2010•Protection Forest Science and TechnologyRequires access
Comprehensive Benefit of Mixed Forest of Larix kaempferi,Alnus tinctoria & Betula platyphylla
Yang Wei-feng
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Abstract
Through experiments of different forest types,mixed forest of Larix kaempferi,Betula platyphylla Alnus tinctoria can increase the growth and yield of forest trees;various character indices are all superior to pure forest of Larix kaempferi.Each mixed forest can improve soil conditions fertility.Among different forest types,species important value of tree layer of pure forest of Larix kaempferi which is basically one canopy layer is the most;whereas mixed forest have two canopy layers,in shrub layer herb layer,quantity of mixed forest species are the most,much higher than that of pure forest of Larix kaempferi.Species richness quantity of mixed forest are all the most;total quantity of pure forest is only 11%-37% of the mixed forest.