The Altar Valley Conservation Alliance is a collaborative conservation organization founded in 1995, and incorporated as a 501(c)3 not-for-profit organization. Just southwest of Tucson, Arizona, the Altar Valley comprises approximately 610,000 acres of Sonoran desert grassland, some of the most biologically rich and ecologically threatened biotic communities in the world. Private ranches work side by side with federal, state and local agencies to manage the valley, which is the largest unfragmented watershed in Pima County, outside of the Tohono O’odham Nation to the west. This collection is an archive of reports and other documents specific to Alliance activities.
Altar Valley Conservation Alliance
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Records in Collection
Tool for decision making on managing brush in arid landscapes.
Obituary for Pete Phelps.
Excerpt from Routes to Desert Watering Places in the Papago Country, Arizona The desert region of the United States forms a great triangle whose base, 800 miles long, is the Mexican border from the Peninsular Mountains, in southern California, to...
In an effort to promote healthy rangelands and restore diverse grasslands in southeastern Arizona, a coalition of Conservation Partners was formed about 4-5 years ago. Operationally the Border Project includes both a working team and an advisory...
Presentation by Drs. Charles Hart, DowAgro Sciences and Kirk McDaniel, Prof. Emeritus, NMSU about brush management control in southern Arizona.
"The overall goal of the Pima County MSCP is to balance the need to comply with the ESA while allowing for the future growth of the built environment. The biological goal of the Pima County MSCP is to provide a long-term conservation benefit to...
"A guide to the geology of the area around Brown Canyon in the Baboquivari Mountains of south-central Arizona. The first part introduces some basic geologic principles and concepts to recreate the geologic history of southern Arizona and Brown...
This Framework guided borderlands jaguar conservation efforts between 2007 and 2011. It details the specific objectives of the Jaguar Conservation Team and the Jaguar Scientific Advisory Group and outlines the group's intentions to cooperate...
This map depicts the predicted distribution of jaguars (Panthera onca) in Arizona and includes the locations of recent sightings.
This Animal Abstract includes information on the taxonomy, range, biology, population trends, and conservation status of jaguars (Panthera onca) in Arizona.
This webpage contains press releases, internal investigation transcripts, a timeline of events, and additional information on Macho B, a male jaguar captured by Arizona Game and Fish Officials which later died as a result of capture-related injuries...
This report described the methods used to characterize and map jaguar habitat throughout Arizona and includes numerous maps.
This webpage includes information related to Macho B, a male jaguar captured by Arizona Game and Fish Department officials in February 2009 who later died as a result of capture related injuries.
Abstract—A variety of efforts are taking place to detect, inventory, and monitor the wild felids (pumas, bobcats, jaguars, and ocelots) of the Madrean Archipelago. Researchers are using a suite of noninvasive methods, including infrared-triggered...
Abstract: The recovery goal for the jaguar Panthera onca in the USA should be to restore significant presence with some reproduction, consistent with historical records. Nevertheless, the prevailing conservation strategy for the jaguar does not...
Abstract: The designation of jaguar critical habitat in April 2014 in southern Arizona and southwestern New Mexico created concern for livestock ranchers in the region. We interviewed ranchers to understand their concerns with the jaguar...
Abstract—Conservation biologists, NGOs, and the USFWS have established a goal of returning a viable population of jaguars into the United States. The source population for this recovery will come from Sonora, Mexico, the closest sub-population of...
ABSTRACT: This report summarizes the results of the first two meetings of the Arizona-New Mexico Jaguar Conservation Team (JAG Team) Research Committee and outlines future research that will guide the JAG Team in sound conservation management...
This report summarizes the results of the jaguar habitat assessment project and other related activities of the Jaguar Habitat Subcommittee of the AGFD Jaguar Conservation Team.
This article reviews many of the sightings and reports of jaguars in Arizona and New Mexico in the past century.
Abstract: This document embraces two components. First, a Conservation Assessment describes the current status of the jaguar in the United States, and identifies and assesses risks to the jaguar in Arizona and New Mexico. The Assessment focuses the...
This article contains references to jaguars in Arizona for the period of 1885-1959. All references from the 18 years previous to the publication of the report were within 50 miles of the U.S.-Mexico border.
Abstract: The jaguar (Panthera onca) is an endangered species that occasionally visits the southwestern United States from Mexico. The number of jaguar sightings per decade has declined over the last 100 years in Arizona, USA, raising conservation...
Abstract: This paper describes a partnership of the Bureau of Land Management (BLM), the Bureau of Reclamation (Reclamation), the University of Arizona, and the Arizona Department of Water Resources (DWR). The partnership is assessing and...
This article details the capture of Macho B, a male jaguar, in the Atascosa Mountains of Arizona on February 18, 2009 and the controversy that followed his death from capture-related stress less than two weeks later.
This settlement agreement details the arrangement between Altar Valley Conservation Alliance (AVCA) and Sierrita Gas Pipeline, LLC which provides $1,000,000 to AVCA to oversee projects that promote the ecology of the Altar Valley including watershed...
This proposal outlines several projects aimed at evaluating the impacts of the Sierrita Gas Pipeline on vegetation, erosion, and the geomorphic characteristics of washes bisected by the construction.
This press release covers an agreement signed by the Altar Valley Conservation Alliance (Alliance) and Sierrita Gas Pipeline, LLC (Sierrita) regarding the Sierrita Lateral Pipeline Project in Altar Valley. In exchange for withdrawing the Alliance...
This document details Sierrita Gas Pipeline LLC's plan to mitigate impacts within the project area resulting from construction. Short-term goals include minimizing erosion and sedimentation potential on lands affected by the project. Protocols...
This document details Sierrita Gas Pipeline LLC's approach to the restoration and revegetation of lands affected by their construction activities and includes monitoring goals and techniques, performance criteria, and reporting requirements.
This is the final signed agreement between Sierrita Gas Pipeline LLC, Pima County, and the Pima County Regional Flood Control District regarding the Sierrita Gas Pipeline Project. A long-term monitoring plan is also included.
This report on wetland conditions along the lower Santa Cruz river is presented in a very accessible format and includes information on assessment methods, water quality, aquatic wildlife, riparian vegetation, and the social impacts of this stretch...
Abstract: This report presents the U.S. Department of Agriculture’s (USDA) findings and recommendations for assessing natural resource conditions and evaluating the effectiveness of conservation efforts. Drawing upon the two USDA project studies,...
This report was compiled from data reported by the Arizona State Land Department, the US Forest Service, Arivaca Fire, and the Buenos Aires National Wildlife Refuge.
This report presents the results of field surveys for Pima Pineapple Cactus (PPC) on the Las Delicias burn unit conducted after a 2006 prescribed burn.
The Wildlife Habitat Evaluation Guide for Pronghorn Antelope provides a scoring rubric for pronghorn habitat which includes plant community, landscape, cover, food, water, and fragmentation characteristics.
This page contains mammal abstracts containing the taxonomy, biology, distribution, population trends, and management status of a wide variety of Arizona mammals.
This Animal Abstract contains information on the taxonomy, identification, range, biology, management, and population trends of the Chihuahuan Pronghorn (Antilocapra americana mexicana).
This Animal Abstract contains information on the taxonomy, identification, range, biology, management, and population trends of Antilocapra americana sonoriensis.
This research was conducted because of concerns surrounding the fragmentation of Pronghorn habitat in the Big Chino Valley, Arizona. To promote the long-term viability of the resident pronghorn herd, the Arizona Game and Fish Department used GPS...
Part of the Big Game Hunting section of the Arizona Game and Fish Department's website, this page contains information on the life history, hunting history, and ecology of the American Pronghorn.
A list of names of historic and contemporary residents of the Altar Valley area.
In this letter, Steve Carson gives a brief overview of the history of roads in the West and the role they have played in altering watershed dynamics. With the widespread damage to watersheds that poor road construction has caused as a backdrop,...
A brief overview of the ecology of North American Pronghorn in Arizona.
This booklet explains the purpose and benefits of the Multi-Species Conservation Plan (MSCP) and the Section 10 permit that Pima County applied for with the US Fish and Wildlife Service. Maps of the the permit area and a brief overview of its...
This tour takes participants to several stops throughout the Altar Valley including the Contest Well, the San Simone Fan Structure, the Timber Draw Dam Site,the Goat Well Drop Structure, and the San Simone Barrier Structure while recounting the...
This document sets out to evaluate the potential for treating 230 acres of abandoned farmland in the Northern Altar Wash Project Area and contains an assessment of treatment techniques used in the 1970s to re-vegetate abandoned farmland in Red Rock...
This field guide provides extensive examples of soil bio-engineering structures that can be used for slope stabilization including vegetated retaining walls, hedge layering, sodding, gully head erosion control structures, and palisades. The guide...
This report presents options for sustainable land management that were developed through DESIRE, a EU-funded program focused on fighting land degradation and desertification around the globe. After a brief explanation of the need for sustainable...
Abstract: Arroyos, entrenched ephemeral streams that form in desert environments, first appeared in the arid and semiarid American Southwest after 8000 14C yr B.P. For at least 7 k.y. prior to that time, climate, vegetation, and groundwater...