Journal
CANADIAN JOURNAL OF FOREST RESEARCH
Volume 40, Issue 6, Pages 1165-1174Publisher
CANADIAN SCIENCE PUBLISHING
DOI: 10.1139/X10-062
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Funding
- Programa de Apoyo a Proyectos de Investigacion e Innovacion Tecnologica (PAPIIT) of Mexico [IN225703, IN230507, IN119609]
- DGEP (Direccion General de Estudios de Posgrado)
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Ectomycorrhizal (ECM) communities of Pinus montezumae Lamb. var. montezumae were studied across a volcanic soil chronosequence at Sierra del Chichinautzin, Mexico, to investigate differences in community structure at sites with different soil quality. Study sites were located on volcanic soils of different ages. Both aboveground and belowground fungal communities were compared for 3 years. Species abundance, richness, and diversity were compared among sites. Significant differences were found among the three sites for sporocarp abundance and biomass but not for total ECM root tips. The more diverse sporocarp community was found at the youngest, less fertile site. Dominant species at the sporocarp and ECM morphotype levels differed across the chronosequence. The largest proportion of sporocarp species was siteexclusive, which suggests that aboveground communities depend upon soil conditions. Contrarily, 85% of ECM morphotypes were present at least at two sites. The poor correspondence between the aboveground and belowground views of the ECM fungal community may be due to differences in sampling methodology and level of identification. Inocybe and Laccaria species were abundant fruiters at all sites, and as multisite fungi, they may be tested for inoculum efficiency to be used in reforestation programs in the surroundings of Mexico City.
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