​Physical meaning of the equationsThe Lotka–Volterra model makes a number of assumptions about the environment and evolution of the predator and prey populations:

Education Chaos Ecology Biology Population

This simulation shows how plant, deer and wolf populations impact each other in a deciduous forest ecosystem.

Population Dynamics Ecology Biology Environmental Science

Food Enviroment

Food Chain of the Amazon River

Environment Animals Food Chain

In the early 1950s, there was a serious outbreak of malaria amongst the Dayak people in Borneo. The World Health Organization (WHO) decided to help and massively sprayed the area with DDT. The mosquitoes died in large numbers and the Dayak were happy - for a while.

Sign Graphs Unitended Negative Conseqeunces Systemic Effects Plagues