因此北太平洋海獭的近乎绝灭，导致了海胆的大量繁殖，海胆随后毁掉了迄今维持着自身生态系统的巨藻林。
Thus the near extinction of sea otters in the northern Pacific led to a proliferation of sea urchins, which then laid waste an entire kelp forest that had hitherto sustained its own ecosystem.
读书是灵魂的壮游，随时可发现名山巨川、古迹名胜、深林幽谷、奇花异卉。——法郎士。
Reading is the soul of strong, can be found at any time famous mountains juchuan, historical sites, deep valley, Lin odd coloured different grass.
本文对2.5年生和3.5年生巨桉纸浆原料林的生物量和生产力进行了测定和研究。
In this paper, the biomass and productivity of 2.5-year and 3.5-year old Eucalptus grandis were studied.
应用推荐