Table 3.

Tree program elements in municipalities differing in population size, and likelihood of adding elements within 3 years.^{^z}

			Population category
Program element exists	Less than 2,500	2,501–5,000	5,001–10,000	10,001–20,000	Greater than 20,000
Ordinance^***	45	59	59	67	80
Management plan^*	25	29	38	26	42
ISA Certified Arborist^**	18	11	26	26	40
Tree City USA^***	23	12	28	37	48
Arbor Day^***	21	16	34	46	51
Element likely to be added Ordinance^***	19	19	22	18	13
Management plan^*	36	46	31	45	38
ISA Certified Arborist^**	22	24	15	16	17
Tree City USA^***	17	29	20	17	21
Arbor Day^***	22	39	23	17	21
Number of respondents	129–132	94–108	104–111	70–79	58–61