2019
DOI: 10.3390/su11041138
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Shifts in Climatic Niche Occupation in Astrophytum Coahuilense (H. Möller) Kayser and Its Potential Distribution in Mexico

Abstract: It has frequently been reported that species with strong niche conservatism will not be able to adapt to new climatic conditions, so they must migrate or go extinct. We have evaluated the shifts in climatic niche occupation of the species Astrophytum coahuilense and its potential distribution in Mexico. We understand niche occupation as the geographic zones with available habitats and with the presence of the species. To assess shifts in climatic niche occupation, we used niche overlap analysis, while potentia… Show more

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Cited by 5 publications
(6 citation statements)
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References 53 publications
(99 reference statements)
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“…To create ENMs, we used the maximum entropy model (MaxEnt v 3.4.4; 6 a presence-background approach that has a high prediction power even with a small sample of presence sites (Phillips et al, 2006) and widely used in spatial ecology (Banerjee et al, 2019;Cardoza-Martínez et al, 2019;Martínez-Freiría et al, 2020;Rodríguez-Rodríguez et al, 2020;Goudarzi et al, 2021). We constructed nine distinct models by MaxEnt using (1) BCV at species-level (SL hereafter) and two WRC and ERC, (2) MEV at SL and two WRC and ERC, and (3) integrated BCV + MEV at SL and two WRC and ERC.…”
Section: Environmental Niche Modelingmentioning
confidence: 99%
“…To create ENMs, we used the maximum entropy model (MaxEnt v 3.4.4; 6 a presence-background approach that has a high prediction power even with a small sample of presence sites (Phillips et al, 2006) and widely used in spatial ecology (Banerjee et al, 2019;Cardoza-Martínez et al, 2019;Martínez-Freiría et al, 2020;Rodríguez-Rodríguez et al, 2020;Goudarzi et al, 2021). We constructed nine distinct models by MaxEnt using (1) BCV at species-level (SL hereafter) and two WRC and ERC, (2) MEV at SL and two WRC and ERC, and (3) integrated BCV + MEV at SL and two WRC and ERC.…”
Section: Environmental Niche Modelingmentioning
confidence: 99%
“…A dichos puntos se agregó información de las 19 variables ambientales del clima actual. Con la información generada se realizó un análisis de correlación bivariada para reducir la multicolinealidad entre las variables de entrada; para las variables que se encontraban altamente correlacionadas (r > 0,75) se escogió la variable que presentó mayor variación o la que representó mayor significado biológico para la especie (CARDOZA-MARTÍNEZ et al, 2019).…”
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“…Para representar la distribución potencial de C. melanura se utilizó un modelo de máxima entropía (MaxEnt, versión 3.4.1) (PHILLIPS et al, 2017). Se eligió el modelo MaxEnt porque utiliza datos de registros de presencia, es decir, ausencias seleccionadas aleatoriamente de áreas que han sido accesibles para la especie (CARDOZA-MARTÍNEZ et al, 2019). MaxEnt tiene un mejor desempeño que los modelos de ausencia de presencia; además, este método de modelación puede manejar pequeñas muestras de los datos de presencia de una especie, a partir de cinco registros geográficos (CARDOZA- MARTÍNEZ et al, 2019).…”
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