以下开始第二段
Perhaps the fact that many of these first studies considered only algae of a size that could be collected in a net , a practice that overlooked the smaller phytoplankton that we now know grazers are most likely to feed on, led to a de-emphasis of the role of grazers in subsequent research.
本句的主干是?
The fact led to de-emphasis of the role of grazers.
The fact的内容是导致de-emphasis of the role of grazers的原因,所以又是一个因果关系的句子。
这个句子里面的哪个词会闪到你的眼?
Only,绝对性的词在文章中出现了必须要给予关注。
这个句子体现出作者对于these first studies的态度是?
偏负态度,因为de-emphasis
除了主干的de-emphasis,还有哪个词可以体现负态度的?
Overlooked
Only algae of a size和什么对应?
Overlooked the smaller phytoplankton
Grazers的作用在这里被忽视了
这句话的作用是:解释说明为什么我们只看到了algae和grazer之间的negative correlation
Increasingly, as in the individual studies of Lund, Round, and Reynolds, researchers began to stress the importance of environmental factors such as temperature, light, and water movements in controlling algal numbers.
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