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Title: Phylogenetic diversity of macromycetes and woody plants along an elevational gradient in Eastern Mexico

Author: Gomez-Hernandez, Marko; Williams-Linera, Guadalupe; Lodge, D. Jean; Guevara, Roger; Ruiz-Sanchez, Eduardo; Gandara, Etelvina;

Date: 2016

Source: Biotropica. 48(5): 577-585.

Publication Series: Scientific Journal (JRNL)

Description: Phylogenetic information provides insight into the ecological and evolutionary processes that organize species assemblages. We compared patterns of phylogenetic diversity among macromycete and woody plant communities along a steep elevational gradient in eastern Mexico to better understand the evolutionary processes that structure their communities. Macrofungi and trees were counted and identified in eight sites from 100 to 3500 m asl, and sequence data retrieved from GenBank for the same or closely related species were used to reconstruct their phylogenies. Patterns of species richness and phylogenetic diversity were similar for both macrofungi and trees, but macromycete richness and diversity peaked at mid-elevations, whereas woody plant richness and diversity did not show significant trends with elevation. Phylogenetic similarity among sites was low for both groups and decreased as elevational distance between sites increased. Macromycete communities displayed phylogenetic overdispersion at low elevations and phylogenetic clustering at high elevations; the latter is consistent with environmental filtering at high elevation sites. Woody plants generally exhibited phylogenetic clustering, consistent with the potential importance of environmental filtering throughout the elevational gradient.

Keywords: cloud forest, coniferous forest, dry forest, macrofungi, Mexico, phylogenetic turnover, trees

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Gómez-Hernández, Marko; Williams-Linera, Guadalupe; Lodge, Deborah J.; Guevara, Roger; Ruiz-Sanchez, Eduardo; Gándara, Etelvina. 2016. Phylogenetic diversity of macromycetes and woody plants along an elevational gradient in Eastern Mexico. Biotropica. 48(5): 577-585.


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