Are compressor maps for multistage compressors drawn for one blade row or the whole compressor? Apologies if this is a stupid question.
I am a little confused about compressor maps.
Are compressor maps such as this one, drawn for one blade row only or the whole compressor?


(source: Wikimedia)

If it is for one blade row, can you predict the behavior of the next blade row from the compressor map of the previous row? Like, I am guessing that the blade rows of say the HP compressor have the same speed lines because they are on the same spool, so would they move up or down the speed line?

If those maps are drawn for the whole compressor, then does that mean that all blade rows have the same operating conditions (in my opinion, they should have different operating conditions)?

Any insight would be really appreciated! Thank you!
The image you are referencing is definitely an entire compressor.  You can tell because the pressure ratio axis goes up to 17:1.  You won't get 17:1 out of a single blade row, ever. One-tenth of that would be more likely for a single stage.  i.e. this could be a 10 stage compressor with each stage contributing a 1.3 - 1.4:1 pressure ratio.  

I've only ever seen compressor maps like this drawn for entire compressors.  Not to say you couldn't do a single stage, but I've not seen it done.