Flow diagram of the γ–δ algorithm. Only the two highest mapping ratios to two reference genomes of a single read are required. In the figure, it is assumed that the highest mapped ratio A1 belongs to the reference genome i.

 
 
  Part of: Garrido-Sanz L, Senar MÀ, Piñol J (2020) Estimation of the relative abundance of species in artificial mixtures of insects using low-coverage shotgun metagenomics. Metabarcoding and Metagenomics 4: e48281. https://doi.org/10.3897/mbmg.4.48281