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      Phytosociology of a seasonally dry tropical forest in the State of Michoacán, Mexico Translated title: Fitosociología del bosque tropical estacionalmente seco del Estado de Michoacán, México

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          Abstract

          Abstract Background: seasonally dry tropical forests are considered critical and important ecosystems because they harbor exceptional biological diversity. Mexico lacks sound phytosociological studies of Seasonally Dry Tropical Forest and Michoacán is no exception. The present study may be regarded the first phytosociological in most of the Mexican pacific coast where seasonally dry tropical forests occurs. Questions/Objective: We aimed at describing the representative plant associations of the seasonally dry tropical forest, distributed on western Michoacán and to provide a sintaxonomic classification framework based on the floristic differentiation of the recognized communities and highlight its phytocenotic diversity. Study site and dates: Estado de Michoacán; 20 years. Methods: A total of 82 phytosociological inventories were conducted. Data were submitted to multivariate two-way indicator species analyses to depict plant communities and their ecological affinities. Results: From its analysis and interpretation, nine plant groups were differentiated, of which all but one was given the rank of association, which are Lysilomo acapulcensis-Heliocarpetum terebinthinacei, Ceibo aesculifoliae-Lysilometum divaricatae, Caesalpinio platylobae-Cordietum elaeagnoidis, Cochlospermo vitifolii-Lueheetum candidae, Lysilomo divaricatae-Cordietum elaeagnoidis; Stenocereo quevedonis-Cordietum selerianae, Guazumo ulmifoliae-Cordietum elaeagnoidis¸ Lonchocarpo huetamoensis-Cordietum elaeagnoidis and the community of Spondias purpurea-Cochlospermum vitifolium. Conclusions: Comparative floristic and structural profiles among plant communities permitted us to distinguish their bioclimatic relationships. Diagnostic species representative of all plant associations were selected and used for sintaxonomic nomenclature. Plant associations were finally array along bioclimatic and altitudinal gradients and showed in arranged phytosociological tables. The plant association/community’descriptions permitted to compare structural physiognomy, floristic composition, ecological affinities, distribution patterns and bioclimatic liaison among them.

          Translated abstract

          Resumen Antecedentes: Los bosques tropicales estacionalmente secos se consideran ecosistemas críticos e importantes porque albergan una diversidad biológica excepcional. México carece de estudios fitosociológicos robustos de estos bosques y Michoacán no es la excepción. Este estudio puede ser considerado como el primer análisis fitosociológico en la costa pacífica mexicana donde ocurren los bosques tropicales estacionalmente secos. Preguntas/Objetivo: Nos propusimos contribuir el registro de las asociaciones mejor representadas en el occidente del Estado y dar una clasificación basada en las afinidades florísticas y resaltar a diversidad fitocenótica. Sitio y años de estudio: Estado de Michoacán; 20 años. Métodos: Se realizaron un total de 82 inventarios fitosociológicos. Los datos fueron sometidos a análisis multivariados de especies indicadoras de dos vías para definir las asociaciones y conocer sus afinidades ecológicas. Resultados: Se diferenciaron nueve agrupaciones de plantas, de las cuales a todas, menos una, se les asignó el rango de asociación y son Lysilomo acapulcensis-Heliocarpetum terebinthinacei, Ceibo aesculifoliae-Lysilometum divaricatae, Caesalpinio platylobae-Cordietum elaeagnoidis, Cochlospermo vitifolii-Lueheetum candidae, Lysilomo divaricatae-Cordietum elaeagnoidis, Stenocereo quevedonis-Cordietum selerianae, Guazumo ulmifoliae-Cordietum elaeagnoidis¸ Lonchocarpo huetamoensis-Cordietum elaeagnoidis y la comunidad Spondias purpurea-Cochlospermum vitifolium. Conclusiones: La comparación entre los inventarios posibilitó la individualización de grupos que se pudieron vincular con asociaciones/comunidades vegetales y permitieron su caracterización a través de sus vínculos florísticos y estructurales, y de sus preferencias bioclimáticas. De esta manera se seleccionaron las especies diagnósticas características de cada asociación, sus ambientes preferenciales, su jurisdicción fisiográfica y los pisos bioclimáticos donde se distribuyen.

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          Most cited references68

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          Biodiversity loss and its impact on humanity.

          The most unique feature of Earth is the existence of life, and the most extraordinary feature of life is its diversity. Approximately 9 million types of plants, animals, protists and fungi inhabit the Earth. So, too, do 7 billion people. Two decades ago, at the first Earth Summit, the vast majority of the world's nations declared that human actions were dismantling the Earth's ecosystems, eliminating genes, species and biological traits at an alarming rate. This observation led to the question of how such loss of biological diversity will alter the functioning of ecosystems and their ability to provide society with the goods and services needed to prosper.
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            Changes in Plant Community Diversity and Floristic Composition on Environmental and Geographical Gradients

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              A global overview of the conservation status of tropical dry forests

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                Author and article information

                Journal
                bs
                Botanical Sciences
                Bot. sci
                Sociedad Botánica de México A.C. (México, DF, Mexico )
                2007-4298
                2007-4476
                December 2020
                : 98
                : 4
                : 441-467
                Affiliations
                [5] Iztapala orgnameUniversidad Nacional Autónoma de México orgdiv1Facultad de Estudios Superiores Zaragoza Mexico
                [1] Morelia orgnameUniversidad Nacional Autónoma de México orgdiv1Centro de Investigaciones en Geografía Ambiental Mexico
                [3] Zapopan orgnameUniversidad de Guadalajara orgdiv1Centro Universitario de Ciencias Biológicas y Agropecuarias orgdiv2Departamento de Ciencias Ambientales Mexico
                [6] Guanajuato orgnameUniversidad de Guanajuato orgdiv1Departament de Ingenieria Geomática e Hidraulica Mexico
                [2] Lugo orgnameUniversidad de Santiago de Compostela orgdiv1Escuela Politécnica Superior de Ingeniería orgdiv2Departamento de Botánica Spain
                [4] orgnameUniversidad Autónoma del Estado de México orgdiv1Centro de Investigación en Ciencias Biológicas Aplicadas Mexico
                Article
                S2007-42982020000400441 S2007-4298(20)09800400441
                10.17129/botsci.2568
                39f089dd-5f00-4066-a123-227f797358d0

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 06 February 2020
                : 11 June 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 68, Pages: 27
                Product

                SciELO Mexico

                Categories
                Ecology

                Ecology
                México,low-height tropical jungle,Asociaciones,Mexico,tropical caducifolious forest,phytocenotic diversity,Associations,bosques tropicales caducifolios,selva baja caducifolia,diversidad fitocenótica

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