Rangeland Ecology & Management
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Displaying 101 - 113 of 113 results
- Library Collection RecordAbstract. Vegetation structure and floristic composition strongly influence the structure of bird communities. To assess the influence of vegetation and other environmental characteristics on…Publication Date 2000
- Altar Valley
- Arizona
- Bell's Vireos
- Buenos Aires National Wildlife Refuge
- habitat structure
- Molothrus ater
- nestng habitat
- United States
- Library Collection RecordIn this article, Sayre gives a history of the cattle boom in Southern Arizona, examining its political and environmental impacts.Publication Date 1999
- Altar Valley
- Arizona
- cattle
- environmental impacts
- political ecology
- ranching
- Southern Arizona
- United States
- Library Collection RecordAbstract We determined which vegetal features influenced the distribution and abundance of grassland birds at the Buenos Aires National Wildlife Refuge, Arizona. The density and distribution of…Publication Date 1998
- Altar Valley
- arid grassland
- Arizona
- grassland birds
- mesquite
- United States
- woody invasion
- Library Collection RecordIn 1974 we selected 8 pairs of gully headcuts on the Santa Rita Experimental Range. Mesquite (Prosopis velutina Woot.) on the watershed of 1 headcut of each pair was killed with diesel oil. Densities…Publication Date 1993
- brush control
- Prosopis velutina
- rain
- Runoff Control
- semiarid grasslands
- soil erosion
- vegetation management
- watersheds
- Library Collection RecordLehmann lovegrass (Eragostis Iehmanniana Nees.) is a warm-season, perennial bunchgrass introduced from South Africa in 1932. Since 1950 Lehmann lovegrass has been seeded and established on over 170,…Publication Date 1992
- Altar Valley
- Arizona
- drought
- Eragrostis lehmanniana
- Lehmann lovegrass
- United States
- Library Collection RecordABSTRACT Field and herbarium studies of the Convolvulaceae in the southwestern United States indicate that 17 species are rare in all or part of their ranges. Degree of rarity varies. A few show…Publication Date 1992
- Baboquivari Mountains
- Convolvulaceae
- United States
- Library Collection RecordAbstract Through seeding and subsequent spread, Lehmann lovegrass Eragrostis lehmanniana Nees. has transformed the structure and function of at least 145 000 ha of semi-desert grassland in southern…Publication Date 1992
- Altar Valley
- Arizona
- Eragrostis lehmanniana
- invasive grasses
- Lehmann lovegrass
- United States
- Library Collection RecordABSTRACT Apodemia mormo in the region of Nogales, Santa Cruz Co. Arizona, display variability unsual even in the A. mormo complex. At least five overlapping phenotype classes, some represented…Publication Date 1979
- Altar Valley
- Apodemia mormo
- Arizona
- Lepidoptera
- United States
- Library Collection RecordThis 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…Publication Date 1960
- jaguars
- Arizona
- Library Collection RecordThis article summarizes the findings of a research project investigating the influence of several native species on the spread of Lehmann lovegrass. The study was carried out on the Santa Rita…Publication Date 1959
- Altar Valley
- Arizona
- Eragrostis lehmanniana
- invasive species
- Lehmann lovegrass
- mesquite
- native grasses
- Santa Rita Experimental Range
- United States
- Library Collection RecordABSTRACT: Of the writers known to have considered the problem, Hough alone has attempted to give a date for the whole area. He says that the process began with the active occupancy of the region by…Publication Date 1925
- erosion
- Arroyos
- trenching
- Library Collection RecordAbstract: 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…
- watershed management
- erosion control
- restoration
- Library Collection Record
113 Resilience
Resilience, published by the Quivira Coalition, is focused on current topics within the organization and its annual conference. Journal 39 2% Solutions for Hunger, Thirst and CO2 In this issue of…- Australia
- California
- New Mexico
- New York
- no-tillage
- Pennsylvania
- soil carbon
- solar energy
- sustainable agriculture
- sustainable ranching
- United States