Whenweinthesocietyemphasizestheneedtoregisterthecatchsiteitisduetothefact,thathugegeographicalvariationscanappearfromlocationtolocation,withinmostspeciesoflivebearers.

Please segment the words.
When we in the society emphasizes the need to register the catch site it is due to the fact, that huge geographical variations can appear from location to location, within most species of livebearers.