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Table 1 Spearman rank correlations of the ratio of relative abundance of non-neutrally distributed (sum of above-prediction and below-prediction) ZOTUs to that of neutrally distributed ZOTUs (defined by the neutral model) with niche breadth, alpha diversity indices (including phylogenetic diversity, ZOTU richness, and Shannon–Wiener index), relative abundance of bacteria groups, and the features of microbial associations (including |negative cohesion|, positive cohesion, cohesion ratio (|negative cohesion/positive cohesion|), modularity, and average degree)

From: Taxonomic dependency and spatial heterogeneity in assembly mechanisms of bacteria across complex coastal waters

Ecological features

Non-neutral-to-neutral ratio

ρ

P

Niche breadth

− 0.477

 < 0.001

Phylogenetic diversity

− 0.014

0.740

ZOTU richness

0.244

 < 0.001

Shannon–Wiener index

0.500

 < 0.001

Relative abundance

− 0.355

 < 0.001

|Negative cohesion|

0.381

 < 0.001

Positive cohesion

− 0.384

 < 0.001

Cohesion ratio

0.406

 < 0.001

Modularity

0.381

 < 0.001

Average degree

− 0.150

0.008

  1. Data in bold indicate significant correlations (P < 0.001)