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New records of Heliconia (Heliconiaceae) for the region of Chajul, Southern Mexico, and their potential use in biodiversity-friendly cropping systems Translated title: Nuevos registros de Heliconia (Heliconiaceae) para la región de Chajul, sur de México, y su uso potencial en plantaciones amigables de la biodiversidad

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      Abstract

      We report 4 new records of Heliconia species (Heliconiaceae) for the region of Chajul, one of the most studied sites of the Mexican Lacandona. Records are for H. champneiana Griggs cv. Maya Gold, H. latispatha Bentham cv. Orange Gyro, H. vaginalis Bentham, and H. wagneriana Petersen. We provide a brief description of morphological and ecological traits of the species and demonstrate the high potential they have to be cultivated in biodiversity-friendly cropping systems. We suggest the use of Heliconia in the enrichment of secondary forests and forest fragments as an alternative of combining forest management with biological conservation.

      Translated abstract

      Se registran por primera vez 4 especies de Heliconia (Heliconiaceae) para la región de Chajul, uno de los sitios más estudiados de la lacandona mexicana. Los nuevos registros son para H. champneiana Griggs cv. Maya Gold, H. latispatha Bentham cv. Orange Gyro, H. vaginalis Bentham, y H. wagneriana Petersen. Se presenta una breve descripción acerca de las características morfológicas y ecológicas de las especies y se demuestra el alto potencial que tienen para ser cultivadas en plantaciones amigables de la biodiversidad. Se sugiere el uso de Heliconia en el enriquecimiento de bosques secundarios y fragmentos de selva como una alternativa de combinar manejo forestal con conservación biológica.

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      Most cited references 13

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      Integrating agricultural landscapes with biodiversity conservation in the Mesoamerican hotspot.

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        Value of small patches in the conservation of plant-species diversity in highly fragmented rainforest.

        We evaluated the importance of small (<5 ha) forest patches for the conservation of regional plant diversity in the tropical rainforest of Los Tuxtlas, Mexico. We analyzed the density of plant species (number of species per 0.1 ha) in 45 forest patches of different sizes (1-700 ha) in 3 landscapes with different deforestation levels (4, 11, and 24% forest cover). Most of the 364 species sampled (360 species, 99%) were native to the region, and only 4 (1%) were human-introduced species. Species density in the smallest patches was high and variable; the highest (84 species) and lowest (23 species) number of species were recorded in patches of up to 1.8 ha. Despite the small size of these patches, they contained diverse communities of native plants, including endangered and economically important species. The relationship between species density and area was significantly different among the landscapes, with a significant positive slope only in the landscape with the highest deforestation level. This indicates that species density in a patch of a given size may vary among landscapes that have different deforestation levels. Therefore, the conservation value of a patch depends on the total forest cover remaining in the landscape. Our findings revealed, however, that a great portion of regional plant diversity was located in very small forest patches (<5 ha), most of the species were restricted to only a few patches (41% of the species sampled were distributed in only 1-2 patches, and almost 70% were distributed in 5 patches) and each landscape conserved a unique plant assemblage. The conservation and restoration of small patches is therefore necessary to effectively preserve the plant diversity of this strongly deforested and unique Neotropical region. ©2008 Society for Conservation Biology.
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          Neotropical Heliconia Insect Communities

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            Author and article information

            Affiliations
            [1 ] Universidad Nacional Autónoma de México Mexico
            Contributors
            Role: ND
            Role: ND
            Role: ND
            Journal
            rmbiodiv
            Revista mexicana de biodiversidad
            Rev. Mex. Biodiv.
            Instituto de Biología (México )
            2007-8706
            December 2009
            : 80
            : 3
            : 861-865
            S1870-34532009000300027

            http://creativecommons.org/licenses/by/4.0/

            Product
            Product Information: SciELO Mexico
            Categories
            Biodiversity Conservation

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