And then analyze the characteristic of a hypaethral quarry and some ecological and environmental impact brought by opencast working . Such as some familiar pollute source , harms brought by opencast working : botanic reakage , water pollution , edaphic reakage , water and soil loss , biomass reduce .

然后对露天采石场的特点以及开采造成的生态环境影响进行分析，如一些常见的污染源，开采造成的危害：植被破坏、水体污染、土壤破坏、水土流失、生物量减少等。