Carbon Stocks in the Small Estuarine Mangroves of Geza and Mtimbwani, Tanga, Tanzania

Table 1

Forest stand characteristics for Geza and Mtimbwani mangroves.

Site	Species	Frequency	Density (stems ha)	Basal area; (m ha)	Seedlings/saplings (counts ha)	Relative			Importance value
						Frequency	Density	Dominance
Geza	A. marina	12	406	10.22	778	28.57	23.32	59.37	111.26
	B. gymnorrhiza	2	27	0.24	17	4.76	1.52	1.39	7.67
	C. tagal	10	231	0.43	531	26.19	13.26	2.49	41.94
	R. mucronata	11	1026	5.82	1219	26.19	58.99	33.78	118.97
	S. alba	3	13	0.11	0	7.14	0.76	0.67	8.57
	X. granatum	3	37	0.4	24	7.14	2.13	2.31	11.59
	Total		1740	17.21	2569	100	100	100	300
Mtimbwani	A. marina	12	621	20.78	326	26.09	26.59	68.64	121.31
	B. gymnorrhiza	4	80	0.49	35	8.7	3.41	1.63	13.73
	C. tagal	8	536	3.51	238	17.39	22.95	11.59	51.93
	R. mucronata	11	976	4.49	483	23.91	41.82	14.83	80.56
	S. alba	6	27	0.18	18	13.04	1.14	0.58	14.76
	X. granatum	5	95	0.83	44	10.87	4.09	2.74	17.7
	Total		2334	30.27	1144	100	100	100	300