bacterial and Fungal Community Composition Toward Carbon-Use Efficiency... Tropical secondary forests currently represent over half of the world’s remaining tropical forests and are critical candidates for maintaining global biodiversity and enhancing potential carbon-use efficiency (CUE) and, thus, carbon sequestration. However, these ecosystems can exhibit multiple successional pathways, which have hindered our understanding of the soil microbial drivers that facilitate improved CUE. To begin to address this, we examined − + soil%C;%N;C:N ratio; soil microbial biomass C(C ); NO ;NH ;pH;%moisture;%sand, silt, andclay; mic 3 4 and elevation, along with soil bacterial and fungal community composition, and determined which soil abiotic properties structure the soil C and the soil bacterial and fungal communities across a primary forest, 33-year- mic old secondary forest, and 22-year-old young secondary in the Northern Zone of Costa Rica. We provide evidence that soil microbial communities were mostly distinct across the habitat types and that these habitats appear to have affected the soil ectomycorrhizal fungi and the soil microbial groups associated with the degradation of complex carbon compounds. We found that soil C levels increased along the management gradient from young, to old mic secondary, to primary forest. In addition, the changes in soil C and soil fungal community structure were mic significantly related http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Microbial Ecology Springer Journals

Determinants of Soil Bacterial and Fungal Community Composition Toward Carbon-Use Efficiency Across Primary and Secondary Forests in a Costa Rican Conservation Area

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Publisher
Springer US
Copyright
Copyright © 2018 by Springer Science+Business Media, LLC, part of Springer Nature
Subject
Life Sciences; Microbiology; Ecology; Microbial Ecology; Geoecology/Natural Processes; Nature Conservation; Water Quality/Water Pollution
ISSN
0095-3628
eISSN
1432-184X
D.O.I.
10.1007/s00248-018-1206-0
Publisher site
See Article on Publisher Site

Abstract

Tropical secondary forests currently represent over half of the world’s remaining tropical forests and are critical candidates for maintaining global biodiversity and enhancing potential carbon-use efficiency (CUE) and, thus, carbon sequestration. However, these ecosystems can exhibit multiple successional pathways, which have hindered our understanding of the soil microbial drivers that facilitate improved CUE. To begin to address this, we examined − + soil%C;%N;C:N ratio; soil microbial biomass C(C ); NO ;NH ;pH;%moisture;%sand, silt, andclay; mic 3 4 and elevation, along with soil bacterial and fungal community composition, and determined which soil abiotic properties structure the soil C and the soil bacterial and fungal communities across a primary forest, 33-year- mic old secondary forest, and 22-year-old young secondary in the Northern Zone of Costa Rica. We provide evidence that soil microbial communities were mostly distinct across the habitat types and that these habitats appear to have affected the soil ectomycorrhizal fungi and the soil microbial groups associated with the degradation of complex carbon compounds. We found that soil C levels increased along the management gradient from young, to old mic secondary, to primary forest. In addition, the changes in soil C and soil fungal community structure were mic significantly related

Journal

Microbial EcologySpringer Journals

Published: Jun 1, 2018

References

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