Micro-Landscape Dependent Changes in Arbuscular Mycorrhizal Fungal Community Structure

被引:3
|
作者
Veresoglou, Stavros D. [1 ]
Gruenfeld, Leonie [1 ,2 ]
Mola, Magkdi [1 ]
机构
[1] Free Univ Berlin, Inst Biol, Altensteinstr 6, D-14195 Berlin, Germany
[2] Berlin Brandenburg Inst Adv Biodivers Res, D-14195 Berlin, Germany
来源
APPLIED SCIENCES-BASEL | 2021年 / 11卷 / 11期
关键词
Glomeromycota; microbial meta-communities; mycorrhizal mutualistic interactions; null model analyses; plant-soil interactions; SOIL; COLONIZATION; DIVERSITY; NITROGEN; PLANTS; VARIABILITY; PHOSPHORUS; GRASSLAND; ABUNDANCE; PATTERNS;
D O I
10.3390/app11115297
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The roots of most plants host diverse assemblages of arbuscular mycorrhizal fungi (AMF), which benefit the plant hosts in diverse ways. Even though we understand that such AMF assemblages are non-random, we do not fully appreciate whether and how environmental settings can make them more or less predictable in time and space. Here we present results from three controlled experiments, where we manipulated two environmental parameters, habitat connectance and habitat quality, to address the degree to which plant roots in archipelagos of high connectance and invariable habitats are colonized with (i) less diverse and (ii) easier to predict AMF assemblages. We observed no differences in diversity across our manipulations. We show, however, that mixing habitats and varying connectance render AMF assemblages less predictable, which we could only detect within and not between our experimental units. We also demonstrate that none of our manipulations favoured any specific AMF taxa. We present here evidence that the community structure of AMF is less responsive to spatio-temporal manipulations than root colonization rates which is a facet of the symbiosis which we currently poorly understand.
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页数:12
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