Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 151 - 200 of 1240 results
- Library Collection RecordThis article provides an overview of the notable events of 1918 including the filming of two westerns, The Trail to Yesterday and The Light of Western Stars, the drafting of several Arivaca residents…Publication Date 2012
- Altar Valley
- Arivaca
- Arizona
- history
- United States
- Library Collection RecordClimates are changing worldwide at rates not seen previously in geological time. This affects food production itself and the growth and reproduction of plant pathogens which reduce crop yield and…Publication Date 2012
- biodiversity
- climate change
- crop loss
- disease
- food security
- plant pathogens
- population
- resource supply
- sustainability
- Library Collection RecordIn the last few decades unimproved semi-natural grasslands have been affected by intensification of land use and habitat fragmentation. Because of their biodiversity these species-rich grasslands are…Publication Date 2012
- Rhinanthus minor
- population genetics
- Hemiparasite
- Habitat restoration
- grasslands
- land use
- biodiversity
- conservation
- seeds
- restoration ecology
- Europe
- Library Collection Record
154 Ecological Sites
Lamar Smith, a retired range professor, dips into his vast knowledge of geology and ecology to explain how patterns on soil and plants develop across the landscape and how this "ecological sites…Publication Date 2012- ecological sites
- United States
- Library Collection RecordEarly in 1896 the owners of the Montana Mine requested the contruction or repair of a road over which they could haul ore. This led Pima County to declare the road from Amado to Oro Blanco a County…Publication Date 2012
- road construction
- erosion
- history
- Altar Valley
- Arizona
- United States
- Library Collection Record1.?Recent studies have suggested that the simultaneous maintenance of multiple ecosystem functions (multifunctionality) is positively supported by species richness. However, little is known regarding…Publication Date 2012
- biodiversity
- biological soil crusts
- community attributes
- ecosystem functioning
- lichens
- nutrient cycling
- plant–soil (below-ground) interactions
- spatial pattern
- species evenness
- Spain
- Library Collection RecordThis article provides the background for the construction of Ruby Road and details the politics surrounding its placement and maintenance over the years. As with many of the road projects in the late…Publication Date 2012
- mining
- road construction
- history
- Altar Valley
- Arivaca
- Arizona
- United States
- Library Collection Record1.?Calcareous grasslands are communities of high conservation value, often characterized by high plant species richness. These grasslands have experienced a major decline in area throughout Europe,…Publication Date 2012
- biodiversity
- conservation
- determinants of plant community diversity and structure
- Environmental change
- extinction
- floristic tracking
- taxonomic homogenization
- Europe
- Library Collection RecordThis narrated powerpoint presentation provides an overview of aspen biology and ecology from 1912 to present.Publication Date 2012
- Aspen
- United States
- Library Collection RecordWhile finalizing the Multi-species Conservation Plan (MSCP), Pima County created this 18 page summary to enhance the public's understanding of the extensive plan. The MSCP was created to…Publication Date 2012
- Altar Valley
- Arizona
- conservation
- endangered species
- Endangered Species Act
- National Environmental Policy Act
- Pima County
- United States
- Library Collection RecordIn this installment of Arivaca Yesterdays Mary Kasulaitis investigates the question of Arivaca's origins through a dissection of "Harvey's Historic Hyperbole," a claim made by…Publication Date 2012
- history
- Altar Valley
- Arizona
- United States
- Library Collection RecordThis article provides a brief overview of what life was like in Arivaca after 1912. Arivaca was essentially a company town of the Arivaca Land and Cattle Company (ALCC). The ALCC owned the town store…Publication Date 2012
- ranching
- history
- cattle
- Altar Valley
- Arizona
- United States
- Library Collection RecordThis article provides a brief overview of what life was like in Arivaca from its early years in the 1860s to 1912 when Arizona gained statehood.Publication Date 2012
- history
- Altar Valley
- Arizona
- United States
- Library Collection RecordRecent declines in biodiversity have given new urgency to questions about the relationship between land-use change, biodiversity and ecosystem processes. Despite the existence of a large body of…Publication Date 2012
- biodiversity
- determinants of plant community diversity and structure
- ecosystem functioning
- functional plant group
- land use
- productivity
- species richness
- structural equation modelling
- Germany
- 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
- Library Collection RecordThis memorandum discusses the proposed designation of Critical Habitat as required by the Endangered Species Act for the jaguar in Pima County.Publication Date 2012
- Altar Valley
- Arizona
- Critical Habitat
- endangered species
- Endangered Species Act
- Jaguar
- Pima County
- United States
- Library Collection RecordEffective biodiversity monitoring is critical to evaluate, learn from, and ultimately improve conservation practice. Well conceived, designed and implemented monitoring of biodiversity should: (i)…Publication Date 2012
- Conservation effectiveness
- management intervention
- monitoring
- biodiversity
- National Biodiversity Strategy
- management
- conservation
- policies
- Library Collection RecordThis article follows the Ronstadts, a prominent family in early Southern Arizona history, from Frederick Augustus Ronstadt's arrival in Mexico in the 1850s to the present day.Publication Date 2012
- history
- Altar Valley
- Arizona
- United States
- Library Collection RecordMany studies in recent years have investigated the effects of climate change on the future of biodiversity. In this review, we first examine the different possible effects of climate change that can…Publication Date 2012
- biodiversity
- climate change
- species extinctions
- Library Collection RecordAbstract: CBP proposes to maintain and repair existing tactical infrastructure along the U.S./Mexico international border in Arizona. The existing tactical infrastructure includes fences and gates,…Publication Date 2012
- Altar Valley
- Arizona
- Border Enforcement
- environmental impacts
- illegal immigration
- NEPA
- United States
- Library Collection RecordOriginally presented at the 2012 SRM conference in Spokane, WA this narrated powerpoint presentation examines the variable resistance and tolerance of aspen clones to various pest species.Publication Date 2012
- United States
- Library Collection RecordAbstract Not Available.Publication Date 2012
- Altar Valley
- Arizona
- Border Enforcement
- Border Security
- conservation
- immigration
- migration
- United States
- Library Collection RecordAbstract The conflict that exists between the competing needs of biological conservation and those of pastoral production is well recognised, however, few studies examine these conflicts due to…Publication Date 2012
- biodiversity
- production
- Australia
- Library Collection RecordAltar Valley is included in this USGS study examining nitrate and arsenic concentrations in basin-fill aquifers of the southwestern United States.Publication Date 2012
- Altar Valley
- Arizona
- arsenic
- nitrates
- United States
- water pollution
- water quality
- Library Collection RecordAbstract Although rock check dams have been used for centuries to control erosion and support subsistence agriculture on western US rangelands, there is a lack of measured data to quantify their…Publication Date 2012
- Alluvial fan
- Arizona
- Check dam
- grassland
- Landscape degradation
- restoration
- southeast Arizona
- United States
- Library Collection RecordDesignated by the Arizona Desert Wilderness Act of 1990, the Baboquivari Peak Wilderness and Coyote Mountains Wilderness areas total 7,145 acres and are located approximately 40 miles southwest of…Publication Date 2012
- Altar Valley
- Arizona
- Baboquivari Peak
- Coyote Mountains
- United States
- wilderness
- wilderness management
- Library Collection RecordQuestions The co-existence of high numbers of species has always fascinated ecologists, but what and where are the communities with the world records for plant species richness? The species–area…Publication Date 2012
- biodiversity
- Canonical hypothesis
- macroecology
- Oligo- to mesotrophic grassland
- Paradox of the Plankton
- Power function
- Rooted presence
- Scale dependence
- Shoot presence
- Spatial grain
- Spatial scale
- Species-area relation
- Tropical rain forest
- World flora
- Library Collection RecordAbstract The contribution of non-domestic grazing pressure to pastoral areas of western NSW has been reported to increase grazing intensity by at least 50%. Any control of these external grazing…Publication Date 2012
- biodiversity
- grazing management
- Australia
- ground cover
- Library Collection RecordQuestion In many industrialized countries biodiversity is declining. Although changes in species composition and species richness have been documented for many individual systems, little long-term…Publication Date 2012
- Agricultural intensification
- Agri-environment schemes (AES)
- Floristic value
- Nature reserves
- Nutrient richness
- species richness
- biodiversity
- grasslands
- agriculture
- conservation
- management
- Netherlands
- Library Collection RecordPublication Date 2012
- landscape
- Coleoptera
- Nature conservation
- biodiversity
- soil management
- pastures
- Coleoptera
- Coleoptera
- Library Collection RecordI pose eight questions central to understanding how biological invasions affect ecosystems, assess progress towards answering those questions and suggest ways in which progress might be made. The…Publication Date 2012
- Alien species
- biodiversity
- ecological engineering
- Ecosystem function
- ecosystem management
- exotic species
- invasive species
- long-term studies
- non-native species
- Traits
- Library Collection RecordThis narrated PowerPoint presentation was originally presented at the 2012 SRM conference in Spokane, WA. It gives an overview of the effects of certain genetic characteristics of aspen stands on…Publication Date 2012
- Aspen Communities
- United States
- Library Collection RecordA narrated powerpoint presentation, this video examines livestock's grazing preferences and the implication for restoration efforts in riparian and meadow ecosystems.Publication Date 2012
- Aspen
- Aspen Communities
- restoration
- United States
- Library Collection RecordThe aspen stands have been degraded due to over utilization. This narrated powerpoint presentation gives an overview of the restoration efforts in Fishlake National Forest.Publication Date 2012
- United States
- Utah
- Library Collection RecordQuestions What are the differences in speed and pathway of vegetation development on nutrient-poor, unvegetated slopes sown with low-diversity seed mixtures of cultivars and high-diversity seed…Publication Date 2012
- biodiversity
- ecosystem services
- Grass cultivars
- Local provenance
- marginal land
- mining
- mulching
- productivity
- Species introduction
- Germany
- Library Collection RecordAchieving economically optimum livestock production on rangelands can conflict with conservation strategies that require lower stocking rate to maintain wildlife habitat. Combining the spatial and…Publication Date 2011-11-01
- biodiversity
- conservation grazing
- fire
- heterogeneity
- patch burn
- vegetation structure
- Library Collection RecordLandspraying while drilling (LWD) is an approved disposal method for water-based drilling mud (WBM) systems in western Canada. The mud is applied either on cultivated land, where it is incorporated…Publication Date 2011-07-01
- biodiversity
- energy exploitation
- hydrocarbon extraction
- native rangelands
- oil and natural gas
- Library Collection RecordAgricultural intensification negatively affects farmland biodiversity, and thereby, ecosystem services such as predation of weed seeds. Landscape complexity (large and diverse areas of semi-natural…Publication Date 2011
- Carabids
- ecosystem services
- plant-animal interactions
- Post-dispersal seed predation
- Slugs
- small mammals
- commercial agriculture
- seeds
- biodiversity
- invertebrates
- grasslands
- ecosystem ecology
- Germany
- Library Collection RecordFirst page of Land, Food, and Biodiversity Agriculture currently occupies over 40% of Earth's land area and consumes 70% of available freshwater. Production systems have increased food output in…Publication Date 2011
- biodiversity
- animal production
- plant production
- Economic Aspects
- ecology
- conservation
- land use
- management
- Library Collection RecordThe use of surrogates for biodiversity is a practical tool to improve the cost effectiveness of regional conservation planning. However, there is still much uncertainty about the biological…Publication Date 2011
- disjunction
- ecological barriers
- Mitchell Landscapes
- regional conservation
- Surrogate
- biodiversity
- conservation
- management
- Australia
- Library Collection RecordThis field guide provides photos and information on the wildflowers of southern Arizona.Publication Date 2011
- Altar Valley
- Arizona
- United States
- wildflowers
- Library Collection Record1. While positive effects of biodiversity on temporal stability of communities have been demonstrated in theoretical and empirical studies, diversity -stability relationships at the population level…Publication Date 2011
- grasslands
- biodiversity
- ecosystem ecology
- covariance
- plant population and community dynamics
- population stability
- synchrony
- temporal stability
- species richness
- plant production
- Thuringia
- Germany
- Library Collection RecordAn isolated and beautiful valley located on the west side of the Atascosa Mountains, Bear Valley was first settled by John “Yank†Bartlett who, along with his partner Henry “Hank†Hewitt and…Publication Date 2011
- ranching
- history
- Altar Valley
- Arizona
- United States
- Library Collection Record1. Spatially explicit understanding of the delivery of multiple ecosystem services (ES) from global to local scales is currently limited. New studies analysing the simultaneous provision of multiple…Publication Date 2011
- of plant community diversity and structure
- ecosystem services
- functional trade-offs
- landscape modelling
- mountain grassland management
- plant functional traits
- management
- grassland
- modelling
- ecosystem services
- policy
- land use
- grassland
- ecosystem ecology
- biodiversity
- plant functional traits
- Central French Alps
- Europe
- Library Collection RecordThis document describes how biosoilds are produced, and summarizes their regulation in Arizona. It also covers current research being carried out on biosolids and answers some of the common questions…Publication Date 2011
- Arizona
- biosoilds
- fertilizer
- United States
- Library Collection RecordIn this article, Tana Kappel discusses the history and role of prescribed fire in the Altar Valley with a number of local stakeholders. Although fire historically played an important role in the…Publication Date 2011
- Altar Valley
- Arizona
- desert grasslands
- endangered species
- prescribed fire
- United States
- Library Collection RecordThe Utah Calvary was part of a National Guard contigent called up by President Wilson to deal with the spill over from the Mexican Revolution along the U.S.-Mexico border. The unit was involved in…Publication Date 2011
- history
- Altar Valley
- Arizona
- Mexican Revolution
- United States
- Library Collection Record
198 Rangeland Soils
Soil is the basic component of rangeland ecosystems and is associated with nearly all processes that occur within the ecosystem. It provides a medium to support plant growth. It is also the home for…Publication Date 2011- Soil Forming Factors
- soil orders
- United States
- Library Collection Record"NatureServe is a non-profit conservation organization whose mission is to provide the scientific basis for effective conservation action. NatureServe and its network of natural heritage…Publication Date 2011
- protected species
- management techniques
- biodiversity conservation
- United States
- Library Collection RecordThis article continues the story of the Kellner family, opening just as John F. Kellner leases his ranch, and sells the store and boarding house before moving the family to Casa Grande.Publication Date 2011
- ranching
- history
- Altar Valley
- Arivaca
- Arizona
- United States
Pagination
- First page
- Previous page
- …
- 2
- 3
- 4
- 5
- 6
- …
- Next page
- Last page