This is the 3199th most frequent Japanese word.
回遊
"Migration" or "circulation," often referring to the movement of animals or people.
In this sentence, '回遊' is used to describe the migration or traversal behavior of fish.
その魚は回遊して大洋を渡る。
That fish migrates across the ocean.
Here, '回遊型' refers to a layout or type that facilitates movement in a circular or roaming manner.
回遊型の観光地は自然と観客を集める仕組みになっている。
Circular tourist destinations naturally attract visitors.
In this usage, '回遊' indicates wandering or roaming around a place.