nutrient flow造句

Any management action that reduces the number of salmon or bears will affect the nutrient flow and the many creatures that depend on it
任何打算减少熊或鲑鱼数量的管理行动，都会影响到养份的流动，以及赖以维生的许多生物。
4 . through the calculation and analysis of the nutrient flow of agro - pastoral ecosystem in gongcun , the results show as follows : the export amount of commodities is higher
4 、通过对巩村的农牧复合生态系统养分流动的计算分析可知巩村的商品输出量是比较高的。
Traditionally , it was thought that nutrient flow in such systems moved in one direction only , driven by gravity : nutrients , in the form of leaves , invertebrates and other material , fell from the forest into rivers and creeks , flowed downstream and moved out to the ocean
传统的观念认为，这类生态系的养份流动由重力牵引，仅遵循单一方向移动，也就是养份以树叶、无脊椎动物和其他物质的形式，从森林掉落到河流或小溪中，然后顺流而下流入大海。
It's difficult to find nutrient flow in a sentence. 用nutrient flow造句挺难的