草原退化的后果及深层原因探讨

THE EFFECT AND CAUSES OF GRASSLAND DEGENERTION

草原退化是在不合理利用下，草原生态系统结构失调、生产和生态功能衰退的过程。严重的草原退化所引起的，不仅是草地畜牧业生产的下降，还会造成人们生存环境的恶化，甚至导致人类文明的毁灭。退化不但与各种不合理利用等直接因素有关，尤其与社会经济体制、人口压力、生物生态学机理等深层因素有关，深刻揭示和认识这些问题，将有助于草原退化的防治。

Grassland degeneration is a declining process of product and ecological functions of grasslandecological system due to structure degradation. Not only decline of grassland animal production,but also deterioration of our living environments or even distroy of human civilizations will itcause. It is directly related to various kinds of unreasonable utilization, but affected even more bysocial economic systems , population pressure,and biological and ecological causes. Under-standing these aspects will help to control grassland degeneration.