| 1 | The causes of pasture degradation in pasture ecosystem of Zeku county were analyzed and protection methods wrer suggested. | |
| 2 | Status quo of ecology environment, exist problems and its reasons were analysed in Zeku. The control measures and countermeasures of sustainable development were suggested. | |
| 3 | Only after utilize natural grassland rationally and make optimum productive structure of grassland, grassland ecosystem and animal husbandry will be healthy and developed well. | |
| 4 | Human activity and climate change were two key reasons for grassland degradation of Zeku county. Rodent and pest destruction accelerated the serious situation. |