Single-tree influence of Tectona grandis Linn. f. on plant distribution and soil characteristics in a planted forest

Ikhajiagbe, Beckley; Ogwu, Matthew Chidozie; Lawrence, Adebayo Emmanuel

doi:10.1186/s42269-020-00285-0

Bulletin of the National Research Centre

Table 8 Statistical differences between plant abundance within and outside tree canopy

From: Single-tree influence of Tectona grandis Linn. f. on plant distribution and soil characteristics in a planted forest

S/N	Plant identity	Under canopy (< 1.5 m)			Outside canopy demarcation (> 1.5 m)			t value	p value
S/N	Plant identity	Mean	SD	CV	Mean	SD	CV	t value	p value
1	Eleusine indica	6	5	73	19	484	115	− 1.27	0.239
2	cynodon dactylon	71	28	39	326	27900	51	− 3.37	*0.01*
3	Axonopus compressus	4	3	57	20	105	51	− 3.35	*0.01*
4	Anthropogon gayanus	11	0	4	64	1810	66	− 2.8	*0.023*
5	Commelina diffusa	1	2	149	22	293	76	− 2.75	*0.025*
6	Aneilema beniniense	3	6	191	31	389	63	− 3.03	*0.016*
7	Aneilema aequinoctiale	4	5	141	38	481	57	− 3.43	*0.009*
8	Triumfetta cordifolia	1	1	224	0	0	0	1	0.347
9	Sida garckeana	0	0	224	7	23	69	− 3.16	*0.013*
10	Schrankia leptocarpa	1	3	224	4	19	104	− 1.31	0.228
11	Daniella oliveri	1	3	224	2	5	144	− 0.25	0.807
12	Anthonotha macrophylla	5	3	63	34	296	50	− 3.79	*0.005*
13	Reissantia indica	0	0	0	10	32	56	− 3.98	*0.004*
14	Brachiaria deflexa	42	49	117	108	2387	45	− 2.16	0.063
15	Mallotus oppositifolius	2	4	224	49	1813	87	− 2.48	*0.038*
16	Euphorbia hirta	1	2	137	27	249	59	− 3.61	*0.007*
17	Alchornea laxiflora	12	1	11	172	1180	20	− 10.4	*< 0.001*
18	Alchornea cordifolia	6	2	29	58	18	7	− 25.4	*< 0.001*
19	Momordica charantia	0	0	0	3	10	120	− 1.86	0.101
20	Combretum hispidum	5	2	37	18	141	65	− 2.5	0.037
21	Newbouldia laevis	3	2	56	13	30	41	− 3.97	0.004
22	Tridax procumbens	0	1	137	7	33	87	− 2.41	0.043
23	Synedrella nodiflora	12	3	29	27	525	85	− 1.49	0.175
24	Chromolaena odorata	1	2	148	16	96	61	− 3.27	*0.011*
25	Ageratum conyzoides	3	4	150	23	1883	190	− 1.03	0.335
26	Gomphrena celosioides	5	3	62	26	162	49	− 3.62	0.007
27	Panicum laxum	6	4	74	209	39984	96	− 2.27	0.053
28	Aspilia Africana	1	1	81	11	263	142	− 1.38	0.206
29	Ludwigia abyssinica	4	3	69	24	602	101	− 1.81	0.108
30	Icacina trichantha	1	2	148	17	98	60	− 3.36	*0.011*
31	Oplismenus burmannii	41	33	82	105	3426	56	− 2.13	0.066
32	Paspalum conjugatum	11	4	36	100	2553	50	− 3.96	*0.004*
33	Setaria barbata	3	2	71	22	309	78	− 2.42	0.042
34	Phyllanthus amarus	2	2	138	30	102	34	− 6.01	*< 0.001*
35	Sorghum arundinaceum	1	1	224	53	129	21	− 10.3	*< 0.001*
36	Smilax anceps	5	2	28	16	168	79	− 1.88	0.096

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