In many ecological applications. the absences of species are inevitable due to either detection faults in samples or uninhabitable conditions for their existence. resulting in high number of zero counts or abundance. Usual practice for modelling such data is regression modelling of log(abundance+1) and it is well know that resulting model is inadequate for prediction purposes. https://www.nacrack.com/deal-alert-Dea-Eyewear-Jemma-deal-zone/