Comparisons for factor: year (2006 vs. 2005) within species (P < 0·05).

Species	t	P
1. Crescentia alata	3·4	<0·01
2. Tabebuia rosea	0·3	0·81
3. Ceiba pentandra	1·5	0·15
4. Cochlospermum vitifolium	0·6	0·56
5. Ipomoea wolcottiana	0·1	0·95
6. Acacia farnesiana	0. 4	0·69
7. Acacia sp.	0·8	0·41
8. Apoplanesia paniculata	0·1	0·97
9. Caesalpinia coriaria	0·3	0·79
10. Caesalpinia eriostachys	0·2	0·85
11. Caesalpinia platyloba	5·5	<0·01
12. Enterolobium cyclocarpum	26·4	<0·01
13. Lonchocarpus eriocarinalis	1·0	0·34
14. Pithecellobium dulce	2·1	0·04
15. Gyrocarpus jatrophifolius	0·8	0·41
16. Swietenia humilis	8·0	<0·01
17. Coccoloba barbadensis	1·1	0·30
18. Ruprechtia fusca	0·1	0·90
19. Hintonia latiflora	0·0	1·00