Obviously, if the ratio of demand to supply is greater than unity, then current rates of harvest must be unsustainable.
Similarly, the development of export markets for mangrove crabs and coastal fish could lead to unsustainable catch levels and a consequent drop in marketable value.
At the margin, the subsidy for reduced livestock mobility is available, but it is not used in equilibrium since the disease is unsustainable.
Commercial agriculture has been a major factor in deforestation in unsustainable areas.
Since cultivation occurs in highly unsustainable terrains, part of the land in the production cycle becomes useless even after the rotation period has ended.
Similarly, the potential for unsustainable agricultural practices is increased by the growing rural population.
Environmental changes that reduce lifespans below the normal range imply that external conditions have made the systems under consideration unsustainable.
Given the ecological conditions, individual investments in groundwater exploitation may prove to be costly and unsustainable.
