Figure 5
Pattern of the responses of different populations of the same species in different latitudes/altitudes to an average temperature increase and an extremely high temperature and the coupling effect of the average temperature increase and the extremely high temperature.
The dotted line indicates a scenario in which the average temperature increases. The solid line indicates a scenario in which the average temperature increases, which is also accompanied by an increase in the frequency of the occurrence of extremely high temperatures. With greater latitude and altitude of the provenance of the population, the promoting effect of the temperature increase on the growth of the population becomes stronger, and the tolerance of the population to extremely high temperature stress may become weaker. Therefore, the advantages of populations in high latitudes/altitudes will decrease under extremely high temperature conditions.
