Diversity and composition of palm communities (Arecaceae) in Quintana Roo Mexico

Arturo A. Alvarado, Luz M. Calvo, Rodrigo Duno, Dennis Pedersen, Henrik Balslev

    Research output: Contribution to conferencePosterResearch

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    We compared composition and diversity of palm (Arecaceae) communities in three forest types along a gradient from dry deciduous, over intermediate to wet evergreen forest in Quintana Roo, Mexico. In forty-nine 5×500-m transects, we counted 52,612 individuals representing 14 species in 11 genera. Within the 49 transects we found monodominance in six. The most abundant palms were Cryosophila stauracantha, Thrinax radiata and Coccothrinax readii and the least abundant were Bactris major and Gaussia maya. Thrinax radiata was the most abundant species in the northern deciduous and central intermediate forests and Cryosophila stauracantha was the most abundant palm in the evergreen rain forest to the south. Chamaedorea seifrizii and Sabal yapa were the most frequent palms in the sample. Combining all individuals in the three forest types 29% were seedlings, 59% juveniles, 1% subadults and 10% were adults. As expected, the Shannon index confirmed that the southern evergreen forest was the most diverse. Because the Yucatan Peninsula has been recognized as biotic province, and palms have ecological and economic importance, our results could be relevant for conservation and contribute to understanding diversity changes along gradients. Both species richness and overall palm abundance increased from north to south, which correlates with higher precipitation, deeper soils, fewer ground rocks and a higher forest cover.

    Original languageEnglish
    Publication date2011
    Publication statusPublished - 2011
    Event5th IBS meeting Crete 2011 - Heraklion, Greece
    Duration: 7 Jan 201111 Jan 2011


    Conference5th IBS meeting Crete 2011


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