Mammals of the San Pedro-Mezquital River Basin, Durango-Nayarit, Mexico [PDF]
Check List, 2014 The San Pedro–Mezquital River Basin is located in the southern Sierra Madre Occidental, at the Nearctic– Neotropical transition. The river traverses the Sierra through a canyon that reaches over 1000 m in depth. Based on examination of museum specimens, literature records, and our own collections, we documented the occurrence of 120 species (24.6% of ...
Celia López-González +3 more
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Arsenic concentrations in the San Pedro River of Chihuahua, Mexico [PDF]
WIT Transactions on Biomedicine and Health, Vol 11, 2007 There is a general belief that high levels of arsenic are found in waters of the northern states of Mexico. In order to test this hypothesis, research was conducted with the objective of determining arsenic levels in waters of the San Pedro River located in the state of Chihuahua, Mexico.
R. Gutiérrez-Espinoza +4 more
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Fishes in the lower San Pedro Mezquital River, Nayarit, Mexico [PDF]
Check List, 2015 The San Pedro Mezquital River is the seventh largest river in Mexico, and flows through the Sierra Madre Occidental into the Marismas Nacionales Biosphere Reserve, on the coast of the state of Nayarit. The present study is to conform a systematic checklist of fishes in the lower basin of the San Pedro Mezquital River.
Alfonso González-Díaz +3 more
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cultural geographies, 2019 In this experimental photo essay, I begin to craft an imaginative archive of the San Pedro river (Arizona) as a tentative conversation between geomorphology and creativity. Through several visits to this site, I experimented with incorrectly exposed photography as an alternative way of understanding geomorphological research, which must constantly ...
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Eutrophication Levels through San Pedro-Mezquital River Basin
Journal of Environmental Protection, 2013 This paper presents an eutrophication diagnosis for the San Pedro-Mezquital basin at Mexico; procedure accounted to set up 10 sampling points distributed along the river pathway, sample collection was done at two extreme conditions: rainy season and dry season. Five parameters were analyzed in this work: pH, % Dissolved Oxygen, reactive phosphorus,
María Elena Pérez López +3 more
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A Survey of Archaeological, Architectural and Historical Sites on the San Antonio River from Olmos Dam to South Alamo Street and on San Pedro Creek from San Pedro Park to Guadalupe Street [PDF]
, 1979 In January 1979, the Center for Archaeological Research, The University of Texas at San Antonio, was requested by the Fort Worth District United States Army Corps of Engineers to prepare a historical, architectural and archaeological survey of the lands ...
Fox, Anne A.
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A preliminary synthesis of major scientific results during the SALSA program [PDF]
, 2000 The objective of this paper is to provide an overview of the primary results of the Semi-Arid Land-Surface-Atmosphere (SALSA) Program in the context of improvements to our overall understanding of hydrologic, ecologic, and atmospheric processes and their
Chehbouni, A +8 more
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Quantifying water sources to a semiarid riparian ecosystem, San Pedro River, Arizona [PDF]
Journal of Geophysical Research: Biogeosciences, 2007 The Upper San Pedro River Basin (Southeastern Arizona, United States) contains one of the few desert riparian areas in the Southwest, a system that is dependent on both shallow groundwater to support phreatic vegetation and baseflow for aquatic plants and animals.
Matthew N. Baillie +4 more
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Drones and Digital Photogrammetry: From Classifications to Continuums for Monitoring River Habitat and Hydromorphology [PDF]
, 2017 Recently, we have gained the opportunity to obtain very high-resolution imagery and topographic data of rivers using drones and novel digital photogrammetric processing techniques.
Colin N +6 more
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panish, French and British Encounters with Native American Cultures, from Colonial Guatemala to Virginia [PDF]
, 2019 Die Kolonialisierung der Neuen Welt führte zu beispiellosen politischen und sozialen Ver-änderungen, die sich für die Betroffenen u. a. je nach Kontaktzeitraum und Art und Weiseder Begegnung(en) unterschieden.
Howell, Mark
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