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      Current and future potential distribution and identification of suitable areas for the conservation of Cedrela odorata L. in the Yucatan Peninsula Translated title: Distribución potencial actual y futura e identificación de áreas aptas para la conservación de Cedrela odorata L. en la península de Yucatán

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          Abstract

          Abstract Introduction: Red cedar (Cedrela odorata L.) is appreciated for its wood, a situation that has caused poor forest management and, therefore, a decrease in its areas of distribution. Objective: To delimit the current and future potential distribution of C. odorata and to identify suitable seed-producing areas for the conservation of the species in the Yucatan Peninsula. Materials and methods: Records of the presence of C. odorata were obtained from the Global Biodiversity Information Facility (GBIF), the National Forest and Soil Inventory (INFyS in Spanish) and the book "Árboles tropicales de México". The modeling was done in MaxEnt using current environmental variables and future (2030) climate change scenarios at 1 km2 spatial resolution. Seventy-five percent of the records were used to train the models and 25 percent to validate them. The variables with the greatest contribution were determined by the jackknife test. Results and discussion: The estimated current potential distribution of C. odorata was 404 917 ha. Climate change simulations predict a reduction (31 to 44.8 %) of the suitable habitat, where the natural protected areas (ANPs) of Calakmul, Los Petenes and Ría Celestún would serve as climate refuges, conserving about 76 472 ha. The important variables in the distribution were: vegetation (34.7 %), precipitation of the wettest month (14.6 %), edaphology (8.8 %), average temperature of the coldest quarter (8.6 %) and slope (7 %). Conclusion: The models allowed the identification of suitable areas with habitat quality of C. odorata. In view of the threats of climate change, the distribution of C. odorata in PNAs would help conservation and restoration programs in situ.

          Translated abstract

          Resumen Introducción: El cedro rojo (Cedrela odorata L.) es apreciado por su madera, situación que ha ocasionado un mal manejo forestal y, por ende, la disminución de sus áreas de distribución. Objetivo: Delimitar la distribución potencial actual y futura de C. odorata e identificar áreas idóneas productoras de semillas para la conservación de la especie en la península de Yucatán. Materiales y métodos: Se obtuvieron registros de presencia de C. odorata de la plataforma Global Biodiversity Information Facility (GBIF), del Inventario Nacional Forestal y de Suelos (INFyS) y del libro “Árboles tropicales de México”. La modelación se realizó en MaxEnt utilizando variables ambientales actuales y de escenarios futuros (2030) de cambio climático a 1 km2 de resolución espacial. Se empleó 75 % de los registros para entrenar los modelos y 25 % para validarlos. Las variables con mayor contribución se determinaron mediante la prueba jackknife. Resultados y discusión: La distribución potencial actual estimada de C. odorata fue 404 917 ha. Las simulaciones de cambio climático predicen reducción (31 a 44.8 %) del hábitat idóneo, donde las áreas naturales protegidas (ANP) de Calakmul, Los Petenes y Ría Celestún fungirían como refugios climáticos, conservando cerca de 76 472 ha. Las variables importantes en la distribución fueron: vegetación (34.7 %), precipitación del mes más húmedo (14.6 %), edafología (8.8 %), temperatura media del trimestre más frío (8.6 %) y pendiente (7 %). Conclusión: Los modelos permitieron la identificación de áreas idóneas con calidad de hábitat de C. odorata. Ante las amenazas del cambio climático, la distribución de C. odorata en las ANP ayudaría a los programas de conservación y restauración in situ.

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          Most cited references60

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          A statistical explanation of MaxEnt for ecologists

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            Modeling of species distributions with Maxent: new extensions and a comprehensive evaluation

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              A significant upward shift in plant species optimum elevation during the 20th century.

              Spatial fingerprints of climate change on biotic communities are usually associated with changes in the distribution of species at their latitudinal or altitudinal extremes. By comparing the altitudinal distribution of 171 forest plant species between 1905 and 1985 and 1986 and 2005 along the entire elevation range (0 to 2600 meters above sea level) in west Europe, we show that climate warming has resulted in a significant upward shift in species optimum elevation averaging 29 meters per decade. The shift is larger for species restricted to mountain habitats and for grassy species, which are characterized by faster population turnover. Our study shows that climate change affects the spatial core of the distributional range of plant species, in addition to their distributional margins, as previously reported.
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                Author and article information

                Journal
                rcscfa
                Revista Chapingo serie ciencias forestales y del ambiente
                Rev. Chapingo ser. cienc. for. ambient
                Universidad Autónoma Chapingo, Coordinación de Revistas Institucionales (Chapingo, Estado de México, Mexico )
                2007-3828
                2007-4018
                December 2020
                : 26
                : 3
                : 391-408
                Affiliations
                [1] Linares orgnameUniversidad Autónoma de Nuevo León orgdiv1Facultad de Ciencias Forestales Mexico
                Article
                S2007-40182020000300391 S2007-4018(20)02600300391
                10.5154/r.rchscfa.2019.10.075
                9ef532a8-0131-47e7-a935-9dfd45ad52bf

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

                History
                : 14 June 2020
                : 15 October 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 60, Pages: 18
                Product

                SciELO Mexico

                Categories
                Scientific article

                modelación espacial,hábitat idóneo,distribución potencial,cedro rojo,Cambio climático,spatial modelling,suitable habitat,potential distribution,red cedar,Climate change

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