noun
forest coverage rate; percentage of forested land
Technical term used in forestry, geography, and environmental statistics to express the ratio of forested area to total land area.
日本の森林率は約67％です。
Japan's forest coverage rate is about 67%.
この地域の森林率は年々減少している。
The forest coverage rate in this region is decreasing year by year.
緑被率 includes all green spaces (parks, farmland), not just forests, and is used in urban planning.
Compound of 森林 (forest) and 率 (rate, proportion). A straightforward modern technical term.