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

Table 6

Half-matrix containing the number of significant positive spearman rank correlation coefficients among all plant species in the Ecuador left sugarcane plantation for each year over the first 10 years of succession. Plant species and families are: (1) Musa spp., (2) Costus spp., (3) Cuphea carthagenensis, (4) Digitaria sanguinalis, (5) Miconia spp., (6) Piper spp., (7) Rubus spp., (8) Sida rhombifolia, (9) Asteraceae, (10) Baccharis spp., (11) Polypodiaceae, (12) Lantana camara, (13) Vernonia patens, (14) Acalypha pladichephalus, (15) Solanum spp., (16) Saccharum officinarum, (17) Piper aduncum, (18) Verbenaceae, (19) Commelina diffusa, (20) Erythrina megistophyllta, (21) Nectandra spp., (22) Altus spp., (23) Orchidaceae, (24) Polybotrya spp., (25) Vernonia spp., and (26) Polypodiaceae.

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