为什么有的地方一心想搞水利却事倍功半,甚至事与愿违呢?重要原因之一,就在于孤立地搞水利工程,忽视了植树造林、种草,没有实行工程防治与生物防治相结合,没有弄清“造林就是造水”的道理. 森林是一种多成分的、复杂的、多样化的植物群体,无论对地面、地下和空间的生态环境,都有多方面的影响。由于林木有繁茂的枝叶截留雨水, Why do some localities bent on water conservancy but do more with less, and even the opposite? One of the important reasons is that engaging in water conservancy projects in isolation, neglect afforestation, planting grass, did not implement the project prevention and control combined with biological control, did not find out “ Afforestation is the making of water. ”Forest is a multi-component, complex and diverse flora that has many impacts on the ground, subsurface and spatial ecology. As the trees have lush foliage trap rainwater,