What are the pros and cons of quadrat sampling?

Pros and Cons of Quad-rats sampling are as follow:

Explanation:

It is a series of squares or Quad-rats, generally, use as a tool for the study of ecology and especially biodiversity, In these series of squares which are equal in size placed in the habitat of interest with the species which they recognized and then record its data.

Pros of Quad-rats:

Cons of Quad-rats:

"a.) well–developed vascular system."