Vertical Divergence of Cultured Microfungal Communities at the Hallamish Dune Field, Western Negev Desert, Israel

被引:16
|
作者
Grishkan, Isabella [1 ]
Kidron, Giora J. [2 ]
机构
[1] Univ Haifa, Inst Evolut, 199 Aba Khoushy Ave, IL-3498838 Haifa, Israel
[2] Hebrew Univ Jerusalem, Inst Earth Sci, Jerusalem, Israel
关键词
Diversity; microfungi; nonshaded habitats; organic matter; undercanopy habitats; SAND DUNES; MICROBIAL COMMUNITIES; FUNGAL COMMUNITIES; ENZYME-ACTIVITIES; SOIL FUNGI; EVAPORATION; VEGETATION; BIOCRUSTS; DROUGHT; PROFILES;
D O I
10.1080/01490451.2016.1243597
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
We examined the depthwise distribution of microfungi through 0-40cm of sandy profiles under bare surface and different shrub species at the Nizzana research site (NRS) in the Negev Desert, Israel. A total of 125 species from 61 genera were isolated using the soil dilution plate method. At the topsoil of all profiles melanin-containing species with large multicellular conidia predominated. In the middle depths at the majority of the profiles, mesic group of microfungi, Penicillium spp. substantially increased in abundance. Density of microfungal isolates decreased with depth under shrubs and did not substantially vary in the nonshaded profiles, highly positively correlating with electrical conductivity and organic matter (OM) content. Substantial increase in isolate densities at the undercanopy habitats, especially in the interdune depression with higher substrate stability raising the accumulation of OM, highlights the role of shrubs as islands of fertility for microfungal communities at NRS.
引用
收藏
页码:706 / 721
页数:16
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