Table 6 Survival pressure of B. racemosa in SX-B community in Chengyue river in Suixi County.

From: Interspecific competition and survival pressures in endangered Barringtonia racemosa populations of Mainland China

Competing tree species

Trees proportion

Coverage area proportion

PIij (Mean ± SD)

PIit

PIi

I. cairica

-

1.00%

1.62 ± 0.78 a

4.86

14.64

M. micrantha

-

3.00%

1.55 ± 0.89 ab

4.64

B. racemosa

100.00%

-

1.09 ± 0.10 ab

3.27

D. trifoliata

-

4.00%

0.55 ± 0.08 bc

1.64

A. aureum

-

2.00%

0.08 ± 0.02 c

0.23

  1. The data in the table were calculated based on 15 B. racemosa sample trees; SX-B: Suixi county B. racemosa community; PIij: Individual plant survival pressure index; PIit: Population survival pressure index; PIi: Community survival pressure index; SD: standard deviation.
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