Ecoogical Chaaracteristics of Roots of Artemisa arenaria Population in Arid Desert Area

WANG Hui; SUN Dong-yuan; LIU Li-xia; MA Zhong-wu; WANG Bin

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Ecoogical Chaaracteristics of Roots of Artemisa arenaria Population in Arid Desert Area

更新时间：2024-11-07

- Ecoogical Chaaracteristics of Roots of Artemisa arenaria Population in Arid Desert Area
- Vol. 21, Issue 1, Pages: 99-102(2007)
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  CLC： Q145.1S728.4
- Published：2007
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WANG Hui, SUN Dong-yuan, LIU Li-xia, et al. Ecoogical Chaaracteristics of Roots of Artemisa arenaria Population in Arid Desert Area[J]. 2007, 21(1): 99-102.
DOI：

WANG Hui, SUN Dong-yuan, LIU Li-xia, et al. Ecoogical Chaaracteristics of Roots of Artemisa arenaria Population in Arid Desert Area[J]. 2007, 21(1): 99-102. DOI：

摘要

用全挖取样法研究了干旱荒漠区不同类型沙地上沙蒿种群的根系生态特征。结果表明

沙蒿根系总生物量在不同类型沙地上有所变化

其排序为流动沙地（122.43 g）〉封育沙地（106.35g）〉半固定沙地（90.15 g）;从根系分布深度看

在不同类型沙地上

沙蒿根系生物量集中分布在0-40cm土层中

占75%以上;沙蒿的主根生物量在0-20cm土层中最多

其根系生物量占全部根系生物量的比例在封育沙地为67.11%

流动沙地为53.52%

半固定沙地为62.48%;侧根生物量在封育沙地和半固定沙地中在0-20cm土层中最多

而流动沙地集中于20-40cm土层;在不同类型沙地上

沙蒿根系生物量与土壤含水量之间均相关紧密。

Abstract

By the method of whole digging sampling

the ecological characteristics of roots of Artemisa arenaria were studied in different types sands land in arid desert area.The results indicated that: Root total biomass of Artemisa arenaria was changed in different sand land types.The root biomass order is moving sands land(122.43 g)>fencing sands land(106.35 g)>semi-fixed sands land(90.15 g).In the range of 0~40 cm soil layer

in different type sands land 75% roots biomass of Artemisa arenaria were existed.The proportion of taproot biomass of Artemisa arenaria with 0~20 cm to total root biomass is that fencing sands land(67.11%)

moving sands land(53.52%)

semi-fixed sands land(62.48%).Lateral roots biomass of Artemisa arenaria of fencing sands land and semi-fixed sands land is in 0~20 cm

one of moving sands land is in 20~40 cm.The relativity of soil water content in different types and roots biomass of Artemisa arenaria is remarkable.

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