http://onlinelibrary.wiley.com/doi/10.1111/mec.14207/epdf

Yikes!  This looks really good.  From the abstract I infer that  mixed cod populations can feed and grow successfully in brackish fjords, but the population that possesses an inversion island with advantageous alleles for early survival in brackish water is the only one that successfully reproduces there.  Something like that!

Advertisements