. 2019 Dec;102:54–64. doi: 10.1016/j.envsci.2019.08.016

Table 3.

ES values and ES index by district (street trees of the municipality of Barcelona, year 2015). Note: neighborhoods are ranked based on the ES index.

District	Air purification			Runoff mitigation			Urban temp. regulation			ES index
	kg yr⁻¹	kg yr⁻¹ ha⁻¹	g yr⁻¹ tree⁻¹	m³ yr⁻¹	m³ yr⁻¹ ha⁻¹	l yr⁻¹ tree⁻¹	m³ yr⁻¹	m³ yr⁻¹ ha⁻¹	l yr⁻¹ tree⁻¹	Average value
Eixample	4878	6.52	200	9380	12.55	385	146,383	195.79	6014	15.60
Sant Martí	5747	5.46	156	10,735	10.20	292	172,481	163.90	4686	12.04
Sants-Montjuïc	3569	1.56	150	6776	2.95	285	106,883	46.59	4494	11.62
Nou Barris	3140	3.90	147	5836	7.26	274	94,159	117.09	4414	11.33
Les Corts	2273	3.78	134	4253	7.07	251	68,163	113.27	4021	10.34
Ciutat Vella	897	2.05	126	1672	3.83	234	26,911	61.60	3771	9.68
Sant Andreu	2563	3.90	124	4772	7.27	231	76,828	117.02	3726	9.57
Horta-Guinardó	2342	1.96	115	4349	3.64	214	70,204	58.76	3457	8.87
Sarrià-Sant Gervasi	1772	0.88	112	3323	1.65	209	53,124	26.44	3343	8.60
Gràcia	842	2.01	102	1571	3.75	191	25,273	60.38	3073	7.89
Barcelona (total/*avg.)	28,023	*2.74	*143	52,668	*5.16	*270	840,408	*82.26	*4301	*10.55