Acacia sieberiana Effects on Soil Properties and Plant Diversity in Songa Pastures, Rwanda

Table 5

Populations of 11 plant species recorded under canopies of A. sieberiana trees in Songa pastures, southern Rwanda.

Species\tree no.	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	Mean
Setaria homonyma	683	1037	115	806	972	637	1210	395	528	478	1001	240	826	816	594	756	693
Tagetes minuta	525	213	321	80	304	250	129	107	215	420	347	291	226	185	336	183	258
Galinsoga parviflora	182	0	197	12	203	168	83	27	65	39	78	107	128	85	48	75	94
Achyranthes aspera	17	60	194	67	101	29	46	29	73	66	48	125	78	48	29	92	69
Leonotis nepetifolia	88	11	38	8	71	59	32	90	74	54	27	46	56	82	96	63	56
Asystasia gangetica	91	24	12	0	26	37	31	26	9	28	18	5	16	32	26	30	26
Bidens pilosa	0	0	0	16	0	4	0	0	1	1	0	0	0	0	0	0	1
Cyathula uncinulata	0	13	0	0	0	0	0	0	3	0	0	0	4	0	0	0	1
Rubia cordifolia	0	0	1	0	0	0	0	0	0	1	1	2	0	0	5	0	1
Conyza sumatrensis	0	0	1	0	0	0	0	0	0	0	0	2	0	0	0	0	0.2
Acacia sieberiana	0	0	0	0	0	0	0	0	1	0	0	0	1	0	0	0	0.1