Figure 1.

Figure 2.

Figure 3.

Results of the assessment of Norway spruce crop magnitude in four excluded seed stands in the Suwałki Forest District registered in the Forest Seed Office
| YDa | Number of seed stands | ||
|---|---|---|---|
| 12b | 66a | 80i | |
| 2010 | 1 | 0 | 0 |
| 2011 | 1 | 2 | 1 |
| 2012 | 0 | 2 | 2 |
| 2013 | 2 | 0 | 0 |
| 2014 | 2 | 2 | 2 |
| 2015 | 1 | 1 | 2 |
| 2016 | 2 | 3 | 3 |
| 2017 | 2 | 0 | 0 |
| 2018 | 2 | 0 | 0 |
| 2019 | 3 | 3 | 3 |
| 2020 | 1 | 0 | 0 |
| 2021 | 1 | 1 | 1 |
| 2022 | 1 | 0 | 0 |
| 2023 | 1 | 0 | 0 |