A Refined Methodology for Defining Plant Communities Using Postagricultural Data from the Neotropics

Table 2

Half-matrix containing the number of significant positive spearman rank correlation coefficients among all plant species in a Puerto Rican pasture for each year over the first 10 years of succession, with a maximum of ten. Plant species and families are (1) Bromelia spp., (2) Guarea guidonia, (3) Ocotea leucoxylon, (4) Citrus frutius, (5) Syzygium jambos, (6) Desmodium spp., (7) Gleichenia bifida, (8) Inga laurina, (9) Citrus limon, (10) Casearia sylvestris, (11) Prestoea montana, (12) Calophyllum calaba, (13) Miconia prasina, (14) Eugenia pseudopsidium, (15) Tabebuia heterophylla, (16) Eugenia malaccensis, (17) Piper hispidum, (18) Andira inermis, (19) Psychotria brachiata, (20) Miconia racemosa, (21) Psychotria berteriana, (22) Xanthosoma spp., (23) Clidemia hirta, (24) Panicum spp., (25) Myrcia splendens, and (26) Ocotea sintenisii.

	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26
1	1	1		2		1		2		1	3			2			1								2
2		6	2	7	2	3			2	5	2	1		3				1	1	3	1	2	2	4	2
3			1	3		1	1	2	4	2	3	1	3	2	3							2	4	4	2
4				1	2	2			1	1	1		1	1		2	1		1
5					1	1	4	2		5	7	2	1	2	2		1		2	2	3	1	4	3	2
6						2		1		1							1					1	1
7							1	2	2	1	4				1	1		3		1		1	2		1
8										5		1	3		4			1		1	1	1			2
9										2	1	1		2	1	3	1	1	1			1	1	1	5
10											2		2	2	1			5					2	2	2
11														2	2	2	1	1	1	2		3	1	2	3
12												2	1	1	2	1			3				2	3	1
13														4	2		1	4	1			2	1
14														2	1					1		2	2
15																			1		1				1
16																			1			2	1	3	1
17
18																						2
19																				1		1
20																					1	4		2	1
21
22																							2	2
23																									1
24																								4	1
25																									1
26