Rangeland Ecology & Management
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- Library Collection RecordThe Mexican gray wolf (Canis lupus baileyi) was historically distributed throughout the southwestern United States and northern Mexico. Extensive predator removal campaigns during the early 20th…Publication Date 2018
- Arizona
- conservation genomics
- gray wolves
- hybridization
- New Mexico
- single nucleotide polymorphisms
- Library Collection RecordPastoral livestock production systems in Africa that have existed for centuries are now threatened by changing demographics, improved communications, increased availability of modern weapons, open…Publication Date 2017
- Africa
- cattle
- food crisis
- grazing
- livestock
- nomads
- range management
- Library Collection RecordObservation is a simple method of acquiring information and is a critical step in the scientific method for both developing and investigating testable hypotheses. Cameras have long played a role in…Publication Date 2017
- Arizona
- cattle
- elk
- grazing
- riparian
- time-lapse photography
- Library Collection RecordAbstract In this study, hydrological processes are evaluated to determine impacts of stream restoration in the West Turkey Creek, Chiricahua Mountains, southeast Arizona, during a summer-monsoon…Publication Date 2015
- Arizona
- Check dam
- restoration
- runoff ratio
- semi-arid watersheds
- United States
- water budget
- Library Collection RecordAbstract: 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…Publication Date 2015
- jaguars
- Arizona
- endangered species
- management
- wildlife conservation
- attitudes
- human dimensions
- Endangered Species Act
- Panthera onca
- Library Collection RecordThis article provides a brief history of the Rancho de la Osa, a guest ranch located in Southern Arizona, intermixed with commentary on the current owners' plans to sell the property. The first…Publication Date 2014
- Altar Valley
- Arizona
- Cattle Ranching
- Historical Site
- United States
- Library Collection RecordAnnual burning homogenizes plant communities and causes a shift in species composition. Annual burning does not cause significant reductions in plant species richness. Annually-burned…Publication Date 2014
- Annual Burning
- biodiversity conservation
- Commercial plantation forestry
- Firebreak
- grassland
- grazing
- species composition
- species turnover
- Africa
- Library Collection RecordIn the context of climate change mitigation and poverty reduction, it has been argued that biogas energy is relevant, as it is economically and ecologically useful. In the 1980s, biogas use played an…Publication Date 2014
- climate change
- Biogas
- socio-economic aspects
- policy
- rural women
- household income studies
- subsistence agriculture
- rural areas
- Burundi
- Africa
- Library Collection RecordIn the Mopane Bushveld, Colophospermum mopane is viewed as a threat due to its ability to suppress the herbaceous layer. The objective of this study was to investigate the re-establishment of C.…Publication Date 2014
- Bush encroachment
- restoration ecology
- savanna
- management
- fodder production
- browsing
- soil nutrients
- Africa
- Library Collection RecordDescription not available.Publication Date 2014
- Africa
- Library Collection RecordAn experiment was carried out to investigate the effects of date of undersowing different legume species on maize grain yield and forage quality. Early-maturing maize (Zea mays L. cv. Suwan1) and…Publication Date 2014
- lablab
- mucuna
- suwan-1
- tephrosia
- undersowing
- Nigeria
- Africa
- Library Collection RecordAn online decision support system derived from research and expert knowledge was developed for arid rangeland management in central Namibia. The expert system emphasises the control of bush…Publication Date 2014
- Bush encroachment
- decision support systems
- rangeland management
- rainfall
- savanna
- restoration ecology
- photographs
- Namibia
- Africa
- Library Collection RecordIn this article Mary Kasulaitis describes a number of historic droughts, referencing rainfall records and personal accounts of area residents, and discusses the importance of precipitation to the…Publication Date 2014
- history
- Rainfall patterns
- drought
- Altar Valley
- Arizona
- United States
- Library Collection RecordVetch species (Vicia narbonensis, V. sativa and V. villosa) are widely used for fodder production in Tunisia. This study aims to investigate vetch strategies involved in drought resistance through…Publication Date 2014
- drought
- Fodder
- management
- plant production
- water stress
- vetch species
- growth
- water relations
- stomatal conductance
- proline
- Tunisia
- Africa
- Library Collection RecordPlants are multifaceted organisms that have evolved numerous solutions to the problem of establishing, growing and reproducing with limited resources. The intrinsic dimensionality of plant traits is…Publication Date 2014
- community assembly
- curse of dimensionality
- determinants of plant community diversity and structure
- ecosystem processes
- intrinsic dimension
- isomap
- nonlinear data reduction
- plant spectrums
- plant strategies
- plant traits
- ecosystem ecology
- Arizona
- California
- USA
- Sheffield
- United Kingdom
- Library Collection RecordAs Kasulaitis puts it, in the early 1800s "Arivaca was a ranch, not a town." The Ortis family had a 8,896 acre land grant that covered most of the valley and raised cattle, but when three…Publication Date 2014
- ranching
- history
- Altar Valley
- Arivaca
- Arizona
- United States
- Library Collection RecordSeed dispersal is thought to be unpredictable and outside a plant's control. But directed seed dispersal by mutualistic birds can increase probabilities of germination and survival by the non-…Publication Date 2014
- abiotic stress
- dispersal in time
- facilitation
- frugivory
- plant demography
- plant neighbourhoods
- plant-plant interactions
- risk spreading
- Desert Grassland
- ecosystem ecology
- Arizona
- USA
- Library Collection RecordAbstract Desert marshes, or cienegas, are extremely biodiverse habitats imperiled by anthropogenic demands for water and changing climates. Given their widespread loss and increased recognition,…Publication Date 2014
- Arizona
- Cienega
- Gabions
- restoration
- United States
- wetlands
- Library Collection RecordThis article covers the turbulent years between 1848 and 1853 which saw Tubac burned in by Apaches, Arivaca abandoned under threat of Apache raids, and increased traffic through Tucson as 49'ers…Publication Date 2014
- history
- Altar Valley
- Arivaca
- Arizona
- United States
- Library Collection RecordThe ingression of woody plants into savannas, known as bush or shrub encroachment, has become a global concern. Fire has been acknowledged as a key factor in managing woody vegetation in savannas.…Publication Date 2014
- Africa
- Library Collection RecordDescription not available.Publication Date 2014
- Africa
- Library Collection RecordTropical and subtropical rangeland systems provide core ecosystem services for the welfare of human populations that rely on readiness and quality of forage resources. However, forage species are…Publication Date 2014
- Landscape genetics
- Plant population dynamics
- population genetics
- Tropical rangeland systems
- Themeda australis
- rangelands
- Themed atriandra
- ecosystem services
- genetics
- Kenya
- Africa
- Library Collection RecordForage legumes have the potential to contribute substantially to warm-season, subtropical and tropical pastures and rangelands. Compared to grasses, they have advantages in accessing subsoil…Publication Date 2014
- Africa
- Library Collection RecordCondensed tannins are ecologically important compounds in plants for several reasons, e.g. as herbivore deterrents or protecting photosynthetic tissues against ultraviolet radiation. The hand-held…Publication Date 2014
- Dualex
- flavonol
- herbivore
- Multiplex
- secondary metabolite
- Nkuhlu
- Letaba
- Kruger National Park
- Africa
- Library Collection RecordAbstract: Erosion dynamics in semiarid environments is defined by high magnitude, low frequency rainfalls that produce runoff with high sediment concentration. Check dams are widely used in this…Publication Date 2014
- Arizona
- Check dam
- erosion
- runoff
- Santa Rita Mountains
- sediment yield
- semiarid
- United States
- watershed
- Library Collection RecordA quantitative description of woody plant communities that aimed at aiding studies on grass–tree competition interactions, bush encroachment and estimation of food to browser herbivore species, was…Publication Date 2014
- Bush encroachment
- competition
- grasses
- browse
- fodder production
- plant production
- Africa
- Library Collection RecordTree canopies can change soil environments. Our study looked at soils 10%, 50%, 100% and 150% the distance from tree trunk to canopy edge of leguminous sabiá (Mimosa caesalpiniifolia Benth.) and…Publication Date 2014
- Africa
- Library Collection RecordWilliam M. Marteny and his family settled at the headwaters of Arivaca Creek, filing for a homestead while trading cattle and horses. In 1919 Marteny sold the homestead, purchasing the Robles Ranch…Publication Date 2013
- history
- Altar Valley
- Arivaca
- Arizona
- United States
- Library Collection RecordDescription not available.Publication Date 2013
- Africa
- Library Collection RecordIn 1952 Don Rowley purchased the Rancho Seco from Peggy and Jack Rubel, establishing the Carrow Cattle Company several years later after acquiring additional parcels. After his death, his sons sold a…Publication Date 2013
- history
- Altar Valley
- Arivaca
- Arizona
- United States
- Library Collection RecordDescription not available.Publication Date 2013
- Africa
- Library Collection RecordThere is a common perception in South Africa that the youth are not interested in agriculture, leading to two concerns: first, that this is exacerbating the youth unemployment crisis, and second,…Publication Date 2013
- Africa
- Library Collection RecordThe present study assessed the effects of deferred grazing management on rangeland condition using aboveground biomass, vegetation cover and species composition as indicators of range condition. The…Publication Date 2013
- grazing
- vegetation
- ecosystem ecology
- management
- rangeland
- biomass
- grazing management
- ngitili
- species diversity
- vegetation cover
- Shinyanga
- Meatu districts
- Tanzania
- Africa
- Library Collection RecordWe evaluated the fodder quality of Ficus thonningii Blume in the Ahferom district of Tigray, Ethiopia. Determination of foliar macronutrients and proximate chemical compositions was undertaken using…Publication Date 2013
- Africa
- Library Collection RecordKnowledge of the success or otherwise of conservation interventions is often locked within localised networks, resulting in mistakes being replicated unnecessarily. The savannahs of eastern and…Publication Date 2013
- conservation
- Evidence based conservation
- Management interventions
- national parks
- protected areas
- savanna
- management
- Africa
- Library Collection RecordAbstract Desert grasslands of the southwestern United States have experienced an increase in the abundance and distribution of woody plant species over the past century. Shrub encroachment has caused…Publication Date 2013
- Altar Valley
- Arizona
- black grama
- Bouteloua eriopoda
- broom snakeweed
- Gutierrezia sarothrae
- invasive species
- Lehmann lovegrass
- New Mexico
- perennial grasses
- prescribed burn
- United States
- Library Collection RecordSavannahs are widespread vegetation type in Sudanian zone of Africa. As protected areas are often assumed to be the best way to conserve biodiversity, we assessed the effectiveness of the Pendjari…Publication Date 2013
- conservation
- diversity
- savannah
- Structure
- Woody Species
- management
- ecosystem ecology
- Africa
- Library Collection RecordFire and herbivory are the main disturbances shaping the structure of savannas. In these ecosystems, the key strategies by which woody plants escape fire are either early height growth (the lanky…Publication Date 2013
- African savannas
- bark thickness
- cerrado
- consumer control
- disturbance regime
- fire intensity
- fire-escape strategies
- herbivory
- plant development and life-history traits
- tree height
- savanna
- fire ecology
- Africa
- Library Collection RecordThis article tells the story of the Santa Lucia Ranch and the people who called it home. Originally homesteaded by Gabriel E. Angulo, Jr. in 1921, the Santa Lucia was located near the confluence of…Publication Date 2013
- ranching
- history
- Altar Valley
- Arizona
- United States
- Library Collection RecordDescription not available.Publication Date 2013
- Africa
- Library Collection RecordIn vitro organic matter disappearance (IVOMD) of African browse species often indicates artificially low nutritive value due to the presence of condensed tannins (CT). Diet of the rumen liquor donor…Publication Date 2013
- Africa
- Library Collection RecordIn this featured article, Bree Collins explores the role the ranching community plays in environmental stewardship in the Southwest. Touching on the issues of endangered species protection, the…Publication Date 2013
- Altar Valley
- Arizona
- conservation
- endangered species
- energy development
- New Mexico
- Ranching Economy
- United States
- wildfire
- Library Collection RecordThis article tells the story of Lucretia Roberts, the first female deputy sheriff in the state. Lucretia was elected to office in 1912 in Canelo, Arizona.Publication Date 2013
- history
- Altar Valley
- Arizona
- Law enforcement
- United States
- Library Collection RecordThis study investigated dip-tank use effects on herbaceous vegetation and soil, and relationships between environmental and species variables. Eight dip-tanks, three each in sandy (DPBS) and loamy (…Publication Date 2013
- Africa
- Library Collection RecordGrasslands of the Sky Islands region once covered over 13 million acres in southeastern Arizona and adjacent portions of New Mexico, Sonora, and Chihuahua. Roughly two-thirds of these remain as…Publication Date 2013
- Altar Valley
- Arizona
- Desert Graslands
- grassland restoration
- New Mexico
- United States
- Vegetation Change
- Library Collection RecordMany regions of the globe are experiencing a simultaneous change in the dominant plant functional type and regional climatology. We explored how atmospheric temperature and precipitation control leaf…Publication Date 2013
- eddy covariance
- landscape position
- mesquite (Prosopis velutina)
- photosynthesis
- plant-climate interactions
- semi-arid
- temperature optima
- Vegetation Change
- woody plant encroachment
- indigenous encroaching species
- climate change
- temperature
- ecosystem ecology
- carbon flux
- rainfall
- grasslands
- savanna
- carbon dioxide
- San Pedro River
- Arizona
- USA
- Library Collection RecordThemeda triandra is a perennial tussock grass endemic to Africa, Australia and Asia. Within these regions it is found across a broad range of climates, geological substrates and ecosystems. Because…Publication Date 2013
- Africa
- Library Collection RecordAn updated and revised version of an article published in 2010, Mary Kasulaitis presents us with a brief biography of some of the doctors who called the Arivaca area home between 1860 and 1940, many…Publication Date 2013
- history
- Altar Valley
- Arivaca
- Arizona
- United States
- Library Collection RecordDiscussing the major themes and political tensions of the 1960s and 70s, Mary Kasulaitis tells us the story of Arivaca in the late sixties as "the hippies" began to arrive, focusing in on…Publication Date 2013
- history
- Altar Valley
- Arivaca
- Arizona
- United States
- Library Collection RecordEuclea divinorum, a fast establishing, unpalatable, and fire resistant bush is considered an invasive species in some parts of its range. In Ol Pejeta Conservancy (OPC), Kenya, E. divinorum bushes…Publication Date 2013
- Acacia drepanolobium
- encroachment
- Euclea divinorum
- grassland
- invasion
- seedlings
- indigenous encroaching species
- grasslands
- rainfall
- ecosystem ecology
- Kenya
- Africa