Around 348 million hectares of forests are used to conservesoilandwater, control avalanches and desertification, stabilize sand dunes and protect coastal areas.
大约3.48亿公顷森林用于保持水土资源,控制雪崩和荒漠化,稳定沙丘和保护沿海地区。
2
In the arid and poor mountain lands, shrubs are used to conservesoil, waterand headwater and to improve ecological environment, which can not be replaced by any tree species.
在干旱瘠薄山地,灌木保持水土、涵养水源、改善生态环境等方面具有乔木树种不可代替的作用。
3
They help farms grow better and more food, look for ways to conservesoilandwater, and design tools and equipment.