Table 3.
NNT - Number of non-native tree species out of the 23 investigated tree species known to occur in a country; NA - Number of cases where non-native trees are known to occur in a country, but are without biotic threats entry in our database; Number of database entries for pathogens, insects and other organisms groups per country and total number of entries per country.
| Country | NNT | NAs | Pathogens | Insects | Other | Total number of entries |
|---|---|---|---|---|---|---|
| AT | 13 | 1 | 51 | 50 | 12 | 113 |
| BA | 4 | 1 | 6 | 9 | 0 | 15 |
| BE-WAL | 4 | 7 | 13 | 11 | 0 | 24 |
| BG | 9 | 4 | 14 | 16 | 0 | 30 |
| CH | 11 | 1 | 43 | 78 | 6 | 127 |
| CZ | 14 | 1 | 52 | 38 | 4 | 94 |
| DE | 18 | 0 | 94 | 125 | 25 | 244 |
| DK | 12 | 3 | 22 | 33 | 0 | 55 |
| EE | 8 | 0 | 17 | 10 | 4 | 31 |
| ES | 10 | 2 | 39 | 63 | 3 | 105 |
| FI | 6 | 1 | 11 | 28 | 4 | 43 |
| FR | 15 | 7 | 28 | 59 | 15 | 102 |
| GB | 18 | 1 | 290 | 120 | 4 | 414 |
| GR | 8 | 1 | 14 | 24 | 1 | 39 |
| HU | 1 | 11 | 18 | 13 | 7 | 38 |
| IE | 7 | 2 | 14 | 6 | 2 | 22 |
| IT | 14 | 5 | 57 | 42 | 8 | 107 |
| LT | 8 | 1 | 12 | 7 | 2 | 21 |
| NO | 10 | 0 | 47 | 17 | 11 | 75 |
| PL | 10 | 7 | 25 | 105 | 2 | 132 |
| PT | 8 | 0 | 33 | 18 | 1 | 52 |
| RO | 8 | 6 | 17 | 45 | 4 | 66 |
| RS | 15 | 0 | 43 | 45 | 9 | 97 |
| SE | 8 | 1 | 10 | 21 | 2 | 33 |
| SI | 14 | 1 | 37 | 44 | 1 | 82 |
| SK | 15 | 3 | 28 | 53 | 2 | 83 |
| UA | 8 | 4 | 9 | 49 | 2 | 60 |