Note, for some species, yearly totals are adjusted. Adjustments were made in order to increase comparability between years depending on observation period, observer efforts etc. See methodoly for further explanation.
The chart |
|
Bars | Season total |
Filled circles |
Five-year rolling averages |
*** | p<0.001 |
** | p<0.01 |
* | p<0.05 |
Period | Average |
---|---|
1970-1979 | 41 |
1980-1989 | 189 |
1990-1999 | 817 |
2000-2009 | 1 807 |
2010-2019 | 3 231 |
2020-2024 | 4 770 |
Grand total all years: 79 810
Number of years the species has been recorded: 52
Spearman's rank correlation: 0.980 ***