物種豐度
richness
豐富度
乘坐式
riding type
急瀨
riffles
里夫谷熱
Rift Valley Fever
索具
Rigging
剛性或固定邊界渠道
rigid boundary channel
僵直
Rigor mortis
屍體僵直
僵直期
Rigor stage
小溝
rill
紋溝沖蝕
rill erosion
指狀沖蝕
牛瘟
Rinderpest
園內道
ringed road
里約宣言
Rio Declaration
拋石護岸
ripap revetment
河岸緩衝帶
riparian buffer strip
河岸森林緩衝帶
riparian forest buffer strip
濱水帶植生
riparian vegetaiotn
