Table 2.

Community assembly processes of polygonal ponds (site A) and trough ponds (site B) as assessed by null model based indices.

Bacteria	Polygonal (A)	Trough (B)	A versus B
NST	63.4	65.4	43.9
RC < −0.95	2.3	2.3	2
−0.95 < RC < 0.95	84.4	97.7	63
RC > 0.95	13.3	0	35
βNTI	−1.44	−0.82	−1.10

Eukaryotes	Polygonal (A)	Trough (B)	A vs. B
NST	50.6	37.5	30.2
RC < −0.95	0	13.3	0
−0.95 < RC < 0.95	64.4	84.4	38
RC > 0.95	35.5	2.2	62
βNTI	−0.22	−0.38	−0.54

βNTI: Beta Nearest Taxon Index, NST: normalized stochasticity ratio (%), RC: modified Raup‐Crick (% of pairwise comparisons within specified range). Polygonal, trough: within sites; A versus B: between sites.