trophic level meaning in English
食性层次
营养级
营养水平
Examples
- The next best way to quantify the amount of protoplasm in each trophic level is to weigh it .
确定每一个营养阶层原生质总量的第二个好办法是称重。 - Producer the first trophic level , in a food chain
生产者：食物链中第一个营养级。 - These microscopic organisms are assigned a trophic level ( tl ) of 1
这些微生物的营养级为1 。 - Protozoan community character in relation to trophic level in the beijing section of the juma river
拒马河北京段原生动物群落特征及其对河流营养状况的指示 - Birds are positioned at high trophic level within the food web in the ecosystem , and thus any changes within the system can affect the birds in one way or another
鸟类在生态系统中处于较高的营养级，生态系统中住何一个环节的变化都可能对鸟类造成一定的影响。