福建省植物措施治理崩岗的技术

崩岗主要分布在福建省的南部和西部花岗岩形成的土丘地区,主要有瓢形崩岗、条形崩岗和弧形崩岗三种类型。从崩岗的形态上可分为坡面、崩岗崖壁、崩岗场和冲积扇四个部位。坡面以草灌混交好;崩岗崖壁以爬藤类植物为主,沿崖壁上下边缘种植;崩岗场依具体情况而定,主要种针叶乔木;冲积扇容易再侵蚀,应乔灌草一起上,以达到防治水土流失的目的。治理崩岗以植物措施为主,并辅以工程措施。

The technics to control collapse of hillock with botanical measures in Fujian Province

The hillocks mainly distributes in the earth hill formed with granite of sounthern and western part of the Province, shaped in dipper-like, strip and curve. In the point of view of formation the collapse of hillock is divided in f positions of slope surface, precipice, hillock and alluvial fan. The better way is to plant grass and shrubs in mixing on slope,the principal plants for precipice are climbing vines planted along the top and down ridges of precipice;the collapsing site is harnessed according to special conditions, maily planted with coniferous trees;the alluvial fan is thought to be easy in erosion and shoud be planted with trees, shrubs and grasses simultaneously to control soil and water loss. The control of collapse of hillock takes the botanical measures as the predominent way that is supported by engineering measures.