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- W2391640203 abstract "The seed banks of four different stands in Ziwu Mountains, including natural Pinus tabulaeformis forest, artificial Pinus tabulaeformis forest, artificial Larix principis-rupprechtii forest and artificial Robinia pseudoacacia forest were primarily studied. The results showed that the average storage of artificial Pinus tabulaeformis forest ,artificial Larix principis- rupprechtii forest ,artificial Robinia pseudoacacia forest and natural Pinus tabulaeformis forest are 675.9 seeds / m 2 , 648.8 seeds / m 2, 839.4 seeds / m 2 and 455 seeds / m 2 respectively , which belongs to medium level;In this investigation ,viable seed of natural Pinus tabulaeformis forest is zero , of artificial Pinus tabulaeformis forest account for 0.5% , of artificial Larix principis- rupprechtii forest were 2.3% , of artificial Robinia pseudoacacia forest were 74.4%;The seed quality of artificial Robinia pseudoacacia forest is high.Seed bank of different stands of coniferous forest was low.In addition , the average distribution density of seedings in artificial Pinus tabulaeformis forest were 1 to 3 plants / m 2;seedlings in artificial Robinia pseudoacacia forest were more than other stands ,which implied that the seeds in different stands had ability of germination .We can learn from composion of different seed banks that proportion of dominant tree species are more than 85% ,while species diversity index of seed bank under artificial Pinus tabulaeformis forest is higher than that of other stands;About 80 percent of seeds mainly distributed in litter layer and upper layer of soil (1~2 cm) . The results of variance analysis indicated factors including thickness of litter ,tree height, canopy density, diameter at breast height and so on , have prominent effect on storage of seed banks .Therefore , seed banks of main forest types can provide fundamental condition for natural regeneration of different stands in Ziwu Mountains." @default.
- W2391640203 created "2016-06-24" @default.
- W2391640203 creator A5001945428 @default.
- W2391640203 date "2004-01-01" @default.
- W2391640203 modified "2023-09-25" @default.
- W2391640203 title "Seed Bank of Main Forest Types in Ziwu Mountains" @default.
- W2391640203 hasPublicationYear "2004" @default.
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