Results 1 to 10 of about 89,781 (236)
Presence of multi-drug resistant pathogenic Escherichia coli in the San Pedro River located in the State of Aguascalientes, Mexico. [PDF]
Frontiers in Microbiology, 2013 Contamination of surface waters in developing countries is a great concern. Treated and untreated wastewaters have been discharged into rivers and streams, leading to possible waterborne infection outbreaks and may represent a significant dissemination ...
Flor Yazmin Ramirez Castillo +5 more
doaj +3 more sources
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.
Alfonso González-Díaz +3 more
doaj +4 more sources
Feeling, acting and connecting rivers: the experience of the San Pedro River Rescue Collective in Ecuador [PDF]
AlternautasThe San Pedro River Rescue Collective was born in 2021 as a citizen group whose goal is to restore the San Pedro River and its banks, which flow from the Illiniza volcano through Quito and its valleys towards the Pacific Ocean. One of the main dreams of
Raquel Andrade +3 more
doaj +3 more sources
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.
Celia López-González +3 more
doaj +4 more sources
Gayana, 2012 El río San Pedro corresponde al sistema fluvial que desagua la cadena de ocho lagos andinos de la cuenca del río Valdivia (Región de los Ríos). Este sistema recorre 40 km entre el desagüe del lago Riñihue y su confluencia con el río Collileufu, donde ...
Evelyn Habit, Oscar Parra
doaj +1 more source
Gayana, 2012 Basado en muestreos de tres años consecutivos y revisión de literatura, describimos la composición, singularidad y estado de conservación de la ictiofauna del río San Pedro, en la cuenca del río Valdivia.
Evelyn Habit, Pedro Victoriano
doaj +1 more source
Gayana, 2012 En sistemas fluviales, las comunidades biológicas están estructuradas principalmente por el hábitat físico. Conocer el tipo de hábitat que ocupa cada especie a lo largo de su vida es fundamental para comprender su ecología en sistemas naturales y definir
Alex García +2 more
doaj +1 more source
Estudios Atacameños, 2002 En este artículo se somete a revisión la problemática cultural y temporal de la prehistoria tardía del desierto de Atacama de acuerdo a un estudio sistemático y comparativo de la alfarería funeraria de las dos cuencas, San Pedro y el Loa, que componen ...
Mauricio Uribe R
doaj +10 more sources
Gayana, 2012 Los peces nativos chilenos se caracterizan por ser de tamaño pequeño (
Priscila Piedra +8 more
doaj +1 more source
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
openaire +1 more source