Results 181 to 190 of about 89,781 (236)

Callegary et al 2016 San Pedro River Binational Report

2016
Callegary, James B., Sosa, Ismael Minjárez, Villaseñor, Elia M. Tapia, Santos, Placido Dos, Saavedra, Rogelio Monreal, Noriega, Francisco J. Grijalva, Huth, Anne K., Gray, Floyd, Scott, Christopher A., Megdal, Sharon B., Ramos, Lucas A. Oroz, Medina, Miguel Rangel, Leenhouts, James M.   +12 more
openaire   +2 more sources

Crystallized Mineral Depositsof the San Pedro River Basin, Arizona

New Mexico Mineral Symposium, 2014
Barbara L. Muntyan
openaire   +2 more sources

A PEDOGENIC RECORD OF ENVIRONMENTAL CHANGE IN THE UPPER SAN PEDRO RIVER BASIN

Geological Society of America Abstracts with Programs, 2019
Craig Rasmussen, Christopher Shepard, Lin Ma, Neil J. Tabor   +3 more
openaire   +2 more sources

Postfire Breeding Behavior in Couch's Spadefoot Toad (Scaphiopus couchii) along the San Pedro River, Arizona

Western North American Naturalist, 2020
. Fire is an important ecosystem process that can impact local amphibian communities and breeding behaviors. Riparian gallery forests of the American Southwest are an important habitat for amphibians that breed in river channels, wetlands, and pools ...
Sidney B. Riddle, C. Herzog, H. Bateman, M. J. Ryan   +3 more
semanticscholar   +1 more source

QUANTITATIVE TRENDS OF ACTUAL EVAPOTRANSPIRATION IN THE UPPER SAN PEDRO RIVER RIPARIAN CORRIDOR

Geological Society of America Abstracts with Programs
Pamela Nagler, Ibrahima Sall, Armando Barreto-Muñoz, Kamel Didan   +3 more
openaire   +2 more sources

Determination of toxicity levels in the San Pedro River Watershed, Aguascalientes, Mexico

Journal of Environmental Science and Health, Part A, 2007
A quantitative study of toxicity levels of the San Pedro River and its main tributaries around the city of Aguascalientes, Mexico was conducted. Our study determined individual CL(50) values for each sampling point at 3 different times of the year corresponding to the main seasons of the year in terms of the hydrological cycle (dry, low rain and high ...
Gustavo Emilio, Santos-Medrano, Elsa Marcela, Ramírez-López, Saraí, Hernández-Flores, Paulina Margarita, Azuara-Medina, Roberto, Rico-Martínez   +4 more
openaire   +2 more sources

Santa Cruz-San Pedro River Basin, Arizona: Main Report

1977
Excerpts from the report: This report presents information in terms of two separate study areas, the Santa Cruz and the San Pedro areas. It covers 16,501 square miles of southeastern Arizona and includes all or portions of six counties (Cochise, Graham, Santa Cruz, Pima, Pinal, and Maricopa), the Coronado National Forest, fourteen natural resource ...
Soil Conservation Service, Economic Research Service, Service, Forest, Soil Conservation Service, Economic Research Service, Service, Forest   +5 more
openaire   +1 more source

Electrical Resistivity Surveys to Define Distributions of Silt and Clay Layers Near the San Pedro River, Sierra Vista Subwatershed of the Upper San Pedro River Basin

Symposium on the Application of Geophysics to Engineering and Environmental Problems 2002, 2002
Ground-water flow to the ecologically important San Pedro River in southeastern Arizona is restricted by the distribution of underlying silt and clay layers. A better understanding of the distribution of these layers is needed to determine the effects of groundwater withdrawals on river flow.
John Fleming, Don Pool, Jim Leenhouts
openaire   +1 more source

Santa Cruz-San Pedro River Basin, Arizona: Resource Inventory

1977
Excerpts from the report: The Santa Cruz-San Pedro River Basins study area is located in southeastern Arizona. It includes 16,501 square miles located in parts of Pima, Cochise, Pinal, Santa Cruz, Graham, and Maricopa Counties. The boundaries of the study area are determined by the drainage areas of the Santa Cruz River, San Pedro River, Willcox Playa,
Soil Conservation Service, Economic Research Service, Service, Forest, Soil Conservation Service, Economic Research Service, Service, Forest   +5 more
openaire   +1 more source

Evidence of Food-Caching Behavior in the American Beaver (Castor canadensis) Prior to and after Pond Drying in the San Pedro River, Arizona, USA

Western North American Naturalist
. After ∼100 years of absence, beaver (Castor canadensis) were reintroduced to the San Pedro River in southeastern Arizona in 1999. Total streamflow in the San Pedro River has decreased during the past 90 years.
Steven Merkley, Frank Emanuele, Sergio Cebreros, Lluvia Perez   +3 more
semanticscholar   +1 more source