Soil and Water Conservation of Five Mosses in the Naigu Stone Forest of Yunnan Province

Plant Science Journal Pub Date : 2013-01-01 DOI:10.3724/SP.J.1142.2013.30209

Yu-Cheng Dai, Zhaobin Zhang

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引用次数: 1

Abstract

Soil and water conservation of five mosses were investigated in Naigu Stone Forest of Yunnan province.The five highest frequency mosses were Taxiphyllum taxirameum(Mitt.) Fleisch.,Brachythecium albicans(Hedw.) B.S.G.,Anomodon minor subsp.integerrimus(Mitt.) Iwats.,Lindbergia sinensis(C.Muell.) Broth.and Homaliadelphus targionianus(Mitt.) Dix.et P.Varde.Determination of biomass,pedogenesis quantity,saturated water adsorption rate and quantity of the five mosses showed that the average biomass ranged from 24.31 g/m2 to 103.78 g/m2,average saturated water adsorption rate ranged from 818.24% to 1462.02%(highest of 1659.27%),average saturated water adsorption quantity ranged from 216.92 g/m2 to 791.80 g/m2(highest of 1790.28 g/m2) average pedogenesis ranged from 47.32% to 111.58%(highest of 194.82%),and average pedogenesis quantity ranged from 9.01 g/m2 to 46.73 g/m2(highest of 110.17 g/m2).Experiments showed that the average saturated water adsorption quantity and average biomass of Anomodon minor subsp.integerrimus were greatest,791.80 g/m2 and 103.78 g/m2,respectively.Anomodon minor subsp. integerrimus exhibited the most significant correlation with soil water retention.Dry weight and fresh weight,biomass and dry weight,biomass and saturated water adsorption quantity,biomass and pedogenesis quantity,saturated water adsorption and pedogenesis quantity showed positive correlations.Therefore,the results indicated that the mosses had high ability to absorb and reserve water.The mosses showed a remarkable effect on pedogenesis,which is significant for landscape diversity and soil and water conservation in stone karst regions.

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云南奈姑石林5种苔藓的水土保持作用

对云南奈姑石林5种藓类植物的水土保持特性进行了调查。频率最高的5种藓类是紫杉(taxxiphyllum taxirameum)。Fleisch。, Brachythecium白色的(Hedw)。b.s.g.，小整型异常病亚种(米特)Iwats。Lindbergia sinensis (C.Muell。)汤。和塔吉尼亚家龙(米特。迪克斯。测定5种藓类的生物量、成土量、饱和吸水率和成土量，结果表明:平均生物量为24.31 g/m2 ~ 103.78 g/m2，平均饱和吸水率为818.24% ~ 1462.02%(最高为1659.27%)，平均饱和吸水量为216.92 g/m2 ~ 791.80 g/m2(最高为1790.28 g/m2)，平均成土量为47.32% ~ 111.58%(最高为194.82%)，平均成土量范围从9.01 g/m2到46.73 g/m2(最高为110.17 g/m2)。实验结果表明，小异齿异齿亚种的平均饱和吸水量和平均生物量最大，分别为791.80 g/m2和103.78 g/m2。小异常亚种。整体菌与土壤保水的相关性最显著。干重与鲜重、生物量与干重、生物量与饱和吸水量、生物量与成土量、饱和吸水量与成土量呈正相关。结果表明，青苔具有较高的水分吸收和储备能力。苔藓对石漠化地区的成土作用显著，对石漠化地区景观多样性和水土保持具有重要意义。

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Plant Science Journal

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