noun
horizontal distribution
Technical term used in ecology, geography, and other sciences to describe how something is spread out horizontally, often contrasted with 垂直分布 (vertical distribution).
See also: 垂直分布
この地域の植物の水平分布を調査した。
We investigated the horizontal distribution of plants in this region.
水平分布と垂直分布では、見られる種が大きく異なる。
The species observed differ greatly between horizontal and vertical distribution.