常見例句雙語例句Tree seedlings of pioneer species and non-pioneers may respond differently to canopy gaps.先鋒種和非先鋒種可能對(duì)林窗產(chǎn)生不同的反應(yīng)。Selection of pioneer species is one of the key factors for the restoration of ecosystem in desertification areas.先鋒樹種選擇是沙漠化地區(qū)生態(tài)恢復(fù)工作的關(guān)鍵技術(shù)之一。http://www.chazidian.comThe ecological functions of sinking plants, the research on basic theory, and limited factors and pioneer species for the recovery of sinking plants in eutrophicated water body have been reviewed.文章論述了沉水植物的生態(tài)功能，著重介紹了富營養(yǎng)化水體沉水植被恢復(fù)的基礎(chǔ)理論、限制因子、先鋒物種選擇研究的進(jìn)展。 返回 pioneer species