Unusual Size / Abundance | 3 | |
Death / Die-off / Decline | 1 | |
Drought | 1 | |
Extreme Temperature | 1 | |
Infestation | 1 | |
Parasite | 1 | |
Pollution | 1 | |
Pathogen | 1 |
1 | 1 | 2 | 1 |
|
|
|
|
1 | 3 | 1 |
|
|
|
SUMMER | 4 | |
SPRING | 1 |