2010
DOI: 10.3732/ajb.0900329
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Projections of suitable habitat for rare species under global warming scenarios

Abstract: The results are important for conservation of these species and are of general significance for conservation by assisted colonization. We conclude that our procedures for producing models and projecting the climate niches of Mexican spruces provide a way for handling other rare plants, which constitute the great bulk of the world's endangered and most vulnerable flora.

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Cited by 79 publications
(129 citation statements)
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References 51 publications
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“…That modeling can be done using the Random Forests classifi cation tree (Breiman, 2001), available in R (R Development Core Team, 2004;Liaw and Wiener, 2002), to predict the presence-absence of a species from climate variables; in other words, the resulting model predicts the potential distribution of a species (the set of locations with favorable climatic conditions, are these inhabited or not). That procedure has been employed to model the period of normalization and future distributions of the climatic niche for Mexican endemic rare species, Pinus chiapensis ; Picea chihuahuana, P. mexicana, and P. martinezii (Ledig et al, 2010); the high altitude Abies religiosa and Pinus leiophylla on their portion of USA distribution (Rehfeldt et al, 2006). The modeling require precise information of climate variables that occur at sites either of presence or absence, something that was solved by constructing a spline climatic model for México and for all North America .…”
mentioning
confidence: 99%
“…That modeling can be done using the Random Forests classifi cation tree (Breiman, 2001), available in R (R Development Core Team, 2004;Liaw and Wiener, 2002), to predict the presence-absence of a species from climate variables; in other words, the resulting model predicts the potential distribution of a species (the set of locations with favorable climatic conditions, are these inhabited or not). That procedure has been employed to model the period of normalization and future distributions of the climatic niche for Mexican endemic rare species, Pinus chiapensis ; Picea chihuahuana, P. mexicana, and P. martinezii (Ledig et al, 2010); the high altitude Abies religiosa and Pinus leiophylla on their portion of USA distribution (Rehfeldt et al, 2006). The modeling require precise information of climate variables that occur at sites either of presence or absence, something that was solved by constructing a spline climatic model for México and for all North America .…”
mentioning
confidence: 99%
“…cambios a nivel fisiológico), evolución a nivel genético, migración a sitios con mejores condiciones ambientales o extinguirse (Aitken, Yeaman, Holliday, Wang & Curtis-McLane, 2008;Bellard, Bertelsmeier, Leadley, Thuiller & Courchamp, 2012;Davis & Shaw, 2001;Gienapp, Teplitsky, Alho, Mills & Merilä, 2008;Ledig, Rehfeldt, Sáenz-Romero & Flores-López, 2010;Rehfeldt, 1994;Reusch & Wood, 2007). Para algunas especies podrá ser más fácil adaptarse a nuevas condiciones climáticas sin cambiar su rango de distribución.…”
Section: Reemplazo O Rehabilitaciónunclassified
“…Pero en el caso de especies longevas, una rápida adaptación o evolución in situ es poco factible, lo cual les permitiría permanecer en sus actuales hábitats en el futuro. Por lo tanto, migrar a nuevas localidades podría ser la única alternativa para escapar de la extinción (Ledig et al, 2010). Esto ya está sucediendo con algunos grupos taxonómicos, de Revista de Ciencias Ambientales (Trop J Environ Sci).…”
Section: Reemplazo O Rehabilitaciónunclassified
“…Hay investigaciones en curso y una discusión dirigida a la modificación de zonas de semillas, con el objetivo de recoger las semillas en dicha zona, pero colocando las plántulas en una zona de plantación en la que se prevé que se presente un clima que sea similar al de la zona en la que se recogieron las semillas. migration needs to be towards more southern locations, since the highest mountains in Mexico are to the south of the current population locations (Ledig, Rehfeldt, Sáenz-Romero, & Flores-López, 2010) and also because Mexico is predicted to become more arid towards the North . This is a good example of why it is useful to define migration distance using climate variables and not simply in terms of geographic distances.…”
Section: Selection Of Species For Assisted Migrationunclassified
“…Se delimitaron las distribuciones climáticas apropiadas contemporáneas y futuras de estas especies. Contraintuitivamente en este caso, la migración asistida tiene que ser hacia lugares más al sur, ya que las montañas más altas de México están al sur de las ubicaciones actuales de las poblaciones (Ledig, Rehfeldt, Sáenz-Romero, & Flores-López, 2010) y también porque se prevé que México se vuelva más árido hacia el Norte . Este es un buen ejemplo de por qué es útil definir la distancia de migración usando variables climáticas y no simplemente en términos de distancias geográficas.…”
Section: Selección De Especies Para La Migración Asistidaunclassified