Japan ine mapfumbamwe masango ecoregions ayo anoratidza mamiriro ekunze uye geography yezvitsuwa. Vanobva subtropical nyoro broadleaf masango muRyūkyū uye Bonin Islands, kune zvine mwero broadleaf uye yakavhenganiswa masango munzvimbo dzakapfava mamiriro ekunze ezvitsuwa zvikuru, kune zvine mwero coniferous masango mukutonhora, nguva yechando zvikamu zvezvitsuwa zvekuchamhembe. Japan ine anopfuura makumi mapfumbamwe ezviuru emhuka dzesango, kusanganisira brown bear, chiJapanese macaque, chiJapanese raccoon imbwa, chiJapanese hombe munda mbeva, uye chiJapanese hofori salamander. Ruzhinji rwemapaki emunyika rwakavambwa kuchengetedza nzvimbo dzakakosha dzemiti nemhuka pamwe nenzvimbo makumi matatu nenomwe dzeRamsar. Nzvimbo ina dzakanyorwa paUNESCO World Heritage List nekuda kwekukosha kwavo kwechisikigo. Mubvunzo: Masango ane hunyoro anogona kuwanikwa kupi muJapan?
Zvitsuwa zveRyūkyū neBonin