What was fire stick farming and what was its purpose overtime how would firestick farming affect the environment?

The fire stick farming is used in means of burning vegetation for the reason that it facilitates hunting and to be able to change the animal and plant’s composition. If used overtime in the environment, this will likely result to increase food supply for specific people who used this style, it may increase the non-specific grass eating species and in the same time, it also causes ecological disturbances.