👉 In the context of biology and ecology, "malthusian" refers to a concept that describes an increase in population size due to overexploitation or depletion of resources. This is often associated with the concept of exponential growth, as the rate at which population size increases exponentially with respect to the number of individuals present. The term was first coined by the economist and historian George A. Malthus (1798-1862) in his 1830 book