DCA analysis results attached.

What does exactly length of gradients show us ?

The graphs collected for both PCA and CA analysis cases are attached. There is a problem with many zeros in the dataset too. Even if many rare species removed still graphs not readable. I just post them in case you can see any patterns which show which analysis should I follow. The many zeros and species is another problem I need to sort it out anyway. Is there any suggestions on that however?

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