Supplementary material sections S1 Effects of rainfall pattern on the growth and fecundity of a dominant dune annual in a semi-arid ecosystem




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Supplementary material sections S1
Effects of rainfall pattern on the growth and fecundity of a dominant dune annual in a semi-arid ecosystem

Ruiru Gao ·Xuejun Yang,· Guofang Liu · Zhenying Huang · Jeffery L. Walck


S1 Analysis of experimental data in 2012

Table Results of two-way ANOVAs for the effects of rainfall amount and frequency on Agriophyllum squarrosum. Explained variation (the effect size) is given by partial eta squared values (η2).






Amount

Frequency

Amount × frequency

P-value

η2

P-value

η2

P-value

η2

Vegetative traits



















Height

0.000

0.158

0.000

0.203

0.852

0.017

Biomass

0.000

0.202

0.000

0.247

0.021

0.095

Root/shoot ratio

0.210

0.023

0.000

0.150

0.254

0.056

Reproductive traits



















Seed number

0.000

0.165

0.000

0.149

0.234

0.021

Seed mass

0.022

0.049

0.002

0.074

0.000

0.152

Reproductive effort

0.015

0.053

0.535

0.011

0.028

0.091

Offspring trait



















Seed germination

0.015

0.145

0.001

0.172

0.108

0.074

Our analyses found that the effects of variations in rainfall pattern on these traits in 2012 were similar to those in 2011.


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