Conserving Neotropical Biodiversity: The Role of Dry Forests in Western Mexico

Ceballos, Gerardo; García, Andrés

doi:10.1046/j.1523-1739.1995.09061349.x

Cited by 122 publications

(91 citation statements)

References 3 publications

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“…This may be due to the structural complexity that makes an ecosystem with greater species richness in Mexico (Ceballos & García, 1995, Ceballos et al, 2010, and the fact of having a greater horizontal and vertical stratification with respect to others, thus generating increased availability of habitats and ecological niches (Blake & Loiselle, 1991, McIntyre, 1995, Villard et al, 1999, as the plant structure determines the amount and distribution of resources used by birds. The differences in diversity and richness found indicate that the tropical deciduous forest, tropical semideciduous forest, and secondary forest show a greater richness compared to other modified habitats (i.e., agricultural fields, cattle pasture).…”

Section: Discussionmentioning

confidence: 99%

Relationships Between Bird Species Richness and Natural and Modified Habitat in Southern Mexico

Ramírez‐Albores¹,

Navarro‐Sigüenza²

2011

Changing Diversity in Changing Environment

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Section: Discussionmentioning

confidence: 99%

Relationships Between Bird Species Richness and Natural and Modified Habitat in Southern Mexico

Ramírez‐Albores¹,

Navarro‐Sigüenza²

2011

Changing Diversity in Changing Environment

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“…This pattern agrees with that found for Phaseolus, a genus for which this grouping of the SMOC, the western of EV, and the northwest section of SMS constitute a biological corridor between western and southern Mexico (Martínez, 1995). Mexico's Pacific coast, with a predominance of tropical deciduous forests, is considered an important phytogeographical region with many endemic species, and a high species richness (Lott, 1993;Ceballos and García, 1995;Gentry, 1995). In the case of Datura, this diversity is reflected in the number of species found along this coast; some of them, such as D. lanosa and D. reburra, are native to the northern portion while others are distributed mainly in the southern portion, such as D. metel and D. stramonium.…”

Section: Axis 1 Axis 2 Axismentioning

confidence: 99%

Datura arenicola(Solanaceae): A New Species in the New SectionDiscolafrom Baja California Sur, Mexico

Watson¹

2013

Madroño

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Abstract. The geographic distribution of the species of Datura in Mexico was analyzed using numerical analysis of natural populations documented by herbarium specimens. A map of Mexico was divided into 239, 1° x 1° squares (latitude and longitude) which were used as sampling geographical units and in which the presence or absence of each species of Datura was recorded. Multivariate procedures were applied: a), TWINSPAN classification to define Datura´s main distribution areas; b), Detrended Correspondence Analysis (DCA) to define Datura´s main distribution gradients, and c), Canonical Correspondence Analysis (CCA) to relate distribution patterns with geographical and climatic factors. Species of Datura were found in 69% (165) of the squares. TWINSPAN defined 14 groups which, when associated with Mexico's biogeographic provinces, were concentrated in the northwestern Mexican provinces as well as in the Altiplano Norte and Altiplano Sur and the Sierra Madre Occidental. DCA indicated that Datura's main distribution patterns are explained by 3 principal gradients: altitude, humidity, and latitude. The CCA identified longitude, precipitation of the driest quarter, altitude, and average temperature of the warmest quarter as the most important variables affecting Datura´s distribution patterns. The Depresión del Balsas region of central Mexico is the area with greatest species richness of Datura.

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“…Among these forests, the tropical dry forest (TDF) is one of the most important in Mexico, since it occupies the third largest area Gerez, 1994., Palacios-Prieto et al, 2000). It has been calculated that the TDF hosts 33.0% (824 species) of the terrestrial vertebrates of Mexico and 6000 species of vascular plants (Ceballos & García, 1995., Rzedowski, 1991a, of which 40.0% are endemic (Rzedowski, 1991b). Flores and Gerez (1994) estimated that the coverage of TDF in Mexico in 1981 was 12.4% but that only 8.9% presented no evidence of disturbance.…”

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confidence: 99%

Changes in the deforestation dynamics of a river sub-basin of Mexico: non-recovery of primary habitats following cessation of deforestation

Sotelo-Caro

Chichia-González

Sorani

et al. 2015

Rev. geogr. Norte Gd.

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In the Neotropical area of the Río Apatlaco sub-basin (central Mexico), high deforestation can be attributed to urban development, as this area concentrates the highest human population density in Morelos state. The objective of this study was to analyze changes in land use and vegetation in this sub-basin from 2002 to 2012 using geographic information systems. The results show that, over the period of analysis, the main changes occurred in the grassland and coniferous forest. However, in the tropical dry forest (TDF) the annual rate of deforestation (0.13%) was much lower than previously estimated (1.4%), but no recovery took place. It is possible that deforestation of the TDF was halted because the remaining areas with forest remnants were unsuitable for agricultural activities and/or abandonment of such activities has taken place. It is therefore a priority to protect these areas of secondary vegetation that serve as a buffer for conserved areas, allowing their recovery and contributing to their interconnectivity. Key words:Land cover change, Rio Apatlaco, Geographic Information Systems. RESUMENEn la zona Neotropical de la sub-cuenca del río Apatlaco (centro de México), la alta deforestación puede ser atribuida al desarrollo urbano, ya que esta zona concentra la mayor densidad de población del Estado de Morelos. El objetivo de este estudio es analizar los cambios en el uso del suelo y de la vegetación en esta subcuenca entre 2002 y 2012, utilizando Sistemas de Información Geográfi ca. Los resultados muestran que, durante el período de análisis, los principales cambios ocurrieron en los pastizales y bosques de coníferas. Sin embargo, el bosque tropical caducifolio (BTC) sufrió una tasa anual de deforestación (0,13%) mucho más baja que la estimada previamente (1,4%), pero no ocurrió una recuperación. Es posible que la deforestación del BTC se haya detenido, debido a que las áreas con remanentes de bosque, son inadecuados para la agricultura u otras actividades. Es una prioridad proteger las áreas de vegetación secundaria, pues sirven como un amortiguador para las áreas fragmentadas, lo que permitiría su recuperación y contribuir a su interconectividad.Palabras clave: Cambio de cobertura del suelo, río Apatlaco, Sistemas de Información Geográfi ca.

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Conserving Neotropical Biodiversity: The Role of Dry Forests in Western Mexico

Cited by 122 publications

References 3 publications

Relationships Between Bird Species Richness and Natural and Modified Habitat in Southern Mexico

Relationships Between Bird Species Richness and Natural and Modified Habitat in Southern Mexico

Datura arenicola(Solanaceae): A New Species in the New SectionDiscolafrom Baja California Sur, Mexico

Changes in the deforestation dynamics of a river sub-basin of Mexico: non-recovery of primary habitats following cessation of deforestation

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