Bell-DoyonVillarreal2020

Reference

Bell-Doyon, P. and, Villarreal J.C. (2020) New Notes on the Ecology of the Epiphytic Gymnosperm and Panamanian Endemic Zamia pseudoparasitica. Neotropical Naturalist, 2:1-7. (URL )

Abstract

The Panamanian endemic cycad Zamia pseudoparasitica Yates was surveyed in the Omar Torrijos National Park, Provincia de Coclé, from May to July 2018. The species is the only strictly epiphytic gymnosperm and its life history is little known due to the inaccessibility of the plants. Using single-rope and prussik-knot tree climbing techniques, population density, seed dispersal strategy and ant-garden specificity were evaluated. Zamia pseudoparasitica is locally common in parts of the park with up to 24 individuals per hectare. No ripe ovulate cone was found, precluding the observation of seed dispersers. Almost a quarter of monitored plants presented an ant nest near or within its root system. The ants identified belonged to five genera: Camponotus, Cyphomyrmex, Megalomyrmex, Odontomachus, and Rogeria. Zamia pseudoparasitica has unique ecological attributes related to its peculiar life history. We believe the species should receive more attention from environmental authorities and the public to help preserve its habitat.

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@ARTICLE { Bell-DoyonVillarreal2020,
    AUTHOR = { Bell-Doyon, P. and, Villarreal J.C. },
    TITLE = { New Notes on the Ecology of the Epiphytic Gymnosperm and Panamanian Endemic Zamia pseudoparasitica. },
    JOURNAL = { Neotropical Naturalist },
    YEAR = { 2020 },
    VOLUME = { 2 },
    PAGES = { 1-7 },
    MONTH = { may },
    ABSTRACT = { The Panamanian endemic cycad Zamia pseudoparasitica Yates was surveyed in the Omar Torrijos National Park, Provincia de Coclé, from May to July 2018. The species is the only strictly epiphytic gymnosperm and its life history is little known due to the inaccessibility of the plants. Using single-rope and prussik-knot tree climbing techniques, population density, seed dispersal strategy and ant-garden specificity were evaluated. Zamia pseudoparasitica is locally common in parts of the park with up to 24 individuals per hectare. No ripe ovulate cone was found, precluding the observation of seed dispersers. Almost a quarter of monitored plants presented an ant nest near or within its root system. The ants identified belonged to five genera: Camponotus, Cyphomyrmex, Megalomyrmex, Odontomachus, and Rogeria. Zamia pseudoparasitica has unique ecological attributes related to its peculiar life history. We believe the species should receive more attention from environmental authorities and the public to help preserve its habitat. },
    URL = { https://www.eaglehill.us/neononline/access-pages/002-BellDoyon-accesspage.shtml },
}

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