Jerez Jaimes, Javier H.

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    Composición de tardígrados en el musgo Caymperes palisotti Schwaegrichen sobre seis forofitos (árboles) en la Universidad de Puerto Rico, Recinto de Mayagüez
    (2003) Jerez Jaimes, Javier H.; Bunkley Williams, Lucy; College of Arts and Sciences - Sciences; Lewis, Allen; Torres, Ramón T.; Department of Biology; Vicente, Nydia E.
    The influence of the phorophytes (trees) Bucida buceras (ucar), Calophyllum brasiliense (Maria tree), Hymenaea courbaril (locust), Mangifera indica (Mango), Veitchia merrillii (palma Manila) , and Swietenia macrophylla (Caoba) on the composition of the tardigrade communities on the corticolous moss Calymperes palisotii was studied at the University of Puerto Rico, Mayagüez Campus from February to March (dry season) and April to May (rainy season) of 2003. Two trees of each phorophyte species were selected, from each of which five, 4 cm2 samples were taken in each period. Seven species of tardigrades were found; three of these, Doryphoribius bertolanii (on moss Hyophilla involuta on soil), Doryphoribius citrinus and Pseudechiniscus juanitae, are new for Puerto Rico. The ecology of these tardigrades was studied including analysis of density, distribution, species richness, diversity. Statistical analysis was carried out using anova, principal components, similarity analysis, and mean dispersion distance (MDD). Bark pH was the most important variable in the composition of the tardigrade communities. Tardigrade communities from Mangifera indica and S. macrophylla presented the highest species richness and diversity.