Monitoring insects in hollow oaks

Lai saņemtu informāciju par iepirkumiem e-pastā, piesakieties, spiežot uz "Saņemt iepirkumu informāciju" lapas lejasdaļā!

The objective is monitoring the status and changes in insect diversity (number and species composition) over time related to hollow oaks throughout the oak region, and to help assess the importance of isolated hollow oaks versus hollow oaks in groups for populations and species over time. The objective is also identifying the reasons for the changes.