Table 8 The survival pressure of B. racemosa in SX-A community.

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

D. trifoliata

-

30.00%

11.25 ± 3.22a

33.76

44.89

I. cairica

-

8.00%

2.13 ± 0.68b

6.4

A. aureum

-

60.00%

1.19 ± 0.11b

3.58

B. racemosa

38.46%

-

0.21 ± 0.19b

0.65

E. camaldulensis

38.46%

-

0.12 ± 0.21b

0.36

P. karka

23.08%

-

0.40 ± 0.26b

0.12

C. odorata

-

2.00%

0.01 ± 0.00b

0.04

  1. The data in the table were calculated based on 5 sample trees; SX-A: Suixi county B. racemosa-A. aureum community; PIij: Individual plant survival pressure index; PIit: Population survival pressure index; PIi: Community survival pressure index; SD: standard deviation.
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