trophic level

trophic level 基本解释

[生态]食性层次, 营养水平

trophic level 用法和例句

1、Producer The first TROPHIC LEVEL, in a food chain.

生产者食物链中第一个营养级。

2、These microscopic organisms are assigned a trophic level of 1.

这些微生物得营养级为1。

3、Study on feeding habit and trophic level of redlip croaker in Changjiang esturary

长江口近海小黄鱼食性及营养级分析

4、ecological efficiency The efficiency of transfer of energy from one trophic level to the next.

生态效率从一营养阶层到下一阶层的能量传递效率。

5、Producers are often referred to as being in the first trophic level and are called autotrophs by the heterotrophs.

生产者通常被称为第一营养级, 被异养称为自养。

重点词汇

trophic a. 营养的, 有关营养的 [医] 营养的

level n. 水平，水准；水平线，水平面；水平仪；[物]电平 adj. 水平的；同高度的；平均的；平稳的 vt. 使同等；对准；弄平 vi. 瞄准；拉平；变得平坦