Yasei no yobigoe

Yasei no yobigoe

Yasei : seiji jiron

Yasei kenshichuu ron

Taiwan yasei gomuju

Hokuman yasei honyuuruishi

Kouya no yobu koe : shousetsushuu

Hokuman yasei honyuurui shi

Yakusou saibai no shiori : fu yasei yakusou saishuu no shikata

Afurika ni okeru yasei seibutsu hogo ni kansuru kenkyuu : higashiafurika o chuushin to shita yasei seibutsu hogo no genjou to mondaiten

Nopporo kokuyuurin yasei shokubutsu chousa houkokusho

Jitsuyou yasei yakusou saishu shiage tebiki

Yasei kotsujiki tousui

Yasei doubutsu to saiyaseika kachiku ni kansuru chirigakuteki kenkyuu

Yajin no koe

Yasei yori ai e

呼声

Uirusu teikousei Cucumiszoku yasei shokubutsu e no zenshin kansen ni kanyosuru kyuurimozaikuuirusu idenshi no kaiseki

No no koe : shinkou yofu

Wildlife Friends (Yasei no Tomo)

Yasei doubutsu oyobi doubutsuen doubutsu no kiseichuu kansen narabini juuigakuteki hogo kanri ni kansuru kenkyuu

Yasei shokubutsu to saibai shokubutsu o kishu to suru epirakunazoku tentou no seikatsushi tokusei ni kansuru kenkyuu

物売りの呼び声

Ten no koe hito no koe

Musei no koe