常見(jiàn)例句雙語(yǔ)例句The species richness D, Shannon diversity index H and evenness index J were 10.北部灣海域春季魚(yú)類(lèi)資源群落的種類(lèi)豐度指數(shù)（D）、多樣性指數(shù)（H′）和均勻度（J′）分別爲(wèi)10。The Shannon-Wiener biological diversity index and Evenness of phytoplankton community in survey area were low.整個(gè)調(diào)查區(qū)浮遊植物的多樣性程度是低的。Number of individuals and species, diversity indices, Shannon Wiener diversity index, biomass and soil fertility of the main plant community types in Xiyang River Bend region were analysed.分析了西陽(yáng)灣地區(qū)主要植物群落類(lèi)型的種類(lèi)組成、空間結(jié)搆、物種多樣性、生物量及土壤特性。 返回 shannon diversity index