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退化喀斯特地区植被恢复过程中苔藓的先锋作用(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2011年03期
Page:
28
Column:
研究简报
publishdate:
2011-06-13

Article Info:/Info

Title:
The vanguard role of bryophytes in the course of vegetation restoration of Karst degradation area
Author(s):
WANG Zhen12ZHANG Jinchi1YU Shuiqiang1WANG Xiao3WANG Ruyan1CUI Xiaoxiao1
1.College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China;2. Lianyungang Forestry Technical Guidance Station, Lianyungang 222100, China;3.College of South, Nanjing Forestry University, Nanjing 210037, China
Keywords:
Karst area bryophytes water holdup vegetation
Classification number :
Q945
DOI:
10.3969/j.jssn.1000-2006.2011.03.029
Document Code:
A
Abstract:
In the comprehensive treatment ecological demonstration area of Huajiang Karst plateau in Guizhou province, by collecting samples of bryophytes, identifying the major bryophytes species, checking the water retention ability in bryophytes, analyzing the chemical properties of soil formation in rock contact surface. The results showed that: The bryophytes in experimental area consisted of 11 families, 26 genera, 65 species, were dominated by mosses. Water content of natural bryophytes was ranged from 36 % to 898 %. The water holdup of fresh bryophytes was between 2123% and 5159%. The soil in bryophytes and rock contact surface was in the first standard of the soil nutrients classification. The indicators of soil nutrient were much higher than the blank sample. The results indicate that bryophytes are strongly adaptable to the Karst area. Its an ideal choice to use bryophytes to restore vegetation to the stony desertification area.

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Last Update: 2011-06-13