Seismic activity, weather, erosion, and mishandling are a couple. Need anymore let me know
There numerous of them but some of them would be contaminated soil which can be followed with altered soil chemistry that contains fewer soil organisms that are essential. The third one would be surface runoff due to extensively modified hydrology of the area.
Because the pressure of the rain is strong which affects the rain to become even stronger and forms a hurricane.
Smaller animals and or animals that eat vegetation.
Mutations are disruptions in the human body
