The invasion of semiarid Mediterranean sites by Nicotiana glauca mediates temporary changes in mycorrhizal associations and a permanent decrease in rhizosphere activity

作者: F Caravaca , G Rodríguez-Caballero , M Campoy , P Marín Sanleandro , A Roldán

DOI: 10.1007/S11104-020-04497-1

关键词:

摘要: Exotic invasive plants may have adverse effects on native plant communities and ecosystem functions by altering of belowground mutualistic mycorrhizal fungi. However, little is known about how such alterations change over time. The aim this work was to determine the arbuscular fungi (AMF) colonizing roots Nicotiana glauca populations distinct ages (1 20 years old), co-occurring plants, growing at four different Mediterranean semiarid locations. short-term long-term invader rhizosphere activity nutrient pools were also determined. Illumina MiSeq technology used for high-throughput sequencing AMF basal respiration enzymatic activities determined assessing activity. composition structure differed according character invaded site. community belonging young had a significantly in comparison adult plants. harboured similar community. In general, respiration, nutrients rhizospheres two N. from those but these differences independent time after invasion. invasion sites mediated temporary changes associations, whereas early effect decreasing remained across

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