Grass-Shrub Associations over a Precipitation Gradient and Their Implications for Restoration in the Great Basin, USA.

However, the effect appeared to be stronger at lower annual rainfall as evidenced by a marginally significant (p = 0.06) effect of the interaction between shrub microsite and rainfall on mean E . elymoides cover ( Table 1 ; Fig 3b ).

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spicata height ( Table 1 ; Fig 6b ; S1 File ), although average height showed a trend of being highest in canopy microsites, followed by edge and interspace microsites: canopy x ̄ = 28.8 cm ( σ x ̄ = 2.4 ) , edge x ̄ = 27.6 cm ( σ x ̄ = 2.5 ) interspace x ̄ = 22.8 cm (σ x ̄ = 2.3) .

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