它们已经成了伊利诺斯河的主人，如今占那里90%的生物量。
They have takenover and now represent 90 percent of the biomass in the Illinois River.
梁滩河污染主要为养殖污水、生活污水等，而其中鸭粪随意排放引起的污染占40%。
Liang Tan River pollution is mainly farming wastewater, domestic sewage and so on, 40% of them is duck droppings pollution, the integrated control of beach River focused on duck pollution.
云南省菜阳河保护区山高坡陡，TM卫星影像的阴影也相对增加，占10%以上。
The topography of Caiynaghe Nature Reserve of Yunnan is very complex and there are more than 10% shadows in the TM image.
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