Long-Term Warming in Alaska Enlarges the Diazotrophic Community in Deep Soils.

mBio · 2019 · PMC6391920 · PMID 30808694

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a decreasing trendno p-value reported

The relative abundances of nifH OTUs in cluster 1 showed a decreasing trend with soil depth (23.9%, 41.8%, 31.5%, and 2.7% sequences in the 4 layers), while cluster 2 increased with depth (0.7%, 9.1%, 32.2%, and 58.0% sequences in the 4 layers).

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