Ecological constraints and evolutionary trade-offs shape nitrogen fixation across habitats.

ISME Commun · 2026 · PMC12903952 · PMID 41696021

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marginally significantP = .066so close (0.05 < p ≤ 0.1)

Both traits showed positive relationships with N 2 fixation gene number, significant for metabolic coverage ( R 2 = 0.006, P = 0.025) and marginally significant for habitat coverage ( R 2 = 0.004, P = .066) ( Supplementary Figs. 4C and D , 5C and D ).

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