noun
edge effect
Ecological term for the changes in population or community structures that occur at the boundary of two habitats.
森林と草原の境界ではエッジ効果によって生物多様性が高まることがある。
At the boundary between forest and grassland, biodiversity can increase due to the edge effect.
From English 'edge effect'. The term is used in ecology to describe the influence of habitat boundaries on species.