This is the 7964th most frequent Russian word.
кольцевание
"Кольцевание" in English means "ringing," often referring to the tagging or banding of birds for identification and tracking.
Here, 'кольцевание' refers to the scientific process of tagging birds with identifying rings.
Учёные проводят кольцевание птиц для отслеживания их миграции.
Scientists perform bird banding to track their migration.
In this sentence, 'кольцевание' is applied to the process of marking or encircling trees for research purposes.
Кольцевание деревьев иногда используется для изучения роста древесины.
Tree banding is sometimes used to study wood growth.
Here, 'кольцевание' encompasses general methods of tagging or marking organisms for study.