A listing of derived word cloud terms and their relative occurrence across three decades within the Journal of Arboriculture and Arboriculture & Urban Forestry. Data was developed from titles and keywords. Note: in 2000–2009, the word “tree” (439 occurrences) and the word “urban” (224 occurrences) were dropped from table ranking, but appear in the actual word cloud for that decade 40th and 68th in relevance, respectively. In 2010–2019, the word “root” (168 occurrences) was similarly dropped from table ranking, but appears in that decade’s word cloud 61st in relevance.
| Terms developed | Occurrence count (decade rank) | |||
|---|---|---|---|---|
| Rank overall | 1990–1999 | 2000–2009 | 2010–2019 | |
| urban forest | 165 | 45 (1) | 70 (2) | |
| street tree | 141 | 40 (2) | 59 (1) | 42 (3) |
| urban tree | 135 | 20 (3) | 42 (3) | 73 (1) |
| urban forestry | 102 | 10 (8) | 57 (2) | 35 (4) |
| tree growth | 50 | 20 (4) | ||
| acer rubrum | 44 | 25 (6) | ||
| community forestry | 43 | 31 (5) | ||
| emerald ash borer | 42 | 30 (5) | ||
| root growth | 40 | 21 (8) | ||
| tree species | 37 | 8 (10) | ||
| landscape tree | 34 | 13 (5) | ||
| tree planting | 30 | |||
| united states | 29 | |||
| plant health (care) | 26 | 23 (7) | ||
| tree growth regulator | 11 (6) | |||
| tree root | 26 | 11 (7) | ||
| green ash | 9 (9) | |||
| decay | 33 (4) | |||
| u.s. | 25 (6) | |||
| herbicide | 21 (9) | |||
| vegetation management | 18 (10) | |||
| anchorage | 21 (7) | |||
| fraxinus | 20 (8) | |||
| tree inventory | 19 (9) | |||
| root pruning | 19 (10) | |||