Urban forest change detection in Endayesus area, Tigray, Ethiopia

Figures & data

Figure 1. Study area.

Figure 2. Temperature and rainfall trend of the study area.

Table 1. Land cover of Endayesus catchment over the years by Hectare

		Coverage
		1965		1994		2009
R.N.	Land cover type	Ha	%	Ha	%	Ha	%
1	Bare land	443	51.60	179.0	20.85	54.7	6.37
2	Built up	27.5	3.20	28.9	3.37	170.7	19.88
3	Bush land	49.6	5.78	106.7	12.43	23.4	2.73
4	Dense forest	5.5	0.64	9.1	1.06	15.9	1.85
5	Farm land	313.4	36.51	191.3	22.28	177.4	20.66
6	Sparse forest	12.8	1.49	198.8	23.16	256.3	29.86
7	Scattered trees	6.7	0.78	144.7	16.85	160.1	18.65
		858.5	100	858.5	100	858.5	100
	All vegetation	74.6	8.69	459.3	53.5	455.7	53.08
	Dense + Sparse forest	18.3	2.13	207.9	24.22	272.2	31.71

Figure 3. L/cover map of E/catchment for 1965.

Figure 4. L/cover map of E/catchment—1994.

Figure 5. L/cover map of E/catchment for 2009.

Table 2. Land cover change in Endayesus catchment over years

		Variation
		1965–1994		1994–2009		1965–2009
R.N.	Land cover type	Ha	%	Ha	%	ha	%
1	Bare land	−264	−59.59	−124.3	−69.44	−388.3	−87.65
2	Built up	+1.4	+5.09	+141.8	+490.66	+143.2	+520.73
3	Bush land	+57.1	+115.12	−83.3	−78.07	−26.2	−52.82
4	Dense forest	+3.6	+65.45	+6.8	+74.73	+10.4	+189.10
5	Farm land	−122.1	−38.96	−13.9	−0.07	−136.0	−43.40
6	Sparse forest	+186	+1453.13	+57.5	+28.92	+243.5	+1902.34
7	Scattered trees	+138	+2059.70	+15.4	+10.64	+153.4	+2289.55
	All vegetation	+384.7	+515.68	−3.6	−0.78	+381.1	+510.8
	Dense + Sparse forest	+189.6	+1036.0	+64.3	+30.93	+253.9	+1387.43

Table 3. Role of urban forestry activities in enhancing forest cover of Endayesus

R.N.	Level of contribution	Forestry activities
			Plantation	Area closure	Tree maintenance & care	Public education	Enforcing local bylaws
1	Very high	F	42	61	39	27	21
		%	22.3	32.4	20.7	14.4	11.2
2	High	F	36	65	27	62	22
		%	19.1	34.6	14.4	33	11.7
3	Medium	F	74	34	56	61	44
		%	39.4	18.1	29.8	32.4	23.4
4	Low	F	30	22	46	28	44
		%	16	11.7	24.5	14.9	23.4
5	Very low	F	3	4	15	6	46
		%	1.6	2.1	8	3.2	24.5
6	No contribution	F	3	2	5	4	11
		%	1.6	1.1	2.7	2.1	5.9
Weighted average		%	56.65	63.39	51.24	55.67	40.69