What we found is that simply tagging a plant and measuring it weekly, over the course of a growing season, has a profound implication on the size of the plant. At the end, they tend to be smaller.
There is no one who has had as much of an impact on my life.
Once people realized they could tag and they could follow organisms it just became a standard method. And once anything becomes standard, people sort of forget that it is an invasive treatment and it might have implications on the animals being tagged.