unsustainable的示例

• 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.

• In this case the carbon contract results in lower rate of soil carbon loss, but the system remains unsustainable.

• The few small ruminant development programmes undertaken so far have been for the most part unsuccessful or unsustainable.

• Even if off by 50 per cent, those projections foretell an utterly unsustainable situation.

• Examples of externalities include negative environmental effects such as pollution and the unsustainable depletion of natural resources.

• However, the consequent overvaluation tends to generate unsustainable current account deficits that only continued inflows of capital can finance.

• In longer periods of poverty past savings are depleted, household goods deteriorate and cannot be replaced, and debts accrue and become unsustainable.

• Indeed, public pension systems are unsustainable and generate important public debt, which strongly weights on economic growth.