Fishermen in Latvia are asked to report larks they catch with a special tag.
To obtain information about the movement of ospreys during their nesting migration, Beor Institute researchers tag the ospreys in the fall.
The purpose of the research is to find out where and how the lampreys migrate, how they spread along rivers and what part of the migrating population is caught. to get the most complete data possible.
Annotation encourages anglers to report any tagged lamprey they catch.
Beor researchers brought to the beach manoffrim caught by fishermen in the Saka River.
Unique yellow tags with numbers indicating the specific research topic were affixed to the posters.
The study allows us to draw conclusions about the state of the menorah population in Latvia. The researchers note that in general the situation is acceptable.