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Table 1 Results of permutation analysis to relate through RDA the number of A. dealbata´s seeds captured in the river with (A) presence of adult individuals of the same species at each site and (B) hydraulic characteristics at each sampled point. Significant results are highlighted in bold

From: Rivers as a potential dispersing agent of the invasive tree Acacia dealbata

Predictor variables to RDA

RDA1

P perm

(A) Seed pressure from floodplain

Abundance of individuals within 45 m

-0.015

0.978

Abundance of individuals within 30 m

-0.117

0.759

Abundance of individuals within 15 m

-0.164

0.644

Median DBH of individuals within 45 m

-0.295

0.406

Median DBH of individuals within 30 m

-0.184

0.636

Median DBH of individuals within 15 m

0.510

0.104

(B) Hydraulic characteristics

Reynolds number

0.670

0.011

Froude number

0.448

0.170

Flow velocity

0.539

0.073

Flow depth

-0.184

0.679