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1 September 2000 Lichen Decline in Desierto de los Leones (Mexico City)
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Abstract

We document the effect of Mexico City on the epiphytic lichens of Abies religiosa by comparing the communities occurring at Desierto de los Leones, a protected area near to the city, with those at El Chico National Park, a location 100 km upwind (or crosswind) from the city. The first community had 47% fewer species, 62% less lichen cover, and a species abundance pattern that revealed a highly disturbed community. The differences between these communities were greater at the trunk base than at the height of two m, and much stronger when evaluated from a species to species perspective. Among a variety of factors, site air quality may account for many of the observed differences.

Angel Zambrano García, Thomas H. Nash III, and María Angeles Herrera-Campos "Lichen Decline in Desierto de los Leones (Mexico City)," The Bryologist 103(3), 428-441, (1 September 2000). https://doi.org/10.1639/0007-2745(2000)103[0428:LDIDDL]2.0.CO;2
Received: 1 June 1999; Accepted: 1 December 1999; Published: 1 September 2000
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