The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.
Consistent effects of nitrogen fertilization on soil bacterial communities in contrasting systems
Open accessAbstract
Ecosystems worldwide are receiving increasing amounts of reactive nitrogen (N) through anthropogenic activities. Although the effects of increased N inputs on plant communities have been reasonably well studied, few comparable studies have examined impacts on whole soil bacterial communities, though they play critical roles in ecosystem functioning. We sampled soils from two long‐term ecological research (LTER) experimental N gradients, both of which have been amended with NH 4 NO 3; a grassland at Cedar Creek (27 years of N additions) and an agricultural field at Kellogg Biological Station (8 years of N additions). By examining shifts in bacterial communities across these contrasting ecosystem types, we could test competing hypotheses about the direct and indirect factors that might drive bacterial responses to elevated N inputs. Bacterial community structure was highly responsive to N additions. We observed predictable and consistent changes in the structure of the bacterial communities across both ecosystem types. Our results suggest that bacterial communities across these gradients are more structured by N and/or soil carbon availability than by shifts in the plant community or soil pH associated with the elevated nitrogen inputs. In contrast to the pronounced shifts in bacterial community composition and in direct contrast to the patterns often observed in plant communities, increases in N availability did not have consistent effects on the richness and diversity of soil bacterial communities.
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Cites
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Self-citationThe diversity and biogeography of soil bacterial communities
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TOWARD AN ECOLOGICAL CLASSIFICATION OF SOIL BACTERIA
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Self-citationNitrogen limitation on land and in the sea: How can it occur?
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Self-citationNITROGEN LIMITATION OF NET PRIMARY PRODUCTIVITY IN TERRESTRIAL ECOSYSTEMS IS GLOBALLY DISTRIBUTED
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Cited by
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Self-citationConsistent effects of nitrogen amendments on soil microbial communities and processes across biomes
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Metadata
- Authors
- Ramirez, K. S., Lauber, C. L., Knight, R., Bradford, M. A., & Fierer, N.
- Venue
- Ecology
- Publisher
- Wiley
- Published
- 2010-12
- Volume
- 91
- Issue
- 12
- Pages
- 3463-3470
- ISSN
- 0012-9658 (ISSN-L)
- 1939-9170
- OpenAlex
- W2166571569
- Cited by
- 578
- References
- 37
- FWCI
- 26.54
- Type
- journal article
- Language
- en
- Open access
- bronze
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