Rangeland Ecology & Management
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Displaying 51 - 100 of 1599 results
- Library Collection RecordWith a cover letter written by C. H. Huckelberry, the Pima County Administrator, this letter of opposition outlines the county's arguement regarding the economic impacts of the planned Sierrita…Publication Date 2014
- Altar Valley
- Arizona
- energy development
- natural gas
- Sonoran Desert
- United States
- Library Collection RecordFERC issues Final Environmental Impact Statement on Sierrita Pipeline Project (Docket Nos. CP13-73-000 and CP13-74-000) Issued: March 28, 2014 The staff of the Federal Energy Regulatory Commission…Publication Date 2014
- Altar Valley
- Arizona
- endangered species
- energy development
- Environmental Impact Statement
- Sonoran Desert
- United States
- Library Collection Record
53 Butterflies
A brief overview of the lifestyle, importance and variety of butterflies that reside in the Sonoran Desert.Publication Date 2014- Altar Valley
- Arizona
- Butterflies
- Lepidoptera
- Sonoran Desert
- United States
- Library Collection RecordThe Sonorensis is a magazine published by the Arizona-Sonora Desert Museum. Over the years it's articles have focused on a variety of topics central to the conservation of the flora and fauna of…Publication Date 2014
- Altar Valley
- Arizona
- climate change
- conservation
- cultural traditions
- edible plants
- Jaguar
- Sea of Cortez
- tradional foods
- United States
- Library Collection RecordThe Arizona-Sonora Desert Museum's Digital Library includes a catalog of images, narrative, and scientific nomenclature of plants, animals, minerals, and biotic communities of the Sonoran Desert…Publication Date 2014
- animal taxonomy
- Arizona
- educational materials
- native species
- photography
- plant taxonomy
- United States
- Library Collection RecordFounded in 1952, the Arizona-Sonora Desert Museum is widely recognized throughout the world as a model institution for innovative presentation and interpretation of native plants and animals featured…Publication Date 2014
- Arizona
- educational resources
- environmental research
- Sonoran Desert
- United States
- Library Collection RecordArchaeology Southwest is a private 501 (c) 3 nonprofit organization headquartered in Tucson, Arizona. For three decades, Archaeology Southwest has practiced a holistic, conservation-based approach to…Publication Date 2014
- archaeology
- Arizona
- non-profit organization
- Southwest
- United States
- Library Collection RecordCommunities can persist in the environment over considerable timescales. Even when subjected to multiple natural or anthropogenic disturbances, ecosystems show a remarkable resistance to change.…Publication Date 2014
- resistance
- community structure
- United States
- Library Collection RecordThe relative importance of breed versus rearing experience on the grazing behaviour and diet selection of beef cattle when grazing unimproved grassland was examined over 4 years. Suckler-reared…Publication Date 2014
- foraging ecology
- cattle
- grazing
- grassland
- management
- Nature conservation
- breed
- rearing experience
- grazing behaviour
- diet preference
- biodiversity
- North Wyke
- Devon UK
- Library Collection RecordAllelopathy has traditionally been viewed as a phytotoxic disruption of recipient plant metabolism, and allelopathic effects are generally strongest on species lacking historic exposure to particular…Publication Date 2014
- grasslands
- ecosystem ecology
- allelopathy
- autotoxicity
- Centaurea maculosa
- competition avoidance strategy
- historic interactions
- intraspecific recognition
- novel weapons hypothesis
- plant population and community dynamics
- spatiotemporal biodiversity
- sympatric species recognition
- germination
- United States
- Argentina
- Library Collection RecordNearly all climate scientists are convinced that human-caused climate change is occurring, yet half of Americans do not know or do not believe that a scientific consensus has been reached. That such…Publication Date 2014
- climate change
- communication
- United States
- Library Collection RecordThe objective of this study was to evaluate the effect of correcting indigestible neutral detergent fibre (iNDF) for the loss of lignin in predictions of silage organic matter digestibility (OMD).…Publication Date 2014
- silage
- plant nutritive value
- forage quality
- cattle
- sheep
- management
- faecal samples
- grass
- indigestible neutral detergent fibre
- in vivo digestibility
- lignin
- red clover
- Jokioinen
- Finland
- Library Collection RecordOn the Ground • Toxic larkspurs (Delphinium spp.) in western North America are abundant native plants on foothill and mountain rangelands. • Previous analysis for toxic alkaloids in waxy larkspur…Publication Date 2013-06-01
- Delphinium
- larkspur
- cattle
- grazing
- alkaloids
- poisonous plants
- Library Collection RecordOn the Ground • The bark, leaves, and berries of western juniper trees in Oregon can cause abortions in late-term pregnant cattle. • The percentage of the abortion-causing compounds varied from tree…Publication Date 2013-02-01
- cattle
- abortions
- western juniper trees
- Isocupressic acid
- agathic acid
- labdane acids
- Library Collection RecordOn the Ground • In 1990, cattle grazed private land in Utah’s Book Cliff Mountains until late July. Elk in the area ate about 50% of the forage regrowth on this land from late July to mid-September…Publication Date 2013-02-01
- cattle
- elk
- grazing
- competition
- rancher
- wildlife
- livestock
- Library Collection RecordIn 1969 Congress passed The National Environmental Policy Act (NEPA), a statute that substantially altered the manner in which agencies of the U.S. government make decisions regarding projects that…Publication Date 2013
- environment
- policies
- United States
- Library Collection RecordIn this comment letter submitted by the Arizona Game and Fish Department, the author suggests additional steps that should be taken in order to minimize the impact of the project on the local…Publication Date 2013
- Altar Valley
- Arizona
- energy development
- mitigation
- restoration
- United States
- wildlife
- 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 RecordThe NRCS Photo Gallery contains natural resource and conservation related photos from across the USA. The Gallery is a joint project between NRCS Conservation Communications and the NRCS Information…Publication Date 2013
- natural resources
- photography
- conservation
- United States
- 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 RecordIn this comment letter submitted by the Altar Valley Conservation Alliance, the authors express their concern over the narrow range of alternatives considered by the draft and the gaps in information…Publication Date 2013
- Altar Valley
- Arizona
- energy development
- mitigation
- restoration
- United States
- Library Collection RecordEmphasizing the critical role watershed stability monitoring will play in ensuring the success of post-construction restoration efforts, the Altar Valley Conservation Alliance (AVCA) urges the…Publication Date 2013
- Altar Valley
- Arizona
- energy development
- erosion control
- United States
- Watershed Stability
- Library Collection RecordIn this comment letter submitted by the PNRCD, the author asserts that the draft Environmental Impact Statement (DEIS) is incomplete to the extent that it does not provide adequate information on the…Publication Date 2013
- Altar Valley
- Arizona
- energy development
- grazing
- illegal immigration
- restoration
- United States
- Library Collection RecordIn this letter, the authors provide a well supported introduction to the National Environmental Policy Act (NEPA) process, specifically the role alternatives play in the decision making process. From…Publication Date 2013
- Altar Valley
- Arizona
- energy development
- National Environmental Policy Act
- NEPA
- United States
- Library Collection RecordIn this letter, Nathan Sayre states his strong opposition to the Sierrita Pipeline Project. Having worked in and written about the area for many years,his firsthand experience complements his well…Publication Date 2013
- Altar Valley
- Arizona
- endangered species
- energy development
- fire regimes
- restoration
- revegetation
- United States
- 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 RecordIn this letter, commissioned by the Altar Valley Conservation Alliance and Santa Margarita Ranch, Inc., Robertson urges the Federal Energy Regulatory Commission not to advance the issue date of the…Publication Date 2013
- Altar Valley
- Arizona
- energy development
- Environmental Impact Statement
- National Environmental Policy Act
- NEPA
- United States
- Library Collection RecordIn this letter, commissioned by the Altar Valley Conservation Alliance and Santa Margarita Ranch, Inc., Robertson urges the Federal Energy Regulatory Commission not to advance the issue date of the…Publication Date 2013
- Altar Valley
- Arizona
- energy development
- Environmental Impact Statement
- National Environmental Policy Act
- NEPA
- United States
- Library Collection RecordThe Buenos Aires National Wildlife Refuge is a 117,464-acre refuge that sits within the Altar Valley. Established in 1985, the refuge is primarily made up of semi-desert grasslands, ribboned by a…Publication Date 2013
- Altar Valley
- Arizona
- United States
- 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 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 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 RecordA collection of plant images by scientific and common name.Publication Date 2013
- plants
- photography
- United States
- Library Collection RecordThis article briefly details some of the tribe's objections to the Sierrita pipeline project which would run through the Altar Valley.Publication Date 2013
- Altar Valley
- Arizona
- cultural sites
- development
- United States
- 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 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 RecordThis report focuses on final demand, employment, income and tax revenue effects recreational visitors to refuges have on the economies of local regions. In addition to the economic effects of refuge…Publication Date 2013
- Altar Valley
- Arizona
- Buenos Aires National Wildlife Refuge
- ecosystem services
- ecotourism
- United States
- wildlife refuges
- Library Collection RecordThis presentation provides a brief summary of Feldman's Master's thesis work in the Altar Valley.Publication Date 2013
- Altar Valley
- Arizona
- culture
- ranching
- United States
- Library Collection RecordABSTRACT: Residents of the region just north of the U.S.-Mexico border experience migration and smuggling activities through constantly changing found objects on the desert landscape--a pair of…Publication Date 2013
- Altar Valley
- Arizona
- Border Enforcement
- cultural impact
- human activity
- illegal immigration
- litter
- United States
- Library Collection RecordA chronological overview of significant events related to the Mexican Wolf Recovery Program. Â Last updated in July 2013.Publication Date 2013
- wolves
- Arizona
- Mexican gray wolf
- New Mexico
- Southwest
- United States
- wildlife management
- Wolf management
- wolf reintroduction
- Library Collection RecordUsing Science to Improve the BLM Wild Horse and Burro Program: A Way Forward reviews the science that underpins the Bureau of Land Management's oversight of free-ranging horses and burros on…Publication Date 2013
- herbivory
- appropriate management level
- Fertility Management
- genetic diversity
- United States
- Western United States
- wild burros
- wild horses
- 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
- agriculture
- socio-economic aspects
- communal farming
- rural areas
- animal production
- Plant Productivity
- policy
- livestock
- communal rangelands
- cattle
- goats
- South 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 RecordRestoration priorities are typically established without quantitative information on how to overcome the thresholds that preclude successful restoration of desirable ecosystem properties and services…Publication Date 2013
- fire intensity
- fire physics
- fire trap
- grassland
- juniper
- positive feedback
- regime shifts
- resilience
- restoration ecology
- state and transition model
- restoration ecology
- fire ecology
- modelling
- management
- indigenous encroaching species
- grasslands
- United States
- Library Collection Record“Desertification is a fancy word for land that is turning to desert,†begins Allan Savory in this quietly powerful talk. And it's happening to about two-thirds of the world’s grasslands,…Publication Date 2013
- global warming
- climate change
- grasslands
- desertification
- livestock
- subsistence arming
- rural areas
- socio-economic aspects
- degradation
- restoration ecology
- revegetation
- system ecology
- United States
- Library Collection RecordEcosystems have a critical role in regulating climate, and soil, water and air quality, but management to change an ecosystem process in support of one regulating ecosystem service can either provide…Publication Date 2013
- co-benefit
- Ecosystem service
- policy
- regulating service
- trade-off
- cattle
- grazing
- climate change
- soils
- management
- ecosystem ecology
- United Kingdom
- Library Collection RecordReserve site selection models can be enhanced by including habitat conditions that populations need for food, shelter, and reproduction. We present a new population protection function that…Publication Date 2013
- Reserve design
- Life history-based protection
- Spatial optimization
- 0-1 Programming
- conservation
- planning
- management
- ecosystem ecology
- modelling
- Lopez Island
- United States
- Library Collection RecordMuch of the world’s rangeland is dominated by woody species. Competing land uses and continued encroachment of woody species into non-woody-dominated rangelands have reduced grasslands in many parts…Publication Date 2012-11-01
- animal behavior
- cattle
- genetics
- goats
- plant secondary metabolites
- sheep
- Library Collection RecordLamar Smith, a retired professor of rangeland management, explains what variability in rangeland ecosystems is and how it affects the monitoring data that you may be collecting. Source: Autonomy…Publication Date 2012
- United States
- variation
- Library Collection RecordOriginally given at the 2012 SRM conference in Spokane, this presentation describes the findings of one study that examines the landscape-scale genetic diversity within and between aspen communities.Publication Date 2012
- United States