Can anyone solve Alpha rarefaction plotting issue in my study?

Dear Sir,
I am using qiime2 software for my study. I have problem in alpha rarefaction plottings. Here the sequence count as well as frequency per sample is attached. I also attached rarefaction.qzv file.


I use the following parameters looking into median frequency of table. qzv table.
qiime diversity alpha-rarefaction
--i-table table.qza
--i-phylogeny rooted-tree.qza
--p-max-depth 9124
--m-metadata-file sample-metadata.tsv
--o-visualization alpha-rarefaction.qzv

However I could not understand the alpha rarefaction plots. Could anyone help, If I am going in a right way or I am doing mistake. Please look at the picture and reply me.

Tian Lan

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