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Protection effect of salt damage by coastal windbreak forest


, : Protection effect of salt damage by coastal windbreak forest. Yingyong Shengtai Xuebao 6(3): 251-254

Observation and analysis of salty dust in the air near coastal windbreak forest show that atmospheric salty dust can be intercepted and adsorbed by the windbreaks, its mean subsidence amount is 4.3 mu-g cntdot m-3 cntdot 100m-1 in the region without windbreaks, and is 18.4 mu-g cntdot m-3 cntdot 100 m-1 in the region with ones. The adsorption amount of it by the windbreaks is related to the tree species and their size of branches and leaves. The adsorption amount of Cl- and Na+ by Platycladus orientalis is 6330 and 3350mg cntdot kg-1, but that by Pinus thunbergii is 1570 and 950 mg cntdot kg-1. The atmospheric salty dust is depended on the weather and wind speed. On cloudy day, the greater wind speed is, the higher salt content in the air and the farther transported distance are.

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