Each quadrat has an area of one square meter.

每个样方的面积都是1平方米。

The use of a quadrat helps ecologists conduct more precise environmental monitoring.

样方的使用有助于生态学家进行更精确的环境监测。

In marine studies, a quadrat is often used to study the distribution of seabed organisms.

在海洋研究中，样方常用于研究海底生物的分布。

By analyzing the data from the quadrat, researchers can estimate the number of species in the entire area.

通过分析样方中的数据，研究人员可以估算整个区域的物种数量。

In addition, the importance values of the constructive species, P. lasiocarpa, is the maximum in the tree layer, especially in the quadrat 3.

此外乔木层中建群种大叶杨的重要值最大且在样方3中最高。