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Articles 121 - 133 of 133
Full-Text Articles in Physical Sciences and Mathematics
Conservation Assessment Of Greater Sage-Grouse And Sagebrush Habitats, Western Association Of Fish And Wildlife Agencies
Conservation Assessment Of Greater Sage-Grouse And Sagebrush Habitats, Western Association Of Fish And Wildlife Agencies
Wildlife Conservation and Management
An unbiased assessment from an ecological perspective of the current status and the potential factors that influenced the long-term conservation of greater sage-grouse populations and the sagebrush ecosystems on which they depend.
Ogallala Aquifer, Robert F. Diffendal Jr.
Ogallala Aquifer, Robert F. Diffendal Jr.
School of Natural Resources: Faculty Publications
The Ogallala Aquifer, or High Plains Aquifer, is a porous body of complex sediments and sedimentary rock formations that conducts groundwater and yields significant quantities of water to wells and springs. The principal sediments and rocks of the aquifer range in age from 33 million years old to sediments being deposited today, but the majority is less than 12 million-years old. Much of the aquifer is composed of the Ogallala Group or Formation. The dominant sediments in the Ogallala and the other hydrogeologic units in the aquifer are riverand wind-deposited sands. The aquifer underlies about 174,000 square miles of the …
Topographic Maps, Robert F. Diffendal Jr.
Topographic Maps, Robert F. Diffendal Jr.
School of Natural Resources: Faculty Publications
Topographic maps show the general configuration of the land surface, including its relief and the position of natural and man-made features. The configuration is shown commonly by contour lines, imaginary lines connecting all points of equal elevation on the earth's surface above or below a datum plane such as mean sea level. When the land slope is steeper the contour lines are closer together. Topographic maps at scales of one inch to a mile or greater (shown as 1:63,360 on the map) are used in many ways. They are particularly important in preparation of various types of geologic maps and …
An Inventory And Condition Survey Of The Pilbara Region, Western Australia, A M E Van Vreeswyk, K A. Leighton, A L. Payne, P Hennig
An Inventory And Condition Survey Of The Pilbara Region, Western Australia, A M E Van Vreeswyk, K A. Leighton, A L. Payne, P Hennig
Technical Bulletins
The inventory and condition survey of the Pilbara region, undertaken by the Department of Agriculture, Western Australia between 1995 and 1999, describes and maps the natural resources of the region’s pastoral leasehold land. This survey report provides a baseline record of the existence and condition of the natural area’s resources, to assist with the planning and implementation of land management practices. The report identified and described the condition of soils, landforms, vegetation, habitat, ecosystems, and declared plants and animals. It also assessed the impact of pastoralism and made land management recommendations. The area surveyed covers about 181 723 km². Seven …
Spectacular Recovery In The Ord River Catchment, A L. Payne, I W. Watson, P E. Novelly
Spectacular Recovery In The Ord River Catchment, A L. Payne, I W. Watson, P E. Novelly
Agriculture reports
Regeneration work on severely damaged country in what is now known as the Ord River Regeneration Reserve (ORRR) commenced in 1960. The ORRR is in the East Kimberley area of Western Australia with an associated small area in the Northern Territory. The work included strip contour cultivation and seeding (which proceeded at various levels of intensity during the 1960s, 1970s and 1980s), fencing and destocking of cattle by mustering over many years, and the eradication of donkeys.
Coastal Training Strategy For The Ohio Lake Erie Basin, Claudette Robey, Kevin O'Brien, Kirstin S. Toth
Coastal Training Strategy For The Ohio Lake Erie Basin, Claudette Robey, Kevin O'Brien, Kirstin S. Toth
All Maxine Goodman Levin School of Urban Affairs Publications
An analysis of the market for coastal resources management training in Ohio’s Lake Erie basin identified the challenges faced by coastal decision-makers and the disparities currently existing within this market. The primary challenges identified were in the quality of instruction and in the types of training provided. Disparities indicated were with coordination, equipment and logistical factors, external and internal marketing and promotional assistance, funding, personnel and staff assistance, and legislative and regulatory concerns. These disparities are indications of opportunities to establish partnerships and collaborative networks to facilitate coordinated training initiatives; to re-examine and develop course content and locations to better …
Modification Of Growing-Season Surface Temperature Records In The Northern Great Plains Due To Land-Use Transformation: Verification Of Modelling Results And Implication For Global Climate Change, Rezaul Mamood, Kenneth G. Hubbard, Christy Carlson
Modification Of Growing-Season Surface Temperature Records In The Northern Great Plains Due To Land-Use Transformation: Verification Of Modelling Results And Implication For Global Climate Change, Rezaul Mamood, Kenneth G. Hubbard, Christy Carlson
School of Natural Resources: Faculty Publications
Land-use and land-cover change can modify near-surface atmospheric condition. Mesoscale modelling studies have shown that modification in land use affects near-surface soil moisture storage and energy balance. Such a study in the Great Plains showed that changes in land use from natural grass to irrigated agriculture enhanced soil water storage in the root zone and increased latent energy flux. This increase in latent energy flux would correspond to a decrease in sensible heat flux and, therefore, modify near-surface temperature records. To verify this deduction, we have investigated the changes in the historical near-surface temperature records in Nebraska, USA. We have …
Coastal Training Program: Advisory Council Protocol, Claudette Robey, Kevin O'Brien
Coastal Training Program: Advisory Council Protocol, Claudette Robey, Kevin O'Brien
All Maxine Goodman Levin School of Urban Affairs Publications
The Old Woman Creek National Estuarine Research Reserve, Ohio Department of Natural Resources Coastal Management Program, and Ohio Sea Grant College Program (the Partners) are developing a comprehensive Coastal Training Program (CTP) to assist Ohio’s coastal decision-makers. The Partners are developing a coordinated and collaborative training strategy and information network that will serve as the framework for local, regional, state, and national coastal resources management training providers.
An Assessment Of The Coastal Training Program Needs Of The Anerr Region, Claudette Robey, Kevin O'Brien, Kevin O'Brien, Michael Mcgoun, Michael J. Tevesz
An Assessment Of The Coastal Training Program Needs Of The Anerr Region, Claudette Robey, Kevin O'Brien, Kevin O'Brien, Michael Mcgoun, Michael J. Tevesz
All Maxine Goodman Levin School of Urban Affairs Publications
A series of focus groups were conducted throughout northwest Florida to obtain input from coastal decision-makers into the design and development of a coastal resources management training program for the Apalachicola National Estuarine Research Reserve (ANERR). The focus groups were comprised of a cross section of coastal and environmental professionals who make decisions affecting coastal and watershed areas. The focus group decision-makers were primarily employed in the public sector (federal, state, local, governmental, nonprofit, or academic), with nearly half of the participants having between six and 15 years of professional experience.
An Analysis Of The Anerr Coastal Resources Management Training Market, Claudette Robey, Kevin O'Brien, Daniel Baracskay, Michael Mcgoun, Michael J. Tevesz
An Analysis Of The Anerr Coastal Resources Management Training Market, Claudette Robey, Kevin O'Brien, Daniel Baracskay, Michael Mcgoun, Michael J. Tevesz
All Maxine Goodman Levin School of Urban Affairs Publications
The market analysis for the Apalachicola National Estuarine Research Reserve revealed that there is a diverse body of coastal resources management training providers who offer training in the Florida Panhandle. These organizations are primarily either governmental agencies, or institutions of higher education. Most of them offer this training to various audiences as part of their missions, although a select few offer it as the sole purpose of their organizations.
Trends Analysis Of Coastal Training Programs In The National Estuarine Research Reserve System, Claudette Robey, Kevin O'Brien, Kirstin S. Toth, Daniel Baracksay, Michael Mcgoun, Wendy A. Kellogg, Michael J. Tevesz
Trends Analysis Of Coastal Training Programs In The National Estuarine Research Reserve System, Claudette Robey, Kevin O'Brien, Kirstin S. Toth, Daniel Baracksay, Michael Mcgoun, Wendy A. Kellogg, Michael J. Tevesz
All Maxine Goodman Levin School of Urban Affairs Publications
The National Estuarine Research Reserves (NERRS) Coastal Training Program (CTP) is a system-wide training program that aims to increase informed decision-making related to coastal resource management at local and regional levels. The CTP serves as the NERRS flagship program for knowledge and information transfer, and provides an effective vehicle to ensure that science-based knowledge and skills get into the hands and minds of those individuals making decisions about the coast on a regular basis in a professional or volunteer capacity. At the local level, Reserve staff conducts intensive planning to develop targeted training programs that complement other training efforts within …
An Analysis Of Simulated Long-Term Soil Moisture Data For Three Land Uses Under Contrasting Hydroclimatic Conditions In The Northern Great Plains, Rezaul Mahmood, Kenneth Hubbard
An Analysis Of Simulated Long-Term Soil Moisture Data For Three Land Uses Under Contrasting Hydroclimatic Conditions In The Northern Great Plains, Rezaul Mahmood, Kenneth Hubbard
School of Natural Resources: Faculty Publications
Soil moisture (SM) plays an important role in land surface and atmosphere interactions. It modifies energy balance near the surface and the rate of water cycling between land and atmosphere. The lack of observed SM data prohibits understanding of SM variations at climate scales under varying land uses. However, with simulation models it is possible to develop a long-term SM dataset and study these issues.
In this paper a water balance model is used to provide a quantitative assessment of SM climatologies for three land uses, namely, irrigated corn, rain-fed corn, and grass, grown under three hydroclimatic regimes in Nebraska. …
The Role Of Soil Water Availability In Potential Rainfed Rice Productivity In Bangladesh: Applications Of The Ceres-Rice Mode, Rezaul Mahmood, David R. Legates, Mark Meo
The Role Of Soil Water Availability In Potential Rainfed Rice Productivity In Bangladesh: Applications Of The Ceres-Rice Mode, Rezaul Mahmood, David R. Legates, Mark Meo
School of Natural Resources: Faculty Publications
Soil water stress and its impact on the monsoon season potential rainfed rice productivity in Bangladesh is investigated. A crop growth simulation model, CERES-Rice, is applied to 16 locations representative of the major rice growing regions of Bangladesh to determine the impact of soil water stress on the regional scale potential yield for four transplanting dates: 1 June, 1 July, 15 July, and 15 August. A quantified estimate of potential yield loss for four regions and for Bangladesh as a whole is calculated for water stress during flowering and maturing stages. For example, in Bangladesh, average potential yield for 1 …