The ‘natural’ vegetation of the Mexican Bajío: Archival documentation of a 16th-century Savanna environment

Butzer, Karl W.; Butzer, Elisabeth K.

doi:10.1016/s1040-6182(97)00032-3

Cited by 75 publications

(35 citation statements)

References 11 publications

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“…The complex topography of Mexico would certainly promote such an effect. This is especially true, for example, of the Mexican Mesa Central where highly fertile agricultural lands, large human settlements, and mountains systems lie in close proximity (Butzer and Butzer 1997). In such a circumstance, one might have imagined that smallbodied, and therefore typically less space demanding, species of mammals would be more likely to exhibit a positive species richness-human density relationship, and large-bodied species requiring large home ranges would be less likely to do so.…”

Section: Discussionmentioning

confidence: 99%

“…Third, the rest of the mammal fauna shares Mexico with a population of over 98 million people, and includes one of the largest urban settlements (Mexico City) anywhere. Fourth, Mexico has a well-studied history of anthropogenic occupation (Sanders 1979;Bradbury 1982;Butzer and Butzer 1997;Challenger 1998;Grove 2000;Whitmore and Turner 2001).…”

Section: Introductionmentioning

confidence: 99%

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People and mammals in Mexico: conservation conflicts at a national scale

Vázquez

Gaston

2005

Biodivers Conserv

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Contrary to much supposition, recent studies, typically at global and continent-wide scales, have documented a positive relationship between spatial variations in human density and species richness of selected groups of vertebrates. How widely this pattern generalises remains unknown, and particularly how well it extends to analyses at the extent of a country and at reasonably fine spatial resolution, and to regions with well-developed mechanised agricultural infrastructure. Here, we demonstrate that there is a positive relationship between human density and mammal species richness across Mexico, and that this appears to follow from similar patterns between spatial environmental variation (particularly net primary productivity, precipitation and temperature) and both human density and mammal species richness. These results have some potentially important implications for conservation planning in the region, particularly given that optimal complementary sets of areas to represent all mammal species in Mexico tend to lie in areas of disproportionately high human density.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

People and mammals in Mexico: conservation conflicts at a national scale

Vázquez

Gaston

2005

Biodivers Conserv

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“…Fragmentary data from codices describe some aspects of the Postclassic period as well. Historical records cover the period after the Spanish conquest (Butzer and Butzer, 1997). However, the paleoecological proxies, although multiple, have certain limitations that hamper constructing a sufficiently detailed local scheme for the whole occupation period.…”

Section: Introductionmentioning

confidence: 99%

Tepexpan revisited: A multiple proxy of local environmental changes in relation to human occupation from a paleolake shore section in Central Mexico

et al. 2010

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“…Vegetation descriptions in these mercedes are more physiognomic than floristic, resulting in some generic diversity being lumped into single species (e.g., mesquite). Nevertheless, the vegetation inferences made by Butzer et al (1997),…”

Section: Geology and Lithologymentioning

confidence: 99%

“…Each cover type is separated by landform and is generally described by Butzer et al (1997) as follows:…”

Section: Geology and Lithologymentioning

confidence: 99%

Effects of Spatially Distributed Stream Power on Check Dam Function in Small Upland Watersheds: A Case Study of the Upper Laja Watershed, Guanajuato, Mexico

Herzfeld¹

2000

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Watershed restoration comes in a variety of forms depending on which set of problems are sought to be remedied. Severe soil erosion, in the form of gullying and/or headcutting, can be mitigated through constructing check dams in well-selected locations.This practice has been used throughout the upland subwatersheds within the Upper Laja ii study suggest that spatially distributed stream power can be used as a variable for making decisions about future check dam locations. In particular, check dams are more likely to be effective if they are located within deposition-dominated areas (negative change in total stream power) and in areas of decreasing change in total stream power. In general, this study's findings also support locating check dams in second order streams.iii

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The ‘natural’ vegetation of the Mexican Bajío: Archival documentation of a 16th-century Savanna environment

Cited by 75 publications

References 11 publications

People and mammals in Mexico: conservation conflicts at a national scale

People and mammals in Mexico: conservation conflicts at a national scale

Tepexpan revisited: A multiple proxy of local environmental changes in relation to human occupation from a paleolake shore section in Central Mexico

Effects of Spatially Distributed Stream Power on Check Dam Function in Small Upland Watersheds: A Case Study of the Upper Laja Watershed, Guanajuato, Mexico

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