Rangeland Ecology & Management
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151 Public Response
Since the creation of the Mexican Wolf Recovery Program, many articles have been published in newspapers and on websites and blogs. Opinions are varied but can generally be divided into two groups… - Topic Page
152 Perspectives
In Arizona and New Mexico, the Mexican Wolf Recovery Program affects many people for a variety of reasons. Understanding the various viewpoints allows for all sides to understand the complex… - Topic PageMexican gray wolf recovery is an issue that crosses international borders. Historically, about 90 percent of the Mexican gray wolves home range was in Mexico. The Mexican gray wolf population was…
- Topic PageThere are many questions surrounding the Mexican Wolf Recovery Program. This section aims to answer commonly asked questions.Mexican Gray Wolf and Human InteractionQ: Has a Mexican gray wolf…
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155 About the Author
Amber Dalke is a Senior Research Specialist in the School of Natural Resources and the Environment at the University of Arizona. Ms. Dalke is an active member of the Rangelands Partnership and works… - Topic Page
156 Eastern Wolf
Genetic testing indicates the eastern wolf is a member of the red wolf-coyote lineage rather than a subspecies of the gray wolf. This classification has brought about a proposal to separate the… - Topic PageIn the Northern Rocky Mountains, wolves (Canis lupus) had been eliminated, but there were healthy populations across the border to Canada. The recovery strategy for the region was to relocate wild…
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158 Red Wolf
Red wolves (Canis rufus) were listed as endangered in 1967. Recovery efforts attempted to locate the rare (perhaps nonexistent) wild red wolves in the southeastern United States. Instead, coyotes (… - Topic PageWhen the wolves (Canis lupus) were listed as endangered in 1978, only several hundred wolves were present in Minnesota and a small number of wolves in Wisconsin and Michigan. The recovery strategy…
- Topic Page"Biodiversity is a multifaceted phenomenon involving the variety of organisms present, the genetic differences among them, and the communities, ecosystems, and landscape patterns in which they occur…
- Topic PageThe management of feral horses and burros in the American West has been a heated national debate for decades. Horses and burros have been cast as a symbol and the heart of America’s pioneering…
- Topic PageThe Bureau of Land Management (BLM) estimates that 40,605 wild horses and burros (approximately 33,780 horses and 6,825 burros) are roaming on BLM managed rangelands in 10 western states based on…
- Topic PageThe Equus species are part of North America's natural ecology, as they evolved on this continent along with the grasslands. Equus includes horses, donkeys, and zebras. Fossil history clearly…
- Topic PageThe rumors surrounding feral horses have created a web of false information. The Bureau of Land Management created a fact sheet with correct information and it is often updated.For example:Myth: The…
- Topic PageControversy surrounds the presence of feral horse and burro herds, particularly on public lands. Supporters argue that these animals are a part of the rich heritage of the American West, whose…
- Topic PageAt the end of the 15th century, the Spanish reintroduced horses to the Americas. Escaped horses soon resumed to a wild state and proliferated on the plains of their homeland. By the time of Anglo…
- Topic PageQ: What is a wild horse or burro? A: A wild free-roaming horse or burro as defined by federal law is an unbranded, unclaimed, free-roaming horse or burro found on Bureau of Land Management (BLM) or…
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- Topic PageMuch of the Western rangelands are a checkerboarded, interspersed land ownership of private, state and federal public lands. This creates difficulty in accomplishing landscape level vegetation…
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171 Brush Management
Brush (or shrub) encroachment is a global phenomenon whereby native and nonnative woody species displace grass species (Archer et al., 2017). The shift in a grass- to woody-dominated ecosystem… - Topic PagePerhaps our first education about biological control came early with the nursery rhyme lines about the little old lady who swallowed organisms to catch the originally swallowed organism, (e.g. “…
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173 Cultural Methods
Cultural methods involve manipulating the timing, intensity, or duration of a land use or management action to achieve a desired vegetation composition and/or structure. Cultural control is most… - Topic PageGrassland structure is maintained through multiple natural disturbance regimes. Natural disturbances can include grass utilization and trampling by herbivores and droughts that limit productivity…
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175 Targeted Grazing
Targeted grazing focuses specifically on vegetation management goals, as compared to solely livestock production. Managing vegetation occurs via targeted grazing with the application of specific… - Topic Page
176 Range Seeding
Range seeding, or rangeland seeding, is a tool for improving, developing, or altering a site's existing plant community through the application of seed. Seeding is typically done at the beginning… - Topic PageMechanical control on rangelands is defined as "the use of a tool to remove or destroy above and/or below ground plant material." There are numerous different ways to treat rangeland mechanically…
- Topic PageNo one treatment or “silver bullet” exists for managing brush on rangelands, particularly for resprouting shrub and tree species. Each brush management treatment’s effectiveness can vary widely…
- Topic PageBrush Management Workshops (series of three) Funded by Western SARE (Sustainable Agriculture Research and Education Program) Organized by Altar Valley Conservation Alliance, UA CALS Cooperative…
- Topic PageInvasive plants are non-native (also referred to as “alien”), and their introduction causes or could cause environmental, economic, or human health harm. Management of invasive plants is mandated…
- Topic PageThe time is now, to get those ecological restoration projects started. The United Nations has declared this decade (2021-2030) the Decade on Ecosystem Restoration. Rangelands restoration is a…
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182 Chemical Methods
Efficacy of brush management via chemical methods can vary depending on target species and application conditions. This information is meant as a brief, general introduction into the method itself… - Topic PageSometimes the present plant community on a site may not meet your goals for managing livestock, wildlife, or ecosystem health. An undesirable plant community may require human intervention, where…