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    Maintaining close canopy cover prevents the invasion of Pinus radiata: Basic ecology to manage native forest invasibility

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    Date
    2019
    Author

    Murua, Maureen [Univ Mayor, Ctr GEMA Genom Ecol & Medio Ambiente, Santiago, Chile]

    Gómez, Persy

    San Martin, Jose

    Goncalves, Estefany

    Bustamante, Ramiro O.

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    Abstract
    Pine invasion is a global threat that is occurring in native forests of diverse regions of the world. This process is arising in a scenario of rapid forest deforestation and degradation. Therefore, elucidate which forests attributes explain invasibility is a central issue in forest ecology. The Coastal Maulino forest is an endemic forest of central Chile, which has suffered a large history of disturbance, being replaced by large extensions of Pinus radiata plantations. This land transformation conveys high rates of pines invasion into native remnants. In this study we examined to what extent structural features of forest patches explains invasibility of this forest-type. Within eight forest fragments, we sampled 162 plots (10 x 10 m(2) each). We quantified seedling pine density and related these estimates with tree cover, litter depth, PAR radiation, and diversity of the resident community. Our results indicate that canopy cover was the most important variable to determine seedling pine density within forest fragments. Our investigation highlights the importance to conserve the forests cover to reduce significantly their invasibility. This action can be effective even if we cannot avoid pine plantations in the region as a source of a massive seed dispersal to forests with well conserved canopy.
    URI
    https://doi.org/10.1371/journal.pone.0210849
    http://repositorio.umayor.cl/xmlui/handle/sibum/6417
    https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0210849
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    Modificado por: Sistema de Bibliotecas Universidad Mayor - SIBUM
    DSpace software copyright © 2002-2018  DuraSpace