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Articles 211 - 240 of 372

Full-Text Articles in Earth Sciences

Lower Yilgarn Catchment Appraisal 2003, D G. Cummins Aug 2004

Lower Yilgarn Catchment Appraisal 2003, D G. Cummins

Resource management technical reports

This report summarises current information on risks and impacts to agricultural production and natural resources within the Lower Yilgarn Catchment. It also identifies suitable options to manage such risks. The report has been divided into three sections : the natural resource base, the catchment risks and management options and impacts. Rapid Catchment Appraisal aims to document salinity risk and management options by addressing all threats to the natural resource base.


Corrigin Area Land Resources Survey, W H. Verboom, P D. Galloway, National Landcare Program (Australia), Natural Heritage Trust (Australia) Jan 2004

Corrigin Area Land Resources Survey, W H. Verboom, P D. Galloway, National Landcare Program (Australia), Natural Heritage Trust (Australia)

Land resources series

This land resource survey of the Corrigin area covers some 1.8 million hectares of the central wheatbelt over the shires of Beverley, Brookton, Bruce Rock, Corrigin, Cuballing, Cunderdin, Dumbleyung, Kellerberrin, Kondinin, Kulin, Lake Grace, Merredin, Narembeen, Narrogin, Pingelly, Quairading, Tammin, Wandering and Wickepin. The survey is part of a regional scale soil-landscape mapping program designed to deliver seamless soil information for the agricultural area of south western Australia. The information provided will assist planners, researchers and land managers make decisions affecting sustainable land use and is designed for use at regional and catchment scales. This report and accompanying CD-ROM summarizes …


An Inventory And Condition Survey Of The Pilbara Region, Western Australia, A M E Van Vreeswyk, K A. Leighton, A L. Payne, P Hennig Jan 2004

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 …


Bremer-Gairdner Catchment Appraisal Report 2003, Tim D. Overheu Jan 2004

Bremer-Gairdner Catchment Appraisal Report 2003, Tim D. Overheu

Resource management technical reports

Assessment of the condition and future risks to agricultural and natural resources within the Bremer-Gairdner region in Western Australia using the Rapid Catchment Appraisal. Details include climate, geology, soil-landscape information, hydrology, waterways, wetlands and estuaries, natural vegetation, land use and infrastructure, agricultural production, demographics; soil degredation risks, hydrology risks, farming system impacts, vegetation condition and risks, infrastructure assets; and management options.


Frankland-Gordon Area : Catchment Appraisal 2003, Tim D. Overheu, Natural Heritage Trust (Australia) Jan 2004

Frankland-Gordon Area : Catchment Appraisal 2003, Tim D. Overheu, Natural Heritage Trust (Australia)

Resource management technical reports

Rapid catchment appraisal to assess the condition of, and future risks to, agricultural and natural resources within the Frankland Gordon area in Western Australia.


Agricultural Sub-Regions Of The Avon River Basin, Paul D. Galloway Jan 2004

Agricultural Sub-Regions Of The Avon River Basin, Paul D. Galloway

Resource management technical reports

This report identifies, describes and locates nine sub-regions within the land cleared for agricultural uses in the Avon River Basin in Western Australia. The sub-regions are: Darling Range; Dale/Upper Avon; Avon Valley; Yealering Lakes; Mortlock; Northern Sandplain; south-east Lakes; Carrabin; Southern Cross. The sub-regions are described in terms of their distinguishing biophysical characteristics of: soils and related original vegetative cover; general topography; surface and sub-surface hyrdological stus; underlying geology; and rainfall and evapotranspiration range. Current dominant land use, economic drivers and land use pressures are identified for each sub-region.


Reference Soils Of South-Western Australia, W M. Mcarthur, Australian Society Of Soil Science W.A. Branch., Department Of Agriculture And Food Jan 2004

Reference Soils Of South-Western Australia, W M. Mcarthur, Australian Society Of Soil Science W.A. Branch., Department Of Agriculture And Food

Books & book chapters

First printed 1991, Reprinted 2004


Spectacular Recovery In The Ord River Catchment, A L. Payne, I W. Watson, P E. Novelly Jan 2004

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.


Moore River : Catchment Appraisal 2003, A Alderman, M Clarke, Natural Heritage Trust (Australia), Moore River Catchment Support Team (Wa) Oct 2003

Moore River : Catchment Appraisal 2003, A Alderman, M Clarke, Natural Heritage Trust (Australia), Moore River Catchment Support Team (Wa)

Resource management technical reports

Using the Rapid Catchment Appraisal process, this report summarises current information for the Moore River catchment, Western Australia. The headwaters of the Moore River commence in Perenjori, Carnamah and Dalwallinu shires and drain southwards through Moora.


Blackwood Catchment : Beaufort Zone (Zone 4) : Catchment Appraisal 2002, Henry Brockman, Blackwood Rapid Catchment Appraisal Team (Wa ), Natural Heritage Trust (Australia) Sep 2003

Blackwood Catchment : Beaufort Zone (Zone 4) : Catchment Appraisal 2002, Henry Brockman, Blackwood Rapid Catchment Appraisal Team (Wa ), Natural Heritage Trust (Australia)

Resource management technical reports

Using the Rapid Catchment Appraisal process, this report summarises current information for the Beaufort zone, located in the mid to southern part of the Blackwood basin, including parts of the shires of Kojonup, West Arthur, Woodanilling, Katanning, Broomehill, Wagin and Boyup Brook, Western Australia. Assesses the condition of, and future risks to agricultural and natural resources, provides information for reducing those risks and identifies the most suitable options to manage the risk.


East Mortlock : Catchment Appraisal 2002, Don Cummins Jul 2003

East Mortlock : Catchment Appraisal 2002, Don Cummins

Resource management technical reports

This report describes the soils, hydrology, natural vegetation and farming systems of the East Mortlock catchment and provides information on the threats to agriculture, infrastructure and natural resources caused by land degradation. East Mortlock covers over 800,000 hectares in the central wheatbelt. Rapid Catchment Appraisal aims to document salinity risk and management options by addressing all threats to the natural resource base, rather than isolating salinity as a separate issue.


West Mortlock Catchment Appraisal 2002, D G. Cummins May 2003

West Mortlock Catchment Appraisal 2002, D G. Cummins

Resource management technical reports

This report describes the soils, hydrology, natural vegetation and farming systems of the West Mortlock catchment and provides information on the threats to agriculture, infrastructure and natural resources caused by land degradation. West Mortlock covers over 700,000 hectares in the central wheatbelt. Rapid Catchment Appraisal aims to document salinity risk and management options by addressing all threats to the natural resource base, rather than isolating salinity as a separate issue.


Field Testing Of Abrasion Resistant Carbides, Kevin C. Orme May 2003

Field Testing Of Abrasion Resistant Carbides, Kevin C. Orme

Undergraduate Honors Capstone Projects

Chromium, tungsten, titanium, and vanadium carbides were investigated to determine relative cost of operation for each in an agricultural environment. For use on a ripper plow, these carbides were field tested in two different soil types; one soil having a matrix of gravel and cobblestones, and the other consisting of hard dirt and large underground rocks. Each alloy was applied to a high carbon plow point using an arc welding process. Along with the welded points, cast chromium carbide was tested. The results are given in price per acre and not solely longevity of the point. It was concluded that …


Beaumont-Condingup Area : Catchment Appraisal 2002, A Alderman, Natural Heritage Trust (Australia) Feb 2003

Beaumont-Condingup Area : Catchment Appraisal 2002, A Alderman, Natural Heritage Trust (Australia)

Resource management technical reports

Using the Rapid Catchment Appraisal process, this report summarises current information for the Beaumont - Condingup area, east of Esperance. The object of the Rapid Catchment Appraisal is to assess the condition of, and future risks to agricultural and natural resources, and provide information for reducing those risks within geographic catchments and attempts to identify the most suitable options to manage these risks.


Soil Survey Of Grand Staircase- Escalante National Monument Area, Parts Of Kane And Garfield Counties, Utah, United States Department Of Agriculture, Natural Resources Conservation Service Jan 2003

Soil Survey Of Grand Staircase- Escalante National Monument Area, Parts Of Kane And Garfield Counties, Utah, United States Department Of Agriculture, Natural Resources Conservation Service

All U.S. Government Documents (Utah Regional Depository)

This soil survey contains information that affects land use planning in this survey area. It contains predictions of soil behavior for selected land uses. The survey also highlights soil limitations, improvements needed to overcome the limitations and the impact of selected land uses on the environment. This soil survey is designed for many different users. Farmers, ranchers, foresters and agronomists can use it to evaluate the potential of the soil and the management needed for maximum food and fiber production. Planners, community officials, engineers, developers, builders and home buyers can use the survey to plan land use, select sites for …


Lower Gascoyne Land Resources Survey, Peter J. Tille, Henry J. Smolinski, M R. Wells, J A. Bessell-Browne, C D M Keating, Veronica P M Oma, A Mcr Holm Jan 2003

Lower Gascoyne Land Resources Survey, Peter J. Tille, Henry J. Smolinski, M R. Wells, J A. Bessell-Browne, C D M Keating, Veronica P M Oma, A Mcr Holm

Land resources series

No abstract provided.


Nyabing-Kukerin Area Land Resources Survey, H M. Percy, Dennis Van Gool, Geoff Allan Moore, Noel R. Schoknecht, National Landcare Program (Australia), Natural Heritage Trust (Australia) Jan 2003

Nyabing-Kukerin Area Land Resources Survey, H M. Percy, Dennis Van Gool, Geoff Allan Moore, Noel R. Schoknecht, National Landcare Program (Australia), Natural Heritage Trust (Australia)

Land resources series

This report presents the results from soil and landform mapping at a scale of 1:500,000 in the Kukerin, Lake Grace and Nyabing areas of Western Australia. This land resource information has been collected to help improve the decisions made by planners, researchers and land managers. The information can be used at the regional scale, catchment scale and farm level. By improving knowledge of our land resources, more sustainable land uses can be developed within the region. The soil-landscape map of the area covers approximately 515,000 hectares and is included on the accompanying interactive CD-ROM. The map extends from Lake Grace …


Groundwater Study Of The Nyabing Townsite, Louise Hopgood Jan 2003

Groundwater Study Of The Nyabing Townsite, Louise Hopgood

Resource management technical reports

A groundwater study was carried out in the townsite of Nyabing, Western Australia. The study presents a model of the hydrogeology below the town and defines management options to help limit damage to infrastructure from surface water and groundwater rise. A drilling program and expansion of the network of monitoring bores were also part of the study.


Generalized Geologic Map For Land-Use Planning: Jessamine County, Kentucky, Daniel I. Carey, Martin C. Noger, Paul Howell Jan 2003

Generalized Geologic Map For Land-Use Planning: Jessamine County, Kentucky, Daniel I. Carey, Martin C. Noger, Paul Howell

Map and Chart--KGS

This map is not intended to be used for selecting individual sites. Its purpose is to inform land-use planners, government officials, and the public in a general way about geologic bedrock conditions that affect the selection of sites for various purposes. The properties of thick soils may supercede those of the underlying bedrock and should be considered on a site to site basis. At any site, it is important to understand both the soils, and the underlying rock.


Soils Of Mississippi County, Arkansas, J. M. Mckimmey, B. Dixon, H. D. Scott, C. M. Scarlat Nov 2002

Soils Of Mississippi County, Arkansas, J. M. Mckimmey, B. Dixon, H. D. Scott, C. M. Scarlat

AAES Research Reports and Research Bulletins

Along with air and water, soil contributes essential processes to the natural order of global cycles. With the exception of edibles from the sea, virtually everything we, and most other land-based animals, eat is derived from soil. Soil is a storage medium of essential minerals and nutrients for fulfilling our agricultural and nutritional needs. Humans work the soil to provide the basics of food, clothing, and shelter. We also use the soil as a medium to store and discard our waste. Virtually everything we do is in some way connected to soil


Phillips Brook Catchment Appraisal, Paul D. Galloway Oct 2002

Phillips Brook Catchment Appraisal, Paul D. Galloway

Resource management technical reports

This report describes the soils, hydrology and natural vegetation of the Phillips Brook catchment near Toodyay, Western Australia and provides information on the threats to agriculture, infrastructure and natural resources from salinity, waterlogging, erosion and other land degradation processes.


Cranbrook-Toolbrunup : Catchment Appraisal Report 2001, Tim D. Overheu, Western South Coast Catchment Appraisal Team (Wa) Jul 2002

Cranbrook-Toolbrunup : Catchment Appraisal Report 2001, Tim D. Overheu, Western South Coast Catchment Appraisal Team (Wa)

Resource management technical reports

This report covers the eastern junction of both the Pallinup North Stirling and Kent Frankland sub-regions, comprising of six amalgamated sub-catchments of Pingelup Creek, Solomons Creek, Racecourse Lake, Lake Toolbrunup, Twolganup Brook and Hamilla Hill (west). This report primarily focuses on the agricultural and natural resources at risk within the study area and attempts to identify options to manage the potential risks.


Soil Groups Of Western Australia: A Simple Guide To The Main Soils Of Western Australia (3rd Edn), Noel Schoknecht Jun 2002

Soil Groups Of Western Australia: A Simple Guide To The Main Soils Of Western Australia (3rd Edn), Noel Schoknecht

Resource management technical reports

No abstract provided.


Developing An Environmental Management System (Ems) For Viticulture, Catherine Nind Jun 2002

Developing An Environmental Management System (Ems) For Viticulture, Catherine Nind

Agriculture reports

This guidebook outlines one approach that may be used to develop an Environmental Management System (EMS) for a vineyard. The system described in this guidebook facilitates a continual improvement in environmental management and can be used to demonstrate a commitment to responsible land management. The system is generally consistent with the requirements of ISO 14001: the internationally accepted standard for an EMS.


Coalbed Methane Development In Wyoming’S Powder River Basin, Diana Hulme Apr 2002

Coalbed Methane Development In Wyoming’S Powder River Basin, Diana Hulme

Coalbed Methane Development in the Intermountain West (April 4-5)

21 pages (includes color illustrations and maps).

Contains endnotes.


Blackwood Catchment : Katanning Zone (Zone 6) Appendices : Catchment Appraisal 2001, Henry Brockman, Blackwood Rapid Catchment Appraisal Team (Wa) Feb 2002

Blackwood Catchment : Katanning Zone (Zone 6) Appendices : Catchment Appraisal 2001, Henry Brockman, Blackwood Rapid Catchment Appraisal Team (Wa)

Resource management technical reports

Contents: Appendix 1 Climate : risk of frost -- Appendix 2. Hydrology -- Appendix 3. Soils : soil landscape units in the Katanning zone ; soil information sheets for upper Blackwood -- Appendix 4. Evaluation of Landcare techniques : a catchment approach -- Appendix 5. Earthworks and engineering options for surface and groundwater control -- Appendix 6. Native plants of the Katanning Zone useful for revegetation -- Appendix 7. List of contacts.


South Broomehill-Gnowangerup Area : Catchment Appraisal Report 2001, Tim D. Overheu, Western South Coast Catchment Appraisal Team (Wa) Jan 2002

South Broomehill-Gnowangerup Area : Catchment Appraisal Report 2001, Tim D. Overheu, Western South Coast Catchment Appraisal Team (Wa)

Resource management technical reports

This report covers the South Broomehill-Gnowangerup area in Western Australia, incorporating eight sub-catchments: Wadjekanup, Peringillup, Pindellup, Jam Creek, Woodyarrup, Upper Pallinup, Gnowangerup and Jackitup, and the townsites of Broomehill, Tambellup and Gnowangerup. This report focuses on the agricultural and natural resources at risk and attempts to identify options to manage the potential risks within the area.


Identification Of Subsonic P-Waves, Paul Michaels Jan 2002

Identification Of Subsonic P-Waves, Paul Michaels

CGISS Publications and Presentations

A field trial was conducted to test the existence of subsonic (Vp <331 m>/s) P-waves previously reported in the literature. A 1-m-long reverse profile was acquired with three-component (3C) geophones on a sandy silt (unified classification ML). The silt had a porosity of 54%, a degree of water saturation of 63%, and a plasticity index of 10. No subsonic P-waves were observed, although high frequency (up to 1200 Hz) Rayleigh waves were identified by hodogram analysis. These surface waves were observed with horizontal velocities that varied from 40 to 200 m/s. Hodogram observations and theory suggest that …


Land-Use Effects On Soil-Water Retention Characteristic, Naomi Colton, Kristofor Brye Jan 2002

Land-Use Effects On Soil-Water Retention Characteristic, Naomi Colton, Kristofor Brye

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

Tillage can negatively affect soil physical properties such as bulk density, organic matter content, and soil hydraulic properties, which in turn affect how plants grow. The objective of this study was to evaluate water retention characteristics of a Jay silt loam soil under cultivated agriculture and native tallgrass prairie in northwest Arkansas. Air-dry soil samples collected from 0-10 cm depth were re-wet with varying amounts of distilled water to create a range of water contents. After overnight equilibration, the water potential was measured on the re-wet soil samples using a dewpoint potentiameter. The relationship between water potential (Ψ) and water …


North Jerramungup Fitzgerald Area : Catchment Appraisal Report 2001 (Reviewed 2007), Tim D. Overheu, Western South Coast Catchment Appraisal Team (Wa) Jan 2002

North Jerramungup Fitzgerald Area : Catchment Appraisal Report 2001 (Reviewed 2007), Tim D. Overheu, Western South Coast Catchment Appraisal Team (Wa)

Resource management technical reports

This report covers the North Jerramungup Fitzgerald zone, an amalgamation of the smaller sub-catchments of Jacup, Fitzgerald, Mallee Road and part of Hamersley River, North West Jerramungup, North Jerramungup and North Needilup in Western Australia. This report primarily focuses on the agricultural and natural resources at risk within the study area and attempts to identify options to manage the potential risks.