Published data
Monitoring projects
European countries
Publications
Years of expierence
km2 examined area
Xerophilous-grasslands
About 18% of all butterfly species in Central Europe inhabit gypsum, chalk or limestone grasslands. While these habitats are quite common over the Mediterranean, they become rarer, more isolated…
Railway lines – a way to restore biodiversity
In 2015, the Italian Journal of Zoology published a scientific article entitled „Railway tracks can have great value for butterflies as a new alternative habitat”, in which two Polish…
25 years later – Summary
It transpired that urban areas which were suburban 25 years ago have not only seen a decrease in the number of butterflies from 158 to 135 but also a…
25 years later – bloom
On May 3, 2023, we conducted the second field visit as part of the „25 years later” series. Our goal was the same small mixed forest near the flood…
25 years later – after overwintering
What were some of the positive observations made during the field visit in the mixed forest near the floodplain meadow within the city of Łódź as part of the…
25 years later
We decided to dig out notebooks from our archives and present them to you. Moreover, we plan to visit the same places, at the same time in 2023, to…