Rangeland Ecology & Management
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Displaying 101 - 150 of 1240 results
- Library Collection RecordPat Johnson and Roger Gates of South Dakota State University explain how to correctly measure ground cover in a rangeland setting. Source: Autonomy ProductionsPublication Date 2012
- United States
- 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 RecordIn Mitch McClaran's words, photo monitoring is all about "time and space." On the Santa Rita, there are 50,000 acres of space and they have been monitoring for a 110 years of time. It…Publication Date 2012
- photo monitoring
- United States
- Library Collection RecordWarmer temperatures can alter the phenology and distribution of individual species. However, differences across species may blur community-level phenological responses to climate or cause biotic…Publication Date 2012
- altitudinal gradient
- beta diversity
- biodiversity
- biotic homogenization
- biotic invasion
- climate change
- community structure
- Hope River Valley
- interactive drivers
- Lepidoptera
- nitrogen
- phenology
- Alien invasive species
- North Canterbury
- New Zealand
- Library Collection RecordIn 2010, we launched the Global Index of Vegetation-Plot Databases (GIVD; http://www.givd.info), an internet-based re-source offering metadata of existing electronic vegetation databases. On 11 May…Publication Date 2012
- biodiversity
- data sharing
- ecoinformatics
- metadata
- Phytosociology
- relevé
- Library Collection RecordThe Renewable Resources Planning Act of 1974 requires the USDA Forest Service to conduct assessments of resource conditions. This report fulfills that need and focuses on quantifying extent,…Publication Date 2012
- remote sensing
- grazing
- livestock
- rangeland health
- Renewable Resources Planning Act
- United States
- 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 Impact Statement
- masked bobwhite quail
- United States
- 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 Impact Statement
- masked bobwhite quail
- United States
- 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 Impact Statement
- masked bobwhite quail
- United States
- Library Collection RecordThis narrated powerpoint presentation summarizes a study that centers on aspens as an indicator species of landscape-level ecological conditions.Publication Date 2012
- Aspen
- United States
- Library Collection RecordPat Johnson and Roger Gates of South Dakota State University explain how to correctly estimate utilization of forage in a rangeland setting. Source: Autonomy ProductionsPublication Date 2012
- utilization
- forage
- grazing
- United States
- Library Collection RecordKaren Hickman of Oklahoma State University gives an up close and personal look at a wildfire raging across her family's land. With her background in range ecology, it is the perfect opportunity…Publication Date 2012
- wildfires
- grasslands
- Oklahoma
- United States
- Library Collection RecordKaren Hickman of Oklahoma State University takes us on a tour of the TNC's Tall Grass Prairie reserve. She explains the relations between historical Bison grazing, periodic fire, and drought in…Publication Date 2012
- grasslands
- fire ecology
- fires
- invasive species
- Oklahoma
- United States
- Library Collection RecordThis Image Gallery is provided as a complimentary source of high quality digital photographs available from the Agricultural Research Service Information Staff. Source: USDA Agricultural Research…Publication Date 2012
- agriculture
- agricultural research
- photography
- Agricultural services
- United States
- Library Collection RecordLamar Smith, a retired professor of range management, explains why it is important for land owners, agencies, and conversation groups to monitor the condition of their rangeland resources. Source:…Publication Date 2012
- United States
- Library Collection RecordThis article provides a brief but entertaining overview of life in the Arivaca area in 1917. Many of the more exciting events were born of the tensions surrounding the impending prohibition of…Publication Date 2012
- Altar Valley
- Arivaca
- Arizona
- history
- United States
- Library Collection RecordPart of the Sonoran Desert Conservation Plan, Pima County's Multi-species Conservation Plan deals with the management of the various endangered species found in the area.Publication Date 2012
- Altar Valley
- Arizona
- conservation
- endangered species
- management
- United States
- Library Collection Record"The purpose of this book is to insure a deep appreciation of the eight-valley region in southern Arizona and to raise awareness of the various watershed organizations taking action to improve…Publication Date 2012
- Altar Valley
- Arizona
- land management
- land use
- ranching
- United States
- Library Collection RecordThis guide provides basic information about wetlands in an effort to support enhanced understanding and cooperation between land management professionals and landowners. It includes reference…Publication Date 2012
- New Mexico
- United States
- wetland ecology
- wetland management
- Library Collection RecordThis document includes the Biological Opinion issued by the United States Fish and Wildlife Service regarding the potential impacts of the proposed multi-unit burn plan on species of concern within…Publication Date 2012
- Altar Valley
- Arizona
- Chiricahua leopard frog
- endangered species
- Endangered Species Act
- masked bobwhite
- Pima Pineapple Cactus
- prescribed fire
- United States
- Library Collection RecordSome ecosystems in North America have been so radically transformed by human activity, that they have often been described as domesticated. Chris Call of Utah State University examines how cheatgrass…Publication Date 2012
- range management
- sagebrush
- juniper
- Bromus tectorum
- cheatgrass
- United States
- woody encroachment
- Library Collection RecordRangeland economics is the application of economic theory and principles to issues related to rangeland management. Historically, it has been used to decide whether a rangeland or ranch management…Publication Date 2012
- invasive species
- ranch management
- ranch values
- United States
- Library Collection RecordMonitoring is a valuable tool for the management of public and private rangelands. It plays a critical role in detecting problems in the early stages and is the only way to objectively evaluate the…Publication Date 2012
- classification
- assessment
- habitat classification
- rangeland vegetation
- United States
- Library Collection RecordLivestock grazing is one of the most widespread and important uses of rangelands. Renewable plant resources provide forage for ruminant livestock like cattle, sheep, and goats; and the ruminant…Publication Date 2012
- Animal Plant Relationships
- carrying capacity
- cattle stocking
- grazing management principles
- United States
- Library Collection RecordLivestock grazing is one of the most widespread and important uses of rangelands. Renewable plant resources provide forage for ruminant livestock like cattle, sheep, and goats; and the ruminant…Publication Date 2012
- Animal Plant Relationships
- carrying capacity
- cattle stocking
- grazing management principles
- United States
- Library Collection RecordThe term “riparian†is defined as vegetation, habitats, or ecosystems that are associated with bodies of water (streams or lakes)) or are dependent on the existence of perennial, intermittent, or…Publication Date 2012
- riparian
- sediments
- United States
- Library Collection RecordThis biological opinion was issued in response to a request for formal consultation with the U.S. Fish and Wildlife Service regarding the potential impacts resulting from the proposed Multi-Unit Burn…Publication Date 2012
- Altar Valley
- Arizona
- Chiricahua leopard frog
- Colinus virginianus ridgwayi
- Coryphantha scheeri var. robustispina
- endangered species
- Endangered Species Act
- masked bobwhite quail
- Pima Pineapple Cactus
- Rana chiricahuensis
- United States
- Library Collection RecordRangelands provide a home for many kinds of animals, including mammals, birds, reptiles, insects, and fish. An effective management plan will consider the resident and neighboring wildlife when…Publication Date 2012
- elk
- habitat management
- merriam's turkey
- rangeland management
- sage grouse
- United States
- wildlife
- Library Collection Record
129 Rangeland Plants
Rangeland plants are a key component of the ecosystems they inhabit. They are the blanket that covers and protects the soil and the filter that purifies the water and air. Plants are the primary…Publication Date 2012- grazing
- rangeland management
- rangeland plants
- United States
- Library Collection RecordRangelands are dynamic ecosystems that produce a wide variety of goods and services desired by society, including livestock forage, wildlife habitat, water, mineral resources, wood products,…Publication Date 2012
- classification
- ecology
- succession
- disturbance
- United States
- Library Collection RecordHuman-induced increases in nitrogen (N) deposition are common across many terrestrial ecosystems worldwide. Greater N availability not only reduces biological diversity, but also affects the…Publication Date 2012
- biodiversity
- C3 grasses
- C4 grasses
- ecosystem functioning
- ecosystem services
- fire
- nitrogen deposition
- root mass
- soil carbon sequestration
- Cedar Creek Ecosystem Science Reserve
- Minnesota
- USA
- Library Collection RecordThis poster presents the findings of a study that examined the relationship between perennial grass biomass and mesquite density on the Santa Rita Experimental Range in southern Arizona. The study…Publication Date 2012
- Arizona
- mesquite
- Percent Cover
- perennial grass
- Santa Rita Experimental Range
- United States
- Library Collection RecordHealthy ecosystems include many species (high richness) with similar abundances (high evenness). Thus, both aspects of biodiversity are worthy of conservation. Simultaneously conserving richness and…Publication Date 2012
- abundance
- agriculture
- biodiversity
- conservation
- ecosystem management
- evenness
- fire
- metadata
- organic farming
- species richness
- Library Collection RecordThe City of Tucson owns 21,000 acres within Avra Valley which sits west of the City limits and supports several federally recognized species. In order to comply with the Endangered Species Act, the…Publication Date 2012
- Arizona
- Cactus Ferruginous Pygmy Owl
- Desert Tortoise
- endangered species
- lesser long-nosed bat
- pale Townsend's big-eared bat
- Tucson shovel-nose snake
- United States
- western burrowing owl
- western yellow-billed cuckoo
- Library Collection RecordBioclimatic envelope models use associations between aspects of climate and species' occurrences to estimate the conditions that are suitable to maintain viable populations. Once bioclimatic…Publication Date 2012
- biodiversity
- biogeography
- climate change
- climate envelopes
- conservation planning
- ecological niches
- Invasions
- niche conservation
- restoration ecology
- species distributions
- translocation experiments
- uncertainty in prediction
- modelling
- decision support systems
- Library Collection RecordWoody encroachment is a widespread and acute phenomenon affecting grasslands and savannas worldwide. We performed a meta-analysis of 29 studies from 13 different grassland/savanna communities in…Publication Date 2012
- biodiversity
- Bush encroachment
- ecosystem structure
- global change
- primary productivity
- productivity–richness relationship
- shrub encroachment
- species richness
- tree encroachment
- tree–grass coexistence
- woody release
- North America
- Library Collection RecordThe City of Tucson owns 21,000 acres within Avra Valley which sits west of the City limits and supports several federally recognized species. In order to comply with the Endangered Species Act, the…Publication Date 2012
- Arizona
- Cactus Ferruginous Pygmy Owl
- Desert Tortoise
- endangered species
- lesser long-nosed bat
- pale Townsend's big-eared bat
- Tucson shovel-nose snake
- United States
- western burrowing owl
- western yellow-billed cuckoo
- Library Collection RecordAbstract The rangeland science profession in the United States has its roots in the widespread overgrazing and concurrent severe droughts of the late 19th century. These drivers contributed to…Publication Date 2012
- applied science
- Arizona
- ecosystem management
- range science history
- United States
- Library Collection RecordThe City of Tucson owns 21,000 acres within Avra Valley which sits west of the City limits and supports several federally recognized species. In order to comply with the Endangered Species Act, the…Publication Date 2012
- Arizona
- Cactus Ferruginous Pygmy Owl
- Desert Tortoise
- endangered species
- lesser long-nosed bat
- pale Townsend's big-eared bat
- Tucson shovel-nose snake
- United States
- western burrowing owl
- western yellow-billed cuckoo
- Library Collection RecordAround the world, grasslands systems are converting into woody shrubland systems. In southern New Mexico, a combination of federal, state, and scientific agencies and institutions have teamed up to…Publication Date 2012
- ecological restoration
- grassland restoration
- New Mexico
- shrub encroachment
- United States
- Library Collection RecordThe effects of exotic species invasions on biodiversity vary with spatial scale, and documentation of local-scale changes in biodiversity following invasion is generally lacking. Coupling long-term…Publication Date 2012
- grasslands
- community assembly
- competition
- exotic species
- invasion
- livestock grazing
- propagule limitation
- recruitment limitation
- Alien invasive species
- biodiversity
- community ecology
- vegetation dynamics
- monitoring
- California
- USA
- 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 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 Record1.?Although a major part of plant biomass is underground, we know little about the contribution of different species to root biomass in multispecies communities. We summarize studies on root…Publication Date 2012
- biodiversity
- ecosystem functioning
- intransitive competition
- niche differentiation
- plant–soil (below-ground) interactions
- root distributions
- root ecology
- soil nutrient availability
- transgressive overyielding
- 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 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 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 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 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 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